1 files changed, 132 insertions, 0 deletions
diff --git a/packages/backend/src/services/note/read.ts b/packages/backend/src/services/note/read.ts
new file mode 100644
index 0000000000..f25f86da9c
--- /dev/null
+++ b/packages/backend/src/services/note/read.ts
@@ -0,0 +1,132 @@
+import { publishMainStream } from '@/services/stream';
+import { Note } from '@/models/entities/note';
+import { User } from '@/models/entities/user';
+import { NoteUnreads, AntennaNotes, Users, Followings, ChannelFollowings } from '@/models/index';
+import { Not, IsNull, In } from 'typeorm';
+import { Channel } from '@/models/entities/channel';
+import { checkHitAntenna } from '@/misc/check-hit-antenna';
+import { getAntennas } from '@/misc/antenna-cache';
+import { readNotificationByQuery } from '@/server/api/common/read-notification';
+import { Packed } from '@/misc/schema';
+
+/**
+ * Mark notes as read
+ */
+export default async function(
+	userId: User['id'],
+	notes: (Note | Packed<'Note'>)[],
+	info?: {
+		following: Set<User['id']>;
+		followingChannels: Set<Channel['id']>;
+	}
+) {
+	const following = info?.following ? info.following : new Set<string>((await Followings.find({
+		where: {
+			followerId: userId
+		},
+		select: ['followeeId']
+	})).map(x => x.followeeId));
+	const followingChannels = info?.followingChannels ? info.followingChannels : new Set<string>((await ChannelFollowings.find({
+		where: {
+			followerId: userId
+		},
+		select: ['followeeId']
+	})).map(x => x.followeeId));
+
+	const myAntennas = (await getAntennas()).filter(a => a.userId === userId);
+	const readMentions: (Note | Packed<'Note'>)[] = [];
+	const readSpecifiedNotes: (Note | Packed<'Note'>)[] = [];
+	const readChannelNotes: (Note | Packed<'Note'>)[] = [];
+	const readAntennaNotes: (Note | Packed<'Note'>)[] = [];
+
+	for (const note of notes) {
+		if (note.mentions && note.mentions.includes(userId)) {
+			readMentions.push(note);
+		} else if (note.visibleUserIds && note.visibleUserIds.includes(userId)) {
+			readSpecifiedNotes.push(note);
+		}
+
+		if (note.channelId && followingChannels.has(note.channelId)) {
+			readChannelNotes.push(note);
+		}
+
+		if (note.user != null) { // たぶんnullになることは無いはずだけど一応
+			for (const antenna of myAntennas) {
+				if (await checkHitAntenna(antenna, note, note.user as any, undefined, Array.from(following))) {
+					readAntennaNotes.push(note);
+				}
+			}
+		}
+	}
+
+	if ((readMentions.length > 0) || (readSpecifiedNotes.length > 0) || (readChannelNotes.length > 0)) {
+		// Remove the record
+		await NoteUnreads.delete({
+			userId: userId,
+			noteId: In([...readMentions.map(n => n.id), ...readSpecifiedNotes.map(n => n.id), ...readChannelNotes.map(n => n.id)]),
+		});
+
+		// TODO: ↓まとめてクエリしたい
+
+		NoteUnreads.count({
+			userId: userId,
+			isMentioned: true
+		}).then(mentionsCount => {
+			if (mentionsCount === 0) {
+				// 全て既読になったイベントを発行
+				publishMainStream(userId, 'readAllUnreadMentions');
+			}
+		});
+
+		NoteUnreads.count({
+			userId: userId,
+			isSpecified: true
+		}).then(specifiedCount => {
+			if (specifiedCount === 0) {
+				// 全て既読になったイベントを発行
+				publishMainStream(userId, 'readAllUnreadSpecifiedNotes');
+			}
+		});
+
+		NoteUnreads.count({
+			userId: userId,
+			noteChannelId: Not(IsNull())
+		}).then(channelNoteCount => {
+			if (channelNoteCount === 0) {
+				// 全て既読になったイベントを発行
+				publishMainStream(userId, 'readAllChannels');
+			}
+		});
+
+		readNotificationByQuery(userId, {
+			noteId: In([...readMentions.map(n => n.id), ...readSpecifiedNotes.map(n => n.id)]),
+		});
+	}
+
+	if (readAntennaNotes.length > 0) {
+		await AntennaNotes.update({
+			antennaId: In(myAntennas.map(a => a.id)),
+			noteId: In(readAntennaNotes.map(n => n.id))
+		}, {
+			read: true
+		});
+
+		// TODO: まとめてクエリしたい
+		for (const antenna of myAntennas) {
+			const count = await AntennaNotes.count({
+				antennaId: antenna.id,
+				read: false
+			});
+
+			if (count === 0) {
+				publishMainStream(userId, 'readAntenna', antenna);
+			}
+		}
+
+		Users.getHasUnreadAntenna(userId).then(unread => {
+			if (!unread) {
+				publishMainStream(userId, 'readAllAntennas');
+			}
+		});
+	}
+}