个人主页的课程列表和项目列表排序

app/views/layouts/new_base_user.html.erb

@@ -209,7 +209,7 @@
               <% end%>
           <% end%>
         </div>
-        <% if @user.courses.visible.count > 0
+        <%# if @user.courses.visible.count > 0
            course_order_ids = "(" +
             CourseActivity.find_by_sql("SELECT  c.course_id, updated_at FROM
 	(SELECT ca.course_id, MAX(ca.updated_at) AS updated_at FROM course_activities ca WHERE ca.course_id IN (" + @user.courses.visible.select('courses.id').map{|c| c.id}.join(',') + ")
@@ -221,7 +221,11 @@
 
         end
         %>
-        <%# courses = @user.courses.visible.where("is_delete =?", 0).select("courses.*,(SELECT MAX(updated_at)  FROM `course_activities` WHERE course_activities.course_id = courses.id) AS a").order("a desc").limit(5) %>
+        <% if @user.courses.visible.count > 0
+          courses = @user.courses.visible.where("is_delete =?", 0).select("courses.*,(SELECT MAX(updated_at)  FROM `course_activities` WHERE course_activities.course_id = courses.id) AS a").order("a desc").limit(5)
+        else
+          courses = []
+        end %>
         <div class="homepageLeftMenuCourses <%= courses.empty? ? 'none' : ''%>" id="homepageLeftMenuCourses">
           <ul>
             <%= render :partial => 'layouts/user_courses', :locals => {:courses => courses,:user => @user, :page => 0} %>
@@ -234,7 +238,7 @@
               <%=link_to "", new_project_path(:host=> Setting.host_name), :class => "homepageMenuSetting fr", :style => "margin-right:10px;", :title => "新建项目"%>
           <% end%>
         </div>
-        <% if @user.projects.visible.count > 0
+        <%# if @user.projects.visible.count > 0
            project_order_ids = "(" +
             ForgeActivity.find_by_sql("SELECT  p.project_id, p.updated_at FROM
 	(SELECT fa.project_id, MAX(fa.updated_at) AS updated_at FROM forge_activities fa WHERE fa.project_id IN (" + @user.projects.visible.select('projects.id').map{|p| p.id}.join(',') + ")
@@ -246,7 +250,12 @@
            end
         %>
 
-        <%# projects = @user.projects.visible.select("projects.*, (SELECT MAX(created_at)  FROM `forge_activities` WHERE forge_activities.project_id = projects.id) AS a").order("a desc").limit(5)%>
+        <% if @user.projects.visible.count > 0
+             projects = @user.projects.visible.select("projects.*, (SELECT MAX(created_at)  FROM `forge_activities` WHERE forge_activities.project_id = projects.id) AS a").order("a desc").limit(5)
+           else
+             projects = []
+           end
+        %>
         <div class="homepageLeftMenuCourses <%= projects.empty? ? 'none' : ''%>" id="homepageLeftMenuForge">
           <ul>
             <%= render :partial => 'layouts/user_projects', :locals => {:projects => projects,:user => @user, :page => 0} %>