Refactoring Conference/Event media to new media object

close #420

app/models/commercial.rb

@@ -0,0 +1,9 @@
+class Commercial < ActiveRecord::Base
+  belongs_to :commercialable, polymorphic: true
+
+  attr_accessible :commercial_id, :commercial_type
+
+  validates :commercial_id, :commercial_type, presence: true
+
+  validates :commercial_type, inclusion: { in: CONFIG['commercial_types'].values }, allow_blank: true
+end

app/models/conference.rb

@@ -12,7 +12,7 @@ class Conference < ActiveRecord::Base
                   :registration_start_date, :registration_end_date, :logo, :questions_attributes,
                   :question_ids, :answers_attributes, :answer_ids, :difficulty_levels_attributes,
                   :use_difficulty_levels, :use_vpositions, :use_vdays, :vdays_attributes,
-                  :vpositions_attributes, :use_volunteers, :media_id, :media_type, :color,
+                  :vpositions_attributes, :use_volunteers, :color,
                   :description, :registration_description, :ticket_description,
                   :sponsorship_levels_attributes, :sponsors_attributes,
                   :sponsor_description, :sponsor_email, :lodging_description,
@@ -48,6 +48,7 @@ class Conference < ActiveRecord::Base
   has_many :photos, dependent: :destroy
   has_many :targets, dependent: :destroy
   has_many :campaigns, dependent: :destroy
+  has_many :commercials, as: :commercialable, dependent: :destroy
   belongs_to :venue
 
   accepts_nested_attributes_for :rooms, reject_if: proc { |r| r['name'].blank? }, allow_destroy: true
@@ -94,12 +95,6 @@ class Conference < ActiveRecord::Base
   before_create :create_email_settings
   before_create :add_color
 
-  def self.media_types
-    media_types = { youtube: 'YouTube', slideshare: 'SlideShare', flickr: 'Flickr', vimeo: 'Vimeo',
-                    speakerdeck: 'Speakerdeck', instagram: 'Instagram' }
-    return media_types
-  end
-
   ##
   # Checks if the user is registered to the conference
   #

app/models/event.rb

@@ -2,7 +2,7 @@ class Event < ActiveRecord::Base
   include ActiveRecord::Transitions
   has_paper_trail
   attr_accessible :title, :subtitle, :abstract, :description, :event_type_id, :users_attributes,
-                  :user, :proposal_additional_speakers, :track_id, :media_id, :media_type,
+                  :user, :proposal_additional_speakers, :track_id,
                   :require_registration, :difficulty_level_id
 
   acts_as_commentable
@@ -15,6 +15,7 @@ class Event < ActiveRecord::Base
   has_many :speakers, through: :event_users, source: :user
   has_many :votes
   has_many :voters, through: :votes, source: :user
+  has_many :commercials, as: :commercialable, dependent: :destroy
   belongs_to :event_type
 
   has_and_belongs_to_many :registrations
@@ -36,7 +37,6 @@ class Event < ActiveRecord::Base
   validates :abstract, presence: true
   validates :event_type, presence: true
   validates :conference, presence: true
-  validates :media_type, inclusion: { in: Conference.media_types.values }, allow_blank: true
 
   scope :confirmed, -> { where(state: 'confirmed') }