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cli/clean-unused-drive-files.js

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+const chalk = require('chalk');
+const log = require('single-line-log').stdout;
+const sequential = require('promise-sequential');
+const { default: DriveFile, deleteDriveFile } = require('../built/models/drive-file');
+const { default: Note } = require('../built/models/note');
+const { default: MessagingMessage } = require('../built/models/messaging-message');
+const { default: User } = require('../built/models/user');
+
+async function main() {
+	const promiseGens = [];
+
+	const count = await DriveFile.count({});
+
+	let prev;
+
+	for (let i = 0; i < count; i++) {
+		promiseGens.push(() => {
+			const promise = new Promise(async (res, rej) => {
+				function skip() {
+					res([i, file, false]);
+				}
+
+				const file = await DriveFile.findOne(prev ? {
+					_id: { $lt: prev._id }
+				} : {}, {
+					sort: {
+						_id: -1
+					}
+				});
+
+				prev = file;
+
+				if (file == null) return skip();
+
+				log(chalk`{gray ${i}} scanning {bold ${file._id}} ${file.filename} ...`);
+
+				const attachingUsersCount = await User.count({
+					$or: [{
+						avatarId: file._id
+					}, {
+						bannerId: file._id
+					}]
+				}, { limit: 1 });
+				if (attachingUsersCount !== 0) return skip();
+
+				const attachingNotesCount = await Note.count({
+					mediaIds: file._id
+				}, { limit: 1 });
+				if (attachingNotesCount !== 0) return skip();
+
+				const attachingMessagesCount = await MessagingMessage.count({
+					fileId: file._id
+				}, { limit: 1 });
+				if (attachingMessagesCount !== 0) return skip();
+
+				deleteDriveFile(file).then(() => {
+					res([i, file, true]);
+				}).catch(rej);
+			});
+
+			promise.then(([i, file, deleted]) => {
+				if (deleted) {
+					log(chalk`{gray ${i}} {red deleted: {bold ${file._id}} ${file.filename}}`);
+				} else {
+					log(chalk`{gray ${i}} {green skipped: {bold ${file._id}} ${file.filename}}`);
+				}
+				log.clear();
+				console.log();
+			});
+
+			return promise;
+		});
+	}
+
+	return await sequential(promiseGens);
+}
+
+main().then(() => {
+	console.log('done');
+}).catch(console.error);