refactoring

Resolve #7779

packages/backend/src/services/note/watch.ts

@@ -0,0 +1,20 @@
+import { User } from '@/models/entities/user';
+import { Note } from '@/models/entities/note';
+import { NoteWatchings } from '@/models/index';
+import { genId } from '@/misc/gen-id';
+import { NoteWatching } from '@/models/entities/note-watching';
+
+export default async (me: User['id'], note: Note) => {
+	// 自分の投稿はwatchできない
+	if (me === note.userId) {
+		return;
+	}
+
+	await NoteWatchings.insert({
+		id: genId(),
+		createdAt: new Date(),
+		noteId: note.id,
+		userId: me,
+		noteUserId: note.userId
+	} as NoteWatching);
+};