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/*
* SPDX-FileCopyrightText: syuilo and misskey-project
* SPDX-License-Identifier: AGPL-3.0-only
*/
import * as fs from 'node:fs';
import { Inject, Injectable } from '@nestjs/common';
import { MoreThan } from 'typeorm';
import { format as dateFormat } from 'date-fns';
import { DI } from '@/di-symbols.js';
import type { MiNoteFavorite, NoteFavoritesRepository, PollsRepository, MiUser, UsersRepository } from '@/models/_.js';
import type Logger from '@/logger.js';
import { DriveService } from '@/core/DriveService.js';
import { createTemp } from '@/misc/create-temp.js';
import type { MiPoll } from '@/models/Poll.js';
import type { MiNote } from '@/models/Note.js';
import { bindThis } from '@/decorators.js';
import { IdService } from '@/core/IdService.js';
import { NotificationService } from '@/core/NotificationService.js';
import { QueueLoggerService } from '../QueueLoggerService.js';
import type * as Bull from 'bullmq';
import type { DbJobDataWithUser } from '../types.js';
@Injectable()
export class ExportFavoritesProcessorService {
private logger: Logger;
constructor(
@Inject(DI.usersRepository)
private usersRepository: UsersRepository,
@Inject(DI.pollsRepository)
private pollsRepository: PollsRepository,
@Inject(DI.noteFavoritesRepository)
private noteFavoritesRepository: NoteFavoritesRepository,
private driveService: DriveService,
private queueLoggerService: QueueLoggerService,
private idService: IdService,
private notificationService: NotificationService,
) {
this.logger = this.queueLoggerService.logger.createSubLogger('export-favorites');
}
@bindThis
public async process(job: Bull.Job<DbJobDataWithUser>): Promise<void> {
const user = await this.usersRepository.findOneBy({ id: job.data.user.id });
if (user == null) {
this.logger.debug(`Skip: user ${job.data.user.id} does not exist`);
return;
}
this.logger.info(`Exporting favorites of ${job.data.user.id} ...`);
// Create temp file
const [path, cleanup] = await createTemp();
this.logger.debug(`Temp file is ${path}`);
try {
const stream = fs.createWriteStream(path, { flags: 'a' });
const write = (text: string): Promise<void> => {
return new Promise<void>((res, rej) => {
stream.write(text, err => {
if (err) {
this.logger.error('Error exporting favorites:', err);
rej(err);
} else {
res();
}
});
});
};
await write('[');
let exportedFavoritesCount = 0;
let cursor: MiNoteFavorite['id'] | null = null;
while (true) {
const favorites = await this.noteFavoritesRepository.find({
where: {
userId: user.id,
...(cursor ? { id: MoreThan(cursor) } : {}),
},
take: 100,
order: {
id: 1,
},
relations: ['note', 'note.user'],
}) as (MiNoteFavorite & { note: MiNote & { user: MiUser } })[];
if (favorites.length === 0) {
job.updateProgress(100);
break;
}
cursor = favorites.at(-1)?.id ?? null;
for (const favorite of favorites) {
let poll: MiPoll | undefined;
if (favorite.note.hasPoll) {
poll = await this.pollsRepository.findOneByOrFail({ noteId: favorite.note.id });
}
const content = JSON.stringify(this.serialize(favorite, poll));
const isFirst = exportedFavoritesCount === 0;
await write(isFirst ? content : ',\n' + content);
exportedFavoritesCount++;
}
const total = await this.noteFavoritesRepository.countBy({
userId: user.id,
});
job.updateProgress(exportedFavoritesCount / total);
}
await write(']');
stream.end();
this.logger.debug(`Exported to: ${path}`);
const fileName = 'favorites-' + dateFormat(new Date(), 'yyyy-MM-dd-HH-mm-ss') + '.json';
const driveFile = await this.driveService.addFile({ user, path, name: fileName, force: true, ext: 'json' });
this.logger.debug(`Exported to: ${driveFile.id}`);
this.notificationService.createNotification(user.id, 'exportCompleted', {
exportedEntity: 'favorite',
fileId: driveFile.id,
});
} finally {
cleanup();
}
}
private serialize(favorite: MiNoteFavorite & { note: MiNote & { user: MiUser } }, poll: MiPoll | null = null): Record<string, unknown> {
return {
id: favorite.id,
createdAt: this.idService.parse(favorite.id).date.toISOString(),
note: {
id: favorite.note.id,
text: favorite.note.text,
createdAt: this.idService.parse(favorite.note.id).date.toISOString(),
fileIds: favorite.note.fileIds,
replyId: favorite.note.replyId,
renoteId: favorite.note.renoteId,
poll: poll,
cw: favorite.note.cw,
visibility: favorite.note.visibility,
visibleUserIds: favorite.note.visibleUserIds,
localOnly: favorite.note.localOnly,
reactionAcceptance: favorite.note.reactionAcceptance,
uri: favorite.note.uri,
url: favorite.note.url,
user: {
id: favorite.note.user.id,
name: favorite.note.user.name,
username: favorite.note.user.username,
host: favorite.note.user.host,
uri: favorite.note.user.uri,
},
},
};
}
}
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