Resolve #4444

src/queue/processors/db/delete-notes.ts

@@ -0,0 +1,55 @@
+import * as Bull from 'bull';
+import * as mongo from 'mongodb';
+
+import { queueLogger } from '../../logger';
+import Note from '../../../models/note';
+import deleteNote from '../../../services/note/delete';
+import User from '../../../models/user';
+
+const logger = queueLogger.createSubLogger('delete-notes');
+
+export async function deleteNotes(job: Bull.Job, done: any): Promise<void> {
+	logger.info(`Deleting notes of ${job.data.user._id} ...`);
+
+	const user = await User.findOne({
+		_id: new mongo.ObjectID(job.data.user._id.toString())
+	});
+
+	let deletedCount = 0;
+	let ended = false;
+	let cursor: any = null;
+
+	while (!ended) {
+		const notes = await Note.find({
+			userId: user._id,
+			...(cursor ? { _id: { $gt: cursor } } : {})
+		}, {
+			limit: 100,
+			sort: {
+				_id: 1
+			}
+		});
+
+		if (notes.length === 0) {
+			ended = true;
+			job.progress(100);
+			break;
+		}
+
+		cursor = notes[notes.length - 1]._id;
+
+		for (const note of notes) {
+			await deleteNote(user, note, true);
+			deletedCount++;
+		}
+
+		const total = await Note.count({
+			userId: user._id,
+		});
+
+		job.progress(deletedCount / total);
+	}
+
+	logger.succ(`All notes (${deletedCount}) of ${user._id} has been deleted.`);
+	done();
+}