UBER-845: Add NotificationPresenter to send rich text notifications (#3729)

Signed-off-by: Maxim Karmatskikh <mkarmatskih@gmail.com>

server-plugins/notification/src/index.ts

@@ -15,8 +15,8 @@
 //
 
 import contact, { Employee, Person, PersonAccount } from '@hcengineering/contact'
-import { Account, Class, Doc, Mixin, Ref, Tx } from '@hcengineering/core'
-import { NotificationType } from '@hcengineering/notification'
+import { Account, Class, Doc, Mixin, Ref, Tx, TxCUD } from '@hcengineering/core'
+import { NotificationType, NotificationContent } from '@hcengineering/notification'
 import { Plugin, Resource, plugin } from '@hcengineering/platform'
 import type { TriggerControl, TriggerFunc } from '@hcengineering/server-core'
 
@@ -112,6 +112,23 @@ export interface TypeMatch extends NotificationType {
   func: TypeMatchFunc
 }
 
+/**
+ * @public
+ */
+export type NotificationContentProvider = (
+  doc: Doc,
+  tx: TxCUD<Doc>,
+  target: Ref<Account>,
+  control: TriggerControl
+) => Promise<NotificationContent>
+
+/**
+ * @public
+ */
+export interface NotificationPresenter extends Class<Doc> {
+  presenter: Resource<NotificationContentProvider>
+}
+
 /**
  * @public
  */
@@ -119,7 +136,8 @@ export default plugin(serverNotificationId, {
   mixin: {
     HTMLPresenter: '' as Ref<Mixin<HTMLPresenter>>,
     TextPresenter: '' as Ref<Mixin<TextPresenter>>,
-    TypeMatch: '' as Ref<Mixin<TypeMatch>>
+    TypeMatch: '' as Ref<Mixin<TypeMatch>>,
+    NotificationPresenter: '' as Ref<Mixin<NotificationPresenter>>
   },
   trigger: {
     OnBacklinkCreate: '' as Resource<TriggerFunc>,