admin界面添加精品课程页面，目前该页面中的精品课程是固定的

app/controllers/admin_controller.rb

@@ -49,6 +49,13 @@ class AdminController < ApplicationController
     end
   end
 
+  def excellent_courses
+    @courses = Course.where("is_excellent =? or excellent_option =?", 1, 1 )
+    respond_to do |format|
+      format.html
+    end
+  end
+
   def users
     sort_init 'login', 'asc'
     sort_update %w(login firstname lastname mail admin created_on last_login_on)

app/helpers/courses_helper.rb

@@ -71,6 +71,11 @@ module CoursesHelper
     project.members.count
   end
 
+  # 统计课程中作品的数量
+  def student_works_num course
+    StudentWork.find_by_sql("SELECT * FROM student_works WHERE homework_common_id IN (SELECT id FROM homework_commons WHERE course_id = '#{course.id}')").count
+  end
+
   # 返回教师数量，即roles表中定义的Manager
   def teacherCount project
     project ? project.members.count - studentCount(project).to_i : 0

app/views/admin/excellent_courses.html.erb

@@ -0,0 +1,75 @@
+<h3>
+  <%=l(:label_excellent_courses_list)%>
+</h3>
+
+<div class="autoscroll">
+  <table class="list" style="width: 100%;table-layout: fixed">
+    <thead>
+    <tr>
+      <th style="width: 25px;">
+        序号
+      </th>
+      <th style="width: 120px;">
+        课程名
+      </th>
+      <th style="width: 50px;">
+        主讲老师
+      </th>
+      <th style="width: 30px;">
+        学生数
+      </th>
+      <th style="width: 25px;">
+        作业数
+      </th>
+      <th style="width: 25px;">
+        作品数
+      </th>
+      <th style="width: 25px;">
+        资源数
+      </th>
+      <th style="width: 70px;">
+        帖子数
+      </th>
+      <th style="width: 70px;">
+        动态数
+      </th>
+    </tr>
+    </thead>
+    <tbody>
+    <% @courses.each do |course| %>
+        <tr class="<%= cycle("odd", "even") %>">
+          <td style="text-align: center;">
+            <%= course.id %>
+          </td>
+          <td style="white-space: nowrap;overflow: hidden;text-overflow: ellipsis;" class="name" title='<%=course.name%>'>
+            <span>
+              <%= link_to(course.name, course_path(course.id)) %>
+            </span>
+          </td>
+          <td align="center">
+            <%= link_to(course.try(:teacher).try(:realname).truncate(6, omission: '...'), user_path(course.teacher)) %>
+          </td>
+          <td align="center">
+            <%= studentCount(course) %>
+          </td>
+          <td class="center">
+            <%= course.homework_commons.count%>
+          </td>
+          <td class="center">
+            <%= student_works_num(course) %>
+          </td>
+          <td class="center">
+            <%= visable_attachemnts_incourse(course).count%>
+          </td>
+          <td class="center">
+            <%= course.boards.first.topics.count + Message.where("board_id =? and parent_id is not ?", course.boards.first.id, nil).count %>
+
+          </td>
+          <td class="center">
+            <%= course.course_activities.count%>
+          </td>
+        </tr>
+    <% end %>
+    </tbody>
+  </table>
+</div>

config/locales/en.yml

@@ -1520,6 +1520,7 @@ en:
   label_submit_comments: Submit_comments
   label_course_empty_select: You have not selected course！
   label_enterprise_page_made: enterprise_page
+  label_excellent_courses_list: excellent_courses
 
   #api
   label_recently_updated_notification: Recently updated notification

config/locales/zh.yml

@@ -483,6 +483,7 @@ zh:
   label_requirement: 需求
   label_new_course: 课程列表
   label_course_all: 课程列表
+  label_excellent_courses_list: 精品课程列表
   label_teacher_all: 所有教师
   label_requirement_enterprise_list: 众包列表
   label_new_homework: 作业

config/routes.rb

@@ -933,6 +933,7 @@ RedmineApp::Application.routes.draw do
   match 'admin', :to => 'admin#index', :via => :get
   match 'admin/projects',  :via => :get
   get 'admin/courses'
+  get 'admin/excellent_courses'
   match 'admin/users',  :via => :get
   match 'admin/messages',  :via => :get
   match 'admin/first_page_made', as: :first_page_made

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 20160224074034) do
+ActiveRecord::Schema.define(:version => 20160225031230) do
 
   create_table "activities", :force => true do |t|
     t.integer  "act_id",                                  :null => false
@@ -2013,6 +2013,11 @@ ActiveRecord::Schema.define(:version => 20160224074034) do
 
   add_index "wikis", ["project_id"], :name => "wikis_project_id"
 
+  create_table "wlcs", :force => true do |t|
+    t.datetime "created_at", :null => false
+    t.datetime "updated_at", :null => false
+  end
+
   create_table "workflows", :force => true do |t|
     t.integer "tracker_id",                  :default => 0,     :null => false
     t.integer "old_status_id",               :default => 0,     :null => false

lib/redmine.rb

@@ -391,6 +391,7 @@ Redmine::MenuManager.map :admin_menu do |menu|
   menu.push :messages_list, {:controller => 'admin', :action => 'messages_list'}, :caption => :label_message_plural
   menu.push :notices, {:controller => 'admin', :action => 'notices'}, :caption => :label_notification_list
   menu.push :latest_login_users, {:controller => 'admin', :action => 'latest_login_users'}, :caption => :label_latest_login_user_list
+  menu.push :excellent_courses, {:controller => 'admin', :action => 'excellent_courses'}, :caption => :label_excellent_courses_list
   menu.push :homework, {:controller => 'admin', :action => 'homework'}, :caption => :label_user_homework
 
 end