修改课程讨论区500问题

app/models/message.rb

@@ -128,32 +128,28 @@ class Message < ActiveRecord::Base
 
   # 发帖精辟更新发帖总数
   def add_boards_count
-    unless self.project.project_score.nil?
+    if self.project && !project.project_score.nil?
-      if self.project
+      # 讨论区
-        # 讨论区
+      if self.parent_id.nil?
-        if self.parent_id.nil?
+        count = self.project.project_score.board_num + 1
-          count = self.project.project_score.board_num + 1
+        self.project.project_score.update_attribute(:board_num, count)
-          self.project.project_score.update_attribute(:board_num, count)
+      else # 回复
-        else # 回复
+        count = self.project.project_score.board_message_num + 1
-          count = self.project.project_score.board_message_num + 1
+        self.project.project_score.update_attribute(:board_message_num, count)
-          self.project.project_score.update_attribute(:board_message_num, count)
-        end
       end
     end
   end
 
   # 删除帖子的时候更新帖子总数, 删除回复的时候总数不减少
   def decrease_boards_count
-    unless self.project.project_score.nil?
+    if self.project && !project.project_score.nil?
-      if self.project && self.parent_id.nil?
+      # 讨论区
-        # 讨论区
+      if self.parent_id.nil?
-        if self.parent_id.nil?
+        count = self.project.project_score.board_num - 1
-          count = self.project.project_score.board_num - 1
+        self.project.project_score.update_attribute(:board_num, count)
-          self.project.project_score.update_attribute(:board_num, count)
+      else # 回复
-        else # 回复
+        count = self.project.project_score.board_message_num - 1
-          count = self.project.project_score.board_message_num - 1
+        self.project.project_score.update_attribute(:board_message_num, count)
-          self.project.project_score.update_attribute(:board_message_num, count)
-        end
       end
     end
   end