Sharkey/packages/backend/src/queue/processors/ExportFollowingProcessorService.ts

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import * as fs from 'node:fs';
import { Inject, Injectable } from '@nestjs/common';
import { In, MoreThan, Not } from 'typeorm';
import { format as dateFormat } from 'date-fns';
import { DI } from '@/di-symbols.js';
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import type { UsersRepository, FollowingsRepository, MutingsRepository } from '@/models/index.js';
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import type { Config } from '@/config.js';
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import type Logger from '@/logger.js';
import { DriveService } from '@/core/DriveService.js';
import { createTemp } from '@/misc/create-temp.js';
import type { Following } from '@/models/entities/Following.js';
import { UtilityService } from '@/core/UtilityService.js';
import { bindThis } from '@/decorators.js';
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import { QueueLoggerService } from '../QueueLoggerService.js';
import type * as Bull from 'bullmq';
import type { DbExportFollowingData } from '../types.js';
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@Injectable()
export class ExportFollowingProcessorService {
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private logger: Logger;
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constructor(
@Inject(DI.config)
private config: Config,
@Inject(DI.usersRepository)
private usersRepository: UsersRepository,
@Inject(DI.followingsRepository)
private followingsRepository: FollowingsRepository,
@Inject(DI.mutingsRepository)
private mutingsRepository: MutingsRepository,
private utilityService: UtilityService,
private driveService: DriveService,
private queueLoggerService: QueueLoggerService,
) {
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this.logger = this.queueLoggerService.logger.createSubLogger('export-following');
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}
@bindThis
public async process(job: Bull.Job<DbExportFollowingData>): Promise<void> {
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this.logger.info(`Exporting following of ${job.data.user.id} ...`);
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const user = await this.usersRepository.findOneBy({ id: job.data.user.id });
if (user == null) {
return;
}
// Create temp file
const [path, cleanup] = await createTemp();
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this.logger.info(`Temp file is ${path}`);
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try {
const stream = fs.createWriteStream(path, { flags: 'a' });
let cursor: Following['id'] | null = null;
const mutings = job.data.excludeMuting ? await this.mutingsRepository.findBy({
muterId: user.id,
}) : [];
while (true) {
const followings = await this.followingsRepository.find({
where: {
followerId: user.id,
...(mutings.length > 0 ? { followeeId: Not(In(mutings.map(x => x.muteeId))) } : {}),
...(cursor ? { id: MoreThan(cursor) } : {}),
},
take: 100,
order: {
id: 1,
},
}) as Following[];
if (followings.length === 0) {
break;
}
cursor = followings.at(-1)?.id ?? null;
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for (const following of followings) {
const u = await this.usersRepository.findOneBy({ id: following.followeeId });
if (u == null) {
continue;
}
if (job.data.excludeInactive && u.updatedAt && (Date.now() - u.updatedAt.getTime() > 1000 * 60 * 60 * 24 * 90)) {
continue;
}
const content = this.utilityService.getFullApAccount(u.username, u.host);
await new Promise<void>((res, rej) => {
stream.write(content + '\n', err => {
if (err) {
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this.logger.error(err);
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rej(err);
} else {
res();
}
});
});
}
}
stream.end();
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this.logger.succ(`Exported to: ${path}`);
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const fileName = 'following-' + dateFormat(new Date(), 'yyyy-MM-dd-HH-mm-ss') + '.csv';
const driveFile = await this.driveService.addFile({ user, path, name: fileName, force: true, ext: 'csv' });
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this.logger.succ(`Exported to: ${driveFile.id}`);
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} finally {
cleanup();
}
}
}