perf: Reduce database query

src/services/note/read-specified-note.ts

@@ -0,0 +1,29 @@
+import { publishMainStream } from '../stream';
+import { Note } from '../../models/entities/note';
+import { User } from '../../models/entities/user';
+import { NoteUnreads } from '../../models';
+import { In } from 'typeorm';
+
+/**
+ * Mark a specified note as read
+ */
+export async function readSpecifiedNote(
+	userId: User['id'],
+	noteIds: Note['id'][]
+) {
+	// Remove the records
+	await NoteUnreads.delete({
+		userId: userId,
+		noteId: In(noteIds),
+	});
+
+	const specifiedCount = await NoteUnreads.count({
+		userId: userId,
+		isSpecified: true
+	});
+
+	if (specifiedCount === 0) {
+		// 全て既読になったイベントを発行
+		publishMainStream(userId, 'readAllUnreadSpecifiedNotes');
+	}
+}