(core) Add new home page cards

Summary:
New cards on the home page link to useful resources like the welcome
video, tutorial, webinars, and the Help Center. They are shown by
default to new and exisiting users, and may be hidden via a toggle.

Test Plan: Browser tests.

Reviewers: jarek

Reviewed By: jarek

Differential Revision: https://phab.getgrist.com/D4340

app/client/models/AppModel.ts

@@ -9,7 +9,6 @@ import {urlState} from 'app/client/models/gristUrlState';
 import {Notifier} from 'app/client/models/NotifyModel';
 import {getFlavor, ProductFlavor} from 'app/client/ui/CustomThemes';
 import {buildNewSiteModal, buildUpgradeModal} from 'app/client/ui/ProductUpgrades';
-import {SupportGristNudge} from 'app/client/ui/SupportGristNudge';
 import {gristThemePrefs} from 'app/client/ui2018/theme';
 import {AsyncCreate} from 'app/common/AsyncCreate';
 import {PlanSelection} from 'app/common/BillingAPI';
@@ -130,8 +129,6 @@ export interface AppModel {
 
   behavioralPromptsManager: BehavioralPromptsManager;
 
-  supportGristNudge: SupportGristNudge;
-
   refreshOrgUsage(): Promise<void>;
   showUpgradeModal(): Promise<void>;
   showNewSiteModal(): Promise<void>;
@@ -351,8 +348,6 @@ export class AppModelImpl extends Disposable implements AppModel {
   public readonly behavioralPromptsManager: BehavioralPromptsManager =
     BehavioralPromptsManager.create(this, this);
 
-  public readonly supportGristNudge: SupportGristNudge = SupportGristNudge.create(this, this);
-
   constructor(
     public readonly topAppModel: TopAppModel,
     public readonly currentUser: ExtendedUser|null,

app/client/models/HomeModel.ts

@@ -6,6 +6,7 @@ import {localStorageObs} from 'app/client/lib/localStorageObs';
 import {AppModel, reportError} from 'app/client/models/AppModel';
 import {reportMessage, UserError} from 'app/client/models/errors';
 import {urlState} from 'app/client/models/gristUrlState';
+import {getUserPrefObs} from 'app/client/models/UserPrefs';
 import {ownerName} from 'app/client/models/WorkspaceInfo';
 import {IHomePage, isFeatureEnabled} from 'app/common/gristUrls';
 import {isLongerThan} from 'app/common/gutil';
@@ -31,7 +32,7 @@ export interface HomeModel {
   workspaces: Observable<Workspace[]>;
   loading: Observable<boolean|"slow">;          // Set to "slow" when loading for a while.
   available: Observable<boolean>;               // set if workspaces loaded correctly.
-  showIntro: Observable<boolean>;               // set if no docs and we should show intro.
+  empty: Observable<boolean>;                   // set if no docs.
   singleWorkspace: Observable<boolean>;         // set if workspace name should be hidden.
   trashWorkspaces: Observable<Workspace[]>;     // only set when viewing trash
   templateWorkspaces: Observable<Workspace[]>;  // Only set when viewing templates or all documents.
@@ -49,6 +50,8 @@ export interface HomeModel {
   // the current org is a personal org, or the current org is view access only.
   otherSites: Observable<Organization[]>;
 
+  onlyShowDocuments: Observable<boolean>;
+
   currentSort: Observable<SortPref>;
   currentView: Observable<ViewPref>;
   importSources: Observable<ImportSourceElement[]>;
@@ -123,21 +126,26 @@ export class HomeModelImpl extends Disposable implements HomeModel, ViewSettings
       return orgs.filter(org => org.id !== currentOrg.id);
     });
 
+  public readonly onlyShowDocuments = getUserPrefObs(this.app.userPrefsObs, 'onlyShowDocuments', {
+    defaultValue: false,
+  }) as Observable<boolean>;
+
   public readonly currentSort: Observable<SortPref>;
   public readonly currentView: Observable<ViewPref>;
 
   // The workspace for new docs, or "unsaved" to only allow unsaved-doc creation, or null if the
   // user isn't allowed to create a doc.
   public readonly newDocWorkspace = Computed.create(this, this.currentPage, this.currentWS, (use, page, ws) => {
-    // Anonymous user can create docs, but in unsaved mode.
-    if (!this.app.currentValidUser) { return "unsaved"; }
+    if (!this.app.currentValidUser) {
+      // Anonymous user can create docs, but in unsaved mode and only when enabled.
+      return getGristConfig().enableAnonPlayground ? 'unsaved' : null;
+    }
     if (page === 'trash') { return null; }
     const destWS = (['all', 'templates'].includes(page)) ? (use(this.workspaces)[0] || null) : ws;
     return destWS && roles.canEdit(destWS.access) ? destWS : null;
   });
 
-  // Whether to show intro: no docs (other than examples).
-  public readonly showIntro = Computed.create(this, this.workspaces, (use, wss) => (
+  public readonly empty = Computed.create(this, this.workspaces, (use, wss) => (
     wss.every((ws) => ws.isSupportWorkspace || ws.docs.length === 0)));
 
   public readonly shouldShowAddNewTip = Observable.create(this,
@@ -343,22 +351,16 @@ export class HomeModelImpl extends Disposable implements HomeModel, ViewSettings
   }
 
   /**
-   * Fetches templates if on the Templates or All Documents page.
-   *
-   * Only fetches featured (pinned) templates on the All Documents page.
+   * Fetches templates if on the Templates page.
    */
   private async _maybeFetchTemplates(): Promise<Workspace[] | null> {
-    const {templateOrg} = getGristConfig();
-    if (!templateOrg) { return null; }
-
-    const currentPage = this.currentPage.get();
-    const shouldFetchTemplates = ['all', 'templates'].includes(currentPage);
-    if (!shouldFetchTemplates) { return null; }
+    if (!getGristConfig().templateOrg || this.currentPage.get() !== 'templates') {
+      return null;
+    }
 
     let templateWss: Workspace[] = [];
     try {
-      const onlyFeatured = currentPage === 'all';
-      templateWss = await this._app.api.getTemplates(onlyFeatured);
+      templateWss = await this._app.api.getTemplates();
     } catch {
       reportError('Failed to load templates');
     }
@@ -381,8 +383,7 @@ export class HomeModelImpl extends Disposable implements HomeModel, ViewSettings
     if (
       !isFeatureEnabled('tutorials') ||
       !templateOrg ||
-      !onboardingTutorialDocId ||
-      this._app.dismissedPopups.get().includes('onboardingCards')
+      !onboardingTutorialDocId
     ) {
       return;
     }