Toggling quantity primariness from nutrients view

lib/body_tracking/application_controller_patch.rb

@@ -0,0 +1,16 @@
+module BodyTracking
+  module ApplicationControllerPatch
+    ApplicationController.class_eval do
+      private
+
+      # :find_* methods are called before :authorize,
+      # @project is required for :authorize to succeed
+      def find_quantity
+        @quantity = Quantity.find(params[:id])
+        @project = @quantity.project
+      rescue ActiveRecord::RecordNotFound
+        render_404
+      end
+    end
+  end
+end