include URL image add

app/controllers/pins_controller.rb

@@ -82,4 +82,4 @@ def destroy
       format.json { head :no_content }
     end
   end
-end
+end

app/models/pin.rb

@@ -1,14 +1,18 @@
 class Pin < ActiveRecord::Base
-  attr_accessible :description, :image
+  attr_accessible :description, :image, :image_remote_url
 
   validates :description, presence: true
   validates :user_id, presence: true
   has_attached_file :image, styles: { medium: "100x100>" }
-  validates_attachment :image, presence: true,
+  validates_attachment :image,
   								content_type: { content_type: ['image/jpeg' 'image/jpg', 'image/png', 'image/gif'] },
   								size: { less_than: 5.megabytes }
 
   belongs_to :user
   has_attached_file :image, styles: { medium: "320x240>"}
 
+  def image_remote_url=(url_value)
+	 self.image = URI.parse(url_value) unless url_value.blank?
+	 super
+  end
 end

app/views/pins/_form.html.erb

@@ -4,6 +4,7 @@
   <%= f.full_error :image_content_type, class: "alert alert-error" %>
 
     <%= f.input :image, label: "Upload an image" %>
+    <%= f.input :image_remote_url, label: "or enter a URL" %>
     <%= f.input :description, as: :text, input_html: { rows: "3"} %>
   </div>
 

db/migrate/20130916222503_add_image_remote_url_to_pins.rb

@@ -0,0 +1,5 @@
+class AddImageRemoteUrlToPins < ActiveRecord::Migration
+  def change
+    add_column :pins, :image_remote_url, :string
+  end
+end

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 20130916183420) do
+ActiveRecord::Schema.define(:version => 20130916222503) do
 
   create_table "pins", :force => true do |t|
     t.string   "description"
@@ -22,6 +22,7 @@
     t.string   "image_content_type"
     t.integer  "image_file_size"
     t.datetime "image_updated_at"
+    t.string   "image_remote_url"
   end
 
   add_index "pins", ["user_id"], :name => "index_pins_on_user_id"