Initial commit

app/models/concerns/confirmable.rb

@@ -0,0 +1,10 @@
+module Confirmable
+  extend ActiveSupport::Concern
+
+  included do
+    has_many :video_release_confirmations, as: :releasable,  dependent: :destroy
+    has_many :confirmed_videos, source: :video, through: :video_release_confirmations
+
+    scope :appearing_in, -> (video) { joins(:confirmed_videos).where(videos: { id: video }) }
+  end
+end