优化 layouts/_user_projects 和 layouts/_user_courses页面

app/helpers/application_helper.rb

@@ -764,7 +764,7 @@ module ApplicationHelper
 
   # 判断版本库是否初始为gitlab
   def rep_is_gitlab?(project)
-    rep = Repository.where("project_id =? and type =?", project, "Repository::Gitlab")
+    rep = project.repositories.where("type =?",  "Repository::Gitlab")
     return rep.blank? ? true :false
   end
 

app/views/layouts/new_base_user.html.erb

@@ -204,7 +204,13 @@
               <% end%>
           <% end%>
         </div>
-        <% 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) %>
+        <% 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(',') + ")
+	GROUP BY ca.course_id) AS c
+	ORDER BY c.updated_at DESC limit 5").map {|c| c.course_id}.join(",") + ")"%>
+        <% courses = Course.where("id in #{course_order_ids}")%>
+        <%# 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) %>
         <div class="homepageLeftMenuCourses <%= courses.empty? ? 'none' : ''%>" id="homepageLeftMenuCourses">
           <ul>
             <%= render :partial => 'layouts/user_courses', :locals => {:courses => courses,:user => @user, :page => 0} %>
@@ -217,7 +223,14 @@
               <%=link_to "", new_project_path(:host=> Setting.host_name), :class => "homepageMenuSetting fr", :style => "margin-right:10px;", :title => "新建项目"%>
           <% end%>
         </div>
-        <% 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)%>
+        <% project_order_ids = "(" +
+            ForgeActivity.find_by_sql("SELECT  p.project_id, p.created_at FROM
+	(SELECT fa.project_id, MAX(fa.created_at) AS created_at FROM forge_activities fa WHERE fa.project_id IN (" + @user.projects.visible.select('projects.id').map{|p| p.id}.join(',') + ")
+	GROUP BY fa.project_id) AS p
+	ORDER BY p.created_at DESC limit 5").map {|p| p.project_id}.join(",") + ")"%>
+        <%# project_order_ids = "(" + ForgeActivity.select("DISTINCT project_id, max(created_at) as max_created_at").where("project_id in #{"(" + @user.projects.visible.select("projects.id").map{|p| p.id}.join(",") + ")"}").order("max_created_at desc").map {|p| p.project_id}.join(",") + ")"%>
+        <% projects = Project.joins(:repositories).where("projects.id in #{project_order_ids} and repositories.type='Repository::Gitlab'")%>
+        <%# 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)%>
         <div class="homepageLeftMenuCourses <%= projects.empty? ? 'none' : ''%>" id="homepageLeftMenuForge">
           <ul>
             <%= render :partial => 'layouts/user_projects', :locals => {:projects => projects,:user => @user, :page => 0} %>