Notification (#934)

Signed-off-by: Denis Bykhov <80476319+BykhovDenis@users.noreply.github.com>

plugins/notification/src/index.ts

@@ -0,0 +1,46 @@
+//
+// Copyright © 2020, 2021 Anticrm Platform Contributors.
+// Copyright © 2021, 2022 Hardcore Engineering Inc.
+//
+// Licensed under the Eclipse Public License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License. You may
+// obtain a copy of the License at https://www.eclipse.org/legal/epl-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+import type { Account, AttachedDoc, Class, Ref, Space, Timestamp } from '@anticrm/core'
+import type { Plugin } from '@anticrm/platform'
+import { plugin } from '@anticrm/platform'
+
+/**
+ * @public
+ */
+export interface LastView extends AttachedDoc {
+  lastView: Timestamp
+  user: Ref<Account>
+}
+
+/**
+ * @public
+ */
+export const notificationId = 'notification' as Plugin
+
+/**
+ * @public
+ */
+const notification = plugin(notificationId, {
+  class: {
+    LastView: '' as Ref<Class<LastView>>
+  },
+  space: {
+    Notifications: '' as Ref<Space>
+  }
+})
+
+export default notification