Refactoring Conference/Event media to new media object

close #420

db/migrate/20140801103645_create_commercials.rb

@@ -0,0 +1,10 @@
+class CreateCommercials < ActiveRecord::Migration
+  def change
+    create_table :commercials do |t|
+      t.string :commercial_id
+      t.string :commercial_type
+      t.references :commercialable, polymorphic: true
+      t.timestamps
+    end
+  end
+end

db/migrate/20140801164901_move_conference_media_to_commercial.rb

@@ -0,0 +1,28 @@
+class MoveConferenceMediaToCommercial < ActiveRecord::Migration
+  class TempConference < ActiveRecord::Base
+    self.table_name = 'conferences'
+  end
+
+  class TempCommercial < ActiveRecord::Base
+    self.table_name = 'commercials'
+    attr_accessible :commercial_id, :commercial_type, :commercialable_id, :commercialable_type
+  end
+
+  def change
+    # Move all the settings to the new object
+    TempConference.all.each do |conference|
+      unless TempCommercial.exists?(commercialable_id: conference.id, commercialable_id: 'Conference')
+        unless conference.media_id.blank? || conference.media_type.blank?
+          TempCommercial.create(commercial_id: conference.media_id,
+                                commercial_type: conference.media_type,
+                                commercialable_id: conference.id,
+                                commercialable_type: 'Conference')
+        end
+      end
+    end
+
+    # Then remove all the columns
+    remove_column :conferences, :media_id
+    remove_column :conferences, :media_type
+  end
+end

db/migrate/20140801170430_move_event_media_to_commercial.rb

@@ -0,0 +1,28 @@
+class MoveEventMediaToCommercial < ActiveRecord::Migration
+  class TempEvent < ActiveRecord::Base
+    self.table_name = 'events'
+  end
+
+  class TempCommercial < ActiveRecord::Base
+    self.table_name = 'commercials'
+    attr_accessible :commercial_id, :commercial_type, :commercialable_id, :commercialable_type
+  end
+
+  def change
+    # Move all the settings to the new object
+    TempEvent.all.each do |event|
+      unless TempCommercial.exists?(commercialable_id: event.id, commercialable_id: 'Conference')
+        unless event.media_id.blank? || event.media_type.blank?
+          TempCommercial.create(commercial_id: event.media_id,
+                                commercial_type: event.media_type,
+                                commercialable_id: event.id,
+                                commercialable_type: 'Event')
+        end
+      end
+    end
+
+    # Then remove all the columns
+    remove_column :events, :media_id
+    remove_column :events, :media_type
+  end
+end

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20140731165107) do
+ActiveRecord::Schema.define(version: 20140801170430) do
 
   create_table "ahoy_events", force: true do |t|
     t.uuid     "visit_id"
@@ -74,6 +74,15 @@ ActiveRecord::Schema.define(version: 20140731165107) do
   add_index "comments", ["commentable_type"], name: "index_comments_on_commentable_type"
   add_index "comments", ["user_id"], name: "index_comments_on_user_id"
 
+  create_table "commercials", force: true do |t|
+    t.string   "commercial_id"
+    t.string   "commercial_type"
+    t.integer  "commercialable_id"
+    t.string   "commercialable_type"
+    t.datetime "created_at"
+    t.datetime "updated_at"
+  end
+
   create_table "conferences", force: true do |t|
     t.string   "guid",                                            null: false
     t.string   "title",                                           null: false
@@ -98,8 +107,6 @@ ActiveRecord::Schema.define(version: 20140731165107) do
     t.boolean  "use_vdays",                       default: false
     t.boolean  "use_difficulty_levels",           default: false
     t.boolean  "use_volunteers"
-    t.string   "media_id"
-    t.string   "media_type"
     t.string   "color"
     t.text     "description"
     t.text     "registration_description"
@@ -257,8 +264,6 @@ ActiveRecord::Schema.define(version: 20140731165107) do
     t.integer  "room_id"
     t.datetime "created_at"
     t.datetime "updated_at"
-    t.string   "media_id"
-    t.string   "media_type"
     t.boolean  "require_registration"
     t.integer  "difficulty_level_id"
     t.integer  "week"