lib/facebook_ads/videos/video_request.rb

# Copyright (c) 2017-present, Facebook, Inc. All rights reserved.
#
# You are hereby granted a non-exclusive, worldwide, royalty-free license to use,
# copy, modify, and distribute this software in source code or binary form for use
# in connection with the web services and APIs provided by Facebook.
#
# As with any software that integrates with the Facebook platform, your use of
# this software is subject to the Facebook Platform Policy
# [http://developers.facebook.com/policy/]. This copyright notice shall be
# included in all copies or substantial portions of the software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
# FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
# COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
# IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

require 'faraday'

module FacebookAds
  module HTTPService
    class VideoRequest < Faraday::Middleware
      def call(env)
        if env.body && body_has_video?(env.body)
          env.url.host = env.url.host.gsub(/^graph/, 'graph-video')
        end
        @app.call env
      end

      def body_has_video?(body)
        if body.respond_to?(:each) && !body.is_a?(String)
          (body.respond_to?(:values) ? body.values : body).any? do |val|
            val.is_a?(FacebookAds::VideoIO)
          end
        else
          false
        end
      end
    end
  end
end