Added session based view updation for gallery notebooks (#120)

src/Explorer/Controls/NotebookViewer/NotebookViewerComponent.tsx

@@ -19,6 +19,7 @@ import { DialogComponent, DialogProps } from "../DialogReactComponent/DialogComp
 import { NotebookMetadataComponent } from "./NotebookMetadataComponent";
 import "./NotebookViewerComponent.less";
 import Explorer from "../../Explorer";
+import { SessionStorageUtility } from "../../../Shared/StorageUtility";
 
 export interface NotebookViewerComponentProps {
   container?: Explorer;
@@ -88,13 +89,13 @@ export class NotebookViewerComponent extends React.Component<
       this.notebookComponentBootstrapper.setContent("json", notebook);
       this.setState({ content: notebook, showProgressBar: false });
 
-      if (this.props.galleryItem) {
+      if (this.props.galleryItem && !SessionStorageUtility.getEntry(this.props.galleryItem.id)) {
         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 });
+        SessionStorageUtility.setEntry(this.props.galleryItem?.id, "true");
       }
     } catch (error) {
       this.setState({ showProgressBar: false });

src/Shared/StorageUtility.ts

@@ -44,7 +44,11 @@ export class SessionStorageUtility {
   }
 
   public static getEntryNumber(key: StorageKey): number {
-    return StringUtility.toNumber(localStorage.getItem(StorageKey[key]));
+    return StringUtility.toNumber(sessionStorage.getItem(StorageKey[key]));
+  }
+
+  public static getEntry(key: string): string | null {
+    return sessionStorage.getItem(key);
   }
 
   public static removeEntry(key: StorageKey): void {
@@ -55,6 +59,10 @@ export class SessionStorageUtility {
     sessionStorage.setItem(StorageKey[key], value);
   }
 
+  public static setEntry(key: string, value: string): void {
+    sessionStorage.setItem(key, value);
+  }
+
   public static setEntryNumber(key: StorageKey, value: number): void {
     sessionStorage.setItem(StorageKey[key], value.toString());
   }