Introduces new audience object

#416

db/migrate/20140804185823_create_audiences.rb

@@ -0,0 +1,12 @@
+class CreateAudiences < ActiveRecord::Migration
+  def change
+    create_table :audiences do |t|
+      t.integer :conference_id
+      t.date :registration_start_date
+      t.date :registration_end_date
+      t.text :registration_description
+
+      t.timestamps
+    end
+  end
+end

db/migrate/20140812065531_move_conference_registration_data_to_audience.rb

@@ -0,0 +1,27 @@
+class MoveConferenceRegistrationDataToAudience < ActiveRecord::Migration
+  class TempConference < ActiveRecord::Base
+    self.table_name = 'conferences'
+  end
+
+  class TempAudience < ActiveRecord::Base
+    self.table_name = 'audiences'
+    attr_accessible :conference_id, :registration_start_date, :registration_end_date, :registration_description
+  end
+
+  def change
+    # Move all the settings to the new object
+    TempConference.all.each do |conference|
+      unless TempAudience.exists?(conference_id: conference.id)
+        TempAudience.create(conference_id: conference.id,
+                            registration_start_date: conference.registration_start_date,
+                            registration_end_date: conference.registration_end_date,
+                            registration_description: conference.registration_description)
+      end
+    end
+
+    # Remove Columns
+    remove_column :conferences, :registration_start_date
+    remove_column :conferences, :registration_end_date
+    remove_column :conferences, :registration_description
+  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: 20140801170430) do
+ActiveRecord::Schema.define(version: 20140812065531) do
 
   create_table "ahoy_events", force: true do |t|
     t.uuid     "visit_id"
@@ -31,6 +31,15 @@ ActiveRecord::Schema.define(version: 20140801170430) do
     t.datetime "updated_at"
   end
 
+  create_table "audiences", force: true do |t|
+    t.integer  "conference_id"
+    t.date     "registration_start_date"
+    t.date     "registration_end_date"
+    t.text     "registration_description"
+    t.datetime "created_at"
+    t.datetime "updated_at"
+  end
+
   create_table "call_for_papers", force: true do |t|
     t.date     "start_date",                            null: false
     t.date     "end_date",                              null: false
@@ -94,8 +103,6 @@ ActiveRecord::Schema.define(version: 20140801170430) do
     t.integer  "venue_id"
     t.datetime "created_at"
     t.datetime "updated_at"
-    t.date     "registration_start_date"
-    t.date     "registration_end_date"
     t.string   "logo_file_name"
     t.string   "logo_content_type"
     t.integer  "logo_file_size"
@@ -109,7 +116,6 @@ ActiveRecord::Schema.define(version: 20140801170430) do
     t.boolean  "use_volunteers"
     t.string   "color"
     t.text     "description"
-    t.text     "registration_description"
     t.text     "ticket_description"
     t.text     "sponsor_description"
     t.string   "sponsor_email"