129 lines
2.7 KiB
TypeScript
129 lines
2.7 KiB
TypeScript
import * as bq from 'bee-queue';
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import * as tmp from 'tmp';
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import * as fs from 'fs';
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import * as mongo from 'mongodb';
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import { queueLogger } from '../logger';
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import Note, { INote } from '../../models/note';
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import addFile from '../../services/drive/add-file';
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import User from '../../models/user';
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import dateFormat = require('dateformat');
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const logger = queueLogger.createSubLogger('export-notes');
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export async function exportNotes(job: bq.Job, done: any): Promise<void> {
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logger.info(`Exporting notes of ${job.data.user._id} ...`);
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const user = await User.findOne({
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_id: new mongo.ObjectID(job.data.user._id.toString())
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});
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// Create temp file
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const [path, cleanup] = await new Promise<[string, any]>((res, rej) => {
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tmp.file((e, path, fd, cleanup) => {
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if (e) return rej(e);
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res([path, cleanup]);
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});
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});
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logger.info(`Temp file is ${path}`);
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const stream = fs.createWriteStream(path, { flags: 'a' });
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await new Promise((res, rej) => {
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stream.write('[', err => {
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if (err) {
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logger.error(err);
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rej(err);
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} else {
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res();
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}
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});
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});
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let exportedNotesCount = 0;
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let ended = false;
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let cursor: any = null;
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while (!ended) {
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const notes = await Note.find({
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userId: user._id,
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...(cursor ? { _id: { $gt: cursor } } : {})
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}, {
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limit: 100,
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sort: {
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_id: 1
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}
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});
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if (notes.length === 0) {
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ended = true;
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if (job.reportProgress) job.reportProgress(100);
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break;
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}
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cursor = notes[notes.length - 1]._id;
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for (const note of notes) {
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const content = JSON.stringify(serialize(note));
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await new Promise((res, rej) => {
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stream.write(exportedNotesCount === 0 ? content : ',\n' + content, err => {
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if (err) {
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logger.error(err);
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rej(err);
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} else {
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res();
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}
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});
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});
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exportedNotesCount++;
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}
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const total = await Note.count({
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userId: user._id,
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});
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if (job.reportProgress) job.reportProgress(exportedNotesCount / total);
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}
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await new Promise((res, rej) => {
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stream.write(']', err => {
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if (err) {
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logger.error(err);
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rej(err);
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} else {
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res();
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}
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});
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});
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stream.end();
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logger.succ(`Exported to: ${path}`);
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const fileName = 'notes-' + dateFormat(new Date(), 'yyyy-mm-dd-HH-MM-ss') + '.json';
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const driveFile = await addFile(user, path, fileName);
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logger.succ(`Exported to: ${driveFile._id}`);
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cleanup();
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done();
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}
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function serialize(note: INote): any {
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return {
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id: note._id,
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text: note.text,
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createdAt: note.createdAt,
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fileIds: note.fileIds,
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replyId: note.replyId,
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renoteId: note.renoteId,
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poll: note.poll,
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cw: note.cw,
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viaMobile: note.viaMobile,
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visibility: note.visibility,
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visibleUserIds: note.visibleUserIds,
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appId: note.appId,
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geo: note.geo,
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localOnly: note.localOnly
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};
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}
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