增加复制商品功能

app/models/product.rb

@@ -6,6 +6,22 @@ class Product < ActiveRecord::Base
     validates :name,:buy_price,:price,:category_id,:count,:robo_balance_price, presence: true
     attr_accessor :v_share_img,:get_size_enum,:gross_interest_rate
     after_find :get_size_enum
+    after_create :after_create
+    after_update :after_update
+    def after_create
+        #主商品默认关联商品
+        if self.show_flag==1
+            self.relate_product_id = self.id
+            self.save
+        end
+    end
+    def after_update
+        #若取消，则用户卡次数加1
+        if self.show_flag==1
+            self.relate_product_id = self.id
+            self.save
+        end
+    end
     TYPE_ENUM = [["直营","direct_sale"]]
     #["代销","user_sale"]
     SIZE_ENUM =  []
@@ -13,7 +29,7 @@ class Product < ActiveRecord::Base
     def get_size_enum
         SIZE_ENUM.clear
         if SIZE_ENUM.length ==0
-            linkSize = ProductAttrConfig.where("product_id=? and size_type='size'",self.id).first
+            linkSize = ProductAttrConfig.where("product_id=? and size_type='size'",self.relate_product_id).first
             if !linkSize.blank?
                 productAttrs = ProductAttr.where("attr_key_id=?",linkSize.attr_key_id).order("recommend desc")
                 productAttrs.each do |attr|
@@ -25,7 +41,7 @@ class Product < ActiveRecord::Base
 
         COLOR_ENUM.clear
         if COLOR_ENUM.length==0
-            linkColor = ProductAttrConfig.where("product_id=? and size_type='color'",self.id).first
+            linkColor = ProductAttrConfig.where("product_id=? and size_type='color'",self.relate_product_id).first
             if !linkColor.blank?
                 productColorAttrs = ProductAttr.where("attr_key_id=?",linkColor.attr_key_id).order("recommend desc")
                 productColorAttrs.each do |color_attr|