Module: YoutubeTitles

Included in:

Comment, StatusMessage

Defined in:

lib/youtube_titles.rb

Constant Summary

YOUTUBE_ID_REGEX =

/(?:https?:\/\/)(?:youtu\.be\/|(?:[a-z]{2,3}\.)?youtube\.com\/watch(?:\?|#!|.+&|.+&)v=)([\w-]{11})(?:\S*(#[^ ]+)|\S+)?/im unless defined? YOUTUBE_ID_REGEX

Class Method Summary (collapse)

• + (Object) included(model)

Instance Method Summary (collapse)

• - (Object) get_youtube_title(text)
• - (Object) youtube_title_for(video_id)

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# File 'lib/youtube_titles.rb', line 2

def self.included(model)
  model.class_eval do
    before_save do
      get_youtube_title text
    end
  end if model.respond_to?(:before_save)
end

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# File 'lib/youtube_titles.rb', line 21

def get_youtube_title text
  youtube_match = text.enum_for(:scan, YOUTUBE_ID_REGEX).map { Regexp.last_match }
  return if youtube_match.empty?

  self.youtube_titles ||= {}
  youtube_match.each do |match_data|
    self.youtube_titles[match_data[1]] = CGI::escape(youtube_title_for(match_data[1]))
  end
end

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# File 'lib/youtube_titles.rb', line 10

def youtube_title_for video_id
  http = Net::HTTP.new('gdata.youtube.com', 80)
  path = "/feeds/api/videos/#{video_id}?v=2"
  resp, data = http.get(path, nil)
  title = data.match(/<title>(.*)<\/title>/)
  unless title.nil?
    title = title.to_s[7..-9]
  end
  title || I18n.t('application.helper.video_title.unknown')
end