class Decidim::Meetings::MeetingIframeEmbedder

the structure of the URL.
in the live event. For some services it’s required to transforma a bit
This class handles the streaming url to be included in the iframe present

def embed_code(request_host)

def embed_code(request_host)
  return nil if parsed_online_meeting_uri.nil?
  <<~HTML
    <div class="disabled-iframe">
      <!-- <iframe
        allow="camera; microphone; fullscreen; display-capture; autoplay"
        loading="lazy"
        src="#{embed_transformed_url(request_host)}"
        style="height: 100%; width: 100%; border: 0px;"></iframe> -->
    </div>
  HTML
end

def embed_transformed_url(request_host)

def embed_transformed_url(request_host)
  return nil if parsed_online_meeting_uri.nil?
  case parsed_online_meeting_uri.host
  when "www.youtube.com"
    transform_youtube_url(parsed_online_meeting_uri)
  when "www.twitch.tv"
    transform_twitch_url(parsed_online_meeting_uri, request_host)
  else
    online_meeting_service_url
  end
end

def embeddable?

def embeddable?
  return nil if parsed_online_meeting_uri.nil?
  embeddable_services.include?(parsed_online_meeting_uri.host)
end

def embeddable_services

def embeddable_services
  @embeddable_services ||= Meetings.embeddable_services
end

def initialize(online_meeting_service_url)

online_meeting_service_url - A String containing the url of the online meeting
Public: Initializes the service.

def initialize(online_meeting_service_url)
  @online_meeting_service_url = online_meeting_service_url
end

def parsed_online_meeting_uri

def parsed_online_meeting_uri
  @parsed_online_meeting_uri ||= URI.parse(online_meeting_service_url) if online_meeting_service_url.present?
end

def transform_twitch_url(uri, request_host)

3. build the embed url using both the video ID and the request host as parent argument
2. extract the request host
1. extract the video id from the third URL parameter
Twitch transformation consists on:

def transform_twitch_url(uri, request_host)
  _, param_name, video_id = *uri.path.split("/")
  return online_meeting_service_url if video_id.blank? || param_name != "videos"
  "https://player.twitch.tv/?video=#{video_id}&parent=#{request_host}"
end

def transform_youtube_url(uri)

and appending the video id
2. Create a new URL using the domain youtube-nocookie.com, converting it to an embed
1. extract the video id from the parameter v
Youtube transformation consists on:

def transform_youtube_url(uri)
  return online_meeting_service_url if uri.query.blank?
  parsed_query = CGI.parse(uri.query)
  video_id = parsed_query.has_key?("v") ? CGI.parse(uri.query).fetch("v")&.first : nil
  return online_meeting_service_url if video_id.blank?
  "https://www.youtube-nocookie.com/embed/#{video_id}"
end

Modules

Classes