Handling undefined exception

less/resourceTree.less

@@ -13,6 +13,11 @@
     font-size: 12px;
   }
 
+  .sampleCollectionHeader {
+    margin-left: @MediumSpace;
+    font-size: 12px;
+  }
+
   .loadMoreHeader {
     color: RGB(5, 99, 193);
   }

src/Contracts/ViewModels.ts

@@ -115,7 +115,7 @@ export interface CollectionBase extends TreeNode {
   isCollectionExpanded: ko.Observable<boolean>;
   isSampleCollection?: boolean;
 
-  onDocumentDBDocumentsClick(): void;
+  onDocumentDBDocumentsClick(isQueryCopilotCollection?: boolean, sampleCollection?: CollectionBase): void;
   onNewQueryClick(source: any, event?: MouseEvent, queryText?: string): void;
   expandCollection(): void;
   collapseCollection(): void;

src/Explorer/Controls/Editor/EditorReact.tsx

@@ -35,7 +35,7 @@ export class EditorReact extends React.Component<EditorReactProps, EditorReactSt
 
   public componentDidUpdate(previous: EditorReactProps) {
     if (this.props.content !== previous.content) {
-      this.editor.setValue(this.props.content);
+      this.editor?.setValue(this.props.content);
     }
   }
 

src/Explorer/QueryCopilot/CopilotCarousel.tsx

@@ -95,7 +95,7 @@ export const QueryCopilotCarousel: React.FC<QueryCopilotCarouselProps> = ({
         offerThroughput: undefined,
         indexingPolicy: AllPropertiesIndexed,
         partitionKey: {
-          paths: ["/categoryId"],
+          paths: ["/objectId"],
           kind: "Hash",
           version: 2,
         },

src/Explorer/Tree/Collection.ts

@@ -3,6 +3,9 @@ import { useNotebook } from "Explorer/Notebook/useNotebook";
 import * as ko from "knockout";
 import * as _ from "underscore";
 import * as Constants from "../../Common/Constants";
+import { getErrorMessage, getErrorStack } from "../../Common/ErrorHandlingUtils";
+import * as Logger from "../../Common/Logger";
+import { fetchPortalNotifications } from "../../Common/PortalNotifications";
 import { bulkCreateDocument } from "../../Common/dataAccess/bulkCreateDocument";
 import { createDocument } from "../../Common/dataAccess/createDocument";
 import { getCollectionUsageSizeInKB } from "../../Common/dataAccess/getCollectionDataUsageSize";
@@ -10,19 +13,16 @@ import { readCollectionOffer } from "../../Common/dataAccess/readCollectionOffer
 import { readStoredProcedures } from "../../Common/dataAccess/readStoredProcedures";
 import { readTriggers } from "../../Common/dataAccess/readTriggers";
 import { readUserDefinedFunctions } from "../../Common/dataAccess/readUserDefinedFunctions";
-import { getErrorMessage, getErrorStack } from "../../Common/ErrorHandlingUtils";
-import * as Logger from "../../Common/Logger";
-import { fetchPortalNotifications } from "../../Common/PortalNotifications";
 import * as DataModels from "../../Contracts/DataModels";
 import * as ViewModels from "../../Contracts/ViewModels";
 import { UploadDetailsRecord } from "../../Contracts/ViewModels";
-import { useTabs } from "../../hooks/useTabs";
 import { Action, ActionModifiers } from "../../Shared/Telemetry/TelemetryConstants";
 import * as TelemetryProcessor from "../../Shared/Telemetry/TelemetryProcessor";
 import { userContext } from "../../UserContext";
-import { SqlTriggerResource } from "../../Utils/arm/generatedClients/cosmos/types";
 import { isServerlessAccount } from "../../Utils/CapabilityUtils";
 import { logConsoleInfo } from "../../Utils/NotificationConsoleUtils";
+import { SqlTriggerResource } from "../../Utils/arm/generatedClients/cosmos/types";
+import { useTabs } from "../../hooks/useTabs";
 import Explorer from "../Explorer";
 import { useCommandBar } from "../Menus/CommandBar/CommandBarComponentAdapter";
 import { CassandraAPIDataClient, CassandraTableKey, CassandraTableKeys } from "../Tables/TableDataClient";

src/Explorer/Tree/ResourceTokenCollection.ts

@@ -2,10 +2,10 @@ import * as ko from "knockout";
 import * as Constants from "../../Common/Constants";
 import * as DataModels from "../../Contracts/DataModels";
 import * as ViewModels from "../../Contracts/ViewModels";
-import { useTabs } from "../../hooks/useTabs";
 import { Action, ActionModifiers } from "../../Shared/Telemetry/TelemetryConstants";
 import * as TelemetryProcessor from "../../Shared/Telemetry/TelemetryProcessor";
 import { userContext } from "../../UserContext";
+import { useTabs } from "../../hooks/useTabs";
 import Explorer from "../Explorer";
 import DocumentsTab from "../Tabs/DocumentsTab";
 import { NewQueryTab } from "../Tabs/QueryTab/QueryTab";
@@ -105,7 +105,9 @@ export default class ResourceTokenCollection implements ViewModels.CollectionBas
     );
   }
 
-  public onDocumentDBDocumentsClick() {
+  public onDocumentDBDocumentsClick(isQueryCopilotCollection?: boolean, sampleCollection?: ViewModels.CollectionBase) {
+    const queryCopilotPartitionKey: DataModels.PartitionKey = sampleCollection?.partitionKey;
+
     useSelectedNode.getState().setSelectedNode(this);
     this.selectedSubnodeKind(ViewModels.CollectionTabKind.Documents);
     TelemetryProcessor.trace(Action.SelectItem, ActionModifiers.Mark, {
@@ -138,8 +140,10 @@ export default class ResourceTokenCollection implements ViewModels.CollectionBas
       });
 
       documentsTab = new DocumentsTab({
-        partitionKey: this.partitionKey,
+        partitionKey: isQueryCopilotCollection ? queryCopilotPartitionKey : this.partitionKey,
-        resourceTokenPartitionKey: userContext.parsedResourceToken.partitionKey,
+        resourceTokenPartitionKey: isQueryCopilotCollection
+          ? queryCopilotPartitionKey.paths[0]
+          : userContext.parsedResourceToken.partitionKey,
         documentIds: ko.observableArray<DocumentId>([]),
         tabKind: ViewModels.CollectionTabKind.Documents,
         title: "Items",

src/Explorer/Tree/SampleDataTree.tsx

@@ -1,7 +1,7 @@
-import { useCommandBar } from "Explorer/Menus/CommandBar/CommandBarComponentAdapter";
+import { mostRecentActivity } from "Explorer/MostRecentActivity/MostRecentActivity";
-import TabsBase from "Explorer/Tabs/TabsBase";
 import { useSelectedNode } from "Explorer/useSelectedNode";
-import { useTabs } from "hooks/useTabs";
+import { userContext } from "UserContext";
+import { getItemName } from "Utils/APITypeUtils";
 import React, { useEffect, useState } from "react";
 import CosmosDBIcon from "../../../images/Azure-Cosmos-DB.svg";
 import CollectionIcon from "../../../images/tree-collection.svg";
@@ -28,18 +28,8 @@ export const SampleDataTree = ({
             label: sampleDataResourceTokenCollection.id(),
             iconSrc: CollectionIcon,
             isExpanded: false,
-            className: "dataResourceTree",
+            className: "sampleCollectionHeader",
             contextMenu: ResourceTreeContextMenuButtonFactory.createSampleCollectionContextMenuButton(),
-            onClick: () => {
-              // Rewritten version of expandCollapseCollection
-              useSelectedNode.getState().setSelectedNode(sampleDataResourceTokenCollection);
-              useCommandBar.getState().setContextButtons([]);
-              useTabs().refreshActiveTab(
-                (tab: TabsBase) =>
-                  tab.collection?.id() === sampleDataResourceTokenCollection.id() &&
-                  tab.collection.databaseId === sampleDataResourceTokenCollection.databaseId
-              );
-            },
             isSelected: () =>
               useSelectedNode
                 .getState()
@@ -50,7 +40,24 @@ export const SampleDataTree = ({
             onContextMenuOpen: () => useSelectedNode.getState().setSelectedNode(sampleDataResourceTokenCollection),
             children: [
               {
-                label: "Items",
+                label: getItemName(),
+                id: sampleDataResourceTokenCollection.isSampleCollection ? "sampleItems" : "",
+                contextMenu: ResourceTreeContextMenuButtonFactory.createSampleCollectionContextMenuButton(),
+                onClick: () => {
+                  sampleDataResourceTokenCollection.onDocumentDBDocumentsClick(true, sampleDataResourceTokenCollection);
+                  mostRecentActivity.collectionWasOpened(
+                    userContext.databaseAccount?.id,
+                    sampleDataResourceTokenCollection
+                  );
+                },
+                isSelected: () =>
+                  useSelectedNode
+                    .getState()
+                    .isDataNodeSelected(
+                      sampleDataResourceTokenCollection.databaseId,
+                      sampleDataResourceTokenCollection.id(),
+                      [ViewModels.CollectionTabKind.Documents]
+                    ),
               },
             ],
           },