Remove danging :photos table and other photo cruft

app/controllers/admin/conference_controller.rb

@@ -185,7 +185,7 @@ module Admin
                                          :use_difficulty_levels, :use_vpositions, :use_vdays, :vdays_attributes,
                                          :vpositions_attributes, :use_volunteers, :color,
                                          :sponsorship_levels_attributes, :sponsors_attributes,
-                                         :photos_attributes, :targets, :targets_attributes,
+                                         :targets, :targets_attributes,
                                          :campaigns, :campaigns_attributes, :registration_limit)
     end
   end

app/controllers/conference_controller.rb

@@ -23,11 +23,6 @@ class ConferenceController < ApplicationController
     end
   end
 
-  def gallery_photos
-    @photos = @conference.photos
-    render 'photos', formats: [:js]
-  end
-
   private
 
   def respond_to_options

app/models/conference.rb

@@ -30,7 +30,6 @@ class Conference < ActiveRecord::Base
   has_many :vpositions, dependent: :destroy
   has_many :sponsorship_levels, -> { order('position ASC') }, dependent: :destroy
   has_many :sponsors, dependent: :destroy
-  has_many :photos, dependent: :destroy
   has_many :targets, dependent: :destroy
   has_many :campaigns, dependent: :destroy
   has_many :commercials, as: :commercialable, dependent: :destroy
@@ -44,7 +43,6 @@ class Conference < ActiveRecord::Base
   accepts_nested_attributes_for :questions, allow_destroy: true
   accepts_nested_attributes_for :vdays, allow_destroy: true
   accepts_nested_attributes_for :vpositions, allow_destroy: true
-  accepts_nested_attributes_for :photos, allow_destroy: true
   accepts_nested_attributes_for :targets, allow_destroy: true
   accepts_nested_attributes_for :campaigns, allow_destroy: true
 

app/models/photo.rb

@@ -1,10 +0,0 @@
-class Photo < ActiveRecord::Base
-  belongs_to :conference
-  validates_presence_of :picture
-  has_attached_file :picture,
-                    styles: { thumb: '100x100>', large: '300x300>', banner: '600x300>' }
-
-  validates_attachment_content_type :picture,
-                                    content_type: [/jpg/, /jpeg/, /png/, /gif/],
-                                    size: { in: 0..500.kilobytes }
-end

app/views/conference/_gallery_photo.html.haml

@@ -1,7 +0,0 @@
-- photos.each_with_index do |photo,index|
-  %div.item{ class: (index==0? 'active' : '') }
-    = image_tag(photo.picture(:banner))
-    - unless photo.description.blank?
-      %div.carousel-caption
-        .lead
-          = photo.description

db/migrate/20160427101444_remove_photos.rb

@@ -0,0 +1,13 @@
+class RemovePhotos < ActiveRecord::Migration
+  def change
+    drop_table :photos do |t|
+      t.text :description
+      t.string :picture_file_name
+      t.string :picture_content_type
+      t.integer :picture_file_size
+      t.datetime :picture_updated_at
+      t.belongs_to :conference
+      t.timestamps
+    end
+  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: 20160403214841) do
+ActiveRecord::Schema.define(version: 20160427101444) do
 
   create_table "ahoy_events", force: :cascade do |t|
     t.uuid     "visit_id",   limit: 16
@@ -257,17 +257,6 @@ ActiveRecord::Schema.define(version: 20160403214841) do
     t.datetime "updated_at"
   end
 
-  create_table "photos", force: :cascade do |t|
-    t.text     "description"
-    t.string   "picture_file_name"
-    t.string   "picture_content_type"
-    t.integer  "picture_file_size"
-    t.datetime "picture_updated_at"
-    t.integer  "conference_id"
-    t.datetime "created_at"
-    t.datetime "updated_at"
-  end
-
   create_table "programs", force: :cascade do |t|
     t.integer  "conference_id"
     t.integer  "rating",          default: 0