Add column title to snapshot

.rspec_status

-example_id                                 | status | run_time        |
------------------------------------------- | ------ | --------------- |
-./spec/shotengai/models_spec.rb[1:1:1:1]   | passed | 0.76841 seconds |
-./spec/shotengai/models_spec.rb[1:1:1:2]   | passed | 0.39895 seconds |
-./spec/shotengai/models_spec.rb[1:1:2:1]   | passed | 0.40877 seconds |
-./spec/shotengai/models_spec.rb[1:1:2:2]   | passed | 0.40292 seconds |
-./spec/shotengai/models_spec.rb[1:1:2:3]   | passed | 0.40936 seconds |
-./spec/shotengai/models_spec.rb[1:1:2:4]   | passed | 0.39549 seconds |
-./spec/shotengai/models_spec.rb[1:1:3:1]   | passed | 0.36859 seconds |
-./spec/shotengai/models_spec.rb[1:1:3:2]   | passed | 0.3979 seconds  |
-./spec/shotengai/models_spec.rb[1:1:3:3]   | passed | 0.40805 seconds |
-./spec/shotengai/models_spec.rb[1:1:4:1]   | failed | 0.66932 seconds |
-./spec/shotengai/models_spec.rb[1:1:5:1]   | passed | 0.38994 seconds |
-./spec/shotengai/models_spec.rb[1:1:5:2:1] | passed | 0.48448 seconds |
-./spec/shotengai/models_spec.rb[1:1:5:2:2] | failed | 0.56715 seconds |
-./spec/shotengai/models_spec.rb[1:2:1:1]   | passed | 0.40297 seconds |
-./spec/shotengai/models_spec.rb[1:2:1:2]   | passed | 0.3698 seconds  |
-./spec/shotengai/models_spec.rb[1:2:2:1]   | passed | 0.66138 seconds |
-./spec/shotengai/models_spec.rb[1:2:2:2]   | passed | 0.48194 seconds |
-./spec/shotengai/models_spec.rb[1:3:1]     | passed | 0.37498 seconds |

db/migrate/1_create_shotengai_products_and_orders.rb

@@ -77,6 +77,7 @@ class CreateShotengaiProductsAndOrders < ActiveRecord::Migration[5.1]
 
   def create_snapshot
     create_table :shotengai_snapshots do |t|
+      t.string :title
       t.decimal :original_price, precision: 9, scale: 2
       t.decimal :price, precision: 9, scale: 2
       # Merchant can change the amount of snapshot

lib/generators/templates/views/share/_snapshot.json.jbuilder

-json.extract! snapshot, :id, :shotengai_series_id, :original_price, :price, :count,
+json.extract! snapshot, :id, :title, :shotengai_series_id,
+  :original_price, :price, :count,
   :product_status_zh, :order_status_zh, :product_status, :order_status,
   :total_price, :total_original_price, :revised_amount,
   :spec, :cover_image, :banners, :detail, :meta, :is_in_cart
\ No newline at end of file

lib/generators/templates/views/share/_snapshot_simple.json.jbuilder

-json.extract! snapshot, :id, :shotengai_series_id, :original_price, :price, :count,
+json.extract! snapshot, :id, :title, :shotengai_series_id, 
+  :original_price, :price, :count, :title,
   :product_status_zh, :order_status_zh, :product_status, :order_status,
   :total_price, :total_original_price, :revised_amount,
   :spec, :cover_image, :meta, :is_in_cart
\ No newline at end of file

lib/shotengai/snapshot.rb

@@ -4,6 +4,7 @@ module Shotengai
   # Table name: shotengai_snapshots
   #
   #  id                  :integer          not null, primary key
+  #  title               :string(255)
   #  original_price      :decimal(9, 2)
   #  price               :decimal(9, 2)
   #  revised_amount      :decimal(9, 2)
@@ -71,9 +72,11 @@ module Shotengai
       end
     end
     
-    # QUESTION: spec 赋值是在 after pay 合理？
     # 支付前 信息 delegate to series
-    [:original_price, :price, :spec, :banners, :cover_image, :detail].each do |column|
+    %i{
+        original_price price spec banners 
+        cover_image detail title
+      }.each do |column|
       define_method(column) { read_attribute(column) || self.series.send(column) }
     end
 
@@ -85,6 +88,7 @@ module Shotengai
     def copy_info
       # cut_stock
       self.update!(
+        title: series.title,
         original_price: series.original_price,
         price: series.price,
         spec: series.spec,

spec/factories/shotengai_snapshots.rb

@@ -3,6 +3,7 @@
 # Table name: shotengai_snapshots
 #
 #  id                  :integer          not null, primary key
+#  title               :string(255)
 #  original_price      :decimal(9, 2)
 #  price               :decimal(9, 2)
 #  revised_amount      :decimal(9, 2)
@@ -18,6 +19,13 @@
 #  created_at          :datetime         not null
 #  updated_at          :datetime         not null
 # 
+#  Indexes
+#
+#  index_shotengai_snapshots_on_shotengai_order_id  (shotengai_order_id)
+#  index_shotengai_snapshots_on_shotengai_series_id  (shotengai_series_id)
+#  index_shotengai_snapshots_on_type                 (type)
+#
+
 
 FactoryGirl.define do
   factory :test_snapshot, class: 'TestGoodSnapshot' do