Merge pull request #946 from Shriyanshagro/venue_commercial

Defined Venue has_one Commercial nice new relationship

app/controllers/admin/venue_commercials_controller.rb

@@ -0,0 +1,53 @@
+module Admin
+  class VenueCommercialsController < Admin::BaseController
+    load_and_authorize_resource :conference, find_by: :short_title
+    load_and_authorize_resource :venue, through: :conference, singleton: true
+    load_and_authorize_resource :commercial, through: :venue, singleton: true
+
+    def create
+      @commercial = @venue.build_commercial(commercial_params)
+      authorize! :create, @commercial
+
+      if @commercial.save
+        redirect_to admin_conference_venue_path,
+                    notice: 'Commercial was successfully created.'
+      else
+        redirect_to admin_conference_venue_path,
+                    error: 'An error prohibited this Commercial from being saved: '\
+                    "#{@commercial.errors.full_messages.join('. ')}."
+
+      end
+    end
+
+    def update
+      if @commercial.update(commercial_params)
+        redirect_to admin_conference_venue_path,
+                    notice: 'Commercial was successfully updated.'
+      else
+        redirect_to admin_conference_venue_path,
+                    error: 'An error prohibited this Commercial from being saved: '\
+                    "#{@commercial.errors.full_messages.join('. ')}."
+      end
+    end
+
+    def destroy
+      @commercial.destroy
+      redirect_to admin_conference_venue_path, notice: 'Commercial was successfully destroyed.'
+    end
+
+    def render_commercial
+      result = Commercial.render_from_url(params[:url])
+      if result[:error]
+        render text: result[:error], status: 400
+      else
+        render text: result[:html]
+      end
+    end
+
+    private
+
+    def commercial_params
+      params.require(:commercial).permit(:url)
+    end
+  end
+end