Allow merchant to modify spec_rewrite

db/migrate/1_create_shotengai_products_and_orders.rb

@@ -89,9 +89,10 @@ class CreateShotengaiProductsAndOrders < ActiveRecord::Migration[5.1]
       # Single Table Inheritance
       t.string :type
       t.json :meta
-      t.json :spec_value       
-      t.json :remark_value      
-      t.json :info_value      
+      t.json :spec_value
+      t.json :spec_rewrite
+      t.json :remark_value
+      t.json :info_value
 
       t.references :shotengai_series, foreign_key: true
       t.references :shotengai_order, foreign_key: true

lib/shotengai/controller/merchant/product_snapshots_controller.rb

@@ -6,7 +6,6 @@ module Shotengai
         self.template_dir = 'shotengai/merchant/snapshots/'
         
         remove_actions :create, :destroy
-        before_action :edit_only_unpaid, only: :update
 
         def default_query resources
           resources.in_order  
@@ -20,6 +19,15 @@ module Shotengai
             )
         end
 
+        def update
+          @resource.class.transaction do
+            @resource.attributes = resource_params
+            @resource.has_changes_to_save? && edit_only_unpaid
+            @resource.update_columns(rewrite_params.to_h) # skip validation
+          end
+          head 200
+        end
+        
         private
           def resource_params
             remark_value = params.require(resource_key).fetch(:remark_value, {}).permit!
@@ -28,6 +36,10 @@ module Shotengai
             ).merge(remark_value: remark_value)
           end
 
+          def rewrite_params
+            params.require(resource_key).permit(spec_rewrite: {})
+          end
+
           def edit_only_unpaid
             raise Shotengai::WebError.new('订单已支付，不可修改该快照。', '-1', 403) unless @resource.order.unpaid?
           end

lib/shotengai/json_column.rb

@@ -36,20 +36,22 @@ module Shotengai
 
       def template_with_value key, value: "#{key}_value", template: "#{key}_template", trans: nil, trans_to: :en
         trans_result = trans.is_a?(Hash) ? %Q{
-          #{trans_to}_value: val&.reduce({}) do |o, obj| 
-            trans = #{trans}
-            val = obj[1].is_a?(Array) ? obj[1].map{ |x| trans[x] } : trans[ obj[1] ]
-            o.merge( obj[0] => val )
-          end
-        } : {}
-        
+          {
+            #{trans_to}_value: val&.reduce({}) do |o, obj| 
+              trans = #{trans}
+              val = obj[1].is_a?(Array) ? obj[1].map{ |x| trans[x] } : trans[ obj[1] ]
+              o.merge( obj[0] => val )
+            end
+          }
+        } : '{}'
+    
         class_eval %Q{
           def #{key}
             val = #{value}.is_a?(Harray) ? #{value}.decode : #{value}
             {
               template: Shotengai::Harray.encode(#{template}).keys,
               value: val,
-            }.merge(#{trans_result})
+            }.merge(#{trans_result}).merge(try(:#{key}_rewrite) || {})
           end
         }
       end