Class: VideoProcessing::SeoService

Inherits:
Object
  • Object
show all
Defined in:
app/services/video_processing/seo_service.rb

Overview

Generates SEO content for videos using the LLM via VideoProcessing::SeoAgent.
Uses RubyLLM with_schema for structured JSON output (sub_header, meta_title,
meta_description, expanded_description).

Instance Method Summary collapse

Constructor Details

#initialize(video) ⇒ SeoService

Returns a new instance of SeoService.



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# File 'app/services/video_processing/seo_service.rb', line 9

def initialize(video)
  @video = video
end

Instance Method Details

#generate_seo_content ⇒ Object

Generate all SEO content (meta title, meta description, expanded description, sub_header)



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# File 'app/services/video_processing/seo_service.rb', line 14

def generate_seo_content
  Rails.logger.info "Generating SEO content for video #{@video.id} using LLM..."

  # Extract clean transcript text
  transcript_text = extract_clean_transcript_text

  unless transcript_text.present?
    Rails.logger.error "Cannot generate SEO content for video #{@video.id} - no transcript available"
    return error_response('No transcript available')
  end

  Rails.logger.info "Transcript text length: #{transcript_text.length} characters"
  Rails.logger.info "Transcript text preview: #{transcript_text[0..200]}..."

  # Generate all SEO content using AssemblyAI LLM Gateway
  seo_content = generate_all_seo_content(transcript_text)

  Rails.logger.info "Generated sub_header: #{seo_content['sub_header']}"
  Rails.logger.info "Generated meta_title: #{seo_content['meta_title']}"
  Rails.logger.info "Generated meta_description: #{seo_content['meta_description']}"
  Rails.logger.info "Generated expanded_description: #{seo_content['expanded_description']&.slice(0, 200)}..."

  # Return the SEO content
  seo_content
end