Create user last connection datetime

app/gen-server/entity/User.ts

@@ -29,6 +29,9 @@ export class User extends BaseEntity {
   @Column({name: 'first_login_at', type: Date, nullable: true})
   public firstLoginAt: Date | null;
 
+  @Column({name: 'last_connection_at', type: Date, nullable: true})
+  public lastConnectionAt: Date | null;
+
   @OneToOne(type => Organization, organization => organization.owner)
   public personalOrg: Organization;
 

app/gen-server/lib/HomeDBManager.ts

@@ -213,6 +213,7 @@ function isNonGuestGroup(group: Group): group is NonGuestGroup {
 export interface UserProfileChange {
   name?: string;
   isFirstTimeUser?: boolean;
+  newConnection?: boolean;
 }
 
 // Identifies a request to access a document. This combination of values is also used for caching
@@ -614,6 +615,14 @@ export class HomeDBManager extends EventEmitter {
         // any automation for first logins
         if (!props.isFirstTimeUser) { isWelcomed = true; }
       }
+      if (props.newConnection === true) {
+        // set last connection time to now (remove milliseconds for compatibility with other
+        // timestamps in db set by typeorm, and since second level precision is fine)
+        const nowish = new Date();
+        nowish.setMilliseconds(0);
+        user.lastConnectionAt = nowish;
+        needsSave = true;
+      }
       if (needsSave) {
         await user.save();
       }
@@ -701,12 +710,15 @@ export class HomeDBManager extends EventEmitter {
         user.name = (profile && (profile.name || email.split('@')[0])) || '';
         needUpdate = true;
       }
-      if (profile && !user.firstLoginAt) {
+      if (profile) {
-        // set first login time to now (remove milliseconds for compatibility with other
+        // set first login time and last connection time to now (remove milliseconds for compatibility with other
         // timestamps in db set by typeorm, and since second level precision is fine)
         const nowish = new Date();
         nowish.setMilliseconds(0);
+        user.lastConnectionAt = nowish;
+        if (!user.firstLoginAt) {
           user.firstLoginAt = nowish;
+        }
         needUpdate = true;
       }
       if (!user.picture && profile && profile.picture) {

app/gen-server/migration/1713186031023-UserLastConnection.ts

@@ -0,0 +1,18 @@
+import { MigrationInterface, QueryRunner, TableColumn} from 'typeorm';
+
+export class UserLastConnection1713186031023 implements MigrationInterface {
+
+  public async up(queryRunner: QueryRunner): Promise<any> {
+    const sqlite = queryRunner.connection.driver.options.type === 'sqlite';
+    const datetime = sqlite ? "datetime" : "timestamp with time zone";
+    await queryRunner.addColumn('users', new TableColumn({
+      name: 'last_connection_at',
+      type: datetime,
+      isNullable: true
+    }));
+  }
+
+  public async down(queryRunner: QueryRunner): Promise<any> {
+    await queryRunner.dropColumn('users', 'last_connection_at');
+  }
+}

app/server/lib/Client.ts

@@ -501,6 +501,10 @@ export class Client {
     const user = this._profile ? await this._fetchUser(dbManager) : dbManager.getAnonymousUser();
     this._user = user ? dbManager.makeFullUser(user) : undefined;
     this._firstLoginAt = user?.firstLoginAt || null;
+    if (this._user) {
+      // Send the information to the dbManager that the user has a new activity
+      await dbManager.updateUser(this._user.id, {newConnection: true});
+    }
   }
 
   private async _onMessage(message: string): Promise<void> {

app/server/lib/requestUtils.ts

@@ -21,9 +21,9 @@ export const TEST_HTTPS_OFFSET = process.env.GRIST_TEST_HTTPS_OFFSET ?
 
 // Database fields that we permit in entities but don't want to cross the api.
 const INTERNAL_FIELDS = new Set([
-  'apiKey', 'billingAccountId', 'firstLoginAt', 'filteredOut', 'ownerId', 'gracePeriodStart', 'stripeCustomerId',
+  'apiKey', 'billingAccountId', 'firstLoginAt', 'lastConnectionAt', 'filteredOut', 'ownerId', 'gracePeriodStart',
-  'stripeSubscriptionId', 'stripePlanId', 'stripeProductId', 'userId', 'isFirstTimeUser', 'allowGoogleLogin',
+  'stripeCustomerId', 'stripeSubscriptionId', 'stripePlanId', 'stripeProductId', 'userId', 'isFirstTimeUser',
-  'authSubject', 'usage', 'createdBy'
+  'allowGoogleLogin', 'authSubject', 'usage', 'createdBy'
 ]);
 
 /**

test/gen-server/migrations.ts

@@ -41,6 +41,8 @@ import {ForkIndexes1678737195050 as ForkIndexes} from 'app/gen-server/migration/
 import {ActivationPrefs1682636695021 as ActivationPrefs} from 'app/gen-server/migration/1682636695021-ActivationPrefs';
 import {AssistantLimit1685343047786 as AssistantLimit} from 'app/gen-server/migration/1685343047786-AssistantLimit';
 import {Shares1701557445716 as Shares} from 'app/gen-server/migration/1701557445716-Shares';
+import {UserLastConnection1713186031023
+        as UserLastConnection} from 'app/gen-server/migration/1713186031023-UserLastConnection';
 
 const home: HomeDBManager = new HomeDBManager();
 
@@ -49,7 +51,7 @@ const migrations = [Initial, Login, PinDocs, UserPicture, DisplayEmail, DisplayE
                     CustomerIndex, ExtraIndexes, OrgHost, DocRemovedAt, Prefs,
                     ExternalBilling, DocOptions, Secret, UserOptions, GracePeriodStart,
                     DocumentUsage, Activations, UserConnectId, UserUUID, UserUniqueRefUUID,
-                    Forks, ForkIndexes, ActivationPrefs, AssistantLimit, Shares];
+                    Forks, ForkIndexes, ActivationPrefs, AssistantLimit, Shares, UserLastConnection];
 
 // Assert that the "members" acl rule and group exist (or not).
 function assertMembersGroup(org: Organization, exists: boolean) {