Add ImageUpload model

app/models/image_upload.rb

@@ -0,0 +1,3 @@
+class ImageUpload < ActiveRecord::Base
+  belongs_to :user
+end

db/migrate/20170216211714_create_image_uploads.rb

@@ -0,0 +1,12 @@
+class CreateImageUploads < ActiveRecord::Migration
+  def change
+    create_table :image_uploads do |t|
+      t.string :privacy
+      t.references :user, index: true, foreign_key: true
+      t.string :content_type
+      t.integer :content_id
+
+      t.timestamps null: false
+    end
+  end
+end

db/migrate/20170216211914_add_src_to_image_uploads.rb

@@ -0,0 +1,9 @@
+class AddSrcToImageUploads < ActiveRecord::Migration
+  def self.up
+  	add_attachment :image_uploads, :src
+  end
+
+  def self.down
+  	remove_attachment :image_uploads, :src
+  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: 20170201151923) do
+ActiveRecord::Schema.define(version: 20170216211914) do
 
   create_table "archenemyships", force: :cascade do |t|
     t.integer  "user_id"
@@ -295,6 +295,21 @@ ActiveRecord::Schema.define(version: 20170201151923) do
     t.integer "headquarter_id"
   end
 
+  create_table "image_uploads", force: :cascade do |t|
+    t.string   "privacy"
+    t.integer  "user_id"
+    t.string   "content_type"
+    t.integer  "content_id"
+    t.datetime "created_at",       null: false
+    t.datetime "updated_at",       null: false
+    t.string   "src_file_name"
+    t.string   "src_content_type"
+    t.integer  "src_file_size"
+    t.datetime "src_updated_at"
+  end
+
+  add_index "image_uploads", ["user_id"], name: "index_image_uploads_on_user_id"
+
   create_table "items", force: :cascade do |t|
     t.string   "name",                               null: false
     t.string   "item_type"