81 lines
2.8 KiB
TypeScript

import { BaseCommand } from '@adonisjs/core/ace'
import { CommandOptions } from '@adonisjs/core/types/ace'
import { Worker } from 'bullmq'
import queueConfig from '#config/queue'
import NntpService from '#services/NntpService'
import { YencFile } from '#services/YencFile'
import File from '#models/file'
import { createExtractorFromData } from 'node-unrar-js'
export default class CollectionWorker extends BaseCommand {
public static commandName = 'worker:collection'
public static description = 'Starts a worker to process file collections (e.g., RAR archives).'
public static options: CommandOptions = {
startApp: true,
}
public async run() {
this.logger.info('Starting collection worker...')
const pool = NntpService
const worker = new Worker('collection-queue', async (job) => {
const { fileId } = job.data
this.logger.debug(`Processing file ID ${fileId} for collection.`)
const file = await File.find(fileId)
if (!file) {
this.logger.error(`File with ID ${fileId} not found in the database.`)
return
}
const RAR_REGEX = /\.part0*1\.rar$/
if (RAR_REGEX.test(file.filename)) {
this.logger.info(`File "${file.filename}" is the first part of a RAR set.`)
const firstPart = file.messageIds['1']
if (!firstPart || !firstPart.id) {
this.logger.error(`Could not find message ID for the first part of file "${file.filename}".`)
return
}
let conn
try {
conn = await pool.acquire()
const bodyBuffer = (await conn.body(`<${firstPart.id}>`)).data
const yencFile = new YencFile()
yencFile.processPart(bodyBuffer)
const decodedBuffer = yencFile.getBuffer()
const extractor = await createExtractorFromData({ data: new Uint8Array(decodedBuffer).buffer })
const fileList = extractor.getFileList()
// In a real implementation, we would save this file list.
this.logger.info(`Files in "${file.filename}": ${JSON.stringify(fileList)}`)
} catch (error: any) {
if (error.code === 430) {
this.logger.error(`Article not found for first part of RAR set (Message ID: ${firstPart.id})`)
} else {
this.logger.error(`Error processing RAR file: ${error.message}`)
}
} finally {
if (conn) {
pool.release(conn)
}
}
} else {
this.logger.debug(`File "${file.filename}" is not the first part of a RAR set.`)
}
}, { connection: queueConfig.connection })
worker.on('failed', (job, err) => {
this.logger.error(`Collection job ${job?.id} failed: ${err.message}`)
})
this.logger.info('Collection worker started and listening for jobs.')
await new Promise(() => {})
}
}