(core) set up a trialing list and a call scheduled flag for Grist SaaS

Summary:
This adds support for the automation described in
https://grist.quip.com/rt3tAoEH4kuy/Automate-Sprouts-outreach-email

Test Plan: added tests; will need manual testing and iterative integration work

Reviewers: georgegevoian

Reviewed By: georgegevoian

Differential Revision: https://phab.getgrist.com/D3804

app/client/models/AppModel.ts

@@ -101,6 +101,7 @@ export interface AppModel {
   dismissedWelcomePopups: Observable<DismissedReminder[]>;
 
   pageType: Observable<PageType>;
+  needsOrg: Observable<boolean>;
 
   notifier: Notifier;
   planName: string|null;
@@ -253,6 +254,11 @@ export class AppModelImpl extends Disposable implements AppModel {
   public readonly pageType: Observable<PageType> = Computed.create(this, urlState().state,
     (use, state) => (state.doc ? "doc" : (state.billing ? "billing" : (state.welcome ? "welcome" : "home"))));
 
+  public readonly needsOrg: Observable<boolean> = Computed.create(
+    this, urlState().state, (use, state) => {
+      return !(Boolean(state.welcome) || state.billing === 'scheduled');
+    });
+
   public readonly notifier = this.topAppModel.notifier;
 
   public readonly behavioralPromptsManager: BehavioralPromptsManager =

app/client/ui/AppUI.ts

@@ -53,7 +53,7 @@ export function createAppUI(topAppModel: TopAppModel, appObj: App): IDisposable
 }
 
 function createMainPage(appModel: AppModel, appObj: App) {
-  if (!appModel.currentOrg && appModel.pageType.get() !== 'welcome') {
+  if (!appModel.currentOrg && appModel.needsOrg.get()) {
     const err = appModel.orgError;
     if (err && err.status === 404) {
       return createNotFoundPage(appModel);

app/common/BillingAPI.ts

@@ -4,7 +4,7 @@ import {StringUnion} from 'app/common/StringUnion';
 import {addCurrentOrgToPath} from 'app/common/urlUtils';
 import {BillingAccount, ManagerDelta, OrganizationWithoutAccessInfo} from 'app/common/UserAPI';
 
-export const BillingSubPage = StringUnion('payment');
+export const BillingSubPage = StringUnion('payment', 'scheduled');
 export type BillingSubPage = typeof BillingSubPage.type;
 
 export const BillingPage = StringUnion(...BillingSubPage.values, 'billing');

app/gen-server/lib/HomeDBManager.ts

@@ -83,6 +83,8 @@ export const NotifierEvents = StringUnion(
   'addBillingManager',
   'teamCreator',
   'trialPeriodEndingSoon',
+  'trialingSubscription',
+  'scheduledCall',
 );
 
 export type NotifierEvent = typeof NotifierEvents.type;
@@ -467,6 +469,10 @@ export class HomeDBManager extends EventEmitter {
     return await User.findOne({where: {apiKey}, relations: ["logins"]}) || undefined;
   }
 
+  public async getUserByRef(ref: string): Promise<User|undefined> {
+    return await User.findOne({where: {ref}, relations: ["logins"]}) || undefined;
+  }
+
   public async getUser(userId: number): Promise<User|undefined> {
     return await User.findOne({where: {id: userId}, relations: ["logins"]}) || undefined;
   }