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/*
* SPDX-FileCopyrightText: syuilo and misskey-project
* SPDX-License-Identifier: AGPL-3.0-only
*/
import * as fs from 'node:fs';
import { Writable } from 'node:stream';
import { Inject, Injectable } from '@nestjs/common';
import { format as dateFormat } from 'date-fns';
import { DI } from '@/di-symbols.js';
import type { ClipNotesRepository, ClipsRepository, MiClip, MiClipNote, MiUser, PollsRepository, 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 { QueryService } from '@/core/QueryService.js';
import { shouldHideNoteByTime } from '@/misc/should-hide-note-by-time.js';
import { QueueLoggerService } from '../QueueLoggerService.js';
import type * as Bull from 'bullmq';
import type { DbJobDataWithUser } from '../types.js';
@Injectable()
export class ExportClipsProcessorService {
private logger: Logger;
constructor(
@Inject(DI.usersRepository)
private usersRepository: UsersRepository,
@Inject(DI.pollsRepository)
private pollsRepository: PollsRepository,
@Inject(DI.clipsRepository)
private clipsRepository: ClipsRepository,
@Inject(DI.clipNotesRepository)
private clipNotesRepository: ClipNotesRepository,
private driveService: DriveService,
private queueLoggerService: QueueLoggerService,
private queryService: QueryService,
private idService: IdService,
private notificationService: NotificationService,
) {
this.logger = this.queueLoggerService.logger.createSubLogger('export-clips');
}
@bindThis
public async process(job: Bull.Job<DbJobDataWithUser>): Promise<void> {
this.logger.info(`Exporting clips of ${job.data.user.id} ...`);
const user = await this.usersRepository.findOneBy({ id: job.data.user.id });
if (user == null) {
return;
}
// Create temp file
const [path, cleanup] = await createTemp();
this.logger.info(`Temp file is ${path}`);
try {
const stream = Writable.toWeb(fs.createWriteStream(path, { flags: 'a' }));
const writer = stream.getWriter();
writer.closed.catch(this.logger.error);
await writer.write('[');
await this.processClips(writer, user, job);
await writer.write(']');
await writer.close();
this.logger.succ(`Exported to: ${path}`);
const fileName = 'clips-' + 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.succ(`Exported to: ${driveFile.id}`);
this.notificationService.createNotification(user.id, 'exportCompleted', {
exportedEntity: 'clip',
fileId: driveFile.id,
});
} finally {
cleanup();
}
}
async processClips(writer: WritableStreamDefaultWriter, user: MiUser, job: Bull.Job<DbJobDataWithUser>) {
let exportedClipsCount = 0;
let cursor: MiClip['id'] | null = null;
const total = await this.clipsRepository.countBy({
userId: user.id,
});
while (true) {
const query = this.clipsRepository.createQueryBuilder('clip')
.where('clip.userId = :userId', { userId: user.id })
.orderBy('clip.id', 'ASC')
.take(100);
if (cursor) {
query.andWhere('clip.id > :cursor', { cursor });
}
const clips = await query.getMany();
if (clips.length === 0) {
job.updateProgress(100);
break;
}
cursor = clips.at(-1)?.id ?? null;
for (const clip of clips) {
// Stringify but remove the last `]}`
const content = JSON.stringify(this.serializeClip(clip)).slice(0, -2);
const isFirst = exportedClipsCount === 0;
await writer.write(isFirst ? content : ',\n' + content);
await this.processClipNotes(writer, clip.id, user.id);
await writer.write(']}');
exportedClipsCount++;
}
job.updateProgress(exportedClipsCount / total * 100);
}
}
async processClipNotes(writer: WritableStreamDefaultWriter, clipId: string, userId: string): Promise<void> {
let exportedClipNotesCount = 0;
let cursor: MiClipNote['id'] | null = null;
while (true) {
const query = this.clipNotesRepository.createQueryBuilder('clipNote')
.leftJoinAndSelect('clipNote.note', 'note')
.leftJoinAndSelect('note.user', 'user')
.where('clipNote.clipId = :clipId', { clipId })
.orderBy('clipNote.id', 'ASC')
.take(100);
if (cursor) {
query.andWhere('clipNote.id > :cursor', { cursor });
}
this.queryService.generateVisibilityQuery(query, { id: userId });
const clipNotes = await query.getMany() as (MiClipNote & { note: MiNote & { user: MiUser } })[];
if (clipNotes.length === 0) {
break;
}
cursor = clipNotes.at(-1)?.id ?? null;
for (const clipNote of clipNotes) {
const noteCreatedAt = this.idService.parse(clipNote.note.id).date;
if (shouldHideNoteByTime(clipNote.note.user.makeNotesHiddenBefore, noteCreatedAt)) {
continue;
}
let poll: MiPoll | undefined;
if (clipNote.note.hasPoll) {
poll = await this.pollsRepository.findOneByOrFail({ noteId: clipNote.note.id });
}
const content = JSON.stringify(this.serializeClipNote(clipNote, poll));
const isFirst = exportedClipNotesCount === 0;
await writer.write(isFirst ? content : ',\n' + content);
exportedClipNotesCount++;
}
}
}
private serializeClip(clip: MiClip): Record<string, unknown> {
return {
id: clip.id,
name: clip.name,
description: clip.description,
lastClippedAt: clip.lastClippedAt?.toISOString(),
clipNotes: [],
};
}
private serializeClipNote(clip: MiClipNote & { note: MiNote & { user: MiUser } }, poll: MiPoll | undefined): Record<string, unknown> {
return {
id: clip.id,
createdAt: this.idService.parse(clip.id).date.toISOString(),
note: {
id: clip.note.id,
text: clip.note.text,
createdAt: this.idService.parse(clip.note.id).date.toISOString(),
fileIds: clip.note.fileIds,
replyId: clip.note.replyId,
renoteId: clip.note.renoteId,
poll: poll,
cw: clip.note.cw,
visibility: clip.note.visibility,
visibleUserIds: clip.note.visibleUserIds,
localOnly: clip.note.localOnly,
reactionAcceptance: clip.note.reactionAcceptance,
uri: clip.note.uri,
url: clip.note.url,
user: {
id: clip.note.user.id,
name: clip.note.user.name,
username: clip.note.user.username,
host: clip.note.user.host,
uri: clip.note.user.uri,
},
},
};
}
}
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