新建竞赛通知发送消息， 及竞赛通知删除

app/controllers/news_controller.rb

@@ -444,6 +444,8 @@ class NewsController < ApplicationController
   def destroy
     if @news.org_subfield_id
       @org_subfield = OrgSubfield.find(@news.org_subfield_id)
+    elsif @news.contest_id
+      @contest = Contest.find(@news.contest_id)
     end
     @news.destroy
     # modify by nwb
@@ -451,6 +453,8 @@ class NewsController < ApplicationController
       redirect_to project_news_index_url(@project)
     elsif @course
       redirect_to course_news_index_url(@course)
+    elsif @contest
+      redirect_to contest_news_index_url(@contest)
     elsif @org_subfield
       redirect_to organization_path(@org_subfield.organization, :org_subfield_id => @org_subfield.id)
     end

app/models/news.rb

@@ -236,6 +236,23 @@ class News < ActiveRecord::Base
         self.delay.contain_news_message(vs)
       end
 
+    elsif self.contest_id
+      vs = []
+      self.contest.contest_members.each do | m|
+        if m.user_id != self.author_id
+          vs << {course_message_type:'Contest',course_message_id:self.id, :user_id => m.user_id,
+                 :contest_id => self.contest_id, :viewed => false}
+
+          if vs.size >= 30
+            self.delay.contain_contst_news_message(vs)
+            vs.clear
+          end
+        end
+      end
+
+      unless vs.empty?
+        self.delay.contain_contst_news_message(vs)
+      end
     end
   end
 
@@ -243,6 +260,10 @@ class News < ActiveRecord::Base
     CourseMessage.create(vs)
   end
 
+  def contain_contst_news_message(vs)
+    ContestMessage.create(vs)
+  end
+
   # Time 2015-03-31 13:50:54
   # Author lizanle
   # Description 删除news后删除对应的资源