1、消息看过则不提示（方法实现）

2、添加消息新按钮

app/controllers/users_controller.rb

@@ -98,6 +98,11 @@ class UsersController < ApplicationController
 
   # 用户消息
   def user_messages
+    # 当前用户查看消息，则设置消息为已读
+    querys = @user.course_messages
+    if User.current.id == @user.id
+      querys.update_all(:viewed => true)
+    end
     if @user.course_messages
      if params[:type].nil?
        @user_course_messages = @user.course_messages
@@ -105,14 +110,14 @@ class UsersController < ApplicationController
      else
       case params[:type]
         when 'homework'
-          @user_course_messages = @user.course_messages
+          @user_course_messages = @user.course_messages.select{|x| x.course_message_type == "HomeworkCommon"}
           #@user_course_messages = ForgeMessage.find_by_sql("select * from course_messages where user_id='#{@user.id}' and course_message_type = 'HomeworkCommon' order by created_at desc;")
         when 'message'
-          @user_course_messages = @user.course_message_message
+          @user_course_messages = @user.course_messages.select{|x| x.course_message_type == "Message"}
         when 'news'
-          @user_course_messages = @user.course_message_new
+          @user_course_messages = @user.course_messages.select{|x| x.course_message_type == "News"}
         when 'poll'
-          @user_course_messages = @user.course_message_poll
+          @user_course_messages = @user.course_messages.select{|x| x.course_message_type == "Poll"}
       end
      end
         respond_to do |format|

app/models/user.rb

@@ -134,10 +134,6 @@ class User < Principal
 
 # 虚拟转换
   has_many :new_jours, :as => :jour, :class_name => 'JournalsForMessage', :conditions => "status=1"
-  has_many :course_messages_homeworks, :class_name => 'ForgeMessage', :conditions => 'forge_message_type="HomeworkCommon"'
-  has_many :course_messages_polls, :class_name => 'ForgeMessage', :conditions => 'forge_message_type="Poll"'
-  has_many :course_messages_messages, :class_name => 'ForgeMessage', :conditions => 'forge_message_type="Message"'
-  has_many :course_messages_news, :class_name => 'ForgeMessage', :conditions => 'forge_message_type="News"'
   has_many :issue_assigns, :class_name => 'ForgeMessage', :conditions => 'viewed=0 and forge_message_type="Issue"'
   has_many :status_updates, :class_name => 'ForgeMessage', :conditions => 'viewed=0 and forge_message_type="Journal"'
   # 邮件邀请状态
@@ -252,27 +248,15 @@ class User < Principal
     # count = self.journals_for_messages(:conditions => ["status=?  and is_readed = ? " ,1, 0]).count
   end
 
-  def course_message_homework user
-    user.course_messages_homeworks
-  end
-
-  def course_message_poll
-    self.course_messages_polls
-  end
-
-  def course_message_new
-    self.course_messages_news
-  end
-
-  def course_message_message
-    self.course_messages_messages
-  end
-
   # 查询指派给我的缺陷记录
   def count_new_issue_assign_to
     self.issue_assigns
   end
 
+  # 新消息统计
+  def count_new_message
+     count = CourseMessage.where("user_id =? and viewed =?", User.current.id, 0).count
+  end
   # 查询指派给我的缺陷记录
   def issue_status_update
     self.status_updates

app/views/layouts/_base_header_new.html.erb

@@ -52,30 +52,16 @@
                     </li>
                 <% end %>
                 <li><a href="<%= url_for(:controller => 'my', :action => 'account') %>">编辑资料</a></li>
-            <!--<li><a href="javascript:void(0);" class="parent">我的课程</a>-->
-              <!--<ul>-->
-                <!--<li><a href="javascript:void(0);">新建课程</a></li>-->
-                <!--<li><a href="javascript:void(0);">我的课程0我的课程我的课程01我的课程011</a></li>-->
-                <!--<li><a href="javascript:void(0);">我的课程02</a></li>-->
-                <!--<li><a href="javascript:void(0);">我的课程02</a></li>-->
-              <!--</ul>&lt;!&ndash;-level3 end-&ndash;&gt;-->
-            <!--</li>&lt;!&ndash;-level2 end-&ndash;&gt;-->
-            <!--<li><a href="javascript:void(0);" class="parent">我的项目</a>-->
-              <!--<ul>-->
-                <!--<li><a href="javascript:void(0);">新建项目</a></li>-->
-                <!--<li><a href="javascript:void(0);">我的项目01</a></li>-->
-                <!--<li><a href="javascript:void(0);">我的项目0</a></li>-->
-                <!--<li><a href="javascript:void(0);">我的项目02</a></li>-->
-              <!--</ul>&lt;!&ndash;-level3 end-&ndash;&gt;-->
-            <!--</li>&lt;!&ndash;-level2 end-&ndash;&gt;-->
-            <!--<li><a href="javascript:void(0);">我的主页</a></li>-->
               </ul>
             </li><!---level1 end--->
-          <li style="padding:0 0; margin:0 0;display:inline;border-bottom: 0;">
+            <!--消息提醒-->
-              <%=link_to l(:label_my_message)+'('+User.current.count_new_jour.to_s+')',
+            <div class="navHomepageNews">
-                         {:controller=> 'users', :action => 'user_messages', id: User.current.id, host: Setting.host_user},
+              <%= link_to image_tag("/images/news_icon_small.png" ),   {:controller=> 'users', :action => 'user_messages', id: User.current.id, host: Setting.host_user} %>
-                         {:class => 'my-message'} if User.current.logged?%>
+              <% if User.current.count_new_message >0 %>
-          </li>
+                  <div class="newsActive"></div>
+              <% end %>
+            </div>
+            <!--消息提醒end-->
             <!--<li ><a href="javascript:void(0);">退出</a></li>-->
         <% end %>
       </ul>

app/views/users/user_messages.html.erb

@@ -23,7 +23,7 @@
         <% @user_course_messages.each do |ucm| %>
             <% if ucm.course_message_type == "News" %>
                 <ul class="homepageNewsList fl">
-                  <li class="homepageNewsPortrait fl"><a href="javascript:void(0);"><img src="images/newsPortrait.png" width="35" height="35" /></a></li>
+                  <li class="homepageNewsPortrait fl"><a href="javascript:void(0);"><%= image_tag(url_to_avatar(ucm.course_message.author), :width => "30", :height => "30") %></a></li>
                   <li class="homepageNewsPublisher fl"><a href="javascript:void(0);" class="newsBlue"><%= ucm.course_message.author %></a></li>
                   <li class="homepageNewsType fl">发布通知</li>
                   <li class="homepageNewsContent fl"><a href="javascript:void(0);" class="newsGrey">
@@ -33,7 +33,7 @@
             <% end %>
             <% if ucm.course_message_type == "HomeworkCommon" %>
                 <ul class="homepageNewsList fl">
-                  <li class="homepageNewsPortrait fl"><a href="javascript:void(0);"><img src="images/newsPortrait.png" width="35" height="35" /></a></li>
+                  <li class="homepageNewsPortrait fl"><a href="javascript:void(0);"><%= image_tag(url_to_avatar(ucm.course_message.user), :width => "30", :height => "30") %></a></li>
                   <li class="homepageNewsPublisher fl"><a href="javascript:void(0);" class="newsBlue"><%= ucm.course_message.user %></a></li>
                   <li class="homepageNewsType fl">发布作业</li>
                   <li class="homepageNewsContent fl"><a href="javascript:void(0);" class="newsGrey">
@@ -43,7 +43,7 @@
             <% end %>
             <% if ucm.course_message_type == "Poll" %>
                 <ul class="homepageNewsList fl">
-                  <li class="homepageNewsPortrait fl"><a href="javascript:void(0);"><img src="images/newsPortrait.png" width="35" height="35" /></a></li>
+                  <li class="homepageNewsPortrait fl"><a href="javascript:void(0);"><%= image_tag(url_to_avatar(ucm.course_message.user), :width => "30", :height => "30") %></a></li>
                   <li class="homepageNewsPublisher fl"><a href="javascript:void(0);" class="newsBlue"><%= ucm.course_message.user %></a></li>
                   <li class="homepageNewsType fl">发布问卷</li>
                   <li class="homepageNewsContent fl"><a href="javascript:void(0);" class="newsGrey">
@@ -53,7 +53,7 @@
             <% end %>
             <% if ucm.course_message_type == "Message" %>
                 <ul class="homepageNewsList fl">
-                  <li class="homepageNewsPortrait fl"><a href="javascript:void(0);"><img src="images/newsPortrait.png" width="35" height="35" /></a></li>
+                  <li class="homepageNewsPortrait fl"><a href="javascript:void(0);"><%= image_tag(url_to_avatar(ucm.course_message.author), :width => "30", :height => "30") %></a></li>
                   <li class="homepageNewsPublisher fl"><a href="javascript:void(0);" class="newsBlue"><%= ucm.course_message.author %></a></li>
                   <% if ucm.course_message.parent_id.nil? %>
                     <li class="homepageNewsType fl">发布帖子</li>

public/stylesheets/public_new.css

@@ -597,6 +597,9 @@ a.newsGrey {color:#4b4b4b;}
 a.newsGrey:hover {color:#000000;}
 a.newsBlue {color:#15bccf;}
 a.newsBlue:hover {color:#0781b4;}
+a.resourcesGrey {font-size:12px; color:#888888;}
+a.resourcesGrey:hover {font-size:12px; color:#15bccf;}
+
 
 /***** Flash & error messages ****/
 #errorExplanation, div.flash, .nodata, .warning, .conflict {
@@ -642,3 +645,7 @@ div.flash.warning, .conflict {
 
 .conflict-details {font-size:80%;}
 /***** end Flash & error messages ****/
+
+/*消息铃铛样式*/
+.navHomepageNews {width:30px; display:block; float:right; margin-top:4px; position:relative; margin-right: 8px;}
+.newsActive {width:6px; height:6px; border-radius:50%; border:2px solid #ffffff; background-color:#ff0000; position:absolute; left:20px; top:8px;z-index:999}