Implement #2736

src/services/note/unread.ts

@@ -0,0 +1,47 @@
+import NoteUnread from '../../models/note-unread';
+import User, { IUser } from '../../models/user';
+import { INote } from '../../models/note';
+import Mute from '../../models/mute';
+import { publishUserStream } from '../../stream';
+
+export default async function(user: IUser, note: INote, isSpecified = false) {
+	const unread = await NoteUnread.insert({
+		noteId: note._id,
+		userId: user._id,
+		isSpecified,
+		_note: {
+			userId: note.userId
+		}
+	});
+
+	// 3秒経っても既読にならなかったら「未読の投稿がありますよ」イベントを発行する
+	setTimeout(async () => {
+		const exist = await NoteUnread.findOne({ _id: unread._id });
+		if (exist == null) return;
+
+		//#region ただしミュートされているなら発行しない
+		const mute = await Mute.find({
+			muterId: user._id
+		});
+		const mutedUserIds = mute.map(m => m.muteeId.toString());
+		if (mutedUserIds.includes(note.userId.toString())) return;
+		//#endregion
+
+		User.update({
+			_id: user._id
+		}, {
+			$set: isSpecified ? {
+				hasUnreadSpecifiedNotes: true,
+				hasUnreadMentions: true
+			} : {
+				hasUnreadMentions: true
+			}
+		});
+
+		publishUserStream(user._id, 'unreadMention', note._id);
+
+		if (isSpecified) {
+			publishUserStream(user._id, 'unreadSpecifiedNote', note._id);
+		}
+	}, 3000);
+}