Small lib for extracting provider and video id from url

video_url.rb

class VideoUrl
  YOUTUBE_FORMATS = [
    %r(https?://youtu\.be/(.+)),
    %r(https?://www\.youtube\.com/watch\?v=(.*?)(&|#|$)),
    %r(https?://www\.youtube\.com/embed/(.*?)(\?|$)),
    %r(https?://www\.youtube\.com/v/(.*?)(#|\?|$)),
    %r(https?://www\.youtube\.com/user/.*?#\w/\w/\w/\w/(.+)\b)
  ]

  VIMEO_FORMATS = [
    %r(https?://vimeo.com\/(\d+)),
    %r(https?:\/\/(www\.)?vimeo.com\/(\d+))
  ]

  attr_accessor :url, :id, :provider

  def initialize(url)
    @url = url.strip
    @provider, @id = parse_video_url
  end

  def parse_video_url
    if url.include? "youtu"
      YOUTUBE_FORMATS.find { |format| url =~ format } and $1
      ["youtube", $1]
    elsif url.include? "vimeo"
      VIMEO_FORMATS.find { |format| url =~ format } and $1
      ["vimeo", $1]
    else
      []
    end
  end
end%