```ruby
module HasVimeoVideo
  class VimeoVideo
    
    def self.regex
      /https?:\/\/(www\.)?vimeo.com\/(\d+)/
    end
    
    def initialize url
      @url = url
    end
    
    def id
      return @id if @id
      return unless @url
      if result = @url.match(self.class.regex)
        @id = result[2]
      end
    end
    
    def info
      return @info if @info
      return unless id
      @info = Vimeo::Simple::Video.info(id)
      if @info.parsed_response and @info.parsed_response[0]
        @info = @info.parsed_response[0]
      else
        @info = nil
      end
    rescue
      @info = nil
    end
    
    def embed_url
      "http://player.vimeo.com/video/#{id}"
    end
    
    def thumbnail
      return unless info
      info["thumbnail_large"]
    end

  end
  
end
```

Use a protocol-relative URL for embeds
user
```ruby
module HasVimeoVideo
  class VimeoVideo
    
    def self.regex
      /https?:\/\/(www\.)?vimeo.com\/(\d+)/
    end
    
    def initialize url
      @url = url
    end
    
    def id
      return @id if @id
      return unless @url
      if result = @url.match(self.class.regex)
        @id = result[2]
      end
    end
    
    def info
      return @info if @info
      return unless id
      @info = Vimeo::Simple::Video.info(id)
      if @info.parsed_response and @info.parsed_response[0]
        @info = @info.parsed_response[0]
      else
        @info = nil
      end
    rescue
      @info = nil
    end
    
    def embed_url
      "//player.vimeo.com/video/#{id}"
    end
    
    def thumbnail
      return unless info
      info["thumbnail_large"]
    end

  end
  
end
```
assistant