Add optional export notifications (#3935)

* Add `emails.export_completed` notification to settings menu

Signed-off-by: AKP <tom@tdpain.net>

* Don't send email when export_completed notifications are disabled

Signed-off-by: AKP <tom@tdpain.net>

* Automatically subscribe new users to `export_completed` notifications

Signed-off-by: AKP <tom@tdpain.net>

* Alter secondary text on export page to mention optional notifications

Signed-off-by: AKP <tom@tdpain.net>

* Alter toast text on collection export for optional notifications

Signed-off-by: AKP <tom@tdpain.net>

* Only subscribe new admins to export notifs

Signed-off-by: AKP <tom@tdpain.net>

* Move `export_completed` notification decision into `beforeSend`

Signed-off-by: AKP <tom@tdpain.net>

* Update server/emails/templates/ExportFailureEmail.tsx

Co-authored-by: Tom Moor <tom.moor@gmail.com>

* Update server/emails/templates/ExportSuccessEmail.tsx

Co-authored-by: Tom Moor <tom.moor@gmail.com>

Signed-off-by: AKP <tom@tdpain.net>
Co-authored-by: Tom Moor <tom.moor@gmail.com>

server/models/NotificationSetting.ts

@@ -41,6 +41,7 @@ class NotificationSetting extends Model {
       "emails.invite_accepted",
       "emails.onboarding",
       "emails.features",
+      "emails.export_completed",
     ],
   ])
   @Column(DataType.STRING)

server/models/User.ts

@@ -497,7 +497,9 @@ class User extends ParanoidModel {
   };
 
   // By default when a user signs up we subscribe them to email notifications
-  // when documents they created are edited by other team members and onboarding
+  // when documents they created are edited by other team members and onboarding.
+  // If the user is an admin, they will also be subscribed to export_completed
+  // notifications.
   @AfterCreate
   static subscribeToNotifications = async (
     model: User,
@@ -537,6 +539,17 @@ class User extends ParanoidModel {
         transaction: options.transaction,
       }),
     ]);
+
+    if (model.isAdmin) {
+      await NotificationSetting.findOrCreate({
+        where: {
+          userId: model.id,
+          teamId: model.teamId,
+          event: "emails.export_completed",
+        },
+        transaction: options.transaction,
+      });
+    }
   };
 
   static getCounts = async function (teamId: string) {