project-nomad/admin/app/controllers/downloads_controller.ts
chriscrosstalk fedee18bd3 feat(downloads): rich progress, friendly names, cancel, and live status (#554)
* feat(downloads): rich progress, friendly names, cancel, and live status

Redesign the Active Downloads UI with four improvements:

- Rich progress: BullMQ jobs now report downloadedBytes/totalBytes instead
  of just a percentage, showing "2.3 GB / 5.1 GB" instead of "78% / 100%"
- Friendly names: dispatch title metadata from curated categories, Content
  Explorer library, Wikipedia selector, and map collections
- Cancel button: Redis-based cross-process abort signal lets users cancel
  active downloads with file cleanup. Confirmation step prevents accidents.
- Live status indicator: green pulsing dot with transfer speed for active
  downloads, orange stall warning after 60s of no data, gray dot for queued

Backward compatible with in-flight jobs that have integer-only progress.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

* fix(downloads): fix cancel, dismiss, speed, and retry bugs

- Speed indicator: only set prevBytesRef on first observation to prevent
  intermediate re-renders from inflating the calculated speed
- Cancel: throw UnrecoverableError on abort to prevent BullMQ retries
- Dismiss: remove stale BullMQ lock before job.remove() so cancelled
  jobs can actually be dismissed
- Retry: add getActiveByUrl() helper that checks job state before
  blocking re-download, auto-cleans terminal jobs
- Wikipedia: reset selection status to failed on cancel so the
  "downloading" state doesn't persist

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

* feat(downloads): improve cancellation logic and surface true BullMQ job states

---------

Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Co-authored-by: Jake Turner <jturner@cosmistack.com>
2026-04-01 23:54:16 -07:00

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TypeScript

import type { HttpContext } from '@adonisjs/core/http'
import { DownloadService } from '#services/download_service'
import { downloadJobsByFiletypeSchema } from '#validators/download'
import { inject } from '@adonisjs/core'
@inject()
export default class DownloadsController {
constructor(private downloadService: DownloadService) {}
async index() {
return this.downloadService.listDownloadJobs()
}
async filetype({ request }: HttpContext) {
const payload = await request.validateUsing(downloadJobsByFiletypeSchema)
return this.downloadService.listDownloadJobs(payload.params.filetype)
}
async removeJob({ params }: HttpContext) {
await this.downloadService.removeFailedJob(params.jobId)
return { success: true }
}
async cancelJob({ params }: HttpContext) {
return this.downloadService.cancelJob(params.jobId)
}
}