Merge branch 'dev_zanle' into szzh

.gitignore

@@ -1,23 +0,0 @@
-*.swp
-/.project
-/.idea
-/.bundle
-*.swp
-/config/database.yml
-/config/configuration.yml
-/files/*
-/log/*
-/public/tmp/*
-/tmp/*
-/public/cache/*
-.gitignore
-/config/newrelic.yml
-/public/images/avatars/*
-/Gemfile
-/Gemfile.lock
-/db/schema.rb
-/Gemfile.lock
-/lib/plugins/acts_as_versioned/test/debug.log
-.rbenv-gemsets
-.DS_Store
-public/api_doc/

app/controllers/issues_controller.rb

@@ -154,7 +154,7 @@ class IssuesController < ApplicationController
     call_hook(:controller_issues_new_before_save, { :params => params, :issue => @issue })
     @issue.save_attachments(params[:attachments] || (params[:issue] && params[:issue][:uploads]))
     # 给该issue在它所在的项目中所有的issues中所在的位置给一个序号
-    @issue.project_issues_index = @issue.project.issues.last.project_issues_index + 1
+    @issue.project_issues_index = @issue.project.issues.last.nil? ? 1 : @issue.project.issues.last.project_issues_index + 1
     if @issue.save
       call_hook(:controller_issues_new_after_save, { :params => params, :issue => @issue})
       respond_to do |format|

app/models/message.rb

@@ -164,8 +164,11 @@ class Message < ActiveRecord::Base
   # Author lizanle
   # Description 
   def act_as_forge_activity
-    self.forge_acts << ForgeActivity.new(:user_id => self.author_id,
-                                           :project_id => self.board.project.id)
+    # 如果project为空，那么就是课程相关的消息
+    if !self.board.project.nil?
+      self.forge_acts << ForgeActivity.new(:user_id => self.author_id,
+                                             :project_id => self.board.project.id)
+    end
   end
   
   #更新用户分数     -by zjc

app/models/news.rb

@@ -98,8 +98,11 @@ class News < ActiveRecord::Base
   # Author lizanle
   # Description 公用表中也要记录
   def act_as_forge_activity
-    self.forge_acts << ForgeActivity.new(:user_id => self.author_id,
-                                         :project_id => self.project.id)
+    # 如果是project为空，那么是课程相关的，不需要保存
+    if !self.project.nil?
+      self.forge_acts << ForgeActivity.new(:user_id => self.author_id,
+                                             :project_id => self.project.id)
+    end
   end
 
 end