添加时间迁移

db/migrate/20150831085920_update_memo_time.rb

@@ -0,0 +1,26 @@
+class UpdateMemoTime < ActiveRecord::Migration
+  def up
+    memo_count = Memo.all.count / 30 + 1
+    transaction do
+      for i in 1 ... memo_count do i
+      MemoMessage.page(i).per(30).each do |memo_message|
+        if memo_message.memo
+          if memo_message.memo.respond_to?("created_at")
+            memo_message.created_at = memo_message.memo.created_at
+          elsif memo_message.memo.respond_to?("created_on")
+            memo_message.created_at = memo_message.memo.created_on
+          end
+          memo_message.save
+
+          memo_messages = MemoMessage.where("message_type = '#{memo_message.class.to_s}' and message_id = '#{memo_message.id}'").first
+          memo_messages.created_at = memo_message.created_at
+          memo_messages.save
+        end
+      end
+      end
+    end
+  end
+
+  def down
+  end
+end

db/migrate/20150831090338_update_userfeedback_time.rb

@@ -0,0 +1,26 @@
+class UpdateUserfeedbackTime < ActiveRecord::Migration
+  def up
+    user_feedback_count = UserFeedbackMessage.all.count / 30 + 1
+    transaction do
+      for i in 1 ... user_feedback_count do i
+      UserFeedbackMessage.page(i).per(30).each do |ufm|
+        if ufm.course_message
+          if ufm.course_message.respond_to?("created_at")
+            ufm.created_at = ufm.course_message.created_at
+          elsif ufm.course_message.respond_to?("created_on")
+            ufm.created_at = ufm.course_message.created_on
+          end
+          ufm.save
+
+          user_feedbach_messages = MessageAll.where("message_type = '#{ufm.class.to_s}' and message_id = '#{ufm.id}'").first
+          user_feedbach_messages.created_at = ufm.created_at
+          user_feedbach_messages.save
+        end
+      end
+      end
+    end
+  end
+
+  def down
+  end
+end

db/migrate/20150831093918_about_user_feedback_message.rb

@@ -1,5 +1,4 @@
-# encoding: UTF-8
-class UserFeedbackMessage < ActiveRecord::Migration
+class AboutUserFeedbackMessage < ActiveRecord::Migration
   def up
     JournalsForMessage.all.each do |jour_for_message|
       transaction do
@@ -23,6 +22,7 @@ class UserFeedbackMessage < ActiveRecord::Migration
           end
           unless receivers.blank?
             receivers.each do |r|
+              puts jour_for_message.id
               jour_for_message.user_feedback_messages << UserFeedbackMessage.new(:user_id => r.id, :journals_for_message_id => jour_for_message.id, :journals_for_message_type => "Principal", :viewed => false)
             end
           end