Notebooks Gallery (#59)

* Initial commit

* Address PR comments

* Move notebook related stuff to NotebookManager and dynamically load it

* Add New gallery callout and other UI tweaks

* Update test snapshot

src/Common/Constants.ts

@@ -112,6 +112,7 @@ export class Features {
   public static readonly enableTtl = "enablettl";
   public static readonly enableNotebooks = "enablenotebooks";
   public static readonly enableGallery = "enablegallery";
+  public static readonly enableGalleryPublish = "enablegallerypublish";
   public static readonly enableSpark = "enablespark";
   public static readonly livyEndpoint = "livyendpoint";
   public static readonly notebookServerUrl = "notebookserverurl";

src/Contracts/DataModels.ts

@@ -704,49 +704,6 @@ export interface MemoryUsageInfo {
   totalKB: number;
 }
 
-export interface NotebookMetadata {
-  date: string;
-  description: string;
-  tags: string[];
-  author: string;
-  views: number;
-  likes: number;
-  downloads: number;
-  imageUrl: string;
-}
-
-export interface UserMetadata {
-  likedNotebooks: string[];
-}
-
-export interface GitHubInfoJunoResponse {
-  encoding: string;
-  encodedContent: string;
-  content: string;
-  target: string;
-  submoduleGitUrl: string;
-  name: string;
-  path: string;
-  sha: string;
-  size: number;
-  type: {
-    stringValue: string;
-    value: number;
-  };
-  downloadUrl: string;
-  url: string;
-  gitUrl: string;
-  htmlUrl: string;
-  metadata?: NotebookMetadata;
-  officialSamplesIndex?: number;
-  isLikedNotebook?: boolean;
-}
-
-export interface LikedNotebooksJunoResponse {
-  likedNotebooksContent: GitHubInfoJunoResponse[];
-  userMetadata: UserMetadata;
-}
-
 export interface resourceTokenConnectionStringProperties {
   accountEndpoint: string;
   collectionId: string;

src/Contracts/ViewModels.ts

@@ -12,10 +12,8 @@ import { CommandButtonComponentProps } from "../Explorer/Controls/CommandButton/
 import { ConsoleData } from "../Explorer/Menus/NotificationConsole/NotificationConsoleComponent";
 import { ExecuteSprocParam } from "../Explorer/Panes/ExecuteSprocParamsPane";
 import { GitHubClient } from "../GitHub/GitHubClient";
-import { GitHubOAuthService } from "../GitHub/GitHubOAuthService";
 import { IColumnSetting } from "../Explorer/Panes/Tables/TableColumnOptionsPane";
-import { IContentProvider } from "@nteract/core";
+import { JunoClient, IGalleryItem } from "../Juno/JunoClient";
-import { JunoClient } from "../Juno/JunoClient";
 import { Library } from "./DataModels";
 import { MostRecentActivity } from "../Explorer/MostRecentActivity/MostRecentActivity";
 import { NotebookContentItem } from "../Explorer/Notebook/NotebookContentItem";
@@ -27,6 +25,7 @@ import { StringInputPane } from "../Explorer/Panes/StringInputPane";
 import { TextFieldProps } from "../Explorer/Controls/DialogReactComponent/DialogComponent";
 import { UploadDetails } from "../workers/upload/definitions";
 import { UploadItemsPaneAdapter } from "../Explorer/Panes/UploadItemsPaneAdapter";
+import { ReactAdapter } from "../Bindings/ReactBindingHandler";
 
 export interface ExplorerOptions {
   documentClientUtility: DocumentClientUtilityBase;
@@ -85,7 +84,9 @@ export interface Explorer {
   armEndpoint: ko.Observable<string>;
   isFeatureEnabled: (feature: string) => boolean;
   isGalleryEnabled: ko.Computed<boolean>;
+  isGalleryPublishEnabled: ko.Computed<boolean>;
   isGitHubPaneEnabled: ko.Observable<boolean>;
+  isPublishNotebookPaneEnabled: ko.Observable<boolean>;
   isRightPanelV2Enabled: ko.Computed<boolean>;
   canExceedMaximumValue: ko.Computed<boolean>;
   hasAutoPilotV2FeatureFlag: ko.Computed<boolean>;
@@ -153,6 +154,7 @@ export interface Explorer {
   libraryManagePane: ContextualPane;
   clusterLibraryPane: ContextualPane;
   gitHubReposPane: ContextualPane;
+  publishNotebookPaneAdapter: ReactAdapter;
 
   // Facade
   logConsoleData(data: ConsoleData): void;
@@ -224,22 +226,17 @@ export interface Explorer {
   arcadiaWorkspaces: ko.ObservableArray<ArcadiaWorkspaceItem>;
   isNotebookTabActive: ko.Computed<boolean>;
   memoryUsageInfo: ko.Observable<DataModels.MemoryUsageInfo>;
+  notebookManager?: any; // This is dynamically loaded
   openNotebook(notebookContentItem: NotebookContentItem): Promise<boolean>; // True if it was opened, false otherwise
   resetNotebookWorkspace(): void;
   importAndOpen: (path: string) => Promise<boolean>;
-  importAndOpenFromGallery: (path: string, newName: string, content: any) => Promise<boolean>;
+  importAndOpenFromGallery: (name: string, content: string) => Promise<boolean>;
+  publishNotebook: (name: string, content: string) => void;
   openNotebookTerminal: (kind: TerminalKind) => void;
-  openGallery: () => void;
+  openGallery: (notebookUrl?: string, galleryItem?: IGalleryItem, isFavorite?: boolean) => void;
-  openNotebookViewer: (
+  openNotebookViewer: (notebookUrl: string) => void;
-    notebookUrl: string,
-    notebookMetadata: DataModels.NotebookMetadata,
-    onNotebookMetadataChange: (newNotebookMetadata: DataModels.NotebookMetadata) => Promise<void>,
-    isLikedNotebook: boolean
-  ) => void;
   notebookWorkspaceManager: NotebookWorkspaceManager;
   sparkClusterManager: SparkClusterManager;
-  notebookContentProvider: IContentProvider;
-  gitHubOAuthService: GitHubOAuthService;
   mostRecentActivity: MostRecentActivity;
   initNotebooks: (databaseAccount: DataModels.DatabaseAccount) => Promise<void>;
   deleteCluster(): void;
@@ -594,6 +591,16 @@ export interface GitHubReposPaneOptions extends PaneOptions {
   junoClient: JunoClient;
 }
 
+export interface PublishNotebookPaneOptions extends PaneOptions {
+  junoClient: JunoClient;
+}
+
+export interface PublishNotebookPaneOpenOptions {
+  name: string;
+  author: string;
+  content: string;
+}
+
 export interface AddCollectionPaneOptions extends PaneOptions {
   isPreferredApiTable: ko.Computed<boolean>;
   databaseId?: string;
@@ -873,16 +880,16 @@ export interface TerminalTabOptions extends TabOptions {
 export interface GalleryTabOptions extends TabOptions {
   account: DatabaseAccount;
   container: Explorer;
+  junoClient: JunoClient;
+  notebookUrl?: string;
+  galleryItem?: IGalleryItem;
+  isFavorite?: boolean;
 }
 
 export interface NotebookViewerTabOptions extends TabOptions {
   account: DatabaseAccount;
   container: Explorer;
   notebookUrl: string;
-  notebookName: string;
-  notebookMetadata: DataModels.NotebookMetadata;
-  onNotebookMetadataChange: (newNotebookMetadata: DataModels.NotebookMetadata) => Promise<void>;
-  isLikedNotebook: boolean;
 }
 
 export interface DocumentsTabOptions extends TabOptions {

src/Explorer/Controls/CommandButton/CommandButtonComponent.tsx

@@ -15,15 +15,20 @@ import { ArcadiaMenuPickerProps } from "../Arcadia/ArcadiaMenuPicker";
  * Options for this component
  */
 export interface CommandButtonComponentProps {
+  /**
+   * font icon name for the button
+   */
+  iconName?: string;
+
   /**
    * image source for the button icon
    */
-  iconSrc: string;
+  iconSrc?: string;
 
   /**
    * image alt for accessibility
    */
-  iconAlt: string;
+  iconAlt?: string;
 
   /**
    * Click handler for command button click

src/Explorer/Controls/FeaturePanel/FeaturePanelComponent.tsx

@@ -49,6 +49,7 @@ export const FeaturePanelComponent: React.FunctionComponent = () => {
     { key: "feature.hosteddataexplorerenabled", label: "Hosted Data Explorer (deprecated?)", value: "true" },
     { key: "feature.enablettl", label: "Enable TTL", value: "true" },
     { key: "feature.enablegallery", label: "Enable Notebook Gallery", value: "true" },
+    { key: "feature.enablegallerypublish", label: "Enable Notebook Gallery Publishing", value: "true" },
     { key: "feature.canexceedmaximumvalue", label: "Can exceed max value", value: "true" },
     {
       key: "feature.enablefixedcollectionwithsharedthroughput",

src/Explorer/Controls/FeaturePanel/__snapshots__/FeaturePanelComponent.test.tsx.snap

@@ -163,8 +163,8 @@ exports[`Feature panel renders all flags 1`] = `
         />
         <StyledCheckboxBase
           checked={false}
-          key="feature.canexceedmaximumvalue"
+          key="feature.enablegallerypublish"
-          label="Can exceed max value"
+          label="Enable Notebook Gallery Publishing"
           onChange={[Function]}
         />
       </Stack>
@@ -172,6 +172,12 @@ exports[`Feature panel renders all flags 1`] = `
         className="checkboxRow"
         horizontalAlign="space-between"
       >
+        <StyledCheckboxBase
+          checked={false}
+          key="feature.canexceedmaximumvalue"
+          label="Can exceed max value"
+          onChange={[Function]}
+        />
         <StyledCheckboxBase
           checked={false}
           key="feature.enablefixedcollectionwithsharedthroughput"

src/Explorer/Controls/NotebookGallery/Cards/GalleryCardComponent.test.tsx

@@ -1,15 +1,32 @@
-import React from "react";
 import { shallow } from "enzyme";
+import React from "react";
 import { GalleryCardComponent, GalleryCardComponentProps } from "./GalleryCardComponent";
 
 describe("GalleryCardComponent", () => {
   it("renders", () => {
     const props: GalleryCardComponentProps = {
-      name: "mycard",
+      data: {
-      url: "url",
+        id: "id",
-      notebookMetadata: undefined,
+        name: "name",
-      // eslint-disable-next-line @typescript-eslint/no-empty-function
+        description: "description",
-      onClick: () => {}
+        author: "author",
+        thumbnailUrl: "thumbnailUrl",
+        created: "created",
+        gitSha: "gitSha",
+        tags: ["tag"],
+        isSample: false,
+        downloads: 0,
+        favorites: 0,
+        views: 0
+      },
+      isFavorite: false,
+      showDelete: true,
+      onClick: undefined,
+      onTagClick: undefined,
+      onFavoriteClick: undefined,
+      onUnfavoriteClick: undefined,
+      onDownloadClick: undefined,
+      onDeleteClick: undefined
     };
 
     const wrapper = shallow(<GalleryCardComponent {...props} />);

src/Explorer/Controls/NotebookGallery/Cards/GalleryCardComponent.tsx

@@ -1,65 +1,199 @@
-import * as React from "react";
+import { Card, ICardTokens } from "@uifabric/react-cards";
-import * as DataModels from "../../../../Contracts/DataModels";
-import { Card, ICardTokens, ICardSectionTokens } from "@uifabric/react-cards";
-import { Icon, Image, Persona, Text } from "office-ui-fabric-react";
 import {
-  siteTextStyles,
+  FontWeights,
-  descriptionTextStyles,
+  Icon,
-  helpfulTextStyles,
+  IconButton,
-  subtleHelpfulTextStyles,
+  Image,
-  subtleIconStyles
+  ImageFit,
-} from "./CardStyleConstants";
+  Persona,
+  Text,
+  Link,
+  BaseButton,
+  Button,
+  LinkBase,
+  Separator,
+  TooltipHost
+} from "office-ui-fabric-react";
+import * as React from "react";
+import { IGalleryItem } from "../../../../Juno/JunoClient";
+import { FileSystemUtil } from "../../../Notebook/FileSystemUtil";
 
 export interface GalleryCardComponentProps {
-  name: string;
+  data: IGalleryItem;
-  url: string;
+  isFavorite: boolean;
-  notebookMetadata: DataModels.NotebookMetadata;
+  showDelete: boolean;
   onClick: () => void;
+  onTagClick: (tag: string) => void;
+  onFavoriteClick: () => void;
+  onUnfavoriteClick: () => void;
+  onDownloadClick: () => void;
+  onDeleteClick: () => void;
 }
 
 export class GalleryCardComponent extends React.Component<GalleryCardComponentProps> {
-  private cardTokens: ICardTokens = { childrenMargin: 12 };
+  public static readonly CARD_HEIGHT = 384;
-  private attendantsCardSectionTokens: ICardSectionTokens = { childrenGap: 6 };
+  public static readonly CARD_WIDTH = 256;
+
+  private static readonly cardImageHeight = 144;
+  private static readonly cardDescriptionMaxChars = 88;
+  private static readonly cardTokens: ICardTokens = {
+    width: GalleryCardComponent.CARD_WIDTH,
+    height: GalleryCardComponent.CARD_HEIGHT,
+    childrenGap: 8,
+    childrenMargin: 10
+  };
 
   public render(): JSX.Element {
-    return this.props.notebookMetadata !== undefined ? (
+    const options: Intl.DateTimeFormatOptions = {
-      <Card aria-label="Notebook Card" onClick={this.props.onClick} tokens={this.cardTokens}>
+      year: "numeric",
+      month: "short",
+      day: "numeric"
+    };
+
+    const dateString = new Date(this.props.data.created).toLocaleString("default", options);
+
+    return (
+      <Card aria-label="Notebook Card" tokens={GalleryCardComponent.cardTokens} onClick={this.props.onClick}>
         <Card.Item>
-          <Persona text={this.props.notebookMetadata.author} secondaryText={this.props.notebookMetadata.date} />
+          <Persona text={this.props.data.author} secondaryText={dateString} />
         </Card.Item>
+
         <Card.Item fill>
-          <Image src={this.props.notebookMetadata.imageUrl} width="100%" alt="Notebook display image" />
+          <Image
+            src={
+              this.props.data.thumbnailUrl ||
+              `https://placehold.it/${GalleryCardComponent.CARD_WIDTH}x${GalleryCardComponent.cardImageHeight}`
+            }
+            width={GalleryCardComponent.CARD_WIDTH}
+            height={GalleryCardComponent.cardImageHeight}
+            imageFit={ImageFit.cover}
+            alt="Notebook cover image"
+          />
         </Card.Item>
+
         <Card.Section>
-          <Text variant="small" styles={siteTextStyles}>
+          <Text variant="small" nowrap>
-            {this.props.notebookMetadata.tags.join(", ")}
+            {this.props.data.tags?.map((tag, index, array) => (
+              <span key={tag}>
+                <Link onClick={(event): void => this.onTagClick(event, tag)}>{tag}</Link>
+                {index === array.length - 1 ? <></> : ", "}
+              </span>
+            ))}
           </Text>
-          <Text styles={descriptionTextStyles}>{this.props.name}</Text>
+          <Text styles={{ root: { fontWeight: FontWeights.semibold } }} nowrap>
-          <Text variant="small" styles={helpfulTextStyles}>
+            {FileSystemUtil.stripExtension(this.props.data.name, "ipynb")}
-            {this.props.notebookMetadata.description}
+          </Text>
+          <Text variant="small" styles={{ root: { height: 36 } }}>
+            {this.props.data.description.substr(0, GalleryCardComponent.cardDescriptionMaxChars)}
           </Text>
         </Card.Section>
-        <Card.Section horizontal tokens={this.attendantsCardSectionTokens}>
+
-          <Icon iconName="RedEye" styles={subtleIconStyles} />
+        <Card.Section horizontal styles={{ root: { alignItems: "flex-end" } }}>
-          <Text variant="small" styles={subtleHelpfulTextStyles}>
+          <Text variant="tiny" styles={{ root: { color: "#ccc" } }}>
-            {this.props.notebookMetadata.views}
+            <Icon iconName="RedEye" styles={{ root: { verticalAlign: "middle" } }} /> {this.props.data.views}
           </Text>
-          <Icon iconName="Download" styles={subtleIconStyles} />
+          <Text variant="tiny" styles={{ root: { color: "#ccc" } }}>
-          <Text variant="small" styles={subtleHelpfulTextStyles}>
+            <Icon iconName="Download" styles={{ root: { verticalAlign: "middle" } }} /> {this.props.data.downloads}
-            {this.props.notebookMetadata.downloads}
           </Text>
-          <Icon iconName="Heart" styles={subtleIconStyles} />
+          <Text variant="tiny" styles={{ root: { color: "#ccc" } }}>
-          <Text variant="small" styles={subtleHelpfulTextStyles}>
+            <Icon iconName="Heart" styles={{ root: { verticalAlign: "middle" } }} /> {this.props.data.favorites}
-            {this.props.notebookMetadata.likes}
           </Text>
         </Card.Section>
-      </Card>
+
-    ) : (
+        <Card.Item>
-      <Card aria-label="Notebook Card" onClick={this.props.onClick} tokens={this.cardTokens}>
+          <Separator styles={{ root: { padding: 0, height: 1 } }} />
-        <Card.Section>
+        </Card.Item>
-          <Text styles={descriptionTextStyles}>{this.props.name}</Text>
+
+        <Card.Section horizontal styles={{ root: { marginTop: 0 } }}>
+          {this.generateIconButtonWithTooltip(
+            this.props.isFavorite ? "HeartFill" : "Heart",
+            this.props.isFavorite ? "Unlike" : "Like",
+            this.props.isFavorite ? this.onUnfavoriteClick : this.onFavoriteClick
+          )}
+
+          {this.generateIconButtonWithTooltip("Download", "Download", this.onDownloadClick)}
+
+          {this.props.showDelete && (
+            <div style={{ width: "100%", textAlign: "right" }}>
+              {this.generateIconButtonWithTooltip("Delete", "Remove", this.props.onDeleteClick)}
+            </div>
+          )}
         </Card.Section>
       </Card>
     );
   }
+
+  /*
+   * Fluent UI doesn't support tooltips on IconButtons out of the box. In the meantime the recommendation is
+   * to do the following (from https://developer.microsoft.com/en-us/fluentui#/controls/web/button)
+   */
+  private generateIconButtonWithTooltip = (
+    iconName: string,
+    title: string,
+    onClick: (
+      event: React.MouseEvent<
+        HTMLAnchorElement | HTMLButtonElement | HTMLDivElement | BaseButton | Button | HTMLSpanElement,
+        MouseEvent
+      >
+    ) => void
+  ): JSX.Element => {
+    return (
+      <TooltipHost
+        content={title}
+        id={`TooltipHost-IconButton-${iconName}`}
+        calloutProps={{ gapSpace: 0 }}
+        styles={{ root: { display: "inline-block" } }}
+      >
+        <IconButton iconProps={{ iconName }} title={title} ariaLabel={title} onClick={onClick} />
+      </TooltipHost>
+    );
+  };
+
+  private onTagClick = (
+    event: React.MouseEvent<HTMLElement | HTMLAnchorElement | HTMLButtonElement | LinkBase, MouseEvent>,
+    tag: string
+  ): void => {
+    event.stopPropagation();
+    this.props.onTagClick(tag);
+  };
+
+  private onFavoriteClick = (
+    event: React.MouseEvent<
+      HTMLAnchorElement | HTMLButtonElement | HTMLDivElement | BaseButton | Button | HTMLSpanElement,
+      MouseEvent
+    >
+  ): void => {
+    event.stopPropagation();
+    this.props.onFavoriteClick();
+  };
+
+  private onUnfavoriteClick = (
+    event: React.MouseEvent<
+      HTMLAnchorElement | HTMLButtonElement | HTMLDivElement | BaseButton | Button | HTMLSpanElement,
+      MouseEvent
+    >
+  ): void => {
+    event.stopPropagation();
+    this.props.onUnfavoriteClick();
+  };
+
+  private onDownloadClick = (
+    event: React.MouseEvent<
+      HTMLAnchorElement | HTMLButtonElement | HTMLDivElement | BaseButton | Button | HTMLSpanElement,
+      MouseEvent
+    >
+  ): void => {
+    event.stopPropagation();
+    this.props.onDownloadClick();
+  };
+
+  private onDeleteClick = (
+    event: React.MouseEvent<
+      HTMLAnchorElement | HTMLButtonElement | HTMLDivElement | BaseButton | Button | HTMLSpanElement,
+      MouseEvent
+    >
+  ): void => {
+    event.stopPropagation();
+    this.props.onDeleteClick();
+  };
 }

src/Explorer/Controls/NotebookGallery/Cards/__snapshots__/GalleryCardComponent.test.tsx.snap

@@ -3,26 +3,263 @@
 exports[`GalleryCardComponent renders 1`] = `
 <Card
   aria-label="Notebook Card"
-  onClick={[Function]}
   tokens={
     Object {
-      "childrenMargin": 12,
+      "childrenGap": 8,
+      "childrenMargin": 10,
+      "height": 384,
+      "width": 256,
     }
   }
 >
+  <CardItem>
+    <StyledPersonaBase
+      secondaryText="Invalid Date"
+      text="author"
+    />
+  </CardItem>
+  <CardItem
+    fill={true}
+  >
+    <StyledImageBase
+      alt="Notebook cover image"
+      height={144}
+      imageFit={2}
+      src="thumbnailUrl"
+      width={256}
+    />
+  </CardItem>
   <CardSection>
     <Text
+      nowrap={true}
+      variant="small"
+    >
+      <span
+        key="tag"
+      >
+        <StyledLinkBase
+          onClick={[Function]}
+        >
+          tag
+        </StyledLinkBase>
+      </span>
+    </Text>
+    <Text
+      nowrap={true}
       styles={
         Object {
           "root": Object {
-            "color": "#333333",
             "fontWeight": 600,
           },
         }
       }
     >
-      mycard
+      name
     </Text>
+    <Text
+      styles={
+        Object {
+          "root": Object {
+            "height": 36,
+          },
+        }
+      }
+      variant="small"
+    >
+      description
+    </Text>
+  </CardSection>
+  <CardSection
+    horizontal={true}
+    styles={
+      Object {
+        "root": Object {
+          "alignItems": "flex-end",
+        },
+      }
+    }
+  >
+    <Text
+      styles={
+        Object {
+          "root": Object {
+            "color": "#ccc",
+          },
+        }
+      }
+      variant="tiny"
+    >
+      <StyledIconBase
+        iconName="RedEye"
+        styles={
+          Object {
+            "root": Object {
+              "verticalAlign": "middle",
+            },
+          }
+        }
+      />
+       
+      0
+    </Text>
+    <Text
+      styles={
+        Object {
+          "root": Object {
+            "color": "#ccc",
+          },
+        }
+      }
+      variant="tiny"
+    >
+      <StyledIconBase
+        iconName="Download"
+        styles={
+          Object {
+            "root": Object {
+              "verticalAlign": "middle",
+            },
+          }
+        }
+      />
+       
+      0
+    </Text>
+    <Text
+      styles={
+        Object {
+          "root": Object {
+            "color": "#ccc",
+          },
+        }
+      }
+      variant="tiny"
+    >
+      <StyledIconBase
+        iconName="Heart"
+        styles={
+          Object {
+            "root": Object {
+              "verticalAlign": "middle",
+            },
+          }
+        }
+      />
+       
+      0
+    </Text>
+  </CardSection>
+  <CardItem>
+    <Styled
+      styles={
+        Object {
+          "root": Object {
+            "height": 1,
+            "padding": 0,
+          },
+        }
+      }
+    />
+  </CardItem>
+  <CardSection
+    horizontal={true}
+    styles={
+      Object {
+        "root": Object {
+          "marginTop": 0,
+        },
+      }
+    }
+  >
+    <StyledTooltipHostBase
+      calloutProps={
+        Object {
+          "gapSpace": 0,
+        }
+      }
+      content="Like"
+      id="TooltipHost-IconButton-Heart"
+      styles={
+        Object {
+          "root": Object {
+            "display": "inline-block",
+          },
+        }
+      }
+    >
+      <CustomizedIconButton
+        ariaLabel="Like"
+        iconProps={
+          Object {
+            "iconName": "Heart",
+          }
+        }
+        onClick={[Function]}
+        title="Like"
+      />
+    </StyledTooltipHostBase>
+    <StyledTooltipHostBase
+      calloutProps={
+        Object {
+          "gapSpace": 0,
+        }
+      }
+      content="Download"
+      id="TooltipHost-IconButton-Download"
+      styles={
+        Object {
+          "root": Object {
+            "display": "inline-block",
+          },
+        }
+      }
+    >
+      <CustomizedIconButton
+        ariaLabel="Download"
+        iconProps={
+          Object {
+            "iconName": "Download",
+          }
+        }
+        onClick={[Function]}
+        title="Download"
+      />
+    </StyledTooltipHostBase>
+    <div
+      style={
+        Object {
+          "textAlign": "right",
+          "width": "100%",
+        }
+      }
+    >
+      <StyledTooltipHostBase
+        calloutProps={
+          Object {
+            "gapSpace": 0,
+          }
+        }
+        content="Remove"
+        id="TooltipHost-IconButton-Delete"
+        styles={
+          Object {
+            "root": Object {
+              "display": "inline-block",
+            },
+          }
+        }
+      >
+        <CustomizedIconButton
+          ariaLabel="Remove"
+          iconProps={
+            Object {
+              "iconName": "Delete",
+            }
+          }
+          title="Remove"
+        />
+      </StyledTooltipHostBase>
+    </div>
   </CardSection>
 </Card>
 `;

src/Explorer/Controls/NotebookGallery/GalleryViewerComponent.test.tsx

@@ -1,62 +1,17 @@
-import React from "react";
 import { shallow } from "enzyme";
-import {
+import React from "react";
-  GalleryViewerContainerComponent,
+import { GalleryViewerComponent, GalleryViewerComponentProps, GalleryTab, SortBy } from "./GalleryViewerComponent";
-  GalleryViewerContainerComponentProps,
-  FullWidthTabs,
-  FullWidthTabsProps,
-  GalleryCardsComponent,
-  GalleryCardsComponentProps,
-  GalleryViewerComponent,
-  GalleryViewerComponentProps
-} from "./GalleryViewerComponent";
 
-describe("GalleryCardsComponent", () => {
+describe("GalleryViewerComponent", () => {
-  it("renders", () => {
-    // TODO Mock this
-    const props: GalleryCardsComponentProps = {
-      data: [],
-      userMetadata: undefined,
-      onNotebookMetadataChange: () => Promise.resolve(),
-      onClick: () => Promise.resolve()
-    };
-
-    const wrapper = shallow(<GalleryCardsComponent {...props} />);
-    expect(wrapper).toMatchSnapshot();
-  });
-});
-
-describe("FullWidthTabs", () => {
-  it("renders", () => {
-    const props: FullWidthTabsProps = {
-      officialSamplesContent: [],
-      likedNotebooksContent: [],
-      userMetadata: undefined,
-      onClick: () => Promise.resolve()
-    };
-
-    const wrapper = shallow(<FullWidthTabs {...props} />);
-    expect(wrapper).toMatchSnapshot();
-  });
-});
-
-describe("GalleryViewerContainerComponent", () => {
-  it("renders", () => {
-    const props: GalleryViewerContainerComponentProps = {
-      container: undefined
-    };
-
-    const wrapper = shallow(<GalleryViewerContainerComponent {...props} />);
-    expect(wrapper).toMatchSnapshot();
-  });
-});
-
-describe("GalleryCardComponent", () => {
   it("renders", () => {
     const props: GalleryViewerComponentProps = {
-      container: undefined,
+      junoClient: undefined,
-      officialSamplesData: [],
+      selectedTab: GalleryTab.OfficialSamples,
-      likedNotebookData: undefined
+      sortBy: SortBy.MostViewed,
+      searchText: undefined,
+      onSelectedTabChange: undefined,
+      onSortByChange: undefined,
+      onSearchTextChange: undefined
     };
 
     const wrapper = shallow(<GalleryViewerComponent {...props} />);

src/Explorer/Controls/NotebookGallery/GalleryViewerComponent.tsx

@@ -1,361 +1,513 @@
-/**
+import {
- * Gallery Viewer
+  Dropdown,
- */
+  FocusZone,
-
+  IDropdownOption,
+  IPageSpecification,
+  IPivotItemProps,
+  IPivotProps,
+  IRectangle,
+  Label,
+  List,
+  Pivot,
+  PivotItem,
+  SearchBox,
+  Stack
+} from "office-ui-fabric-react";
 import * as React from "react";
-import * as DataModels from "../../../Contracts/DataModels";
+import * as Logger from "../../../Common/Logger";
 import * as ViewModels from "../../../Contracts/ViewModels";
-import { GalleryCardComponent } from "./Cards/GalleryCardComponent";
+import { IGalleryItem, JunoClient } from "../../../Juno/JunoClient";
-import { Stack, IStackTokens } from "office-ui-fabric-react";
+import * as GalleryUtils from "../../../Utils/GalleryUtils";
-import { JunoUtils } from "../../../Utils/JunoUtils";
-import { CosmosClient } from "../../../Common/CosmosClient";
-import { config } from "../../../Config";
-import path from "path";
-import { SessionStorageUtility, StorageKey } from "../../../Shared/StorageUtility";
 import { NotificationConsoleUtils } from "../../../Utils/NotificationConsoleUtils";
 import { ConsoleDataType } from "../../Menus/NotificationConsole/NotificationConsoleComponent";
-import * as TabComponent from "../Tabs/TabComponent";
+import { DialogComponent, DialogProps } from "../DialogReactComponent/DialogComponent";
-
+import { GalleryCardComponent, GalleryCardComponentProps } from "./Cards/GalleryCardComponent";
 import "./GalleryViewerComponent.less";
+import { HttpStatusCodes } from "../../../Common/Constants";
 
-export interface GalleryCardsComponentProps {
+export interface GalleryViewerComponentProps {
-  data: DataModels.GitHubInfoJunoResponse[];
+  container?: ViewModels.Explorer;
-  userMetadata: DataModels.UserMetadata;
+  junoClient: JunoClient;
-  onNotebookMetadataChange: (
+  selectedTab: GalleryTab;
-    officialSamplesIndex: number,
+  sortBy: SortBy;
-    notebookMetadata: DataModels.NotebookMetadata
+  searchText: string;
-  ) => Promise<void>;
+  onSelectedTabChange: (newTab: GalleryTab) => void;
-  onClick: (
+  onSortByChange: (sortBy: SortBy) => void;
-    url: string,
+  onSearchTextChange: (searchText: string) => void;
-    notebookMetadata: DataModels.NotebookMetadata,
-    onNotebookMetadataChange: (newNotebookMetadata: DataModels.NotebookMetadata) => Promise<void>,
-    isLikedNotebook: boolean
-  ) => Promise<void>;
 }
 
-export class GalleryCardsComponent extends React.Component<GalleryCardsComponentProps> {
+export enum GalleryTab {
-  private sectionStackTokens: IStackTokens = { childrenGap: 30 };
+  OfficialSamples,
+  PublicGallery,
+  Favorites,
+  Published
+}
+
+export enum SortBy {
+  MostViewed,
+  MostDownloaded,
+  MostFavorited,
+  MostRecent
+}
+
+interface GalleryViewerComponentState {
+  sampleNotebooks: IGalleryItem[];
+  publicNotebooks: IGalleryItem[];
+  favoriteNotebooks: IGalleryItem[];
+  publishedNotebooks: IGalleryItem[];
+  selectedTab: GalleryTab;
+  sortBy: SortBy;
+  searchText: string;
+  dialogProps: DialogProps;
+}
+
+interface GalleryTabInfo {
+  tab: GalleryTab;
+  content: JSX.Element;
+}
+
+export class GalleryViewerComponent extends React.Component<GalleryViewerComponentProps, GalleryViewerComponentState>
+  implements GalleryUtils.DialogEnabledComponent {
+  public static readonly OfficialSamplesTitle = "Official samples";
+  public static readonly PublicGalleryTitle = "Public gallery";
+  public static readonly FavoritesTitle = "Liked";
+  public static readonly PublishedTitle = "Your published work";
+
+  private static readonly mostViewedText = "Most viewed";
+  private static readonly mostDownloadedText = "Most downloaded";
+  private static readonly mostFavoritedText = "Most favorited";
+  private static readonly mostRecentText = "Most recent";
+
+  private static readonly sortingOptions: IDropdownOption[] = [
+    {
+      key: SortBy.MostViewed,
+      text: GalleryViewerComponent.mostViewedText
+    },
+    {
+      key: SortBy.MostDownloaded,
+      text: GalleryViewerComponent.mostDownloadedText
+    },
+    {
+      key: SortBy.MostFavorited,
+      text: GalleryViewerComponent.mostFavoritedText
+    },
+    {
+      key: SortBy.MostRecent,
+      text: GalleryViewerComponent.mostRecentText
+    }
+  ];
+
+  private sampleNotebooks: IGalleryItem[];
+  private publicNotebooks: IGalleryItem[];
+  private favoriteNotebooks: IGalleryItem[];
+  private publishedNotebooks: IGalleryItem[];
+  private columnCount: number;
+  private rowCount: number;
+
+  constructor(props: GalleryViewerComponentProps) {
+    super(props);
+
+    this.state = {
+      sampleNotebooks: undefined,
+      publicNotebooks: undefined,
+      favoriteNotebooks: undefined,
+      publishedNotebooks: undefined,
+      selectedTab: props.selectedTab,
+      sortBy: props.sortBy,
+      searchText: props.searchText,
+      dialogProps: undefined
+    };
+
+    this.loadTabContent(this.state.selectedTab, this.state.searchText, this.state.sortBy, false);
+    if (this.props.container) {
+      this.loadFavoriteNotebooks(this.state.searchText, this.state.sortBy, false); // Need this to show correct favorite button state
+    }
+  }
+
+  setDialogProps = (dialogProps: DialogProps): void => {
+    this.setState({ dialogProps });
+  };
 
   public render(): JSX.Element {
-    return (
+    const tabs: GalleryTabInfo[] = [this.createTab(GalleryTab.OfficialSamples, this.state.sampleNotebooks)];
-      <Stack horizontal wrap tokens={this.sectionStackTokens}>
+
-        {this.props.data.map((githubInfo: DataModels.GitHubInfoJunoResponse) => {
+    if (this.props.container) {
-          const name = githubInfo.name;
+      if (this.props.container.isGalleryPublishEnabled()) {
-          const url = githubInfo.downloadUrl;
+        tabs.push(this.createTab(GalleryTab.PublicGallery, this.state.publicNotebooks));
-          const notebookMetadata = githubInfo.metadata || {
+      }
-            date: "2008-12-01",
+
-            description: "Great notebook",
+      tabs.push(this.createTab(GalleryTab.Favorites, this.state.favoriteNotebooks));
-            tags: ["favorite", "sample"],
+
-            author: "Laurent Nguyen",
+      if (this.props.container.isGalleryPublishEnabled()) {
-            views: 432,
+        tabs.push(this.createTab(GalleryTab.Published, this.state.publishedNotebooks));
-            likes: 123,
+      }
-            downloads: 56,
+    }
-            imageUrl:
+
-              "https://media.magazine.ferrari.com/images/2019/02/27/170304506-c1bcf028-b513-45f6-9f27-0cadac619c3d.jpg"
+    const pivotProps: IPivotProps = {
+      onLinkClick: this.onPivotChange,
+      selectedKey: GalleryTab[this.state.selectedTab]
+    };
+
+    const pivotItems = tabs.map(tab => {
+      const pivotItemProps: IPivotItemProps = {
+        itemKey: GalleryTab[tab.tab],
+        style: { marginTop: 20 },
+        headerText: GalleryUtils.getTabTitle(tab.tab)
       };
-          const officialSamplesIndex = githubInfo.officialSamplesIndex;
-          const isLikedNotebook = githubInfo.isLikedNotebook;
-          const updateTabsStatePerNotebook = this.props.onNotebookMetadataChange
-            ? (notebookMetadata: DataModels.NotebookMetadata): Promise<void> =>
-                this.props.onNotebookMetadataChange(officialSamplesIndex, notebookMetadata)
-            : undefined;
 
       return (
-            name !== ".gitignore" &&
+        <PivotItem key={pivotItemProps.itemKey} {...pivotItemProps}>
-            url && (
+          {tab.content}
-              <GalleryCardComponent
+        </PivotItem>
-                key={url}
-                name={name}
-                url={url}
-                notebookMetadata={notebookMetadata}
-                onClick={(): Promise<void> =>
-                  this.props.onClick(url, notebookMetadata, updateTabsStatePerNotebook, isLikedNotebook)
-                }
-              />
-            )
       );
-        })}
+    });
+
+    return (
+      <div className="galleryContainer">
+        <Pivot {...pivotProps}>{pivotItems}</Pivot>
+
+        {this.state.dialogProps && <DialogComponent {...this.state.dialogProps} />}
+      </div>
+    );
+  }
+
+  private createTab(tab: GalleryTab, data: IGalleryItem[]): GalleryTabInfo {
+    return {
+      tab,
+      content: this.createTabContent(data)
+    };
+  }
+
+  private createTabContent(data: IGalleryItem[]): JSX.Element {
+    return (
+      <Stack tokens={{ childrenGap: 20 }}>
+        <Stack horizontal tokens={{ childrenGap: 20 }}>
+          <Stack.Item grow>
+            <SearchBox value={this.state.searchText} placeholder="Search" onChange={this.onSearchBoxChange} />
+          </Stack.Item>
+          <Stack.Item>
+            <Label>Sort by</Label>
+          </Stack.Item>
+          <Stack.Item styles={{ root: { minWidth: 200 } }}>
+            <Dropdown
+              options={GalleryViewerComponent.sortingOptions}
+              selectedKey={this.state.sortBy}
+              onChange={this.onDropdownChange}
+            />
+          </Stack.Item>
+        </Stack>
+
+        {data && this.createCardsTabContent(data)}
       </Stack>
     );
   }
-}
 
-export interface FullWidthTabsProps {
+  private createCardsTabContent(data: IGalleryItem[]): JSX.Element {
-  officialSamplesContent: DataModels.GitHubInfoJunoResponse[];
-  likedNotebooksContent: DataModels.GitHubInfoJunoResponse[];
-  userMetadata: DataModels.UserMetadata;
-  onClick: (
-    url: string,
-    notebookMetadata: DataModels.NotebookMetadata,
-    onNotebookMetadataChange: (newNotebookMetadata: DataModels.NotebookMetadata) => Promise<void>,
-    isLikedNotebook: boolean
-  ) => Promise<void>;
-}
-
-interface FullWidthTabsState {
-  activeTabIndex: number;
-  officialSamplesContent: DataModels.GitHubInfoJunoResponse[];
-  likedNotebooksContent: DataModels.GitHubInfoJunoResponse[];
-  userMetadata: DataModels.UserMetadata;
-}
-
-export class FullWidthTabs extends React.Component<FullWidthTabsProps, FullWidthTabsState> {
-  private authorizationToken = CosmosClient.authorizationToken();
-  private appTabs: TabComponent.Tab[];
-
-  constructor(props: FullWidthTabsProps) {
-    super(props);
-    this.state = {
-      activeTabIndex: 0,
-      officialSamplesContent: this.props.officialSamplesContent,
-      likedNotebooksContent: this.props.likedNotebooksContent,
-      userMetadata: this.props.userMetadata
-    };
-
-    this.appTabs = [
-      {
-        title: "Official Samples",
-        content: {
-          className: "",
-          render: (): JSX.Element => (
-            <GalleryCardsComponent
-              data={this.state.officialSamplesContent}
-              onClick={this.props.onClick}
-              userMetadata={this.state.userMetadata}
-              onNotebookMetadataChange={this.updateTabsState}
-            />
-          )
-        },
-        isVisible: (): boolean => true
-      },
-      {
-        title: "Liked Notebooks",
-        content: {
-          className: "",
-          render: (): JSX.Element => (
-            <GalleryCardsComponent
-              data={this.state.likedNotebooksContent}
-              onClick={this.props.onClick}
-              userMetadata={this.state.userMetadata}
-              onNotebookMetadataChange={this.updateTabsState}
-            />
-          )
-        },
-        isVisible: (): boolean => true
-      }
-    ];
-  }
-
-  public updateTabsState = async (
-    officialSamplesIndex: number,
-    notebookMetadata: DataModels.NotebookMetadata
-  ): Promise<void> => {
-    let currentLikedNotebooksContent = [...this.state.likedNotebooksContent];
-    let currentUserMetadata = { ...this.state.userMetadata };
-    let currentLikedNotebooks = [...currentUserMetadata.likedNotebooks];
-
-    const currentOfficialSamplesContent = [...this.state.officialSamplesContent];
-    const currentOfficialSamplesObject = { ...currentOfficialSamplesContent[officialSamplesIndex] };
-    const metadata = { ...currentOfficialSamplesObject.metadata };
-    const metadataLikesUpdates = metadata.likes - notebookMetadata.likes;
-
-    metadata.views = notebookMetadata.views;
-    metadata.downloads = notebookMetadata.downloads;
-    metadata.likes = notebookMetadata.likes;
-    currentOfficialSamplesObject.metadata = metadata;
-
-    // Notebook has been liked. Add To likedNotebooksContent, update isLikedNotebook flag
-    if (metadataLikesUpdates < 0) {
-      currentOfficialSamplesObject.isLikedNotebook = true;
-      currentLikedNotebooksContent = currentLikedNotebooksContent.concat(currentOfficialSamplesObject);
-      currentLikedNotebooks = currentLikedNotebooks.concat(currentOfficialSamplesObject.path);
-      currentUserMetadata = { likedNotebooks: currentLikedNotebooks };
-    } else if (metadataLikesUpdates > 0) {
-      // Notebook has been unliked. Remove from likedNotebooksContent after matching the path, update isLikedNotebook flag
-
-      currentOfficialSamplesObject.isLikedNotebook = false;
-      const likedNotebookIndex = currentLikedNotebooks.findIndex((path: string) => {
-        return path === currentOfficialSamplesObject.path;
-      });
-      currentLikedNotebooksContent.splice(likedNotebookIndex, 1);
-      currentLikedNotebooks.splice(likedNotebookIndex, 1);
-      currentUserMetadata = { likedNotebooks: currentLikedNotebooks };
-    }
-
-    currentOfficialSamplesContent[officialSamplesIndex] = currentOfficialSamplesObject;
-
-    this.setState({
-      activeTabIndex: 0,
-      userMetadata: currentUserMetadata,
-      likedNotebooksContent: currentLikedNotebooksContent,
-      officialSamplesContent: currentOfficialSamplesContent
-    });
-
-    JunoUtils.updateNotebookMetadata(this.authorizationToken, notebookMetadata).then(
-      async () => {
-        if (metadataLikesUpdates !== 0) {
-          JunoUtils.updateUserMetadata(this.authorizationToken, currentUserMetadata);
-          // TODO: update state here?
-        }
-      },
-      error => {
-        NotificationConsoleUtils.logConsoleMessage(
-          ConsoleDataType.Error,
-          `Error updating notebook metadata: ${JSON.stringify(error)}`
-        );
-        // TODO add telemetry
-      }
-    );
-  };
-
-  private onTabIndexChange = (activeTabIndex: number): void => this.setState({ activeTabIndex });
-
-  public render(): JSX.Element {
     return (
-      <TabComponent.TabComponent
+      <FocusZone>
-        tabs={this.appTabs}
+        <List
-        onTabIndexChange={this.onTabIndexChange.bind(this)}
+          items={data}
-        currentTabIndex={this.state.activeTabIndex}
+          getPageSpecification={this.getPageSpecification}
-        hideHeader={false}
+          renderedWindowsAhead={3}
+          onRenderCell={this.onRenderCell}
         />
+      </FocusZone>
     );
   }
-}
 
-export interface GalleryViewerContainerComponentProps {
+  private loadTabContent(tab: GalleryTab, searchText: string, sortBy: SortBy, offline: boolean): void {
-  container: ViewModels.Explorer;
+    switch (tab) {
-}
+      case GalleryTab.OfficialSamples:
+        this.loadSampleNotebooks(searchText, sortBy, offline);
+        break;
 
-interface GalleryViewerContainerComponentState {
+      case GalleryTab.PublicGallery:
-  officialSamplesData: DataModels.GitHubInfoJunoResponse[];
+        this.loadPublicNotebooks(searchText, sortBy, offline);
-  likedNotebooksData: DataModels.LikedNotebooksJunoResponse;
+        break;
-}
 
-export class GalleryViewerContainerComponent extends React.Component<
+      case GalleryTab.Favorites:
-  GalleryViewerContainerComponentProps,
+        this.loadFavoriteNotebooks(searchText, sortBy, offline);
-  GalleryViewerContainerComponentState
+        break;
-> {
+
-  constructor(props: GalleryViewerContainerComponentProps) {
+      case GalleryTab.Published:
-    super(props);
+        this.loadPublishedNotebooks(searchText, sortBy, offline);
-    this.state = {
+        break;
-      officialSamplesData: undefined,
+
-      likedNotebooksData: undefined
+      default:
-    };
+        throw new Error(`Unknown tab ${tab}`);
+    }
   }
 
-  componentDidMount(): void {
+  private async loadSampleNotebooks(searchText: string, sortBy: SortBy, offline: boolean): Promise<void> {
-    const authToken = CosmosClient.authorizationToken();
+    if (!offline) {
-    JunoUtils.getOfficialSampleNotebooks(authToken).then(
+      try {
-      (data1: DataModels.GitHubInfoJunoResponse[]) => {
+        const response = await this.props.junoClient.getSampleNotebooks();
-        const officialSamplesData = data1;
+        if (response.status !== HttpStatusCodes.OK && response.status !== HttpStatusCodes.NoContent) {
-
+          throw new Error(`Received HTTP ${response.status} when loading sample notebooks`);
-        JunoUtils.getLikedNotebooks(authToken).then(
+        }
-          (data2: DataModels.LikedNotebooksJunoResponse) => {
+
-            const likedNotebooksData = data2;
+        this.sampleNotebooks = response.data;
-
+      } catch (error) {
-            officialSamplesData.map((value: DataModels.GitHubInfoJunoResponse, index: number) => {
+        const message = `Failed to load sample notebooks: ${error}`;
-              value.officialSamplesIndex = index;
+        Logger.logError(message, "GalleryViewerComponent/loadSampleNotebooks");
-              value.isLikedNotebook = likedNotebooksData.userMetadata.likedNotebooks.includes(value.path);
+        NotificationConsoleUtils.logConsoleMessage(ConsoleDataType.Error, message);
-            });
+      }
-
-            likedNotebooksData.likedNotebooksContent.map((value: DataModels.GitHubInfoJunoResponse) => {
-              value.isLikedNotebook = true;
-              value.officialSamplesIndex = officialSamplesData.findIndex(
-                (officialSample: DataModels.GitHubInfoJunoResponse) => {
-                  return officialSample.path === value.path;
     }
-              );
-            });
 
     this.setState({
-              officialSamplesData: officialSamplesData,
+      sampleNotebooks: this.sampleNotebooks && [...this.sort(sortBy, this.search(searchText, this.sampleNotebooks))]
-              likedNotebooksData: likedNotebooksData
     });
-          },
-          error => {
-            NotificationConsoleUtils.logConsoleMessage(
-              ConsoleDataType.Error,
-              `Error fetching liked notebooks: ${JSON.stringify(error)}`
-            );
-            // TODO Add telemetry
-          }
-        );
-      },
-      error => {
-        NotificationConsoleUtils.logConsoleMessage(
-          ConsoleDataType.Error,
-          `Error fetching sample notebooks: ${JSON.stringify(error)}`
-        );
-        // TODO Add telemetry
-      }
-    );
   }
 
-  public render(): JSX.Element {
+  private async loadPublicNotebooks(searchText: string, sortBy: SortBy, offline: boolean): Promise<void> {
-    return this.state.officialSamplesData && this.state.likedNotebooksData ? (
+    if (!offline) {
-      <GalleryViewerComponent
+      try {
-        container={this.props.container}
+        const response = await this.props.junoClient.getPublicNotebooks();
-        officialSamplesData={this.state.officialSamplesData}
+        if (response.status !== HttpStatusCodes.OK && response.status !== HttpStatusCodes.NoContent) {
-        likedNotebookData={this.state.likedNotebooksData}
+          throw new Error(`Received HTTP ${response.status} when loading public notebooks`);
-      />
-    ) : (
-      <></>
-    );
         }
-}
 
-export interface GalleryViewerComponentProps {
+        this.publicNotebooks = response.data;
-  container: ViewModels.Explorer;
+      } catch (error) {
-  officialSamplesData: DataModels.GitHubInfoJunoResponse[];
+        const message = `Failed to load public notebooks: ${error}`;
-  likedNotebookData: DataModels.LikedNotebooksJunoResponse;
+        Logger.logError(message, "GalleryViewerComponent/loadPublicNotebooks");
-}
+        NotificationConsoleUtils.logConsoleMessage(ConsoleDataType.Error, message);
+      }
+    }
 
-export class GalleryViewerComponent extends React.Component<GalleryViewerComponentProps> {
+    this.setState({
-  public render(): JSX.Element {
+      publicNotebooks: this.publicNotebooks && [...this.sort(sortBy, this.search(searchText, this.publicNotebooks))]
-    return this.props.container ? (
+    });
-      <div className="galleryContainer">
+  }
-        <FullWidthTabs
+
-          officialSamplesContent={this.props.officialSamplesData}
+  private async loadFavoriteNotebooks(searchText: string, sortBy: SortBy, offline: boolean): Promise<void> {
-          likedNotebooksContent={this.props.likedNotebookData.likedNotebooksContent}
+    if (!offline) {
-          userMetadata={this.props.likedNotebookData.userMetadata}
+      try {
-          onClick={this.openNotebookViewer}
+        const response = await this.props.junoClient.getFavoriteNotebooks();
-        />
+        if (response.status !== HttpStatusCodes.OK && response.status !== HttpStatusCodes.NoContent) {
-      </div>
+          throw new Error(`Received HTTP ${response.status} when loading favorite notebooks`);
-    ) : (
+        }
-      <div className="galleryContainer">
+
-        <GalleryCardsComponent
+        this.favoriteNotebooks = response.data;
-          data={this.props.officialSamplesData}
+      } catch (error) {
-          onClick={this.openNotebookViewer}
+        const message = `Failed to load favorite notebooks: ${error}`;
-          userMetadata={undefined}
+        Logger.logError(message, "GalleryViewerComponent/loadFavoriteNotebooks");
-          onNotebookMetadataChange={undefined}
+        NotificationConsoleUtils.logConsoleMessage(ConsoleDataType.Error, message);
-        />
+      }
+    }
+
+    this.setState({
+      favoriteNotebooks: this.favoriteNotebooks && [
+        ...this.sort(sortBy, this.search(searchText, this.favoriteNotebooks))
+      ]
+    });
+
+    // Refresh favorite button state
+    if (this.state.selectedTab !== GalleryTab.Favorites) {
+      this.refreshSelectedTab();
+    }
+  }
+
+  private async loadPublishedNotebooks(searchText: string, sortBy: SortBy, offline: boolean): Promise<void> {
+    if (!offline) {
+      try {
+        const response = await this.props.junoClient.getPublishedNotebooks();
+        if (response.status !== HttpStatusCodes.OK && response.status !== HttpStatusCodes.NoContent) {
+          throw new Error(`Received HTTP ${response.status} when loading published notebooks`);
+        }
+
+        this.publishedNotebooks = response.data;
+      } catch (error) {
+        const message = `Failed to load published notebooks: ${error}`;
+        Logger.logError(message, "GalleryViewerComponent/loadPublishedNotebooks");
+        NotificationConsoleUtils.logConsoleMessage(ConsoleDataType.Error, message);
+      }
+    }
+
+    this.setState({
+      publishedNotebooks: this.publishedNotebooks && [
+        ...this.sort(sortBy, this.search(searchText, this.publishedNotebooks))
+      ]
+    });
+  }
+
+  private search(searchText: string, data: IGalleryItem[]): IGalleryItem[] {
+    if (searchText) {
+      return data?.filter(item => this.isGalleryItemPresent(searchText, item));
+    }
+
+    return data;
+  }
+
+  private isGalleryItemPresent(searchText: string, item: IGalleryItem): boolean {
+    const toSearch = searchText.trim().toUpperCase();
+    const searchData: string[] = [
+      item.author.toUpperCase(),
+      item.description.toUpperCase(),
+      item.name.toUpperCase(),
+      ...item.tags?.map(tag => tag.toUpperCase())
+    ];
+
+    for (const data of searchData) {
+      if (data?.indexOf(toSearch) !== -1) {
+        return true;
+      }
+    }
+    return false;
+  }
+
+  private sort(sortBy: SortBy, data: IGalleryItem[]): IGalleryItem[] {
+    return data?.sort((a, b) => {
+      switch (sortBy) {
+        case SortBy.MostViewed:
+          return b.views - a.views;
+        case SortBy.MostDownloaded:
+          return b.downloads - a.downloads;
+        case SortBy.MostFavorited:
+          return b.favorites - a.favorites;
+        case SortBy.MostRecent:
+          return Date.parse(b.created) - Date.parse(a.created);
+        default:
+          throw new Error(`Unknown sorting condition ${sortBy}`);
+      }
+    });
+  }
+
+  private refreshSelectedTab(item?: IGalleryItem): void {
+    if (item) {
+      this.updateGalleryItem(item);
+    }
+    this.loadTabContent(this.state.selectedTab, this.state.searchText, this.state.sortBy, true);
+  }
+
+  private updateGalleryItem(updatedItem: IGalleryItem): void {
+    this.replaceGalleryItem(updatedItem, this.sampleNotebooks);
+    this.replaceGalleryItem(updatedItem, this.publicNotebooks);
+    this.replaceGalleryItem(updatedItem, this.favoriteNotebooks);
+    this.replaceGalleryItem(updatedItem, this.publishedNotebooks);
+  }
+
+  private replaceGalleryItem(item: IGalleryItem, items?: IGalleryItem[]): void {
+    const index = items?.findIndex(value => value.id === item.id);
+    if (index !== -1) {
+      items?.splice(index, 1, item);
+    }
+  }
+
+  private getPageSpecification = (itemIndex?: number, visibleRect?: IRectangle): IPageSpecification => {
+    this.columnCount = Math.floor(visibleRect.width / GalleryCardComponent.CARD_WIDTH);
+    this.rowCount = Math.floor(visibleRect.height / GalleryCardComponent.CARD_HEIGHT);
+
+    return {
+      height: visibleRect.height,
+      itemCount: this.columnCount * this.rowCount
+    };
+  };
+
+  private onRenderCell = (data?: IGalleryItem): JSX.Element => {
+    const isFavorite = this.favoriteNotebooks?.find(item => item.id === data.id) !== undefined;
+    const props: GalleryCardComponentProps = {
+      data,
+      isFavorite,
+      showDelete: this.state.selectedTab === GalleryTab.Published,
+      onClick: () => this.openNotebook(data, isFavorite),
+      onTagClick: this.loadTaggedItems,
+      onFavoriteClick: () => this.favoriteItem(data),
+      onUnfavoriteClick: () => this.unfavoriteItem(data),
+      onDownloadClick: () => this.downloadItem(data),
+      onDeleteClick: () => this.deleteItem(data)
+    };
+
+    return (
+      <div style={{ float: "left", padding: 10 }}>
+        <GalleryCardComponent {...props} />
       </div>
     );
-  }
+  };
 
-  public getOfficialSamplesData(): DataModels.GitHubInfoJunoResponse[] {
+  private openNotebook = (data: IGalleryItem, isFavorite: boolean): void => {
-    return this.props.officialSamplesData;
+    if (this.props.container && this.props.junoClient) {
-  }
+      this.props.container.openGallery(this.props.junoClient.getNotebookContentUrl(data.id), data, isFavorite);
-
-  public getLikedNotebookData(): DataModels.LikedNotebooksJunoResponse {
-    return this.props.likedNotebookData;
-  }
-
-  public openNotebookViewer = async (
-    url: string,
-    notebookMetadata: DataModels.NotebookMetadata,
-    onNotebookMetadataChange: (newNotebookMetadata: DataModels.NotebookMetadata) => Promise<void>,
-    isLikedNotebook: boolean
-  ): Promise<void> => {
-    if (!this.props.container) {
-      SessionStorageUtility.setEntryString(
-        StorageKey.NotebookMetadata,
-        notebookMetadata ? JSON.stringify(notebookMetadata) : undefined
-      );
-      SessionStorageUtility.setEntryString(StorageKey.NotebookName, path.basename(url));
-      window.open(`${config.hostedExplorerURL}notebookViewer.html?notebookurl=${url}`, "_blank");
     } else {
-      this.props.container.openNotebookViewer(url, notebookMetadata, onNotebookMetadataChange, isLikedNotebook);
+      const params = new URLSearchParams({
+        [GalleryUtils.NotebookViewerParams.NotebookUrl]: this.props.junoClient.getNotebookContentUrl(data.id),
+        [GalleryUtils.NotebookViewerParams.GalleryItemId]: data.id
+      });
+
+      window.open(`/notebookViewer.html?${params.toString()}`);
     }
   };
+
+  private loadTaggedItems = (tag: string): void => {
+    const searchText = tag;
+    this.setState({
+      searchText
+    });
+
+    this.loadTabContent(this.state.selectedTab, searchText, this.state.sortBy, true);
+    this.props.onSearchTextChange && this.props.onSearchTextChange(searchText);
+  };
+
+  private favoriteItem = async (data: IGalleryItem): Promise<void> => {
+    GalleryUtils.favoriteItem(this.props.container, this.props.junoClient, data, (item: IGalleryItem) => {
+      if (this.favoriteNotebooks) {
+        this.favoriteNotebooks.push(item);
+      } else {
+        this.favoriteNotebooks = [item];
+      }
+      this.refreshSelectedTab(item);
+    });
+  };
+
+  private unfavoriteItem = async (data: IGalleryItem): Promise<void> => {
+    GalleryUtils.unfavoriteItem(this.props.container, this.props.junoClient, data, (item: IGalleryItem) => {
+      this.favoriteNotebooks = this.favoriteNotebooks?.filter(value => value.id !== item.id);
+      this.refreshSelectedTab(item);
+    });
+  };
+
+  private downloadItem = async (data: IGalleryItem): Promise<void> => {
+    GalleryUtils.downloadItem(this, this.props.container, this.props.junoClient, data, item =>
+      this.refreshSelectedTab(item)
+    );
+  };
+
+  private deleteItem = async (data: IGalleryItem): Promise<void> => {
+    GalleryUtils.deleteItem(this.props.container, this.props.junoClient, data, item => {
+      this.publishedNotebooks = this.publishedNotebooks.filter(notebook => item.id !== notebook.id);
+      this.refreshSelectedTab(item);
+    });
+  };
+
+  private onPivotChange = (item: PivotItem): void => {
+    const selectedTab = GalleryTab[item.props.itemKey as keyof typeof GalleryTab];
+    const searchText: string = undefined;
+    this.setState({
+      selectedTab,
+      searchText
+    });
+
+    this.loadTabContent(selectedTab, searchText, this.state.sortBy, false);
+    this.props.onSelectedTabChange && this.props.onSelectedTabChange(selectedTab);
+  };
+
+  private onSearchBoxChange = (event?: React.ChangeEvent<HTMLInputElement>, newValue?: string): void => {
+    const searchText = newValue;
+    this.setState({
+      searchText
+    });
+
+    this.loadTabContent(this.state.selectedTab, searchText, this.state.sortBy, true);
+    this.props.onSearchTextChange && this.props.onSearchTextChange(searchText);
+  };
+
+  private onDropdownChange = (event: React.FormEvent<HTMLDivElement>, option?: IDropdownOption): void => {
+    const sortBy = option.key as SortBy;
+    this.setState({
+      sortBy
+    });
+
+    this.loadTabContent(this.state.selectedTab, this.state.searchText, sortBy, true);
+    this.props.onSortByChange && this.props.onSortByChange(sortBy);
+  };
 }

src/Explorer/Controls/NotebookGallery/__snapshots__/GalleryViewerComponent.test.tsx.snap

@@ -1,54 +1,88 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`FullWidthTabs renders 1`] = `
+exports[`GalleryViewerComponent renders 1`] = `
-<TabComponent
-  currentTabIndex={0}
-  hideHeader={false}
-  onTabIndexChange={[Function]}
-  tabs={
-    Array [
-      Object {
-        "content": Object {
-          "className": "",
-          "render": [Function],
-        },
-        "isVisible": [Function],
-        "title": "Official Samples",
-      },
-      Object {
-        "content": Object {
-          "className": "",
-          "render": [Function],
-        },
-        "isVisible": [Function],
-        "title": "Liked Notebooks",
-      },
-    ]
-  }
-/>
-`;
-
-exports[`GalleryCardComponent renders 1`] = `
 <div
   className="galleryContainer"
 >
-  <GalleryCardsComponent
+  <StyledPivotBase
-    data={Array []}
+    onLinkClick={[Function]}
-    onClick={[Function]}
+    selectedKey="OfficialSamples"
-  />
+  >
-</div>
+    <PivotItem
-`;
+      headerText="Official samples"
-
+      itemKey="OfficialSamples"
-exports[`GalleryCardsComponent renders 1`] = `
+      key="OfficialSamples"
-<Stack
+      style={
+        Object {
+          "marginTop": 20,
+        }
+      }
+    >
+      <Stack
+        tokens={
+          Object {
+            "childrenGap": 20,
+          }
+        }
+      >
+        <Stack
           horizontal={true}
           tokens={
             Object {
-      "childrenGap": 30,
+              "childrenGap": 20,
             }
           }
-  wrap={true}
+        >
-/>
+          <StackItem
+            grow={true}
+          >
+            <StyledSearchBoxBase
+              onChange={[Function]}
+              placeholder="Search"
+            />
+          </StackItem>
+          <StackItem>
+            <StyledLabelBase>
+              Sort by
+            </StyledLabelBase>
+          </StackItem>
+          <StackItem
+            styles={
+              Object {
+                "root": Object {
+                  "minWidth": 200,
+                },
+              }
+            }
+          >
+            <StyledWithResponsiveMode
+              onChange={[Function]}
+              options={
+                Array [
+                  Object {
+                    "key": 0,
+                    "text": "Most viewed",
+                  },
+                  Object {
+                    "key": 1,
+                    "text": "Most downloaded",
+                  },
+                  Object {
+                    "key": 2,
+                    "text": "Most favorited",
+                  },
+                  Object {
+                    "key": 3,
+                    "text": "Most recent",
+                  },
+                ]
+              }
+              selectedKey={0}
+            />
+          </StackItem>
+        </Stack>
+      </Stack>
+    </PivotItem>
+  </StyledPivotBase>
+</div>
 `;
-
-exports[`GalleryViewerContainerComponent renders 1`] = `<Fragment />`;

src/Explorer/Controls/NotebookViewer/NotebookMetadataComponent.test.tsx

@@ -1,16 +1,30 @@
-import React from "react";
 import { shallow } from "enzyme";
-import { NotebookMetadataComponentProps, NotebookMetadataComponent } from "./NotebookMetadataComponent";
+import React from "react";
+import { NotebookMetadataComponent, NotebookMetadataComponentProps } from "./NotebookMetadataComponent";
 
 describe("NotebookMetadataComponent", () => {
   it("renders un-liked notebook", () => {
     const props: NotebookMetadataComponentProps = {
-      notebookName: "My notebook",
+      data: {
-      container: undefined,
+        id: "id",
-      notebookMetadata: undefined,
+        name: "name",
-      notebookContent: {},
+        description: "description",
-      onNotebookMetadataChange: () => Promise.resolve(),
+        author: "author",
-      isLikedNotebook: false
+        thumbnailUrl: "thumbnailUrl",
+        created: "created",
+        gitSha: "gitSha",
+        tags: ["tag"],
+        isSample: false,
+        downloads: 0,
+        favorites: 0,
+        views: 0
+      },
+      isFavorite: false,
+      downloadButtonText: "Download",
+      onTagClick: undefined,
+      onDownloadClick: undefined,
+      onFavoriteClick: undefined,
+      onUnfavoriteClick: undefined
     };
 
     const wrapper = shallow(<NotebookMetadataComponent {...props} />);
@@ -19,12 +33,26 @@ describe("NotebookMetadataComponent", () => {
 
   it("renders liked notebook", () => {
     const props: NotebookMetadataComponentProps = {
-      notebookName: "My notebook",
+      data: {
-      container: undefined,
+        id: "id",
-      notebookMetadata: undefined,
+        name: "name",
-      notebookContent: {},
+        description: "description",
-      onNotebookMetadataChange: () => Promise.resolve(),
+        author: "author",
-      isLikedNotebook: true
+        thumbnailUrl: "thumbnailUrl",
+        created: "created",
+        gitSha: "gitSha",
+        tags: ["tag"],
+        isSample: false,
+        downloads: 0,
+        favorites: 0,
+        views: 0
+      },
+      isFavorite: true,
+      downloadButtonText: "Download",
+      onTagClick: undefined,
+      onDownloadClick: undefined,
+      onFavoriteClick: undefined,
+      onUnfavoriteClick: undefined
     };
 
     const wrapper = shallow(<NotebookMetadataComponent {...props} />);

src/Explorer/Controls/NotebookViewer/NotebookMetadataComponent.tsx

@@ -1,189 +1,85 @@
 /**
  * Wrapper around Notebook metadata
  */
-
-import * as React from "react";
-import * as ViewModels from "../../../Contracts/ViewModels";
-import { NotebookMetadata } from "../../../Contracts/DataModels";
-import { initializeIcons } from "office-ui-fabric-react/lib/Icons";
-import { Icon, Persona, Text, IconButton } from "office-ui-fabric-react";
 import {
-  siteTextStyles,
+  FontWeights,
-  subtleIconStyles,
+  Icon,
-  iconStyles,
+  IconButton,
-  iconButtonStyles,
+  Link,
-  mainHelpfulTextStyles,
+  Persona,
-  subtleHelpfulTextStyles,
+  PersonaSize,
-  helpfulTextStyles
+  PrimaryButton,
-} from "../NotebookGallery/Cards/CardStyleConstants";
+  Stack,
-
+  Text
+} from "office-ui-fabric-react";
+import * as React from "react";
+import { IGalleryItem } from "../../../Juno/JunoClient";
+import { FileSystemUtil } from "../../Notebook/FileSystemUtil";
 import "./NotebookViewerComponent.less";
 
-initializeIcons();
-
 export interface NotebookMetadataComponentProps {
-  notebookName: string;
+  data: IGalleryItem;
-  container: ViewModels.Explorer;
+  isFavorite: boolean;
-  notebookMetadata: NotebookMetadata;
+  downloadButtonText: string;
-  notebookContent: any;
+  onTagClick: (tag: string) => void;
-  onNotebookMetadataChange: (newNotebookMetadata: NotebookMetadata) => Promise<void>;
+  onFavoriteClick: () => void;
-  isLikedNotebook: boolean;
+  onUnfavoriteClick: () => void;
+  onDownloadClick: () => void;
 }
 
-interface NotebookMetadatComponentState {
+export class NotebookMetadataComponent extends React.Component<NotebookMetadataComponentProps> {
-  liked: boolean;
-  notebookMetadata: NotebookMetadata;
-}
-
-export class NotebookMetadataComponent extends React.Component<
-  NotebookMetadataComponentProps,
-  NotebookMetadatComponentState
-> {
-  constructor(props: NotebookMetadataComponentProps) {
-    super(props);
-    this.state = {
-      liked: this.props.isLikedNotebook,
-      notebookMetadata: this.props.notebookMetadata
-    };
-  }
-
-  private onDownloadClick = (newNotebookName: string) => {
-    this.props.container
-      .importAndOpenFromGallery(this.props.notebookName, newNotebookName, JSON.stringify(this.props.notebookContent))
-      .then(() => {
-        if (this.props.notebookMetadata) {
-          if (this.props.onNotebookMetadataChange) {
-            const notebookMetadata = { ...this.state.notebookMetadata };
-            notebookMetadata.downloads += 1;
-            this.props.onNotebookMetadataChange(notebookMetadata).then(() => {
-              this.setState({ notebookMetadata: notebookMetadata });
-            });
-          }
-        }
-      });
-  };
-
-  componentDidMount() {
-    if (this.props.onNotebookMetadataChange) {
-      const notebookMetadata = { ...this.state.notebookMetadata };
-      if (this.props.notebookMetadata) {
-        notebookMetadata.views += 1;
-        this.props.onNotebookMetadataChange(notebookMetadata).then(() => {
-          this.setState({ notebookMetadata: notebookMetadata });
-        });
-      }
-    }
-  }
-
-  private onLike = (): void => {
-    if (this.props.onNotebookMetadataChange) {
-      const notebookMetadata = { ...this.state.notebookMetadata };
-      let liked: boolean;
-      if (this.state.liked) {
-        liked = false;
-        notebookMetadata.likes -= 1;
-      } else {
-        liked = true;
-        notebookMetadata.likes += 1;
-      }
-
-      this.props.onNotebookMetadataChange(notebookMetadata).then(() => {
-        this.setState({ liked: liked, notebookMetadata: notebookMetadata });
-      });
-    }
-  };
-
-  private onDownload = (): void => {
-    const promptForNotebookName = () => {
-      return new Promise<string>((resolve, reject) => {
-        let newNotebookName = this.props.notebookName;
-        this.props.container.showOkCancelTextFieldModalDialog(
-          "Save notebook as",
-          undefined,
-          "Ok",
-          () => resolve(newNotebookName),
-          "Cancel",
-          () => reject(new Error("New notebook name dialog canceled")),
-          {
-            label: "New notebook name:",
-            autoAdjustHeight: true,
-            multiline: true,
-            rows: 3,
-            defaultValue: this.props.notebookName,
-            onChange: (_, newValue: string) => {
-              newNotebookName = newValue;
-            }
-          }
-        );
-      });
-    };
-
-    promptForNotebookName().then((newNotebookName: string) => {
-      this.onDownloadClick(newNotebookName);
-    });
-  };
-
   public render(): JSX.Element {
+    const options: Intl.DateTimeFormatOptions = {
+      year: "numeric",
+      month: "short",
+      day: "numeric"
+    };
+
+    const dateString = new Date(this.props.data.created).toLocaleString("default", options);
+
     return (
-      <div className="notebookViewerMetadataContainer">
+      <Stack tokens={{ childrenGap: 10 }}>
-        <h3 className="title">{this.props.notebookName}</h3>
+        <Stack horizontal verticalAlign="center" tokens={{ childrenGap: 30 }}>
-
+          <Text variant="xxLarge" nowrap>
-        {this.props.notebookMetadata && (
+            {FileSystemUtil.stripExtension(this.props.data.name, "ipynb")}
-          <div className="decoration">
+          </Text>
-            {this.props.container ? (
+          <Text>
             <IconButton
-                iconProps={{ iconName: this.state.liked ? "HeartFill" : "Heart" }}
+              iconProps={{ iconName: this.props.isFavorite ? "HeartFill" : "Heart" }}
-                styles={iconButtonStyles}
+              onClick={this.props.isFavorite ? this.props.onUnfavoriteClick : this.props.onFavoriteClick}
-                onClick={this.onLike}
             />
-            ) : (
+            {this.props.data.favorites} likes
-              <Icon iconName="Heart" styles={iconStyles} />
-            )}
-            <Text variant="large" styles={mainHelpfulTextStyles}>
-              {this.state.notebookMetadata.likes} likes
           </Text>
-          </div>
+          <PrimaryButton text={this.props.downloadButtonText} onClick={this.props.onDownloadClick} />
-        )}
+        </Stack>
 
-        {this.props.container && (
+        <Stack horizontal verticalAlign="center" tokens={{ childrenGap: 10 }}>
-          <button aria-label="downloadButton" className="downloadButton" onClick={this.onDownload}>
+          <Persona text={this.props.data.author} size={PersonaSize.size32} />
-            Download Notebook
+          <Text>{dateString}</Text>
-          </button>
+          <Text>
-        )}
+            <Icon iconName="RedEye" /> {this.props.data.views}
+          </Text>
+          <Text>
+            <Icon iconName="Download" />
+            {this.props.data.downloads}
+          </Text>
+        </Stack>
 
-        {this.props.notebookMetadata && (
+        <Text nowrap>
-          <>
+          {this.props.data.tags?.map((tag, index, array) => (
-            <div>
+            <span key={tag}>
-              <Persona
+              <Link onClick={(): void => this.props.onTagClick(tag)}>{tag}</Link>
-                className="persona"
+              {index === array.length - 1 ? <></> : ", "}
-                text={this.props.notebookMetadata.author}
+            </span>
-                secondaryText={this.props.notebookMetadata.date}
+          ))}
-              />
-            </div>
-            <div>
-              <div className="extras">
-                <Icon iconName="RedEye" styles={subtleIconStyles} />
-                <Text variant="small" styles={subtleHelpfulTextStyles}>
-                  {this.state.notebookMetadata.views}
         </Text>
-                <Icon iconName="Download" styles={subtleIconStyles} />
+
-                <Text variant="small" styles={subtleHelpfulTextStyles}>
+        <Text variant="large" styles={{ root: { fontWeight: FontWeights.semibold } }}>
-                  {this.state.notebookMetadata.downloads}
+          Description
         </Text>
-              </div>
+
-              <Text variant="small" styles={siteTextStyles}>
+        <Text>{this.props.data.description}</Text>
-                {this.props.notebookMetadata.tags.join(", ")}
+      </Stack>
-              </Text>
-            </div>
-            <div>
-              <Text variant="small" styles={helpfulTextStyles}>
-                <b>Description:</b>
-                <p>{this.props.notebookMetadata.description}</p>
-              </Text>
-            </div>
-          </>
-        )}
-      </div>
     );
   }
 }

src/Explorer/Controls/NotebookViewer/NotebookViewerComponent.less

@@ -1,7 +1,7 @@
 @import "../../../../less/Common/Constants";
 
 .notebookViewerContainer {
-  padding: @DefaultSpace;
+  padding: 30px;
   height: 100%;
   width: 100%;
   overflow-y: auto;

src/Explorer/Controls/NotebookViewer/NotebookViewerComponent.tsx

@@ -1,36 +1,44 @@
 /**
  * Wrapper around Notebook Viewer Read only content
  */
-
+import { Notebook } from "@nteract/commutable";
+import { createContentRef } from "@nteract/core";
+import { Icon, Link } from "office-ui-fabric-react";
 import * as React from "react";
+import { contents } from "rx-jupyter";
+import * as Logger from "../../../Common/Logger";
 import * as ViewModels from "../../../Contracts/ViewModels";
+import { IGalleryItem, JunoClient } from "../../../Juno/JunoClient";
+import * as GalleryUtils from "../../../Utils/GalleryUtils";
+import { NotificationConsoleUtils } from "../../../Utils/NotificationConsoleUtils";
+import { ConsoleDataType } from "../../Menus/NotificationConsole/NotificationConsoleComponent";
 import { NotebookClientV2 } from "../../Notebook/NotebookClientV2";
 import { NotebookComponentBootstrapper } from "../../Notebook/NotebookComponent/NotebookComponentBootstrapper";
-import { createContentRef } from "@nteract/core";
 import NotebookReadOnlyRenderer from "../../Notebook/NotebookRenderer/NotebookReadOnlyRenderer";
-import { contents } from "rx-jupyter";
+import { DialogComponent, DialogProps } from "../DialogReactComponent/DialogComponent";
-import { NotebookMetadata } from "../../../Contracts/DataModels";
 import { NotebookMetadataComponent } from "./NotebookMetadataComponent";
 import "./NotebookViewerComponent.less";
 
 export interface NotebookViewerComponentProps {
-  notebookName: string;
-  notebookUrl: string;
   container?: ViewModels.Explorer;
-  notebookMetadata: NotebookMetadata;
+  junoClient?: JunoClient;
-  onNotebookMetadataChange?: (newNotebookMetadata: NotebookMetadata) => Promise<void>;
+  notebookUrl: string;
-  isLikedNotebook?: boolean;
+  galleryItem?: IGalleryItem;
-  hideInputs?: boolean;
+  isFavorite?: boolean;
+  backNavigationText: string;
+  onBackClick: () => void;
+  onTagClick: (tag: string) => void;
 }
 
 interface NotebookViewerComponentState {
-  content: any;
+  content: Notebook;
+  galleryItem?: IGalleryItem;
+  isFavorite?: boolean;
+  dialogProps: DialogProps;
 }
 
-export class NotebookViewerComponent extends React.Component<
+export class NotebookViewerComponent extends React.Component<NotebookViewerComponentProps, NotebookViewerComponentState>
-  NotebookViewerComponentProps,
+  implements GalleryUtils.DialogEnabledComponent {
-  NotebookViewerComponentState
-> {
   private clientManager: NotebookClientV2;
   private notebookComponentBootstrapper: NotebookComponentBootstrapper;
 
@@ -52,40 +60,118 @@ export class NotebookViewerComponent extends React.Component<
       contentRef: createContentRef()
     });
 
-    this.state = { content: undefined };
+    this.state = {
+      content: undefined,
+      galleryItem: props.galleryItem,
+      isFavorite: props.isFavorite,
+      dialogProps: undefined
+    };
+
+    this.loadNotebookContent();
   }
 
-  private async getJsonNotebookContent(): Promise<any> {
+  setDialogProps = (dialogProps: DialogProps): void => {
-    const response: Response = await fetch(this.props.notebookUrl);
+    this.setState({ dialogProps });
-    if (response.ok) {
+  };
-      return await response.json();
+
-    } else {
+  private async loadNotebookContent(): Promise<void> {
-      return undefined;
+    try {
-    }
+      const response = await fetch(this.props.notebookUrl);
+      if (!response.ok) {
+        throw new Error(`Received HTTP ${response.status} while fetching ${this.props.notebookUrl}`);
       }
 
-  componentDidMount() {
+      const notebook: Notebook = await response.json();
-    this.getJsonNotebookContent().then((jsonContent: any) => {
+      this.notebookComponentBootstrapper.setContent("json", notebook);
-      this.notebookComponentBootstrapper.setContent("json", jsonContent);
+      this.setState({ content: notebook });
-      this.setState({ content: jsonContent });
+
-    });
+      if (this.props.galleryItem) {
+        const response = await this.props.junoClient.increaseNotebookViews(this.props.galleryItem.id);
+        if (!response.data) {
+          throw new Error(`Received HTTP ${response.status} while increasing notebook views`);
+        }
+
+        this.setState({ galleryItem: response.data });
+      }
+    } catch (error) {
+      const message = `Failed to load notebook content: ${error}`;
+      Logger.logError(message, "NotebookViewerComponent/loadNotebookContent");
+      NotificationConsoleUtils.logConsoleMessage(ConsoleDataType.Error, message);
+    }
   }
 
   public render(): JSX.Element {
     return (
       <div className="notebookViewerContainer">
+        {this.props.backNavigationText ? (
+          <Link onClick={this.props.onBackClick}>
+            <Icon iconName="Back" /> {this.props.backNavigationText}
+          </Link>
+        ) : (
+          <></>
+        )}
+
+        {this.state.galleryItem ? (
+          <div style={{ margin: 10 }}>
             <NotebookMetadataComponent
-          notebookMetadata={this.props.notebookMetadata}
+              data={this.state.galleryItem}
-          notebookName={this.props.notebookName}
+              isFavorite={this.state.isFavorite}
-          container={this.props.container}
+              downloadButtonText={
-          notebookContent={this.state.content}
+                this.props.container ? "Download to my notebooks" : "Edit/Run in Cosmos DB data explorer"
-          onNotebookMetadataChange={this.props.onNotebookMetadataChange}
+              }
-          isLikedNotebook={this.props.isLikedNotebook}
+              onTagClick={this.props.onTagClick}
+              onFavoriteClick={this.favoriteItem}
+              onUnfavoriteClick={this.unfavoriteItem}
+              onDownloadClick={this.downloadItem}
             />
-        {this.notebookComponentBootstrapper.renderComponent(NotebookReadOnlyRenderer, {
+          </div>
-          hideInputs: this.props.hideInputs
+        ) : (
-        })}
+          <></>
+        )}
+
+        {this.notebookComponentBootstrapper.renderComponent(NotebookReadOnlyRenderer, { hideInputs: true })}
+
+        {this.state.dialogProps && <DialogComponent {...this.state.dialogProps} />}
       </div>
     );
   }
+
+  public static getDerivedStateFromProps(
+    props: NotebookViewerComponentProps,
+    state: NotebookViewerComponentState
+  ): Partial<NotebookViewerComponentState> {
+    let galleryItem = props.galleryItem;
+    let isFavorite = props.isFavorite;
+
+    if (state.galleryItem !== undefined) {
+      galleryItem = state.galleryItem;
+    }
+
+    if (state.isFavorite !== undefined) {
+      isFavorite = state.isFavorite;
+    }
+
+    return {
+      galleryItem,
+      isFavorite
+    };
+  }
+
+  private favoriteItem = async (): Promise<void> => {
+    GalleryUtils.favoriteItem(this.props.container, this.props.junoClient, this.state.galleryItem, item =>
+      this.setState({ galleryItem: item, isFavorite: true })
+    );
+  };
+
+  private unfavoriteItem = async (): Promise<void> => {
+    GalleryUtils.unfavoriteItem(this.props.container, this.props.junoClient, this.state.galleryItem, item =>
+      this.setState({ galleryItem: item, isFavorite: false })
+    );
+  };
+
+  private downloadItem = async (): Promise<void> => {
+    GalleryUtils.downloadItem(this, this.props.container, this.props.junoClient, this.state.galleryItem, item =>
+      this.setState({ galleryItem: item })
+    );
+  };
 }

src/Explorer/Controls/NotebookViewer/__snapshots__/NotebookMetadataComponent.test.tsx.snap

@@ -1,25 +1,199 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
 exports[`NotebookMetadataComponent renders liked notebook 1`] = `
-<div
+<Stack
-  className="notebookViewerMetadataContainer"
+  tokens={
+    Object {
+      "childrenGap": 10,
+    }
+  }
 >
-  <h3
+  <Stack
-    className="title"
+    horizontal={true}
+    tokens={
+      Object {
+        "childrenGap": 30,
+      }
+    }
+    verticalAlign="center"
   >
-    My notebook
+    <Text
-  </h3>
+      nowrap={true}
-</div>
+      variant="xxLarge"
+    >
+      name
+    </Text>
+    <Text>
+      <CustomizedIconButton
+        iconProps={
+          Object {
+            "iconName": "HeartFill",
+          }
+        }
+      />
+      0
+       likes
+    </Text>
+    <CustomizedPrimaryButton
+      text="Download"
+    />
+  </Stack>
+  <Stack
+    horizontal={true}
+    tokens={
+      Object {
+        "childrenGap": 10,
+      }
+    }
+    verticalAlign="center"
+  >
+    <StyledPersonaBase
+      size={11}
+      text="author"
+    />
+    <Text>
+      Invalid Date
+    </Text>
+    <Text>
+      <StyledIconBase
+        iconName="RedEye"
+      />
+       
+      0
+    </Text>
+    <Text>
+      <StyledIconBase
+        iconName="Download"
+      />
+      0
+    </Text>
+  </Stack>
+  <Text
+    nowrap={true}
+  >
+    <span
+      key="tag"
+    >
+      <StyledLinkBase
+        onClick={[Function]}
+      >
+        tag
+      </StyledLinkBase>
+    </span>
+  </Text>
+  <Text
+    styles={
+      Object {
+        "root": Object {
+          "fontWeight": 600,
+        },
+      }
+    }
+    variant="large"
+  >
+    Description
+  </Text>
+  <Text>
+    description
+  </Text>
+</Stack>
 `;
 
 exports[`NotebookMetadataComponent renders un-liked notebook 1`] = `
-<div
+<Stack
-  className="notebookViewerMetadataContainer"
+  tokens={
+    Object {
+      "childrenGap": 10,
+    }
+  }
 >
-  <h3
+  <Stack
-    className="title"
+    horizontal={true}
+    tokens={
+      Object {
+        "childrenGap": 30,
+      }
+    }
+    verticalAlign="center"
   >
-    My notebook
+    <Text
-  </h3>
+      nowrap={true}
-</div>
+      variant="xxLarge"
+    >
+      name
+    </Text>
+    <Text>
+      <CustomizedIconButton
+        iconProps={
+          Object {
+            "iconName": "Heart",
+          }
+        }
+      />
+      0
+       likes
+    </Text>
+    <CustomizedPrimaryButton
+      text="Download"
+    />
+  </Stack>
+  <Stack
+    horizontal={true}
+    tokens={
+      Object {
+        "childrenGap": 10,
+      }
+    }
+    verticalAlign="center"
+  >
+    <StyledPersonaBase
+      size={11}
+      text="author"
+    />
+    <Text>
+      Invalid Date
+    </Text>
+    <Text>
+      <StyledIconBase
+        iconName="RedEye"
+      />
+       
+      0
+    </Text>
+    <Text>
+      <StyledIconBase
+        iconName="Download"
+      />
+      0
+    </Text>
+  </Stack>
+  <Text
+    nowrap={true}
+  >
+    <span
+      key="tag"
+    >
+      <StyledLinkBase
+        onClick={[Function]}
+      >
+        tag
+      </StyledLinkBase>
+    </span>
+  </Text>
+  <Text
+    styles={
+      Object {
+        "root": Object {
+          "fontWeight": 600,
+        },
+      }
+    }
+    variant="large"
+  >
+    Description
+  </Text>
+  <Text>
+    description
+  </Text>
+</Stack>
 `;

src/Explorer/Explorer.ts

@@ -49,19 +49,15 @@ import { ExecuteSprocParamsPane } from "./Panes/ExecuteSprocParamsPane";
 import { ExplorerMetrics } from "../Common/Constants";
 import { ExplorerSettings } from "../Shared/ExplorerSettings";
 import { FileSystemUtil } from "./Notebook/FileSystemUtil";
-import { GitHubOAuthService } from "../GitHub/GitHubOAuthService";
-import { GitHubReposPane } from "./Panes/GitHubReposPane";
 import { handleOpenAction } from "./OpenActions";
-import { IContentProvider } from "@nteract/core";
 import { isInvalidParentFrameOrigin } from "../Utils/MessageValidation";
-import { JunoClient } from "../Juno/JunoClient";
+import { IGalleryItem } from "../Juno/JunoClient";
 import { LibraryManagePane } from "./Panes/LibraryManagePane";
 import { LoadQueryPane } from "./Panes/LoadQueryPane";
 import * as Logger from "../Common/Logger";
 import { ManageSparkClusterPane } from "./Panes/ManageSparkClusterPane";
 import { MessageHandler } from "../Common/MessageHandler";
 import { NotebookContentItem, NotebookContentItemType } from "./Notebook/NotebookContentItem";
-import { NotebookContentProvider } from "./Notebook/NotebookComponent/NotebookContentProvider";
 import { NotebookUtil } from "./Notebook/NotebookUtil";
 import { NotebookWorkspaceManager } from "../NotebookWorkspaceManager/NotebookWorkspaceManager";
 import { NotificationConsoleComponentAdapter } from "./Menus/NotificationConsole/NotificationConsoleComponentAdapter";
@@ -86,6 +82,7 @@ import { TableColumnOptionsPane } from "./Panes/Tables/TableColumnOptionsPane";
 import { UploadFilePane } from "./Panes/UploadFilePane";
 import { UploadItemsPane } from "./Panes/UploadItemsPane";
 import { UploadItemsPaneAdapter } from "./Panes/UploadItemsPaneAdapter";
+import { ReactAdapter } from "../Bindings/ReactBindingHandler";
 
 BindingHandlersRegisterer.registerBindingHandlers();
 // Hold a reference to ComponentRegisterer to prevent transpiler to ignore import
@@ -199,10 +196,13 @@ export default class Explorer implements ViewModels.Explorer {
   public libraryManagePane: ViewModels.ContextualPane;
   public clusterLibraryPane: ViewModels.ContextualPane;
   public gitHubReposPane: ViewModels.ContextualPane;
+  public publishNotebookPaneAdapter: ReactAdapter;
 
   // features
   public isGalleryEnabled: ko.Computed<boolean>;
+  public isGalleryPublishEnabled: ko.Computed<boolean>;
   public isGitHubPaneEnabled: ko.Observable<boolean>;
+  public isPublishNotebookPaneEnabled: ko.Observable<boolean>;
   public isHostedDataExplorerEnabled: ko.Computed<boolean>;
   public isRightPanelV2Enabled: ko.Computed<boolean>;
   public canExceedMaximumValue: ko.Computed<boolean>;
@@ -223,11 +223,7 @@ export default class Explorer implements ViewModels.Explorer {
   // Notebooks
   public isNotebookEnabled: ko.Observable<boolean>;
   public isNotebooksEnabledForAccount: ko.Observable<boolean>;
-  private notebookClient: ViewModels.INotebookContainerClient;
-  private notebookContentClient: ViewModels.INotebookContentClient;
   public notebookServerInfo: ko.Observable<DataModels.NotebookWorkspaceConnectionInfo>;
-  public notebookContentProvider: IContentProvider;
-  public gitHubOAuthService: GitHubOAuthService;
   public notebookWorkspaceManager: ViewModels.NotebookWorkspaceManager;
   public sparkClusterManager: ViewModels.SparkClusterManager;
   public sparkClusterConnectionInfo: ko.Observable<DataModels.SparkClusterConnectionInfo>;
@@ -239,6 +235,7 @@ export default class Explorer implements ViewModels.Explorer {
   public isSynapseLinkUpdating: ko.Observable<boolean>;
   public isNotebookTabActive: ko.Computed<boolean>;
   public memoryUsageInfo: ko.Observable<DataModels.MemoryUsageInfo>;
+  public notebookManager?: any; // This is dynamically loaded
 
   private _panes: ViewModels.ContextualPane[] = [];
   private _importExplorerConfigComplete: boolean = false;
@@ -409,7 +406,11 @@ export default class Explorer implements ViewModels.Explorer {
     this.shouldShowDataAccessExpiryDialog = ko.observable<boolean>(false);
     this.shouldShowContextSwitchPrompt = ko.observable<boolean>(false);
     this.isGalleryEnabled = ko.computed<boolean>(() => this.isFeatureEnabled(Constants.Features.enableGallery));
+    this.isGalleryPublishEnabled = ko.computed<boolean>(() =>
+      this.isFeatureEnabled(Constants.Features.enableGalleryPublish)
+    );
     this.isGitHubPaneEnabled = ko.observable<boolean>(false);
+    this.isPublishNotebookPaneEnabled = ko.observable<boolean>(false);
 
     this.canExceedMaximumValue = ko.computed<boolean>(() =>
       this.isFeatureEnabled(Constants.Features.canExceedMaximumValue)
@@ -937,127 +938,33 @@ export default class Explorer implements ViewModels.Explorer {
       startKey
     );
 
-    const junoClient = new JunoClient(this.databaseAccount);
-
     this.isNotebookEnabled = ko.observable(false);
-    this.isNotebookEnabled.subscribe(async (isEnabled: boolean) => {
+    this.isNotebookEnabled.subscribe(async () => {
-      this.refreshCommandBarButtons();
+      if (!this.notebookManager) {
-
+        const notebookManagerModule = await import(
-      this.gitHubOAuthService = new GitHubOAuthService(junoClient);
+          /* webpackChunkName: "NotebookManager" */ "./Notebook/NotebookManager"
-
-      const GitHubClientModule = await import(/* webpackChunkName: "GitHubClient" */ "../GitHub/GitHubClient");
-      const gitHubClient = new GitHubClientModule.GitHubClient(config.AZURESAMPLESCOSMOSDBPAT, error => {
-        Logger.logError(error, "Explorer/GitHubClient errorCallback");
-
-        if (error.status === Constants.HttpStatusCodes.Unauthorized) {
-          this.gitHubOAuthService?.resetToken();
-
-          this.showOkCancelModalDialog(
-            undefined,
-            "Cosmos DB cannot access your Github account anymore. Please connect to GitHub again.",
-            "Connect to GitHub",
-            () => this.gitHubReposPane?.open(),
-            "Cancel",
-            undefined
         );
-        }
+        this.notebookManager = new notebookManagerModule.default();
-      });
+        this.notebookManager.initialize({
-
-      this.gitHubReposPane = new GitHubReposPane({
-        documentClientUtility: this.documentClientUtility,
-        id: "gitHubReposPane",
-        visible: ko.observable<boolean>(false),
           container: this,
-        junoClient,
+          dialogProps: this._dialogProps,
-        gitHubClient
+          notebookBasePath: this.notebookBasePath,
+          resourceTree: this.resourceTree,
+          refreshCommandBarButtons: () => this.refreshCommandBarButtons(),
+          refreshNotebookList: () => this.refreshNotebookList()
         });
 
+        this.gitHubReposPane = this.notebookManager.gitHubReposPane;
         this.isGitHubPaneEnabled(true);
-
-      this.gitHubOAuthService.getTokenObservable().subscribe(token => {
-        gitHubClient.setToken(token?.access_token ? token.access_token : config.AZURESAMPLESCOSMOSDBPAT);
-
-        if (this.gitHubReposPane?.visible()) {
-          this.gitHubReposPane.open();
       }
 
       this.refreshCommandBarButtons();
       this.refreshNotebookList();
     });
 
-      if (this.isGalleryEnabled()) {
-        this.galleryTab = await import(/* webpackChunkName: "GalleryTab" */ "./Tabs/GalleryTab");
-        this.notebookViewerTab = await import(/* webpackChunkName: "NotebookViewerTab" */ "./Tabs/NotebookViewerTab");
-      }
-
-      const promptForCommitMsg = (title: string, primaryButtonLabel: string) => {
-        return new Promise<string>((resolve, reject) => {
-          let commitMsg: string = "Committed from Azure Cosmos DB Notebooks";
-          this.showOkCancelTextFieldModalDialog(
-            title || "Commit",
-            undefined,
-            primaryButtonLabel || "Commit",
-            () => {
-              TelemetryProcessor.trace(Action.NotebooksGitHubCommit, ActionModifiers.Mark, {
-                databaseAccountName: this.databaseAccount() && this.databaseAccount().name,
-                defaultExperience: this.defaultExperience && this.defaultExperience(),
-                dataExplorerArea: Constants.Areas.Notebook
-              });
-              resolve(commitMsg);
-            },
-            "Cancel",
-            () => reject(new Error("Commit dialog canceled")),
-            {
-              label: "Commit message",
-              autoAdjustHeight: true,
-              multiline: true,
-              defaultValue: commitMsg,
-              rows: 3,
-              onChange: (_, newValue: string) => {
-                commitMsg = newValue;
-                this._dialogProps().primaryButtonDisabled = !commitMsg;
-                this._dialogProps.valueHasMutated();
-              }
-            },
-            !commitMsg
-          );
-        });
-      };
-
-      const GitHubContentProviderModule = await import(
-        /* webpackChunkName: "rx-jupyter" */ "../GitHub/GitHubContentProvider"
-      );
-      const RXJupyterModule = await import(/* webpackChunkName: "rx-jupyter" */ "rx-jupyter");
-      this.notebookContentProvider = new NotebookContentProvider(
-        new GitHubContentProviderModule.GitHubContentProvider({ gitHubClient, promptForCommitMsg }),
-        RXJupyterModule.contents.JupyterContentProvider
-      );
-
-      const NotebookContainerClientModule = await import(
-        /* webpackChunkName: "NotebookContainerClient" */ "./Notebook/NotebookContainerClient"
-      );
-
-      this.notebookClient = new NotebookContainerClientModule.NotebookContainerClient(
-        this.notebookServerInfo,
-        () => this.initNotebooks(this.databaseAccount()),
-        (update: DataModels.MemoryUsageInfo) => this.memoryUsageInfo(update)
-      );
-
-      const NotebookContentClientModule = await import(
-        /* webpackChunkName: "NotebookContentClient" */ "./Notebook/NotebookContentClient"
-      );
-      this.notebookContentClient = new NotebookContentClientModule.NotebookContentClient(
-        this.notebookServerInfo,
-        this.notebookBasePath,
-        this.notebookContentProvider
-      );
-
-      this.refreshNotebookList();
-    });
-
     this.isSparkEnabled = ko.observable(false);
     this.isSparkEnabled.subscribe((isEnabled: boolean) => this.refreshCommandBarButtons());
-    this.resourceTree = new ResourceTreeAdapter(this, junoClient);
+    this.resourceTree = new ResourceTreeAdapter(this);
     this.resourceTreeForResourceToken = new ResourceTreeAdapterForResourceToken(this);
     this.notebookServerInfo = ko.observable<DataModels.NotebookWorkspaceConnectionInfo>({
       notebookServerEndpoint: undefined,
@@ -1887,7 +1794,7 @@ export default class Explorer implements ViewModels.Explorer {
   }
 
   public resetNotebookWorkspace() {
-    if (!this.isNotebookEnabled() || !this.notebookClient) {
+    if (!this.isNotebookEnabled() || !this.notebookManager?.notebookClient) {
       const error = "Attempt to reset notebook workspace, but notebook is not enabled";
       Logger.logError(error, "Explorer/resetNotebookWorkspace");
       NotificationConsoleUtils.logConsoleMessage(ConsoleDataType.Error, error);
@@ -1994,7 +1901,7 @@ export default class Explorer implements ViewModels.Explorer {
     this._closeModalDialog();
     const id = NotificationConsoleUtils.logConsoleMessage(ConsoleDataType.InProgress, "Resetting notebook workspace");
     try {
-      await this.notebookClient.resetWorkspace();
+      await this.notebookManager?.notebookClient.resetWorkspace();
       NotificationConsoleUtils.logConsoleMessage(ConsoleDataType.Info, "Successfully reset notebook workspace");
       TelemetryProcessor.traceSuccess(Action.ResetNotebookWorkspace);
     } catch (error) {
@@ -2563,17 +2470,17 @@ export default class Explorer implements ViewModels.Explorer {
   }
 
   private uploadFile(name: string, content: string, parent: NotebookContentItem): Promise<NotebookContentItem> {
-    if (!this.isNotebookEnabled() || !this.notebookContentClient) {
+    if (!this.isNotebookEnabled() || !this.notebookManager?.notebookContentClient) {
       const error = "Attempt to upload notebook, but notebook is not enabled";
       Logger.logError(error, "Explorer/uploadFile");
       NotificationConsoleUtils.logConsoleMessage(ConsoleDataType.Error, error);
       throw new Error(error);
     }
 
-    const promise = this.notebookContentClient.uploadFileAsync(name, content, parent);
+    const promise = this.notebookManager?.notebookContentClient.uploadFileAsync(name, content, parent);
     promise
       .then(() => this.resourceTree.triggerRender())
-      .catch(reason => this.showOkModalDialog("Unable to upload file", reason));
+      .catch((reason: any) => this.showOkModalDialog("Unable to upload file", reason));
     return promise;
   }
 
@@ -2582,7 +2489,7 @@ export default class Explorer implements ViewModels.Explorer {
     const item = NotebookUtil.createNotebookContentItem(name, path, "file");
     const parent = this.resourceTree.myNotebooksContentRoot;
 
-    if (parent && parent.children && this.isNotebookEnabled() && this.notebookClient) {
+    if (parent && parent.children && this.isNotebookEnabled() && this.notebookManager?.notebookClient) {
       if (this._filePathToImportAndOpen === path) {
         this._filePathToImportAndOpen = null; // we don't want to try opening this path again
       }
@@ -2601,15 +2508,10 @@ export default class Explorer implements ViewModels.Explorer {
     return Promise.resolve(false);
   }
 
-  public async importAndOpenFromGallery(path: string, newName: string, content: any): Promise<boolean> {
+  public async importAndOpenFromGallery(name: string, content: string): Promise<boolean> {
-    const name = newName;
     const parent = this.resourceTree.myNotebooksContentRoot;
 
-    if (parent && this.isNotebookEnabled() && this.notebookClient) {
+    if (parent && parent.children && this.isNotebookEnabled() && this.notebookManager?.notebookClient) {
-      if (this._filePathToImportAndOpen === path) {
-        this._filePathToImportAndOpen = undefined; // we don't want to try opening this path again
-      }
-
       const existingItem = _.find(parent.children, node => node.name === name);
       if (existingItem) {
         this.showOkModalDialog("Download failed", "Notebook with the same name already exists.");
@@ -2620,10 +2522,17 @@ export default class Explorer implements ViewModels.Explorer {
       return this.openNotebook(uploadedItem);
     }
 
-    this._filePathToImportAndOpen = path; // we'll try opening this path later on
     return Promise.resolve(false);
   }
 
+  public publishNotebook(name: string, content: string): void {
+    if (this.notebookManager) {
+      this.notebookManager.openPublishNotebookPane(name, content);
+      this.publishNotebookPaneAdapter = this.notebookManager.publishNotebookPaneAdapter;
+      this.isPublishNotebookPaneEnabled(true);
+    }
+  }
+
   public showOkModalDialog(title: string, msg: string): void {
     this._dialogProps({
       isModal: true,
@@ -2756,7 +2665,7 @@ export default class Explorer implements ViewModels.Explorer {
   }
 
   public renameNotebook(notebookFile: NotebookContentItem): Q.Promise<NotebookContentItem> {
-    if (!this.isNotebookEnabled() || !this.notebookContentClient) {
+    if (!this.isNotebookEnabled() || !this.notebookManager?.notebookContentClient) {
       const error = "Attempt to rename notebook, but notebook is not enabled";
       Logger.logError(error, "Explorer/renameNotebook");
       NotificationConsoleUtils.logConsoleMessage(ConsoleDataType.Error, error);
@@ -2784,7 +2693,7 @@ export default class Explorer implements ViewModels.Explorer {
         paneTitle: "Rename Notebook",
         submitButtonLabel: "Rename",
         defaultInput: FileSystemUtil.stripExtension(notebookFile.name, "ipynb"),
-        onSubmit: (input: string) => this.notebookContentClient.renameNotebook(notebookFile, input)
+        onSubmit: (input: string) => this.notebookManager?.notebookContentClient.renameNotebook(notebookFile, input)
       })
       .then(newNotebookFile => {
         this.openedTabs()
@@ -2806,7 +2715,7 @@ export default class Explorer implements ViewModels.Explorer {
   }
 
   public onCreateDirectory(parent: NotebookContentItem): Q.Promise<NotebookContentItem> {
-    if (!this.isNotebookEnabled() || !this.notebookContentClient) {
+    if (!this.isNotebookEnabled() || !this.notebookManager?.notebookContentClient) {
       const error = "Attempt to create notebook directory, but notebook is not enabled";
       Logger.logError(error, "Explorer/onCreateDirectory");
       NotificationConsoleUtils.logConsoleMessage(ConsoleDataType.Error, error);
@@ -2821,32 +2730,32 @@ export default class Explorer implements ViewModels.Explorer {
       paneTitle: "Create new directory",
       submitButtonLabel: "Create",
       defaultInput: "",
-      onSubmit: (input: string) => this.notebookContentClient.createDirectory(parent, input)
+      onSubmit: (input: string) => this.notebookManager?.notebookContentClient.createDirectory(parent, input)
     });
     result.then(() => this.resourceTree.triggerRender());
     return result;
   }
 
   public readFile(notebookFile: NotebookContentItem): Promise<string> {
-    if (!this.isNotebookEnabled() || !this.notebookContentClient) {
+    if (!this.isNotebookEnabled() || !this.notebookManager?.notebookContentClient) {
       const error = "Attempt to read file, but notebook is not enabled";
       Logger.logError(error, "Explorer/downloadFile");
       NotificationConsoleUtils.logConsoleMessage(ConsoleDataType.Error, error);
       throw new Error(error);
     }
 
-    return this.notebookContentClient.readFileContent(notebookFile.path);
+    return this.notebookManager?.notebookContentClient.readFileContent(notebookFile.path);
   }
 
   public downloadFile(notebookFile: NotebookContentItem): Promise<void> {
-    if (!this.isNotebookEnabled() || !this.notebookContentClient) {
+    if (!this.isNotebookEnabled() || !this.notebookManager?.notebookContentClient) {
       const error = "Attempt to download file, but notebook is not enabled";
       Logger.logError(error, "Explorer/downloadFile");
       NotificationConsoleUtils.logConsoleMessage(ConsoleDataType.Error, error);
       throw new Error(error);
     }
 
-    return this.notebookContentClient.readFileContent(notebookFile.path).then(
+    return this.notebookManager?.notebookContentClient.readFileContent(notebookFile.path).then(
       (content: string) => {
         const blob = new Blob([content], { type: "octet/stream" });
         if (navigator.msSaveBlob) {
@@ -2866,7 +2775,7 @@ export default class Explorer implements ViewModels.Explorer {
           downloadLink.remove();
         }
       },
-      error => {
+      (error: any) => {
         NotificationConsoleUtils.logConsoleMessage(
           ConsoleDataType.Error,
           `Could not download notebook ${JSON.stringify(error)}`
@@ -3013,7 +2922,7 @@ export default class Explorer implements ViewModels.Explorer {
   }
 
   private refreshNotebookList = async (): Promise<void> => {
-    if (!this.isNotebookEnabled() || !this.notebookContentClient) {
+    if (!this.isNotebookEnabled() || !this.notebookManager?.notebookContentClient) {
       return;
     }
 
@@ -3024,7 +2933,7 @@ export default class Explorer implements ViewModels.Explorer {
   };
 
   public deleteNotebookFile(item: NotebookContentItem): Promise<void> {
-    if (!this.isNotebookEnabled() || !this.notebookContentClient) {
+    if (!this.isNotebookEnabled() || !this.notebookManager?.notebookContentClient) {
       const error = "Attempt to delete notebook file, but notebook is not enabled";
       Logger.logError(error, "Explorer/deleteNotebookFile");
       NotificationConsoleUtils.logConsoleMessage(ConsoleDataType.Error, error);
@@ -3055,11 +2964,11 @@ export default class Explorer implements ViewModels.Explorer {
       return Promise.reject();
     }
 
-    return this.notebookContentClient.deleteContentItem(item).then(
+    return this.notebookManager?.notebookContentClient.deleteContentItem(item).then(
       () => {
         NotificationConsoleUtils.logConsoleMessage(ConsoleDataType.Info, `Successfully deleted: ${item.path}`);
       },
-      reason => {
+      (reason: any) => {
         NotificationConsoleUtils.logConsoleMessage(
           ConsoleDataType.Error,
           `Failed to delete "${item.path}": ${JSON.stringify(reason)}`
@@ -3072,7 +2981,7 @@ export default class Explorer implements ViewModels.Explorer {
    * This creates a new notebook file, then opens the notebook
    */
   public onNewNotebookClicked(parent?: NotebookContentItem): void {
-    if (!this.isNotebookEnabled() || !this.notebookContentClient) {
+    if (!this.isNotebookEnabled() || !this.notebookManager?.notebookContentClient) {
       const error = "Attempt to create new notebook, but notebook is not enabled";
       Logger.logError(error, "Explorer/onNewNotebookClicked");
       NotificationConsoleUtils.logConsoleMessage(ConsoleDataType.Error, error);
@@ -3092,7 +3001,7 @@ export default class Explorer implements ViewModels.Explorer {
       dataExplorerArea: Constants.Areas.Notebook
     });
 
-    this.notebookContentClient
+    this.notebookManager?.notebookContentClient
       .createNewNotebookFile(parent)
       .then((newFile: NotebookContentItem) => {
         NotificationConsoleUtils.logConsoleMessage(ConsoleDataType.Info, `Successfully created: ${newFile.name}`);
@@ -3108,7 +3017,7 @@ export default class Explorer implements ViewModels.Explorer {
         return this.openNotebook(newFile);
       })
       .then(() => this.resourceTree.triggerRender())
-      .catch(reason => {
+      .catch((reason: any) => {
         const error = `Failed to create a new notebook: ${reason}`;
         NotificationConsoleUtils.logConsoleMessage(ConsoleDataType.Error, error);
         TelemetryProcessor.traceFailure(
@@ -3158,14 +3067,14 @@ export default class Explorer implements ViewModels.Explorer {
   }
 
   public refreshContentItem(item: NotebookContentItem): Promise<void> {
-    if (!this.isNotebookEnabled() || !this.notebookContentClient) {
+    if (!this.isNotebookEnabled() || !this.notebookManager?.notebookContentClient) {
       const error = "Attempt to refresh notebook list, but notebook is not enabled";
       Logger.logError(error, "Explorer/refreshContentItem");
       NotificationConsoleUtils.logConsoleMessage(ConsoleDataType.Error, error);
       return Promise.reject(new Error(error));
     }
 
-    return this.notebookContentClient.updateItemChildren(item);
+    return this.notebookManager?.notebookContentClient.updateItemChildren(item);
   }
 
   public getNotebookBasePath(): string {
@@ -3234,7 +3143,7 @@ export default class Explorer implements ViewModels.Explorer {
     newTab.onTabClick();
   }
 
-  public openGallery() {
+  public async openGallery(notebookUrl?: string, galleryItem?: IGalleryItem, isFavorite?: boolean) {
     let title: string;
     let hashLocation: string;
 
@@ -3249,25 +3158,34 @@ export default class Explorer implements ViewModels.Explorer {
       if (openedTabs[i].hashLocation() == hashLocation) {
         openedTabs[i].onTabClick();
         openedTabs[i].onActivate();
+        (openedTabs[i] as any).updateGalleryParams(notebookUrl, galleryItem, isFavorite);
         return;
       }
     }
 
+    if (!this.galleryTab) {
+      this.galleryTab = await import(/* webpackChunkName: "GalleryTab" */ "./Tabs/GalleryTab");
+    }
+
     const newTab = new this.galleryTab.default({
+      // GalleryTabOptions
       account: CosmosClient.databaseAccount(),
+      container: this,
+      junoClient: this.notebookManager?.junoClient,
+      notebookUrl,
+      galleryItem,
+      isFavorite,
+      // TabOptions
       tabKind: ViewModels.CollectionTabKind.Gallery,
-      node: null,
       title: title,
       tabPath: title,
       documentClientUtility: null,
-      collection: null,
       selfLink: null,
-      hashLocation: hashLocation,
       isActive: ko.observable(false),
+      hashLocation: hashLocation,
+      onUpdateTabsButtons: this.onUpdateTabsButtons,
       isTabsContentExpanded: ko.observable(true),
       onLoadStartKey: null,
-      onUpdateTabsButtons: this.onUpdateTabsButtons,
-      container: this,
       openedTabs: this.openedTabs()
     });
 
@@ -3277,16 +3195,14 @@ export default class Explorer implements ViewModels.Explorer {
     newTab.onTabClick();
   }
 
-  public openNotebookViewer(
+  public async openNotebookViewer(notebookUrl: string) {
-    notebookUrl: string,
+    const title = path.basename(notebookUrl);
-    notebookMetadata: DataModels.NotebookMetadata,
-    onNotebookMetadataChange: (newNotebookMetadata: DataModels.NotebookMetadata) => Promise<void>,
-    isLikedNotebook: boolean
-  ) {
-    const notebookName = path.basename(notebookUrl);
-    const title = notebookName;
     const hashLocation = notebookUrl;
 
+    if (!this.notebookViewerTab) {
+      this.notebookViewerTab = await import(/* webpackChunkName: "NotebookViewerTab" */ "./Tabs/NotebookViewerTab");
+    }
+
     const notebookViewerTabModule = this.notebookViewerTab;
 
     let isNotebookViewerOpen = (tab: ViewModels.Tab) => {
@@ -3322,11 +3238,7 @@ export default class Explorer implements ViewModels.Explorer {
       onUpdateTabsButtons: this.onUpdateTabsButtons,
       container: this,
       openedTabs: this.openedTabs(),
-      notebookUrl: notebookUrl,
+      notebookUrl
-      notebookName: notebookName,
-      notebookMetadata: notebookMetadata,
-      onNotebookMetadataChange: onNotebookMetadataChange,
-      isLikedNotebook: isLikedNotebook
     });
 
     this.openedTabs.push(newTab);

src/Explorer/Menus/CommandBar/CommandBarComponentButtonFactory.test.ts

@@ -3,6 +3,7 @@ import * as ViewModels from "../../../Contracts/ViewModels";
 import { CommandBarComponentButtonFactory } from "./CommandBarComponentButtonFactory";
 import { ExplorerStub } from "../../OpenActionsStubs";
 import { GitHubOAuthService } from "../../../GitHub/GitHubOAuthService";
+import NotebookManager from "../../Notebook/NotebookManager";
 
 describe("CommandBarComponentButtonFactory tests", () => {
   let mockExplorer: ViewModels.Explorer;
@@ -19,6 +20,7 @@ describe("CommandBarComponentButtonFactory tests", () => {
       mockExplorer.isPreferredApiCassandra = ko.computed<boolean>(() => false);
       mockExplorer.isSparkEnabled = ko.observable(true);
       mockExplorer.isGalleryEnabled = ko.computed<boolean>(() => false);
+      mockExplorer.isGalleryPublishEnabled = ko.computed<boolean>(() => false);
       mockExplorer.hasAutoPilotV2FeatureFlag = ko.computed<boolean>(() => true);
       mockExplorer.isDatabaseNodeOrNoneSelected = () => true;
     });
@@ -81,6 +83,7 @@ describe("CommandBarComponentButtonFactory tests", () => {
       mockExplorer.isPreferredApiCassandra = ko.computed<boolean>(() => false);
       mockExplorer.isSparkEnabled = ko.observable(true);
       mockExplorer.isGalleryEnabled = ko.computed<boolean>(() => false);
+      mockExplorer.isGalleryPublishEnabled = ko.computed<boolean>(() => false);
       mockExplorer.hasAutoPilotV2FeatureFlag = ko.computed<boolean>(() => true);
       mockExplorer.isDatabaseNodeOrNoneSelected = () => true;
     });
@@ -161,6 +164,7 @@ describe("CommandBarComponentButtonFactory tests", () => {
       mockExplorer.isPreferredApiMongoDB = ko.computed<boolean>(() => false);
       mockExplorer.isSparkEnabled = ko.observable(true);
       mockExplorer.isGalleryEnabled = ko.computed<boolean>(() => false);
+      mockExplorer.isGalleryPublishEnabled = ko.computed<boolean>(() => false);
       mockExplorer.hasAutoPilotV2FeatureFlag = ko.computed<boolean>(() => true);
       mockExplorer.isDatabaseNodeOrNoneSelected = () => true;
     });
@@ -247,7 +251,9 @@ describe("CommandBarComponentButtonFactory tests", () => {
       mockExplorer.isNotebooksEnabledForAccount = ko.observable(false);
       mockExplorer.isRunningOnNationalCloud = ko.observable(false);
       mockExplorer.isGalleryEnabled = ko.computed<boolean>(() => false);
-      mockExplorer.gitHubOAuthService = new GitHubOAuthService(undefined);
+      mockExplorer.isGalleryPublishEnabled = ko.computed<boolean>(() => false);
+      mockExplorer.notebookManager = new NotebookManager();
+      mockExplorer.notebookManager.gitHubOAuthService = new GitHubOAuthService(undefined);
     });
 
     beforeEach(() => {
@@ -268,7 +274,7 @@ describe("CommandBarComponentButtonFactory tests", () => {
 
     it("Notebooks is enabled and GitHubOAuthService is logged in - manage github settings button should be visible", () => {
       mockExplorer.isNotebookEnabled = ko.observable(true);
-      mockExplorer.gitHubOAuthService.isLoggedIn = jest.fn().mockReturnValue(true);
+      mockExplorer.notebookManager.gitHubOAuthService.isLoggedIn = jest.fn().mockReturnValue(true);
 
       const buttons = CommandBarComponentButtonFactory.createStaticCommandBarButtons(mockExplorer);
       const manageGitHubSettingsBtn = buttons.find(

src/Explorer/Menus/CommandBar/CommandBarComponentButtonFactory.ts

@@ -26,7 +26,6 @@ import EnableNotebooksIcon from "../../../../images/notebook/Notebook-enable.svg
 import NewNotebookIcon from "../../../../images/notebook/Notebook-new.svg";
 import ResetWorkspaceIcon from "../../../../images/notebook/Notebook-reset-workspace.svg";
 import LibraryManageIcon from "../../../../images/notebook/Spark-library-manage.svg";
-import GalleryIcon from "../../../../images/GalleryIcon.svg";
 import GitHubIcon from "../../../../images/github.svg";
 import SynapseIcon from "../../../../images/synapse-link.svg";
 import { config, Platform } from "../../../Config";
@@ -64,7 +63,7 @@ export class CommandBarComponentButtonFactory {
       ];
       buttons.push(newNotebookButton);
 
-      if (container.gitHubOAuthService) {
+      if (container.notebookManager?.gitHubOAuthService) {
         buttons.push(CommandBarComponentButtonFactory.createManageGitHubAccountButton(container));
       }
     }
@@ -87,10 +86,6 @@ export class CommandBarComponentButtonFactory {
       buttons.push(CommandBarComponentButtonFactory.createOpenTerminalButton(container));
 
       buttons.push(CommandBarComponentButtonFactory.createNotebookWorkspaceResetButton(container));
-
-      if (container.isGalleryEnabled()) {
-        buttons.push(CommandBarComponentButtonFactory.createGalleryButton(container));
-      }
     }
 
     // TODO: Should be replaced with the create arcadia spark pool button
@@ -575,19 +570,6 @@ export class CommandBarComponentButtonFactory {
     };
   }
 
-  private static createGalleryButton(container: ViewModels.Explorer): ViewModels.NavbarButtonConfig {
-    const label = "View Gallery";
-    return {
-      iconSrc: GalleryIcon,
-      iconAlt: label,
-      onCommandClick: () => container.openGallery(),
-      commandButtonLabel: label,
-      hasPopup: false,
-      disabled: false,
-      ariaLabel: label
-    };
-  }
-
   private static createOpenMongoTerminalButton(container: ViewModels.Explorer): ViewModels.NavbarButtonConfig {
     const label = "Open Mongo Shell";
     const tooltip =
@@ -654,7 +636,7 @@ export class CommandBarComponentButtonFactory {
   }
 
   private static createManageGitHubAccountButton(container: ViewModels.Explorer): ViewModels.NavbarButtonConfig {
-    let connectedToGitHub: boolean = container.gitHubOAuthService.isLoggedIn();
+    let connectedToGitHub: boolean = container.notebookManager?.gitHubOAuthService.isLoggedIn();
     const label = connectedToGitHub ? "Manage GitHub settings" : "Connect to GitHub";
     return {
       iconSrc: GitHubIcon,

src/Explorer/Menus/CommandBar/CommandBarUtil.tsx

@@ -36,11 +36,12 @@ export class CommandBarUtil {
 
           const result: ICommandBarItemProps = {
             iconProps: {
-              iconType: IconType.image,
               style: {
-                width: StyleConstants.CommandBarIconWidth // 16
+                width: StyleConstants.CommandBarIconWidth, // 16
+                alignSelf: btn.iconName ? "baseline" : undefined
               },
-              imageProps: { src: btn.iconSrc, alt: btn.iconAlt }
+              imageProps: btn.iconSrc ? { src: btn.iconSrc, alt: btn.iconAlt } : undefined,
+              iconName: btn.iconName
             },
             onClick: btn.onCommandClick,
             key: `${btn.commandButtonLabel}${index}`,

src/Explorer/Notebook/NotebookComponent/NotebookComponentBootstrapper.tsx

@@ -17,7 +17,7 @@ import {
 } from "@nteract/core";
 import * as Immutable from "immutable";
 import { Provider } from "react-redux";
-import { CellType, CellId } from "@nteract/commutable";
+import { CellType, CellId, toJS } from "@nteract/commutable";
 import { Store, AnyAction } from "redux";
 
 import "./NotebookComponent.less";
@@ -71,6 +71,28 @@ export class NotebookComponentBootstrapper {
     );
   }
 
+  public getContent(): { name: string; content: string } {
+    const record = this.getStore()
+      .getState()
+      .core.entities.contents.byRef.get(this.contentRef);
+    let content: string;
+    switch (record.model.type) {
+      case "notebook":
+        content = JSON.stringify(toJS(record.model.notebook));
+        break;
+      case "file":
+        content = record.model.text;
+        break;
+      default:
+        throw new Error(`Unsupported model type ${record.model.type}`);
+    }
+
+    return {
+      name: NotebookUtil.getName(record.filepath),
+      content
+    };
+  }
+
   public setContent(name: string, content: any): void {
     this.getStore().dispatch(
       actions.fetchContentFulfilled({

src/Explorer/Notebook/NotebookManager.ts

@@ -0,0 +1,168 @@
+/*
+ * Contains all notebook related stuff meant to be dynamically loaded by explorer
+ */
+
+import { JunoClient } from "../../Juno/JunoClient";
+import * as ViewModels from "../../Contracts/ViewModels";
+import { GitHubOAuthService } from "../../GitHub/GitHubOAuthService";
+import { GitHubClient } from "../../GitHub/GitHubClient";
+import { config } from "../../Config";
+import * as Logger from "../../Common/Logger";
+import { HttpStatusCodes, Areas } from "../../Common/Constants";
+import { GitHubReposPane } from "../Panes/GitHubReposPane";
+import ko from "knockout";
+import TelemetryProcessor from "../../Shared/Telemetry/TelemetryProcessor";
+import { Action, ActionModifiers } from "../../Shared/Telemetry/TelemetryConstants";
+import { IContentProvider } from "@nteract/core";
+import { NotebookContentProvider } from "./NotebookComponent/NotebookContentProvider";
+import { GitHubContentProvider } from "../../GitHub/GitHubContentProvider";
+import { contents } from "rx-jupyter";
+import { NotebookContainerClient } from "./NotebookContainerClient";
+import { MemoryUsageInfo } from "../../Contracts/DataModels";
+import { NotebookContentClient } from "./NotebookContentClient";
+import { DialogProps } from "../Controls/DialogReactComponent/DialogComponent";
+import { ResourceTreeAdapter } from "../Tree/ResourceTreeAdapter";
+import { PublishNotebookPaneAdapter } from "../Panes/PublishNotebookPaneAdapter";
+import { getFullName } from "../../Utils/UserUtils";
+
+export interface NotebookManagerOptions {
+  container: ViewModels.Explorer;
+  notebookBasePath: ko.Observable<string>;
+  dialogProps: ko.Observable<DialogProps>;
+  resourceTree: ResourceTreeAdapter;
+  refreshCommandBarButtons: () => void;
+  refreshNotebookList: () => void;
+}
+
+export default class NotebookManager {
+  private params: NotebookManagerOptions;
+  public junoClient: JunoClient;
+
+  public notebookContentProvider: IContentProvider;
+  public notebookClient: ViewModels.INotebookContainerClient;
+  public notebookContentClient: ViewModels.INotebookContentClient;
+
+  private gitHubContentProvider: GitHubContentProvider;
+  public gitHubOAuthService: GitHubOAuthService;
+  private gitHubClient: GitHubClient;
+
+  public gitHubReposPane: ViewModels.ContextualPane;
+  public publishNotebookPaneAdapter: PublishNotebookPaneAdapter;
+
+  public initialize(params: NotebookManagerOptions): void {
+    this.params = params;
+    this.junoClient = new JunoClient(this.params.container.databaseAccount);
+
+    this.gitHubOAuthService = new GitHubOAuthService(this.junoClient);
+    this.gitHubClient = new GitHubClient(config.AZURESAMPLESCOSMOSDBPAT, this.onGitHubClientError);
+    this.gitHubReposPane = new GitHubReposPane({
+      documentClientUtility: this.params.container.documentClientUtility,
+      id: "gitHubReposPane",
+      visible: ko.observable<boolean>(false),
+      container: this.params.container,
+      junoClient: this.junoClient,
+      gitHubClient: this.gitHubClient
+    });
+
+    this.gitHubContentProvider = new GitHubContentProvider({
+      gitHubClient: this.gitHubClient,
+      promptForCommitMsg: this.promptForCommitMsg
+    });
+
+    this.notebookContentProvider = new NotebookContentProvider(
+      this.gitHubContentProvider,
+      contents.JupyterContentProvider
+    );
+
+    this.notebookClient = new NotebookContainerClient(
+      this.params.container.notebookServerInfo,
+      () => this.params.container.initNotebooks(this.params.container.databaseAccount()),
+      (update: MemoryUsageInfo) => this.params.container.memoryUsageInfo(update)
+    );
+
+    this.notebookContentClient = new NotebookContentClient(
+      this.params.container.notebookServerInfo,
+      this.params.notebookBasePath,
+      this.notebookContentProvider
+    );
+
+    if (this.params.container.isGalleryPublishEnabled()) {
+      this.publishNotebookPaneAdapter = new PublishNotebookPaneAdapter(this.params.container, this.junoClient);
+    }
+
+    this.gitHubOAuthService.getTokenObservable().subscribe(token => {
+      this.gitHubClient.setToken(token?.access_token ? token.access_token : config.AZURESAMPLESCOSMOSDBPAT);
+
+      if (this.gitHubReposPane.visible()) {
+        this.gitHubReposPane.open();
+      }
+
+      this.params.refreshCommandBarButtons();
+      this.params.refreshNotebookList();
+    });
+
+    this.junoClient.subscribeToPinnedRepos(pinnedRepos => {
+      this.params.resourceTree.initializeGitHubRepos(pinnedRepos);
+      this.params.resourceTree.triggerRender();
+    });
+    this.junoClient.getPinnedRepos(this.gitHubOAuthService.getTokenObservable()()?.scope);
+  }
+
+  public openPublishNotebookPane(name: string, content: string): void {
+    this.publishNotebookPaneAdapter.open(name, getFullName(), content);
+  }
+
+  // Octokit's error handler uses any
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  private onGitHubClientError = (error: any): void => {
+    Logger.logError(error, "NotebookManager/onGitHubClientError");
+
+    if (error.status === HttpStatusCodes.Unauthorized) {
+      this.gitHubOAuthService.resetToken();
+
+      this.params.container.showOkCancelModalDialog(
+        undefined,
+        "Cosmos DB cannot access your Github account anymore. Please connect to GitHub again.",
+        "Connect to GitHub",
+        () => this.gitHubReposPane.open(),
+        "Cancel",
+        undefined
+      );
+    }
+  };
+
+  private promptForCommitMsg = (title: string, primaryButtonLabel: string) => {
+    return new Promise<string>((resolve, reject) => {
+      let commitMsg = "Committed from Azure Cosmos DB Notebooks";
+      this.params.container.showOkCancelTextFieldModalDialog(
+        title || "Commit",
+        undefined,
+        primaryButtonLabel || "Commit",
+        () => {
+          TelemetryProcessor.trace(Action.NotebooksGitHubCommit, ActionModifiers.Mark, {
+            databaseAccountName:
+              this.params.container.databaseAccount() && this.params.container.databaseAccount().name,
+            defaultExperience: this.params.container.defaultExperience && this.params.container.defaultExperience(),
+            dataExplorerArea: Areas.Notebook
+          });
+          resolve(commitMsg);
+        },
+        "Cancel",
+        () => reject(new Error("Commit dialog canceled")),
+        {
+          label: "Commit message",
+          autoAdjustHeight: true,
+          multiline: true,
+          defaultValue: commitMsg,
+          rows: 3,
+          onChange: (_, newValue: string) => {
+            commitMsg = newValue;
+            this.params.dialogProps().primaryButtonDisabled = !commitMsg;
+            this.params.dialogProps.valueHasMutated();
+          }
+        },
+        !commitMsg
+      );
+    });
+  };
+}

src/Explorer/OpenActionsStubs.ts

@@ -6,8 +6,6 @@ import Q from "q";
 import { ArcadiaWorkspaceItem } from "./Controls/Arcadia/ArcadiaMenuPicker";
 import { CassandraTableKey, CassandraTableKeys, TableDataClient } from "../../src/Explorer/Tables/TableDataClient";
 import { ConsoleData } from "../../src/Explorer/Menus/NotificationConsole/NotificationConsoleComponent";
-import { GitHubOAuthService } from "../GitHub/GitHubOAuthService";
-import { IContentProvider } from "@nteract/core";
 import { MostRecentActivity } from "./MostRecentActivity/MostRecentActivity";
 import { NotebookContentItem } from "./Notebook/NotebookContentItem";
 import { PlatformType } from "../../src/PlatformType";
@@ -22,6 +20,8 @@ import { UploadFilePane } from "./Panes/UploadFilePane";
 import { UploadItemsPaneAdapter } from "./Panes/UploadItemsPaneAdapter";
 import { Versions } from "../../src/Contracts/ExplorerContracts";
 import { CollectionCreationDefaults } from "../Shared/Constants";
+import { IGalleryItem } from "../Juno/JunoClient";
+import { ReactAdapter } from "../Bindings/ReactBindingHandler";
 
 export class ExplorerStub implements ViewModels.Explorer {
   public flight: ko.Observable<string>;
@@ -97,7 +97,9 @@ export class ExplorerStub implements ViewModels.Explorer {
   public setupSparkClusterPane: ViewModels.ContextualPane;
   public manageSparkClusterPane: ViewModels.ContextualPane;
   public isGalleryEnabled: ko.Computed<boolean>;
+  public isGalleryPublishEnabled: ko.Computed<boolean>;
   public isGitHubPaneEnabled: ko.Observable<boolean>;
+  public isPublishNotebookPaneEnabled: ko.Observable<boolean>;
   public isRightPanelV2Enabled: ko.Computed<boolean>;
   public canExceedMaximumValue: ko.Computed<boolean>;
   public isHostedDataExplorerEnabled: ko.Computed<boolean>;
@@ -111,19 +113,19 @@ export class ExplorerStub implements ViewModels.Explorer {
   public arcadiaToken: ko.Observable<string>;
   public notebookWorkspaceManager: ViewModels.NotebookWorkspaceManager;
   public sparkClusterManager: ViewModels.SparkClusterManager;
-  public notebookContentProvider: IContentProvider;
-  public gitHubOAuthService: GitHubOAuthService;
   public notebookServerInfo: ko.Observable<DataModels.NotebookWorkspaceConnectionInfo>;
   public sparkClusterConnectionInfo: ko.Observable<DataModels.SparkClusterConnectionInfo>;
   public libraryManagePane: ViewModels.ContextualPane;
   public clusterLibraryPane: ViewModels.ContextualPane;
   public gitHubReposPane: ViewModels.ContextualPane;
+  public publishNotebookPaneAdapter: ReactAdapter;
   public arcadiaWorkspaces: ko.ObservableArray<ArcadiaWorkspaceItem>;
   public hasStorageAnalyticsAfecFeature: ko.Observable<boolean>;
   public isSynapseLinkUpdating: ko.Observable<boolean>;
   public isNotebookTabActive: ko.Computed<boolean>;
   public memoryUsageInfo: ko.Observable<DataModels.MemoryUsageInfo>;
-  public openGallery: () => void;
+  public notebookManager?: any;
+  public openGallery: (notebookUrl?: string, galleryItem?: IGalleryItem, isFavorite?: boolean) => void;
   public openNotebookViewer: (notebookUrl: string) => void;
   public resourceTokenDatabaseId: ko.Observable<string>;
   public resourceTokenCollectionId: ko.Observable<string>;
@@ -331,7 +333,11 @@ export class ExplorerStub implements ViewModels.Explorer {
     throw new Error("Not implemented");
   }
 
-  public importAndOpenFromGallery(path: string, newName: string, content: any): Promise<boolean> {
+  public importAndOpenFromGallery(name: string, content: string): Promise<boolean> {
+    throw new Error("Not implemented");
+  }
+
+  public publishNotebook(name: string, content: string): void {
     throw new Error("Not implemented");
   }
 

src/Explorer/Panes/GitHubReposPane.ts

@@ -132,12 +132,13 @@ export class GitHubReposPane extends ContextualPaneBase {
 
   private getOAuthScope(): string {
     return (
-      this.container.gitHubOAuthService?.getTokenObservable()()?.scope || AuthorizeAccessComponent.Scopes.Public.key
+      this.container.notebookManager?.gitHubOAuthService.getTokenObservable()()?.scope ||
+      AuthorizeAccessComponent.Scopes.Public.key
     );
   }
 
   private setup(forceShowConnectToGitHub = false): void {
-    forceShowConnectToGitHub || !this.container.gitHubOAuthService.isLoggedIn()
+    forceShowConnectToGitHub || !this.container.notebookManager?.gitHubOAuthService.isLoggedIn()
       ? this.setupForConnectToGitHub()
       : this.setupForManageRepos();
   }
@@ -294,7 +295,7 @@ export class GitHubReposPane extends ContextualPaneBase {
 
     try {
       const response = await this.junoClient.getPinnedRepos(
-        this.container.gitHubOAuthService?.getTokenObservable()()?.scope
+        this.container.notebookManager?.gitHubOAuthService.getTokenObservable()()?.scope
       );
       if (response.status !== HttpStatusCodes.OK && response.status !== HttpStatusCodes.NoContent) {
         throw new Error(`Received HTTP ${response.status} when fetching pinned repos`);
@@ -350,7 +351,7 @@ export class GitHubReposPane extends ContextualPaneBase {
       dataExplorerArea: Areas.Notebook,
       scopesSelected: scope
     });
-    this.container.gitHubOAuthService.startOAuth(scope);
+    this.container.notebookManager?.gitHubOAuthService.startOAuth(scope);
   }
 
   private triggerRender(): void {

src/Explorer/Panes/PublishNotebookPaneAdapter.tsx

@@ -0,0 +1,164 @@
+import ko from "knockout";
+import { ITextFieldProps, Stack, Text, TextField } from "office-ui-fabric-react";
+import * as React from "react";
+import { ReactAdapter } from "../../Bindings/ReactBindingHandler";
+import * as Logger from "../../Common/Logger";
+import * as ViewModels from "../../Contracts/ViewModels";
+import { JunoClient } from "../../Juno/JunoClient";
+import { NotificationConsoleUtils } from "../../Utils/NotificationConsoleUtils";
+import { ConsoleDataType } from "../Menus/NotificationConsole/NotificationConsoleComponent";
+import { FileSystemUtil } from "../Notebook/FileSystemUtil";
+import { GenericRightPaneComponent, GenericRightPaneProps } from "./GenericRightPaneComponent";
+
+export class PublishNotebookPaneAdapter implements ReactAdapter {
+  parameters: ko.Observable<number>;
+  private isOpened: boolean;
+  private isExecuting: boolean;
+  private formError: string;
+  private formErrorDetail: string;
+
+  private name: string;
+  private author: string;
+  private content: string;
+  private description: string;
+  private tags: string;
+  private thumbnailUrl: string;
+
+  constructor(private container: ViewModels.Explorer, private junoClient: JunoClient) {
+    this.parameters = ko.observable(Date.now());
+    this.reset();
+    this.triggerRender();
+  }
+
+  public renderComponent(): JSX.Element {
+    if (!this.isOpened) {
+      return undefined;
+    }
+
+    const props: GenericRightPaneProps = {
+      container: this.container,
+      content: this.createContent(),
+      formError: this.formError,
+      formErrorDetail: this.formErrorDetail,
+      id: "publishnotebookpane",
+      isExecuting: this.isExecuting,
+      title: "Publish to gallery",
+      submitButtonText: "Publish",
+      onClose: () => this.close(),
+      onSubmit: () => this.submit()
+    };
+
+    return <GenericRightPaneComponent {...props} />;
+  }
+
+  public triggerRender(): void {
+    window.requestAnimationFrame(() => this.parameters(Date.now()));
+  }
+
+  public open(name: string, author: string, content: string): void {
+    this.name = name;
+    this.author = author;
+    this.content = content;
+
+    this.isOpened = true;
+    this.triggerRender();
+  }
+
+  public close(): void {
+    this.reset();
+    this.triggerRender();
+  }
+
+  public async submit(): Promise<void> {
+    const notificationId = NotificationConsoleUtils.logConsoleMessage(
+      ConsoleDataType.InProgress,
+      `Publishing ${this.name} to gallery`
+    );
+    this.isExecuting = true;
+    this.triggerRender();
+
+    try {
+      if (!this.name || !this.description || !this.author) {
+        throw new Error("Name, description, and author are required");
+      }
+
+      const response = await this.junoClient.publishNotebook(
+        this.name,
+        this.description,
+        this.tags?.split(","),
+        this.author,
+        this.thumbnailUrl,
+        this.content
+      );
+      if (!response.data) {
+        throw new Error(`Received HTTP ${response.status} when publishing ${name} to gallery`);
+      }
+
+      NotificationConsoleUtils.logConsoleMessage(ConsoleDataType.Info, `Published ${name} to gallery`);
+    } catch (error) {
+      this.formError = `Failed to publish ${this.name} to gallery`;
+      this.formErrorDetail = `${error}`;
+
+      const message = `${this.formError}: ${this.formErrorDetail}`;
+      Logger.logError(message, "PublishNotebookPaneAdapter/submit");
+      NotificationConsoleUtils.logConsoleMessage(ConsoleDataType.Error, message);
+      return;
+    } finally {
+      NotificationConsoleUtils.clearInProgressMessageWithId(notificationId);
+      this.isExecuting = false;
+      this.triggerRender();
+    }
+
+    this.close();
+  }
+
+  private createContent = (): JSX.Element => {
+    const descriptionPara1 =
+      "This notebook has your data. Please make sure you delete any sensitive data/output before publishing.";
+    const descriptionPara2 = `Would you like to publish and share ${FileSystemUtil.stripExtension(
+      this.name,
+      "ipynb"
+    )} to the gallery?`;
+    const descriptionProps: ITextFieldProps = {
+      label: "Description",
+      ariaLabel: "Description",
+      multiline: true,
+      rows: 3,
+      required: true,
+      onChange: (event, newValue) => (this.description = newValue)
+    };
+    const tagsProps: ITextFieldProps = {
+      label: "Tags",
+      ariaLabel: "Tags",
+      placeholder: "Optional tag 1, Optional tag 2",
+      onChange: (event, newValue) => (this.tags = newValue)
+    };
+    const thumbnailProps: ITextFieldProps = {
+      label: "Cover image url",
+      ariaLabel: "Cover image url",
+      onChange: (event, newValue) => (this.thumbnailUrl = newValue)
+    };
+
+    return (
+      <div className="panelContent">
+        <Stack className="paneMainContent" tokens={{ childrenGap: 20 }}>
+          <Text>{descriptionPara1}</Text>
+          <Text>{descriptionPara2}</Text>
+          <TextField {...descriptionProps} />
+          <TextField {...tagsProps} />
+          <TextField {...thumbnailProps} />
+        </Stack>
+      </div>
+    );
+  };
+
+  private reset = (): void => {
+    this.isOpened = false;
+    this.isExecuting = false;
+    this.formError = undefined;
+    this.formErrorDetail = undefined;
+    this.name = undefined;
+    this.author = undefined;
+    this.content = undefined;
+  };
+}

src/Explorer/Tabs/GalleryTab.tsx

@@ -1,45 +1,151 @@
 import * as ko from "knockout";
-import * as ViewModels from "../../Contracts/ViewModels";
-import TabsBase from "./TabsBase";
 import * as React from "react";
 import { ReactAdapter } from "../../Bindings/ReactBindingHandler";
-import { GalleryViewerContainerComponent } from "../Controls/NotebookGallery/GalleryViewerComponent";
+import * as ViewModels from "../../Contracts/ViewModels";
+import { IGalleryItem, JunoClient } from "../../Juno/JunoClient";
+import * as GalleryUtils from "../../Utils/GalleryUtils";
+import {
+  GalleryTab as GalleryViewerTab,
+  GalleryViewerComponent,
+  GalleryViewerComponentProps,
+  SortBy
+} from "../Controls/NotebookGallery/GalleryViewerComponent";
+import {
+  NotebookViewerComponent,
+  NotebookViewerComponentProps
+} from "../Controls/NotebookViewer/NotebookViewerComponent";
+import TabsBase from "./TabsBase";
 
 /**
  * Notebook gallery tab
  */
+interface GalleryComponentAdapterProps {
+  container: ViewModels.Explorer;
+  junoClient: JunoClient;
+  notebookUrl: string;
+  galleryItem: IGalleryItem;
+  isFavorite: boolean;
+  selectedTab: GalleryViewerTab;
+  sortBy: SortBy;
+  searchText: string;
+}
+
+interface GalleryComponentAdapterState {
+  notebookUrl: string;
+  galleryItem: IGalleryItem;
+  isFavorite: boolean;
+  selectedTab: GalleryViewerTab;
+  sortBy: SortBy;
+  searchText: string;
+}
+
 class GalleryComponentAdapter implements ReactAdapter {
-  public parameters: ko.Computed<boolean>;
+  public parameters: ko.Observable<number>;
-  constructor(private getContainer: () => ViewModels.Explorer) {}
+  private state: GalleryComponentAdapterState;
+
+  constructor(private props: GalleryComponentAdapterProps) {
+    this.parameters = ko.observable<number>(Date.now());
+    this.state = {
+      notebookUrl: props.notebookUrl,
+      galleryItem: props.galleryItem,
+      isFavorite: props.isFavorite,
+      selectedTab: props.selectedTab,
+      sortBy: props.sortBy,
+      searchText: props.searchText
+    };
+  }
 
   public renderComponent(): JSX.Element {
-    return this.parameters() ? <GalleryViewerContainerComponent container={this.getContainer()} /> : <></>;
+    if (this.state.notebookUrl) {
+      const props: NotebookViewerComponentProps = {
+        container: this.props.container,
+        junoClient: this.props.junoClient,
+        notebookUrl: this.state.notebookUrl,
+        galleryItem: this.state.galleryItem,
+        isFavorite: this.state.isFavorite,
+        backNavigationText: GalleryUtils.getTabTitle(this.state.selectedTab),
+        onBackClick: this.onBackClick,
+        onTagClick: this.loadTaggedItems
+      };
+
+      return <NotebookViewerComponent {...props} />;
     }
+
+    const props: GalleryViewerComponentProps = {
+      container: this.props.container,
+      junoClient: this.props.junoClient,
+      selectedTab: this.state.selectedTab,
+      sortBy: this.state.sortBy,
+      searchText: this.state.searchText,
+      onSelectedTabChange: this.onSelectedTabChange,
+      onSortByChange: this.onSortByChange,
+      onSearchTextChange: this.onSearchTextChange
+    };
+
+    return <GalleryViewerComponent {...props} />;
+  }
+
+  public setState(state: Partial<GalleryComponentAdapterState>): void {
+    this.state = Object.assign(this.state, state);
+    window.requestAnimationFrame(() => this.parameters(Date.now()));
+  }
+
+  private onBackClick = (): void => {
+    this.props.container.openGallery();
+  };
+
+  private loadTaggedItems = (tag: string): void => {
+    this.setState({
+      notebookUrl: undefined,
+      searchText: tag
+    });
+  };
+
+  private onSelectedTabChange = (selectedTab: GalleryViewerTab): void => {
+    this.state.selectedTab = selectedTab;
+  };
+
+  private onSortByChange = (sortBy: SortBy): void => {
+    this.state.sortBy = sortBy;
+  };
+
+  private onSearchTextChange = (searchText: string): void => {
+    this.state.searchText = searchText;
+  };
 }
 
 export default class GalleryTab extends TabsBase implements ViewModels.Tab {
   private container: ViewModels.Explorer;
+  private galleryComponentAdapterProps: GalleryComponentAdapterProps;
   private galleryComponentAdapter: GalleryComponentAdapter;
 
   constructor(options: ViewModels.GalleryTabOptions) {
     super(options);
-    this.container = options.container;
-    this.galleryComponentAdapter = new GalleryComponentAdapter(() => this.getContainer());
 
-    this.galleryComponentAdapter.parameters = ko.computed<boolean>(() => {
+    this.container = options.container;
-      return this.isTemplateReady() && this.container.isNotebookEnabled();
+    this.galleryComponentAdapterProps = {
-    });
+      container: options.container,
+      junoClient: options.junoClient,
+      notebookUrl: options.notebookUrl,
+      galleryItem: options.galleryItem,
+      isFavorite: options.isFavorite,
+      selectedTab: GalleryViewerTab.OfficialSamples,
+      sortBy: SortBy.MostViewed,
+      searchText: undefined
+    };
+
+    this.galleryComponentAdapter = new GalleryComponentAdapter(this.galleryComponentAdapterProps);
   }
 
   protected getContainer(): ViewModels.Explorer {
     return this.container;
   }
 
-  protected getTabsButtons(): ViewModels.NavbarButtonConfig[] {
+  public updateGalleryParams(notebookUrl?: string, galleryItem?: IGalleryItem, isFavorite?: boolean): void {
-    return [];
+    this.galleryComponentAdapter.setState({
-  }
+      notebookUrl,
-
+      galleryItem,
-  protected buildCommandBarOptions(): void {
+      isFavorite
-    this.updateNavbarWithTabsButtons();
+    });
   }
 }

src/Explorer/Tabs/NotebookV2Tab.ts

@@ -45,7 +45,7 @@ export default class NotebookTabV2 extends TabsBase implements ViewModels.Tab {
         connectionInfo: this.container.notebookServerInfo(),
         databaseAccountName: this.container.databaseAccount().name,
         defaultExperience: this.container.defaultExperience(),
-        contentProvider: this.container.notebookContentProvider
+        contentProvider: this.container.notebookManager?.notebookContentProvider
       });
     }
 
@@ -112,6 +112,7 @@ export default class NotebookTabV2 extends TabsBase implements ViewModels.Tab {
     const availableKernels = NotebookTabV2.clientManager.getAvailableKernelSpecs();
 
     const saveLabel = "Save";
+    const publishLabel = "Publish to gallery";
     const workspaceLabel = "No Workspace";
     const kernelLabel = "No Kernel";
     const runLabel = "Run";
@@ -142,8 +143,28 @@ export default class NotebookTabV2 extends TabsBase implements ViewModels.Tab {
         commandButtonLabel: saveLabel,
         hasPopup: false,
         disabled: false,
+        ariaLabel: saveLabel,
+        children: this.container.isGalleryPublishEnabled()
+          ? [
+              {
+                iconName: "Save",
+                onCommandClick: () => this.notebookComponentAdapter.notebookSave(),
+                commandButtonLabel: saveLabel,
+                hasPopup: false,
+                disabled: false,
                 ariaLabel: saveLabel
               },
+              {
+                iconName: "PublishContent",
+                onCommandClick: () => this.publishToGallery(),
+                commandButtonLabel: publishLabel,
+                hasPopup: false,
+                disabled: false,
+                ariaLabel: publishLabel
+              }
+            ]
+          : undefined
+      },
       {
         iconSrc: null,
         iconAlt: kernelLabel,
@@ -425,6 +446,11 @@ export default class NotebookTabV2 extends TabsBase implements ViewModels.Tab {
     );
   }
 
+  private publishToGallery = () => {
+    const notebookContent = this.notebookComponentAdapter.getContent();
+    this.container.publishNotebook(notebookContent.name, notebookContent.content);
+  };
+
   private traceTelemetry(actionType: number) {
     TelemetryProcessor.trace(actionType, ActionModifiers.Mark, {
       databaseAccountName: this.container.databaseAccount() && this.container.databaseAccount().name,

src/Explorer/Tabs/NotebookViewerTab.tsx

@@ -1,10 +1,12 @@
 import * as ko from "knockout";
-import * as ViewModels from "../../Contracts/ViewModels";
-import * as DataModels from "../../Contracts/DataModels";
-import TabsBase from "./TabsBase";
 import * as React from "react";
 import { ReactAdapter } from "../../Bindings/ReactBindingHandler";
-import { NotebookViewerComponent } from "../Controls/NotebookViewer/NotebookViewerComponent";
+import * as ViewModels from "../../Contracts/ViewModels";
+import {
+  NotebookViewerComponent,
+  NotebookViewerComponentProps
+} from "../Controls/NotebookViewer/NotebookViewerComponent";
+import TabsBase from "./TabsBase";
 
 /**
  * Notebook Viewer tab
@@ -12,48 +14,32 @@ import { NotebookViewerComponent } from "../Controls/NotebookViewer/NotebookView
 class NotebookViewerComponentAdapter implements ReactAdapter {
   // parameters: true: show, false: hide
   public parameters: ko.Computed<boolean>;
-  constructor(
+  constructor(private notebookUrl: string) {}
-    private notebookUrl: string,
-    private notebookName: string,
-    private container: ViewModels.Explorer,
-    private notebookMetadata: DataModels.NotebookMetadata,
-    private onNotebookMetadataChange: (newNotebookMetadata: DataModels.NotebookMetadata) => Promise<void>,
-    private isLikedNotebook: boolean
-  ) {}
 
   public renderComponent(): JSX.Element {
-    return this.parameters() ? (
+    const props: NotebookViewerComponentProps = {
-      <NotebookViewerComponent
+      notebookUrl: this.notebookUrl,
-        notebookUrl={this.notebookUrl}
+      backNavigationText: undefined,
-        notebookMetadata={this.notebookMetadata}
+      onBackClick: undefined,
-        notebookName={this.notebookName}
+      onTagClick: undefined
-        container={this.container}
+    };
-        onNotebookMetadataChange={this.onNotebookMetadataChange}
+
-        isLikedNotebook={this.isLikedNotebook}
+    return this.parameters() ? <NotebookViewerComponent {...props} /> : <></>;
-      />
-    ) : (
-      <></>
-    );
   }
 }
 
 export default class NotebookViewerTab extends TabsBase implements ViewModels.Tab {
   private container: ViewModels.Explorer;
-  public notebookViewerComponentAdapter: NotebookViewerComponentAdapter;
   public notebookUrl: string;
 
+  public notebookViewerComponentAdapter: NotebookViewerComponentAdapter;
+
   constructor(options: ViewModels.NotebookViewerTabOptions) {
     super(options);
     this.container = options.container;
     this.notebookUrl = options.notebookUrl;
-    this.notebookViewerComponentAdapter = new NotebookViewerComponentAdapter(
+
-      options.notebookUrl,
+    this.notebookViewerComponentAdapter = new NotebookViewerComponentAdapter(options.notebookUrl);
-      options.notebookName,
-      options.container,
-      options.notebookMetadata,
-      options.onNotebookMetadataChange,
-      options.isLikedNotebook
-    );
 
     this.notebookViewerComponentAdapter.parameters = ko.computed<boolean>(() => {
       if (this.isTemplateReady() && this.container.isNotebookEnabled()) {

src/Explorer/Tree/ResourceTreeAdapter.tsx

@@ -19,12 +19,15 @@ import { ArrayHashMap } from "../../Common/ArrayHashMap";
 import { NotebookUtil } from "../Notebook/NotebookUtil";
 import _ from "underscore";
 import { StringUtils } from "../../Utils/StringUtils";
-import { JunoClient, IPinnedRepo } from "../../Juno/JunoClient";
+import { IPinnedRepo } from "../../Juno/JunoClient";
 import TelemetryProcessor from "../../Shared/Telemetry/TelemetryProcessor";
 import { Action, ActionModifiers } from "../../Shared/Telemetry/TelemetryConstants";
 import { Areas } from "../../Common/Constants";
 import * as GitHubUtils from "../../Utils/GitHubUtils";
 import { SamplesRepo, SamplesBranch } from "../Notebook/NotebookSamples";
+import GalleryIcon from "../../../images/GalleryIcon.svg";
+import { Callout, Text, Link, DirectionalHint, Stack, ICalloutProps, ILinkProps } from "office-ui-fabric-react";
+import { LocalStorageUtility, StorageKey } from "../../Shared/StorageUtility";
 
 export class ResourceTreeAdapter implements ReactAdapter {
   private static readonly DataTitle = "DATA";
@@ -33,17 +36,16 @@ export class ResourceTreeAdapter implements ReactAdapter {
 
   public parameters: ko.Observable<number>;
 
+  public galleryContentRoot: NotebookContentItem;
   public sampleNotebooksContentRoot: NotebookContentItem;
   public myNotebooksContentRoot: NotebookContentItem;
   public gitHubNotebooksContentRoot: NotebookContentItem;
 
-  private pinnedReposSubscription: ko.Subscription;
-
   private koSubsDatabaseIdMap: ArrayHashMap<ko.Subscription>; // database id -> ko subs
   private koSubsCollectionIdMap: ArrayHashMap<ko.Subscription>; // collection id -> ko subs
   private databaseCollectionIdMap: ArrayHashMap<string>; // database id -> collection ids
 
-  public constructor(private container: ViewModels.Explorer, private junoClient: JunoClient) {
+  public constructor(private container: ViewModels.Explorer) {
     this.parameters = ko.observable(Date.now());
 
     this.container.selectedNode.subscribe((newValue: any) => this.triggerRender());
@@ -72,6 +74,7 @@ export class ResourceTreeAdapter implements ReactAdapter {
 
     if (this.container.isNotebookEnabled()) {
       return (
+        <>
           <AccordionComponent>
             <AccordionItemComponent title={ResourceTreeAdapter.DataTitle} isExpanded={!this.gitHubNotebooksContentRoot}>
               <TreeComponent className="dataResourceTree" rootNode={dataRootNode} />
@@ -80,6 +83,9 @@ export class ResourceTreeAdapter implements ReactAdapter {
               <TreeComponent className="notebookResourceTree" rootNode={notebooksRootNode} />
             </AccordionItemComponent>
           </AccordionComponent>
+
+          {this.galleryContentRoot && this.buildGalleryCallout()}
+        </>
       );
     } else {
       return <TreeComponent className="dataResourceTree" rootNode={dataRootNode} />;
@@ -89,6 +95,17 @@ export class ResourceTreeAdapter implements ReactAdapter {
   public async initialize(): Promise<void[]> {
     const refreshTasks: Promise<void>[] = [];
 
+    if (this.container.isGalleryEnabled()) {
+      this.galleryContentRoot = {
+        name: "Gallery",
+        path: "Gallery",
+        type: NotebookContentItemType.File
+      };
+
+      this.sampleNotebooksContentRoot = undefined;
+    } else {
+      this.galleryContentRoot = undefined;
+
       this.sampleNotebooksContentRoot = {
         name: "Sample Notebooks (View Only)",
         path: GitHubUtils.toContentUri(SamplesRepo.owner, SamplesRepo.name, SamplesBranch.name, ""),
@@ -97,6 +114,7 @@ export class ResourceTreeAdapter implements ReactAdapter {
       refreshTasks.push(
         this.container.refreshContentItem(this.sampleNotebooksContentRoot).then(() => this.triggerRender())
       );
+    }
 
     this.myNotebooksContentRoot = {
       name: "My Notebooks",
@@ -111,14 +129,12 @@ export class ResourceTreeAdapter implements ReactAdapter {
       );
     }
 
-    if (this.container.gitHubOAuthService?.isLoggedIn()) {
+    if (this.container.notebookManager?.gitHubOAuthService.isLoggedIn()) {
       this.gitHubNotebooksContentRoot = {
         name: "GitHub repos",
         path: ResourceTreeAdapter.PseudoDirPath,
         type: NotebookContentItemType.Directory
       };
-
-      refreshTasks.push(this.refreshGitHubReposAndTriggerRender(this.gitHubNotebooksContentRoot));
     } else {
       this.gitHubNotebooksContentRoot = undefined;
     }
@@ -126,10 +142,10 @@ export class ResourceTreeAdapter implements ReactAdapter {
     return Promise.all(refreshTasks);
   }
 
-  private async refreshGitHubReposAndTriggerRender(item: NotebookContentItem): Promise<void> {
+  public initializeGitHubRepos(pinnedRepos: IPinnedRepo[]): void {
-    const updateGitHubReposAndRender = (pinnedRepos: IPinnedRepo[]) => {
+    if (this.gitHubNotebooksContentRoot) {
-      item.children = [];
+      this.gitHubNotebooksContentRoot.children = [];
-      pinnedRepos.forEach(pinnedRepo => {
+      pinnedRepos?.forEach(pinnedRepo => {
         const repoFullName = GitHubUtils.toRepoFullName(pinnedRepo.owner, pinnedRepo.name);
         const repoTreeItem: NotebookContentItem = {
           name: repoFullName,
@@ -146,20 +162,11 @@ export class ResourceTreeAdapter implements ReactAdapter {
           });
         });
 
-        item.children.push(repoTreeItem);
+        this.gitHubNotebooksContentRoot.children.push(repoTreeItem);
       });
 
       this.triggerRender();
-    };
-
-    if (this.pinnedReposSubscription) {
-      this.pinnedReposSubscription.dispose();
     }
-    this.pinnedReposSubscription = this.junoClient.subscribeToPinnedRepos(pinnedRepos =>
-      updateGitHubReposAndRender(pinnedRepos)
-    );
-
-    await this.junoClient.getPinnedRepos(this.container.gitHubOAuthService?.getTokenObservable()()?.scope);
   }
 
   private buildDataTree(): TreeNode {
@@ -347,10 +354,13 @@ export class ResourceTreeAdapter implements ReactAdapter {
     let notebooksTree: TreeNode = {
       label: undefined,
       isExpanded: true,
-      isLeavesParentsSeparate: true,
       children: []
     };
 
+    if (this.galleryContentRoot) {
+      notebooksTree.children.push(this.buildGalleryNotebooksTree());
+    }
+
     if (this.sampleNotebooksContentRoot) {
       notebooksTree.children.push(this.buildSampleNotebooksTree());
     }
@@ -368,6 +378,65 @@ export class ResourceTreeAdapter implements ReactAdapter {
     return notebooksTree;
   }
 
+  private buildGalleryCallout(): JSX.Element {
+    if (
+      LocalStorageUtility.hasItem(StorageKey.GalleryCalloutDismissed) &&
+      LocalStorageUtility.getEntryBoolean(StorageKey.GalleryCalloutDismissed)
+    ) {
+      return undefined;
+    }
+
+    const calloutProps: ICalloutProps = {
+      calloutMaxWidth: 350,
+      ariaLabel: "New gallery",
+      role: "alertdialog",
+      gapSpace: 0,
+      target: ".galleryHeader",
+      directionalHint: DirectionalHint.leftTopEdge,
+      onDismiss: () => {
+        LocalStorageUtility.setEntryBoolean(StorageKey.GalleryCalloutDismissed, true);
+        this.triggerRender();
+      },
+      setInitialFocus: true
+    };
+
+    const openGalleryProps: ILinkProps = {
+      onClick: () => {
+        LocalStorageUtility.setEntryBoolean(StorageKey.GalleryCalloutDismissed, true);
+        this.container.openGallery();
+        this.triggerRender();
+      }
+    };
+
+    return (
+      <Callout {...calloutProps}>
+        <Stack tokens={{ childrenGap: 10, padding: 20 }}>
+          <Text variant="xLarge" block>
+            New gallery
+          </Text>
+          <Text block>
+            Sample notebooks are now combined in gallery. View and try out samples provided by Microsoft and other
+            contributors.
+          </Text>
+          <Link {...openGalleryProps}>Open gallery</Link>
+        </Stack>
+      </Callout>
+    );
+  }
+
+  private buildGalleryNotebooksTree(): TreeNode {
+    return {
+      label: "Gallery",
+      iconSrc: GalleryIcon,
+      className: "notebookHeader galleryHeader",
+      onClick: () => this.container.openGallery(),
+      isSelected: () => {
+        const activeTab = this.container.findActiveTab();
+        return activeTab && activeTab.tabKind === ViewModels.CollectionTabKind.Gallery;
+      }
+    };
+  }
+
   private buildSampleNotebooksTree(): TreeNode {
     const sampleNotebooksTree: TreeNode = this.buildNotebookDirectoryNode(
       this.sampleNotebooksContentRoot,
@@ -467,7 +536,7 @@ export class ResourceTreeAdapter implements ReactAdapter {
             defaultExperience: this.container.defaultExperience && this.container.defaultExperience(),
             dataExplorerArea: Areas.Notebook
           });
-          this.container.gitHubOAuthService.logout();
+          this.container.notebookManager?.gitHubOAuthService.logout();
         }
       }
     ];

src/GalleryViewer/GalleryViewer.tsx

@@ -1,19 +1,33 @@
-import * as ReactDOM from "react-dom";
 import "bootstrap/dist/css/bootstrap.css";
-import { CosmosClient } from "../Common/CosmosClient";
-import { GalleryViewerComponent } from "../Explorer/Controls/NotebookGallery/GalleryViewerComponent";
-import { JunoUtils } from "../Utils/JunoUtils";
 import { initializeIcons } from "office-ui-fabric-react/lib/Icons";
+import * as React from "react";
+import * as ReactDOM from "react-dom";
+import { initializeConfiguration } from "../Config";
+import {
+  GalleryTab,
+  GalleryViewerComponent,
+  GalleryViewerComponentProps,
+  SortBy
+} from "../Explorer/Controls/NotebookGallery/GalleryViewerComponent";
+import { JunoClient } from "../Juno/JunoClient";
+import * as GalleryUtils from "../Utils/GalleryUtils";
 
 const onInit = async () => {
   initializeIcons();
-  const officialSamplesData = await JunoUtils.getOfficialSampleNotebooks(CosmosClient.authorizationToken());
+  await initializeConfiguration();
-  const galleryViewerComponent = new GalleryViewerComponent({
+  const galleryViewerProps = GalleryUtils.getGalleryViewerProps(window);
-    officialSamplesData: officialSamplesData,
+
-    likedNotebookData: undefined,
+  const props: GalleryViewerComponentProps = {
-    container: undefined
+    junoClient: new JunoClient(),
-  });
+    selectedTab: galleryViewerProps.selectedTab || GalleryTab.OfficialSamples,
-  ReactDOM.render(galleryViewerComponent.render(), document.getElementById("galleryContent"));
+    sortBy: galleryViewerProps.sortBy || SortBy.MostViewed,
+    searchText: galleryViewerProps.searchText,
+    onSelectedTabChange: undefined,
+    onSortByChange: undefined,
+    onSearchTextChange: undefined
+  };
+
+  ReactDOM.render(<GalleryViewerComponent {...props} />, document.getElementById("galleryContent"));
 };
 
 // Entry point

src/GalleryViewer/galleryViewer.html

@@ -8,6 +8,6 @@
   </head>
 
   <body>
-    <div class="galleryComponentContainer" id="galleryContent"></div>
+    <div class="galleryContent" id="galleryContent"></div>
   </body>
 </html>

src/GitHub/GitHubOAuthService.test.ts

@@ -5,6 +5,7 @@ import { JunoClient } from "../Juno/JunoClient";
 import { GitHubConnector, IGitHubConnectorParams } from "./GitHubConnector";
 import { GitHubOAuthService } from "./GitHubOAuthService";
 import { ConsoleDataType } from "../Explorer/Menus/NotificationConsole/NotificationConsoleComponent";
+import NotebookManager from "../Explorer/Notebook/NotebookManager";
 
 const sampleDatabaseAccount: ViewModels.DatabaseAccount = {
   id: "id",
@@ -32,10 +33,12 @@ describe("GitHubOAuthService", () => {
     originalDataExplorer = window.dataExplorer;
     window.dataExplorer = {
       ...originalDataExplorer,
-      gitHubOAuthService,
       logConsoleData: (data): void =>
         data.type === ConsoleDataType.Error ? console.error(data.message) : console.log(data.message)
     } as ViewModels.Explorer;
+    window.dataExplorer.notebookManager = new NotebookManager();
+    window.dataExplorer.notebookManager.junoClient = junoClient;
+    window.dataExplorer.notebookManager.gitHubOAuthService = gitHubOAuthService;
   });
 
   afterEach(() => {

src/GitHub/GitHubOAuthService.ts

@@ -17,7 +17,7 @@ window.addEventListener("message", (event: MessageEvent) => {
   const msg = event.data;
   if (msg.type === GitHubConnectorMsgType) {
     const params = msg.data as IGitHubConnectorParams;
-    window.dataExplorer.gitHubOAuthService.finishOAuth(params);
+    window.dataExplorer.notebookManager?.gitHubOAuthService.finishOAuth(params);
   }
 });
 

src/Juno/JunoClient.ts

@@ -2,10 +2,10 @@ import ko from "knockout";
 import { HttpStatusCodes } from "../Common/Constants";
 import { config } from "../Config";
 import * as ViewModels from "../Contracts/ViewModels";
+import { AuthorizeAccessComponent } from "../Explorer/Controls/GitHub/AuthorizeAccessComponent";
 import { IGitHubResponse } from "../GitHub/GitHubClient";
 import { IGitHubOAuthToken } from "../GitHub/GitHubOAuthService";
 import { getAuthorizationHeader } from "../Utils/AuthorizationUtils";
-import { AuthorizeAccessComponent } from "../Explorer/Controls/GitHub/AuthorizeAccessComponent";
 
 export interface IJunoResponse<T> {
   status: number;
@@ -23,10 +23,39 @@ export interface IPinnedBranch {
   name: string;
 }
 
+export interface IGalleryItem {
+  id: string;
+  name: string;
+  description: string;
+  gitSha: string;
+  tags: string[];
+  author: string;
+  thumbnailUrl: string;
+  created: string;
+  isSample: boolean;
+  downloads: number;
+  favorites: number;
+  views: number;
+}
+
+export interface IUserGallery {
+  favorites: string[];
+  published: string[];
+}
+
+interface IPublishNotebookRequest {
+  name: string;
+  description: string;
+  tags: string[];
+  author: string;
+  thumbnailUrl: string;
+  content: any;
+}
+
 export class JunoClient {
   private cachedPinnedRepos: ko.Observable<IPinnedRepo[]>;
 
-  constructor(public databaseAccount: ko.Observable<ViewModels.DatabaseAccount>) {
+  constructor(private databaseAccount?: ko.Observable<ViewModels.DatabaseAccount>) {
     this.cachedPinnedRepos = ko.observable<IPinnedRepo[]>([]);
   }
 
@@ -35,8 +64,8 @@ export class JunoClient {
   }
 
   public async getPinnedRepos(scope: string): Promise<IJunoResponse<IPinnedRepo[]>> {
-    const response = await window.fetch(`${this.getJunoGitHubUrl()}/pinnedrepos`, {
+    const response = await window.fetch(`${this.getNotebooksAccountUrl()}/github/pinnedrepos`, {
-      headers: this.getHeaders()
+      headers: JunoClient.getHeaders()
     });
 
     let pinnedRepos: IPinnedRepo[];
@@ -58,10 +87,10 @@ export class JunoClient {
   }
 
   public async updatePinnedRepos(repos: IPinnedRepo[]): Promise<IJunoResponse<undefined>> {
-    const response = await window.fetch(`${this.getJunoGitHubUrl()}/pinnedrepos`, {
+    const response = await window.fetch(`${this.getNotebooksAccountUrl()}/github/pinnedrepos`, {
       method: "PUT",
       body: JSON.stringify(repos),
-      headers: this.getHeaders()
+      headers: JunoClient.getHeaders()
     });
 
     if (response.status === HttpStatusCodes.OK) {
@@ -75,9 +104,9 @@ export class JunoClient {
   }
 
   public async deleteGitHubInfo(): Promise<IJunoResponse<undefined>> {
-    const response = await window.fetch(this.getJunoGitHubUrl(), {
+    const response = await window.fetch(`${this.getNotebooksAccountUrl()}/github`, {
       method: "DELETE",
-      headers: this.getHeaders()
+      headers: JunoClient.getHeaders()
     });
 
     return {
@@ -90,8 +119,8 @@ export class JunoClient {
     const githubParams = JunoClient.getGitHubClientParams();
     githubParams.append("code", code);
 
-    const response = await window.fetch(`${this.getJunoGitHubUrl()}/token?${githubParams.toString()}`, {
+    const response = await window.fetch(`${this.getNotebooksAccountUrl()}/github/token?${githubParams.toString()}`, {
-      headers: this.getHeaders()
+      headers: JunoClient.getHeaders()
     });
 
     let data: IGitHubOAuthToken;
@@ -114,9 +143,9 @@ export class JunoClient {
     const githubParams = JunoClient.getGitHubClientParams();
     githubParams.append("access_token", token);
 
-    const response = await window.fetch(`${this.getJunoGitHubUrl()}/token?${githubParams.toString()}`, {
+    const response = await window.fetch(`${this.getNotebooksAccountUrl()}/github/token?${githubParams.toString()}`, {
       method: "DELETE",
-      headers: this.getHeaders()
+      headers: JunoClient.getHeaders()
     });
 
     return {
@@ -125,11 +154,201 @@ export class JunoClient {
     };
   }
 
-  private getJunoGitHubUrl(): string {
+  public async getSampleNotebooks(): Promise<IJunoResponse<IGalleryItem[]>> {
-    return `${config.JUNO_ENDPOINT}/api/notebooks/${this.databaseAccount().name}/github`;
+    return this.getNotebooks(`${this.getNotebooksUrl()}/gallery/samples`);
   }
 
-  private getHeaders(): HeadersInit {
+  public async getPublicNotebooks(): Promise<IJunoResponse<IGalleryItem[]>> {
+    return this.getNotebooks(`${this.getNotebooksUrl()}/gallery/public`);
+  }
+
+  public async getNotebook(id: string): Promise<IJunoResponse<IGalleryItem>> {
+    const response = await window.fetch(this.getNotebookInfoUrl(id));
+
+    let data: IGalleryItem;
+    if (response.status === HttpStatusCodes.OK) {
+      data = await response.json();
+    }
+
+    return {
+      status: response.status,
+      data
+    };
+  }
+
+  public async getNotebookContent(id: string): Promise<IJunoResponse<string>> {
+    const response = await window.fetch(this.getNotebookContentUrl(id));
+
+    let data: string;
+    if (response.status === HttpStatusCodes.OK) {
+      data = await response.text();
+    }
+
+    return {
+      status: response.status,
+      data
+    };
+  }
+
+  public async increaseNotebookViews(id: string): Promise<IJunoResponse<IGalleryItem>> {
+    const response = await window.fetch(`${this.getNotebooksUrl()}/gallery/${id}/views`, {
+      method: "PATCH"
+    });
+
+    let data: IGalleryItem;
+    if (response.status === HttpStatusCodes.OK) {
+      data = await response.json();
+    }
+
+    return {
+      status: response.status,
+      data
+    };
+  }
+
+  public async increaseNotebookDownloadCount(id: string): Promise<IJunoResponse<IGalleryItem>> {
+    const response = await window.fetch(`${this.getNotebooksAccountUrl()}/gallery/${id}/downloads`, {
+      method: "PATCH",
+      headers: JunoClient.getHeaders()
+    });
+
+    let data: IGalleryItem;
+    if (response.status === HttpStatusCodes.OK) {
+      data = await response.json();
+    }
+
+    return {
+      status: response.status,
+      data
+    };
+  }
+
+  public async favoriteNotebook(id: string): Promise<IJunoResponse<IGalleryItem>> {
+    const response = await window.fetch(`${this.getNotebooksAccountUrl()}/gallery/${id}/favorite`, {
+      method: "PATCH",
+      headers: JunoClient.getHeaders()
+    });
+
+    let data: IGalleryItem;
+    if (response.status === HttpStatusCodes.OK) {
+      data = await response.json();
+    }
+
+    return {
+      status: response.status,
+      data
+    };
+  }
+
+  public async unfavoriteNotebook(id: string): Promise<IJunoResponse<IGalleryItem>> {
+    const response = await window.fetch(`${this.getNotebooksUrl()}/gallery/${id}/unfavorite`, {
+      method: "PATCH",
+      headers: JunoClient.getHeaders()
+    });
+
+    let data: IGalleryItem;
+    if (response.status === HttpStatusCodes.OK) {
+      data = await response.json();
+    }
+
+    return {
+      status: response.status,
+      data
+    };
+  }
+
+  public async getFavoriteNotebooks(): Promise<IJunoResponse<IGalleryItem[]>> {
+    return await this.getNotebooks(`${this.getNotebooksUrl()}/gallery/favorites`, {
+      headers: JunoClient.getHeaders()
+    });
+  }
+
+  public async getPublishedNotebooks(): Promise<IJunoResponse<IGalleryItem[]>> {
+    return await this.getNotebooks(`${this.getNotebooksUrl()}/gallery/published`, {
+      headers: JunoClient.getHeaders()
+    });
+  }
+
+  public async deleteNotebook(id: string): Promise<IJunoResponse<IGalleryItem>> {
+    const response = await window.fetch(`${this.getNotebooksUrl()}/gallery/${id}`, {
+      method: "DELETE",
+      headers: JunoClient.getHeaders()
+    });
+
+    let data: IGalleryItem;
+    if (response.status === HttpStatusCodes.OK) {
+      data = await response.json();
+    }
+
+    return {
+      status: response.status,
+      data
+    };
+  }
+
+  public async publishNotebook(
+    name: string,
+    description: string,
+    tags: string[],
+    author: string,
+    thumbnailUrl: string,
+    content: string
+  ): Promise<IJunoResponse<IGalleryItem>> {
+    const response = await window.fetch(`${this.getNotebooksAccountUrl()}/gallery`, {
+      method: "PUT",
+      headers: JunoClient.getHeaders(),
+      body: JSON.stringify({
+        name,
+        description,
+        tags,
+        author,
+        thumbnailUrl,
+        content: JSON.parse(content)
+      } as IPublishNotebookRequest)
+    });
+
+    let data: IGalleryItem;
+    if (response.status === HttpStatusCodes.OK) {
+      data = await response.json();
+    }
+
+    return {
+      status: response.status,
+      data
+    };
+  }
+
+  public getNotebookContentUrl(id: string): string {
+    return `${this.getNotebooksUrl()}/gallery/${id}/content`;
+  }
+
+  public getNotebookInfoUrl(id: string): string {
+    return `${this.getNotebooksUrl()}/gallery/${id}`;
+  }
+
+  private async getNotebooks(input: RequestInfo, init?: RequestInit): Promise<IJunoResponse<IGalleryItem[]>> {
+    const response = await window.fetch(input, init);
+
+    let data: IGalleryItem[];
+    if (response.status === HttpStatusCodes.OK) {
+      data = await response.json();
+    }
+
+    return {
+      status: response.status,
+      data
+    };
+  }
+
+  private getNotebooksUrl(): string {
+    return `${config.JUNO_ENDPOINT}/api/notebooks`;
+  }
+
+  private getNotebooksAccountUrl(): string {
+    return `${config.JUNO_ENDPOINT}/api/notebooks/${this.databaseAccount().name}`;
+  }
+
+  private static getHeaders(): HeadersInit {
     const authorizationHeader = getAuthorizationHeader();
     return {
       [authorizationHeader.header]: authorizationHeader.token,
@@ -137,7 +356,7 @@ export class JunoClient {
     };
   }
 
-  public static getGitHubClientParams(): URLSearchParams {
+  private static getGitHubClientParams(): URLSearchParams {
     const githubParams = new URLSearchParams({
       client_id: config.GITHUB_CLIENT_ID
     });

src/NotebookViewer/NotebookViewer.tsx

@@ -1,42 +1,44 @@
+import "bootstrap/dist/css/bootstrap.css";
+import { initializeIcons } from "office-ui-fabric-react/lib/Icons";
 import React from "react";
 import * as ReactDOM from "react-dom";
-import "bootstrap/dist/css/bootstrap.css";
+import { initializeConfiguration } from "../Config";
-import { NotebookMetadata } from "../Contracts/DataModels";
+import {
-import { NotebookViewerComponent } from "../Explorer/Controls/NotebookViewer/NotebookViewerComponent";
+  NotebookViewerComponent,
-import { SessionStorageUtility, StorageKey } from "../Shared/StorageUtility";
+  NotebookViewerComponentProps
-
+} from "../Explorer/Controls/NotebookViewer/NotebookViewerComponent";
-const getNotebookUrl = (): string => {
+import { IGalleryItem, JunoClient } from "../Juno/JunoClient";
-  const regex: RegExp = new RegExp("[?&]notebookurl=([^&#]*)|&|#|$");
+import * as GalleryUtils from "../Utils/GalleryUtils";
-  const results: RegExpExecArray | null = regex.exec(window.location.href);
-  if (!results || !results[1]) {
-    return "";
-  }
-
-  return decodeURIComponent(results[1]);
-};
 
 const onInit = async () => {
-  var notebookMetadata: NotebookMetadata;
+  initializeIcons();
-  const notebookMetadataString = SessionStorageUtility.getEntryString(StorageKey.NotebookMetadata);
+  await initializeConfiguration();
-  const notebookName = SessionStorageUtility.getEntryString(StorageKey.NotebookName);
+  const galleryViewerProps = GalleryUtils.getGalleryViewerProps(window);
+  const notebookViewerProps = GalleryUtils.getNotebookViewerProps(window);
+  const backNavigationText = galleryViewerProps.selectedTab && GalleryUtils.getTabTitle(galleryViewerProps.selectedTab);
 
-  if (notebookMetadataString == "null" || notebookMetadataString != null) {
+  const notebookUrl = decodeURIComponent(notebookViewerProps.notebookUrl);
-    notebookMetadata = (await JSON.parse(notebookMetadataString)) as NotebookMetadata;
+  render(notebookUrl, backNavigationText);
-    SessionStorageUtility.removeEntry(StorageKey.NotebookMetadata);
+
-    SessionStorageUtility.removeEntry(StorageKey.NotebookName);
+  const galleryItemId = notebookViewerProps.galleryItemId;
+  if (galleryItemId) {
+    const junoClient = new JunoClient();
+    const notebook = await junoClient.getNotebook(galleryItemId);
+    render(notebookUrl, backNavigationText, notebook.data);
   }
+};
 
-  const urlParams = new URLSearchParams(window.location.search);
+const render = (notebookUrl: string, backNavigationText: string, galleryItem?: IGalleryItem) => {
+  const props: NotebookViewerComponentProps = {
+    junoClient: galleryItem ? new JunoClient() : undefined,
+    notebookUrl,
+    galleryItem,
+    backNavigationText,
+    onBackClick: undefined,
+    onTagClick: undefined
+  };
 
-  const notebookViewerComponent = (
+  ReactDOM.render(<NotebookViewerComponent {...props} />, document.getElementById("notebookContent"));
-    <NotebookViewerComponent
-      notebookMetadata={notebookMetadata}
-      notebookName={notebookName}
-      notebookUrl={getNotebookUrl()}
-      hideInputs={urlParams.get("hideinputs") === "true"}
-    />
-  );
-  ReactDOM.render(notebookViewerComponent, document.getElementById("notebookContent"));
 };
 
 // Entry point

src/Shared/StorageUtility.ts

@@ -71,6 +71,5 @@ export enum StorageKey {
   TenantId,
   MostRecentActivity,
   SetPartitionKeyUndefined,
-  NotebookMetadata,
+  GalleryCalloutDismissed
-  NotebookName
 }

src/Utils/GalleryUtils.ts

@@ -0,0 +1,260 @@
+import { LinkProps, DialogProps } from "../Explorer/Controls/DialogReactComponent/DialogComponent";
+import { IGalleryItem, JunoClient } from "../Juno/JunoClient";
+import * as ViewModels from "../Contracts/ViewModels";
+import { NotificationConsoleUtils } from "./NotificationConsoleUtils";
+import { ConsoleDataType } from "../Explorer/Menus/NotificationConsole/NotificationConsoleComponent";
+import * as Logger from "../Common/Logger";
+import {
+  GalleryTab,
+  SortBy,
+  GalleryViewerComponent
+} from "../Explorer/Controls/NotebookGallery/GalleryViewerComponent";
+
+export interface DialogEnabledComponent {
+  setDialogProps: (dialogProps: DialogProps) => void;
+}
+
+export enum NotebookViewerParams {
+  NotebookUrl = "notebookUrl",
+  GalleryItemId = "galleryItemId"
+}
+
+export interface NotebookViewerProps {
+  notebookUrl: string;
+  galleryItemId: string;
+}
+
+export enum GalleryViewerParams {
+  SelectedTab = "tab",
+  SortBy = "sort",
+  SearchText = "q"
+}
+
+export interface GalleryViewerProps {
+  selectedTab: GalleryTab;
+  sortBy: SortBy;
+  searchText: string;
+}
+
+export function showOkCancelModalDialog(
+  component: DialogEnabledComponent,
+  title: string,
+  msg: string,
+  linkProps: LinkProps,
+  okLabel: string,
+  onOk: () => void,
+  cancelLabel: string,
+  onCancel: () => void
+): void {
+  component.setDialogProps({
+    linkProps,
+    isModal: true,
+    visible: true,
+    title,
+    subText: msg,
+    primaryButtonText: okLabel,
+    secondaryButtonText: cancelLabel,
+    onPrimaryButtonClick: () => {
+      component.setDialogProps(undefined);
+      onOk && onOk();
+    },
+    onSecondaryButtonClick: () => {
+      component.setDialogProps(undefined);
+      onCancel && onCancel();
+    }
+  });
+}
+
+export function downloadItem(
+  component: DialogEnabledComponent,
+  container: ViewModels.Explorer,
+  junoClient: JunoClient,
+  data: IGalleryItem,
+  onComplete: (item: IGalleryItem) => void
+): void {
+  const name = data.name;
+
+  if (container) {
+    container.showOkCancelModalDialog(
+      "Download to My Notebooks",
+      `Download ${name} from gallery as a copy to your notebooks to run and/or edit the notebook.`,
+      "Download",
+      async () => {
+        const notificationId = NotificationConsoleUtils.logConsoleMessage(
+          ConsoleDataType.InProgress,
+          `Downloading ${name} to My Notebooks`
+        );
+
+        try {
+          const response = await junoClient.getNotebookContent(data.id);
+          if (!response.data) {
+            throw new Error(`Received HTTP ${response.status} when fetching ${data.name}`);
+          }
+
+          await container.importAndOpenFromGallery(data.name, response.data);
+          NotificationConsoleUtils.logConsoleMessage(
+            ConsoleDataType.Info,
+            `Successfully downloaded ${name} to My Notebooks`
+          );
+
+          const increaseDownloadResponse = await junoClient.increaseNotebookDownloadCount(data.id);
+          if (increaseDownloadResponse.data) {
+            onComplete(increaseDownloadResponse.data);
+          }
+        } catch (error) {
+          const message = `Failed to download ${data.name}: ${error}`;
+          Logger.logError(message, "GalleryUtils/downloadItem");
+          NotificationConsoleUtils.logConsoleMessage(ConsoleDataType.Error, message);
+        }
+
+        NotificationConsoleUtils.clearInProgressMessageWithId(notificationId);
+      },
+      "Cancel",
+      undefined
+    );
+  } else {
+    showOkCancelModalDialog(
+      component,
+      "Edit/Run notebook in Cosmos DB data explorer",
+      `In order to edit/run ${name} in Cosmos DB data explorer, a Cosmos DB account will be needed. If you do not have a Cosmos DB account yet, please create one.`,
+      {
+        linkText: "Learn more about Cosmos DB",
+        linkUrl: "https://azure.microsoft.com/en-us/services/cosmos-db"
+      },
+      "Open data explorer",
+      () => {
+        window.open("https://cosmos.azure.com");
+      },
+      "Create Cosmos DB account",
+      () => {
+        window.open("https://ms.portal.azure.com/#create/Microsoft.DocumentDB");
+      }
+    );
+  }
+}
+
+export async function favoriteItem(
+  container: ViewModels.Explorer,
+  junoClient: JunoClient,
+  data: IGalleryItem,
+  onComplete: (item: IGalleryItem) => void
+): Promise<void> {
+  if (container) {
+    try {
+      const response = await junoClient.favoriteNotebook(data.id);
+      if (!response.data) {
+        throw new Error(`Received HTTP ${response.status} when favoriting ${data.name}`);
+      }
+
+      onComplete(response.data);
+    } catch (error) {
+      const message = `Failed to favorite ${data.name}: ${error}`;
+      Logger.logError(message, "GalleryUtils/favoriteItem");
+      NotificationConsoleUtils.logConsoleMessage(ConsoleDataType.Error, message);
+    }
+  }
+}
+
+export async function unfavoriteItem(
+  container: ViewModels.Explorer,
+  junoClient: JunoClient,
+  data: IGalleryItem,
+  onComplete: (item: IGalleryItem) => void
+): Promise<void> {
+  if (container) {
+    try {
+      const response = await junoClient.unfavoriteNotebook(data.id);
+      if (!response.data) {
+        throw new Error(`Received HTTP ${response.status} when unfavoriting ${data.name}`);
+      }
+
+      onComplete(response.data);
+    } catch (error) {
+      const message = `Failed to unfavorite ${data.name}: ${error}`;
+      Logger.logError(message, "GalleryUtils/unfavoriteItem");
+      NotificationConsoleUtils.logConsoleMessage(ConsoleDataType.Error, message);
+    }
+  }
+}
+
+export function deleteItem(
+  container: ViewModels.Explorer,
+  junoClient: JunoClient,
+  data: IGalleryItem,
+  onComplete: (item: IGalleryItem) => void
+): void {
+  if (container) {
+    container.showOkCancelModalDialog(
+      "Remove published notebook",
+      `Would you like to remove ${data.name} from the gallery?`,
+      "Remove",
+      async () => {
+        const name = data.name;
+        const notificationId = NotificationConsoleUtils.logConsoleMessage(
+          ConsoleDataType.InProgress,
+          `Removing ${name} from gallery`
+        );
+
+        try {
+          const response = await junoClient.deleteNotebook(data.id);
+          if (!response.data) {
+            throw new Error(`Received HTTP ${response.status} while removing ${name}`);
+          }
+
+          NotificationConsoleUtils.logConsoleMessage(ConsoleDataType.Info, `Successfully removed ${name} from gallery`);
+          onComplete(response.data);
+        } catch (error) {
+          const message = `Failed to remove ${name} from gallery: ${error}`;
+          Logger.logError(message, "GalleryUtils/deleteItem");
+          NotificationConsoleUtils.logConsoleMessage(ConsoleDataType.Error, message);
+        }
+
+        NotificationConsoleUtils.clearInProgressMessageWithId(notificationId);
+      },
+      "Cancel",
+      undefined
+    );
+  }
+}
+
+export function getGalleryViewerProps(window: Window & typeof globalThis): GalleryViewerProps {
+  const params = new URLSearchParams(window.location.search);
+  let selectedTab: GalleryTab;
+  if (params.has(GalleryViewerParams.SelectedTab)) {
+    selectedTab = GalleryTab[params.get(GalleryViewerParams.SelectedTab) as keyof typeof GalleryTab];
+  }
+
+  let sortBy: SortBy;
+  if (params.has(GalleryViewerParams.SortBy)) {
+    sortBy = SortBy[params.get(GalleryViewerParams.SortBy) as keyof typeof SortBy];
+  }
+
+  return {
+    selectedTab,
+    sortBy,
+    searchText: params.get(GalleryViewerParams.SearchText)
+  };
+}
+
+export function getNotebookViewerProps(window: Window & typeof globalThis): NotebookViewerProps {
+  const params = new URLSearchParams(window.location.search);
+  return {
+    notebookUrl: params.get(NotebookViewerParams.NotebookUrl),
+    galleryItemId: params.get(NotebookViewerParams.GalleryItemId)
+  };
+}
+
+export function getTabTitle(tab: GalleryTab): string {
+  switch (tab) {
+    case GalleryTab.OfficialSamples:
+      return GalleryViewerComponent.OfficialSamplesTitle;
+    case GalleryTab.PublicGallery:
+      return GalleryViewerComponent.PublicGalleryTitle;
+    case GalleryTab.Favorites:
+      return GalleryViewerComponent.FavoritesTitle;
+    case GalleryTab.Published:
+      return GalleryViewerComponent.PublishedTitle;
+    default:
+      throw new Error(`Unknown tab ${tab}`);
+  }
+}

src/Utils/JunoUtils.ts

@@ -1,57 +1,8 @@
-import * as DataModels from "../Contracts/DataModels";
-import { config } from "../Config";
 import { RepoListItem } from "../Explorer/Controls/GitHub/GitHubReposComponent";
-import { IPinnedRepo } from "../Juno/JunoClient";
 import { IGitHubRepo } from "../GitHub/GitHubClient";
+import { IPinnedRepo } from "../Juno/JunoClient";
 
 export class JunoUtils {
-  public static async getLikedNotebooks(authorizationToken: string): Promise<DataModels.LikedNotebooksJunoResponse> {
-    //TODO: Add Get method once juno has it implemented
-    return {
-      likedNotebooksContent: [],
-      userMetadata: {
-        likedNotebooks: []
-      }
-    };
-  }
-
-  public static async getOfficialSampleNotebooks(
-    authorizationToken: string
-  ): Promise<DataModels.GitHubInfoJunoResponse[]> {
-    try {
-      const response = await window.fetch(config.JUNO_ENDPOINT + "/api/notebooks/galleries", {
-        method: "GET",
-        headers: {
-          authorization: authorizationToken
-        }
-      });
-      if (!response.ok) {
-        throw new Error("Status code:" + response.status);
-      }
-      return await response.json();
-    } catch (e) {
-      throw new Error("Official samples fetch failed.");
-    }
-  }
-
-  public static async updateUserMetadata(
-    authorizationToken: string,
-    userMetadata: DataModels.UserMetadata
-  ): Promise<DataModels.UserMetadata> {
-    return undefined;
-    //TODO: add userMetadata updation code
-    // TODO: Make sure to throw error if failed
-  }
-
-  public static async updateNotebookMetadata(
-    authorizationToken: string,
-    notebookMetadata: DataModels.NotebookMetadata
-  ): Promise<DataModels.NotebookMetadata> {
-    return undefined;
-    //TODO: add notebookMetadata updation code
-    // TODO: Make sure to throw error if failed
-  }
-
   public static toPinnedRepo(item: RepoListItem): IPinnedRepo {
     return {
       owner: item.repo.owner,

src/Utils/UserUtils.ts

@@ -0,0 +1,17 @@
+import AuthHeadersUtil from "../Platform/Hosted/Authorization";
+import { decryptJWTToken } from "./AuthorizationUtils";
+import { CosmosClient } from "../Common/CosmosClient";
+
+export function getFullName(): string {
+  let fullName: string;
+  const user = AuthHeadersUtil.getCachedUser();
+  if (user) {
+    fullName = user.profile.name;
+  } else {
+    const authToken = CosmosClient.authorizationToken();
+    const props = decryptJWTToken(authToken);
+    fullName = props.name;
+  }
+
+  return fullName;
+}

src/explorer.html

@@ -450,6 +450,10 @@
       <github-repos-pane params="{data: gitHubReposPane}"></github-repos-pane>
       <!-- /ko -->
 
+      <!-- ko if: isPublishNotebookPaneEnabled -->
+      <div data-bind="react: publishNotebookPaneAdapter"></div>
+      <!-- /ko -->
+
       <!-- Global access token expiration dialog - Start -->
       <div
         id="dataAccessTokenModal"