Class: YouTubeChapterGenerationWorker

Inherits:
Object
  • Object
show all
Includes:
Sidekiq::Job
Defined in:
app/workers/youtube_chapter_generation_worker.rb

Overview

Generates YouTube chapter markers via AssemblyAI LLM and persists them as
VideoChapter rows on the Video for review/edit. Push to YouTube happens
from the CRM via YouTube::ChapterService#push_chapters.

Instance Method Summary collapse

Instance Method Details

#perform(video_id) ⇒ Object 



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# File 'app/workers/youtube_chapter_generation_worker.rb', line 12

def perform(video_id)
  video = Video.find_by(id: video_id)
  unless video
    Rails.logger.warn("[YouTubeChapterGenerationWorker] Video #{video_id} not found, skipping")
    return
  end

  if video.youtube_id.blank?
    Rails.logger.info("[YouTubeChapterGenerationWorker] Video #{video_id} has no YouTube ID, skipping")
    mark_failed(video, 'Video has no YouTube ID.')
    return
  end

  unless video.has_structured_transcript_json? && video.structured_transcript_paragraphs.present?
    Rails.logger.info("[YouTubeChapterGenerationWorker] Video #{video_id} has no structured transcript, skipping")
    mark_failed(video, 'Video has no transcript paragraphs.')
    return
  end

  video.update!(
    youtube_chapters_generation_status: 'processing',
    youtube_chapters_generation_error: nil
  )

  Rails.logger.info("[YouTubeChapterGenerationWorker] Generating chapters for video #{video_id}")

  chapter_service = YouTube::ChapterService.new
  chapters = chapter_service.preview_chapters(video)

  if chapters.empty?
    mark_failed(
      video,
      chapter_service.preview_failure_message.presence ||
        'No chapters could be generated. The transcript may be too short, or paragraph timings may be missing — re-run transcript polish, then try again.'
    )
    Rails.logger.warn("[YouTubeChapterGenerationWorker] No chapters for video #{video_id}")
    return
  end

  chapter_service.replace_chapters!(video, chapters)
  video.update!(
    youtube_chapters_generation_status: 'complete',
    youtube_chapters_generation_error: nil
  )

  Rails.logger.info("[YouTubeChapterGenerationWorker] Saved #{chapters.length} chapters for video #{video_id}")
rescue YouTube::OauthService::TokenRefreshError, YouTube::ApiClient::ApiError => e
  v = Video.find_by(id: video_id)
  mark_failed(v, e.message) if v
  Rails.logger.error("[YouTubeChapterGenerationWorker] API/OAuth error for video #{video_id}: #{e.message}")
  raise
rescue StandardError => e
  v = Video.find_by(id: video_id)
  mark_failed(v, e.message) if v
  Rails.logger.error("[YouTubeChapterGenerationWorker] Error for video #{video_id}: #{e.message}")
  raise
end