Replaced Quantity 'primary' attr with ColumnView model

lib/body_tracking/application_controller_patch.rb

@@ -3,14 +3,16 @@ module BodyTracking
     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])
+      def find_quantity(id = params[:id])
+        @quantity = Quantity.find(id)
         @project = @quantity.project
       rescue ActiveRecord::RecordNotFound
         render_404
       end
+
+      def find_quantity_by_quantity_id
+        find_quantity(params[:quantity_id])
+      end
     end
   end
 end

lib/body_tracking/project_patch.rb

@@ -5,8 +5,13 @@ module BodyTracking
       has_many :ingredients, -> { order "name" }, dependent: :destroy
 
       has_many :sources, dependent: :destroy
+      has_many :column_views, dependent: :destroy
       has_many :quantities, -> { order "lft" }, dependent: :destroy
       has_many :units, dependent: :destroy
+
+      def nutrients_column_view
+        self.column_views.find_or_create_by(name: 'Nutrients', domain: :diet)
+      end
     end
   end
 end