Fix JsonColumn & Add new remark logic

lib/shotengai/controller/merchant/products_controller.rb

@@ -65,13 +65,16 @@ module Shotengai
             spec = params.require(resource_key).fetch(:spec, nil).try(:permit!)
             detail = params.require(resource_key).fetch(:detail, nil).try(:permit!)
             meta = params.require(resource_key).fetch(:meta, nil).try(:permit!)
+            remark = params.require(resource_key).fetch(:remark, nil).try(:permit!)
             # NOTE: :catalog_list is a default catalog list for template example, maybe should move it to the template controller, but it need add controller template for every controller
             params.require(resource_key).permit(
               :title, :default_series_id, 
               :need_express, :need_time_attr, :cover_image, catalog_ids: [],
-              banners: []
+              banners: [], 
+              spec_input: [:key, val: []], detail_input: [:key, :val], 
+              meta_input: [:key, :val], remark_input: [:key, :val]
             ).merge(
-              { spec: spec, detail: detail, meta: meta }
+              { spec: spec, detail: detail, meta: meta, remark: remark }
             )
           end
       end

lib/shotengai/json_column.rb

@@ -7,14 +7,21 @@ module Shotengai
     class_methods do
       def hash_columns *columns
         columns.each do |column|
+          # QUESTION: 这样可以避免 send("#{column}="), 合适？
+          class_eval %Q{
+            define_method('#{column}') do 
+              super() || {}
+            end
+
             define_method("#{column}_input=") do |val|
-            val = val.map{ |h| { h[:key] => h[:val] } }.reduce(&:merge)
-            write_attribute(column, val)
+              parsed_val = val.map{ |h| { (h[:key] || h['key']) => (h[:val] || h['val']) } }.reduce(&:merge)
+              self.#{column} = parsed_val
             end
 
             define_method("#{column}_output") do
-            read_attribute(column).map {|key, val| { key: key, val: val } }
+              self.#{column}.map {|key, val| { key: key, val: val } }
             end
+          }
         end
       end
     end

lib/shotengai/product.rb

@@ -30,7 +30,7 @@ module Shotengai
     require 'acts-as-taggable-on'
     self.table_name = 'shotengai_products'
     
-    hash_columns :spec, :meta, :detail
+    hash_columns :spec, :meta, :detail, :remark
 
     belongs_to :manager, polymorphic: true, optional: true#, touch: true
     validate :check_spec, if: :spec

lib/shotengai/series.rb

@@ -25,11 +25,12 @@ module Shotengai
     self.table_name = 'shotengai_series'
     validates_presence_of :spec
     validate :check_spec_value
+    validate :check_remark
     # Using validates_uniqueness_of do not work if the order of Hash is diff
     validate :uniq_spec
     validate :validate_stock
     
-    hash_columns :spec, :meta
+    hash_columns :spec, :meta, :remark
 
     delegate :title, :detail, :banners, :cover_image, :status, :status_zh, :manager, to: :product
     
@@ -84,6 +85,12 @@ module Shotengai
       end
     end
 
+    def initialize *arg
+      super(*arg)
+      self.remark = Hash[product.remark.map { |k, v| [k, true] }]
+      self
+    end
+
     def cut_stock count
       self.stock.eql?(-1) || self.update!(stock: self.stock - count)
     end
@@ -115,6 +122,15 @@ module Shotengai
         errors.add(:spec, "非法的值，#{illegal_values}") unless illegal_values.empty?
       end
 
+      def check_remark
+        errors.add(:remark, 'remark 必须是个 Hash') unless remark.is_a?(Hash) 
+        # product.remark.keys 包含 remark.keys
+        illegal_key = (remark.keys - product.remark.keys)
+        errors.add(:remark, "非法的关键字, #{illegal_key}") unless illegal_key.empty?        
+        # illegal_values = remark.reject { |k, v| !!v == v }.keys
+        # errors.add(:spec, "非法的值，仅允许布尔值。#{illegal_values}") unless illegal_values.empty?        
+      end
+
       def uniq_spec
         if self.class.query_spec_with_product(self.spec, self.product).alive.where.not(id: self.id).any?
           errors.add(:spec, 'Non uniq spec for the product.') 

lib/shotengai/snapshot.rb

@@ -32,10 +32,11 @@ module Shotengai
 
   class Snapshot < Shotengai::Model
     self.table_name = 'shotengai_snapshots'
-    validate :check_spec, if: :spec
+    validate :check_spec
+    validate :check_remark
     validates :count, numericality: { only_integer: true, greater_than: 0 }
         
-    hash_columns :spec, :meta, :detail
+    hash_columns :spec, :meta, :detail, :remark
 
     validate :cannot_edit, if: :order_was_paid
     before_destroy :cannot_edit, if: :order_was_paid
@@ -153,6 +154,13 @@ module Shotengai
         errors.add(:spec, "非法的值，#{illegal_values}") unless illegal_values.empty?
       end
 
+      def check_remark
+        errors.add(:remark, 'remark 必须是个 Hash') unless remark.is_a?(Hash) 
+        required_key = series.series.remark.select{ |k, v| v }.keys
+        # remark 可添加多余字段
+        errors.add(:remark, '非法的关键字，或关键字缺失') unless (required_key - remark.keys).empty?        
+      end
+
       # NOTE: Shotengai::Snapshot.find_by_id(self.id) to get the self before changed
       def cannot_edit
         errors.add(:id, '订单已支付，禁止修改商品快照。')