项目统计数小于0情况判断

app/models/attachment.rb

@@ -644,12 +644,7 @@ class Attachment < ActiveRecord::Base
   def decrease_attchments_count
     if self.container_type == "Project" && !self.project.project_score.nil?
       attach_count = self.container.project_score.attach_num - 1
-      if attach_count < 0
+      self.container.project_score.update_attribute(:attach_num, attach_count < 0 ? 0 : attach_count)
-        self.container.project_score.update_attribute(:attach_num, 0)
-      else
-        self.container.project_score.update_attribute(:attach_num, attach_count)
-      end
-
     end
   end
 end

app/models/issue.rb

@@ -184,7 +184,7 @@ class Issue < ActiveRecord::Base
   def decrease_issues_count
     unless self.project.project_score.nil?
       issue_count = self.project.project_score.issue_num - 1
-      self.project.project_score.update_attribute(:issue_num, issue_count)
+      self.project.project_score.update_attribute(:issue_num, issue_count < 0 ? 0 : issue_count)
     end
   end
 

app/models/journal.rb

@@ -219,8 +219,9 @@ class Journal < ActiveRecord::Base
   # 减少留言数量统计
   def decrease_issues_journal_count
     unless self.issue.project.nil?
-      project = self.issue.project
+      journal_count = self.issue.project.project_score.issue_journal_num - 1
-      project.project_score.update_attribute(:issue_journal_num, project.project_score.issue_journal_num - 1)
+      # project = self.issue.project
+       self.issue.project.project_score.update_attribute(:issue_journal_num, journal_count < 0 ? 0 : journal_count)
     end
   end
 

app/models/message.rb

@@ -146,10 +146,10 @@ class Message < ActiveRecord::Base
       # 讨论区
       if self.parent_id.nil?
         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 < 0 ? 0 : count)
       else # 回复
         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 < 0 ? 0 : count)
       end
     end
   end

app/models/news.rb

@@ -126,7 +126,7 @@ class News < ActiveRecord::Base
   def decrease_news_count
     if self.project && !self.project.project_score.nil?
       count = self.project.project_score.news_num - 1
-      self.project.project_score.update_attribute(:news_num, count)
+      self.project.project_score.update_attribute(:news_num, count < 0 ? 0 : count)
     end
   end