Class: Youtube::VideoFetcher

Inherits:
Object
  • Object
show all
Defined in:
app/my_lib/youtube/video_fetcher.rb

Constant Summary collapse

BASE_URL = 
'https://www.googleapis.com/youtube/v3'.freeze
CACHE_EXPIRATION = 
24.hours
REDIS_EXPIRATION_IN_SECONDS =

1 hour

3600

Instance Method Summary collapse

Constructor Details

#initialize ⇒ VideoFetcher

Returns a new instance of VideoFetcher.



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# File 'app/my_lib/youtube/video_fetcher.rb', line 9

def initialize
  @api_key = Figaro.env.YOUTUBE_API_KEY!
end

Instance Method Details

#fetch_json_ld_schema(video_url) ⇒ Object 



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# File 'app/my_lib/youtube/video_fetcher.rb', line 58

def fetch_json_ld_schema(video_url)
  return {} if video_url.blank?

  video_object = fetch_video_details(video_url)
  return {} if video_object.blank?

  {
    "@context": 'https://schema.org',
    "@type": 'VideoObject',
    name: video_object[:title],
    description: video_object[:description],
    uploadDate: video_object[:published_at],
    thumbnailUrl: video_object[:thumbnail_url],
    contentUrl: video_object[:contentUrl],
    embedUrl: video_object[:embedUrl],
    duration: video_object[:duration],
  }
rescue StandardError => e
  HH_LOGGER.error("Error fetching JSON-LD schema for #{video_url}: #{e.message}")
  {}
end

#fetch_video_details(video_url) ⇒ Object 



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# File 'app/my_lib/youtube/video_fetcher.rb', line 13

def fetch_video_details(video_url)
  video_id = extract_video_id(video_url)
  return {} if video_id.blank?

  cached_video = Rails.cache.read(cache_key(video_id))
  cached_timestamp = Rails.cache.read(timestamp_cache_key(video_id))

  if cached_video && cached_timestamp && !stale?(cached_timestamp)
    return cached_video
  end

  redis_data = redis_get(video_id)
  if redis_data.present?
    # Update Rails cache
    Rails.cache.write(cache_key(video_id), redis_data, expires_in: CACHE_EXPIRATION)
    Rails.cache.write(timestamp_cache_key(video_id), Time.current_time, expires_in: CACHE_EXPIRATION)
    return redis_data
  end

  # Ref: https://developers.google.com/youtube/v3/docs/videos/list
  response = DefaultFaradayClient.create_faraday_connection.get(
    "#{BASE_URL}/videos", {
      id: video_id,
      part: 'snippet,contentDetails',
      key: @api_key,
    }
  )

  video_details = parse_response(video_id, response)
  if video_details.present?
    # Update both caches
    Rails.cache.write(cache_key(video_id), video_details, expires_in: CACHE_EXPIRATION)
    Rails.cache.write(timestamp_cache_key(video_id), Time.current_time, expires_in: CACHE_EXPIRATION)
    redis_set(video_id, video_details)
  end

  video_details
rescue Faraday::TimeoutError, Faraday::ConnectionFailed => e
  APMErrorHandler.report("Youtube API: Timeout error occurred while fetching #{video_url}: #{e.message}")
  {}
rescue StandardError => e
  HH_LOGGER.error("Error fetching video details for #{video_url}: #{e.message}")
  {}
end