消息结构优化

app/controllers/courses_controller.rb

@@ -9,6 +9,7 @@ class CoursesController < ApplicationController
   helper :attachments
   helper :files
   helper :activity_notifys
+  include ApplicationHelper
 
   before_filter :auth_login1, :only => [:show, :course_activity, :feedback]
   menu_item :overview
@@ -454,6 +455,8 @@ class CoursesController < ApplicationController
   end
 
   def member
+    # 当前用户查看班级消息时，设置消息为已读
+    update_messsages_to_viewed("CourseMessage", "JoinCourse", @course)
     ## 有角色参数的才是课程，没有的就是项目
     if (User.current.admin? || @course.is_public == 1 || (@course.is_public == 0 && User.current.member_of_course?(@course)))
       @render_file = 'new_member_list'

app/helpers/application_helper.rb

@@ -1036,6 +1036,17 @@ module ApplicationHelper
     return @result
   end
 
+  # 更新各类消息为已读
+  def update_messsages_to_viewed(message_type, forge_message_type, forge_message_id)
+    if( message_type == "CourseMessage")
+      query = CourseMessage.where(:course_message_type => forge_message_type,
+                                  :user_id => User.current,
+                                  :course_id => forge_message_id,
+                                  :viewed => false).first
+      query.update_attribute(:viewed, true) unless query.nil?
+    end
+  end
+
   def show_attachment_tip container_id, container_type
     atts = Attachment.where(:container_id => container_id, :container_type => container_type, :is_public => 0)
     atts.count > 0 ? true :false