1.增加访问界面时根据角色不同显示不同界面

2.增加学生创建作业、删除作业功能
3.修改学生创建作业时的路由

app/controllers/homework_attach_controller.rb

@@ -70,6 +70,7 @@ class HomeworkAttachController < ApplicationController
 
   #获取学生匿评列表
   def get_student_batch_homework
+    @is_student_batch_homework = true
     teachers = find_course_teachers @course
     all_homework_list = HomeworkAttach.eager_load(:attachments,:user,:rate_averages).find_by_sql("SELECT * FROM(SELECT homework_attaches.*,
           (SELECT AVG(stars) FROM seems_rateable_rates WHERE rateable_type = 'HomeworkAttach' AND rateable_id = homework_attaches.id AND rater_id IN #{teachers}) AS t_score,
@@ -87,12 +88,13 @@ class HomeworkAttachController < ApplicationController
 
   #获取我的作业
   def get_my_homework
+    @is_my_homework = true
     teachers = find_course_teachers @course
     all_homework_list = HomeworkAttach.find_by_sql("SELECT homework_attaches.*,
         (SELECT AVG(stars) FROM seems_rateable_rates WHERE rateable_type = 'HomeworkAttach' AND rateable_id = homework_attaches.id AND rater_id IN #{teachers}) AS t_score,
         (SELECT AVG(stars) FROM seems_rateable_rates WHERE rateable_type = 'HomeworkAttach' AND rateable_id = homework_attaches.id AND rater_id NOT IN #{teachers}) AS s_score
         FROM homework_attaches
-        WHERE homework_attaches.bid_id = #{@bid.id} AND homework_attaches.user_id = #{User.current.id}");
+        WHERE homework_attaches.bid_id = #{@bid.id} AND homework_attaches.user_id = #{User.current.id}")
     #如果我没有创建过作业，就检索我是否参与了某个作业
     if all_homework_list.empty?
       all_homework_list = HomeworkAttach.find_by_sql("SELECT homework_attaches.*,
@@ -314,9 +316,14 @@ class HomeworkAttachController < ApplicationController
   def destroy
     if User.current.admin? || User.current == @homework.user
       if @homework.destroy
+        #respond_to do |format|
+        #  format.html { redirect_to course_for_bid_url @homework.bid }
+        #  format.json { head :no_content }
+        #end
+        @homework_list = []
+        @is_my_homework = true
         respond_to do |format|
-          format.html { redirect_to course_for_bid_url @homework.bid }
-          format.json { head :no_content }
+          format.js
         end
       else
       end
@@ -450,7 +457,10 @@ class HomeworkAttachController < ApplicationController
 
   def find_course_by_hoemwork_id
     @homework = HomeworkAttach.find(params[:id])
-    @course = @homework.bid.courses[0]
+    @bid = @homework.bid
+    @course = @bid.courses.first
+  rescue ActiveRecord::RecordNotFound
+    render_404
   end
 
   #获取课程的老师列表

app/views/bids/_homework.html.erb

@@ -28,13 +28,6 @@
         }
 	</script>
 </div>
-<% if User.current.logged? && User.current.member_of_course?(@bid.courses.first) && cur_user_homework_for_bid(@bid).count == 0 && is_cur_course_student(@bid.courses.first)   %>
-    <div class='icon icon-add'>
-      <%= link_to l(:label_course_new_homework),new_homework_attach_path  %>
-      <strong style="color: #a9a9a9">&nbsp;&nbsp;(每一个作业都可以是一个精美的作品)</strong>
-    </div>
-<% end %>
-
 <div id='bidding_project_list'>
 	<%= render :partial => 'homework_list' %>
 </div>

app/views/homework_attach/_homeworks_list.html.erb

@@ -1,4 +1,8 @@
 <% is_teacher = is_course_teacher(User.current,@bid.courses.first) %>
+<% is_my_homework ||= false %>
+<% is_student_batch_homework ||= false %>
+
+<% unless is_my_homework || is_student_batch_homework %>
     <div class="code_list">
       <span>
         <%= l(:label_homework_list)%>
@@ -13,9 +17,28 @@
           &nbsp;<%= l(:label_sort)  %>
       </span>
     </div>
+<% end %>
 
 <div class="cl"></div>
+
 <% unless homeworks.nil? %>
+    <% if !is_teacher && is_my_homework && homeworks.empty?  %>
+        <!-- 是学生，我的作业，且作业列表为空，即我未提交作业 -->
+        <ul>
+          <li class="pic_head">
+            <%= link_to image_tag(url_to_avatar(User.current), :width => "40", :height => "40"), user_path(User.current) %>
+            <span>
+              <%= link_to User.current.login, user_path(User.current), :title => User.current.login%>
+            </span>
+          </li>
+          <li class="c_red" style="margin:25px 0 0 20px;"> 您还没交作业，请创建作业！</li>
+          <li class="wping">
+            <%= link_to "创建作业", new_exercise_book_path(@bid), :style => "width:80px; margin:20px 0 0 350px;" %>
+          </li>
+        </ul>
+        <div class="cl"></div>
+    <% end %>
+
     <% homeworks.each do |homework| %>
         <ul>
           <li class="pic_head">
@@ -50,15 +73,48 @@
               <%= homework.s_score.nil? ? l(:label_without_score) : format("%.2f",homework.s_score) %>
             </span>
           </li>
+          <% if is_teacher %>
+              <!-- 是老师，所有列表正常显示 -->
+              <li class="wping">
+                <%= link_to l(:label_work_rating),homework_attach_path(homework),:remote => true  %>
+                <% if Time.parse(bid.deadline.to_s).strftime("%Y-%m-%d") < Time.parse(homework.created_at.to_s).strftime("%Y-%m-%d") %>
+                    <span class="c_red">&nbsp;&nbsp;迟交！</span>
+                <% end %>
+              </li>
+          <% else %>
+              <!-- 是学生 -->
+              <% if is_my_homework %>
+                  <!-- 我的作品，显示为编辑和删除 -->
+                  <li class="wmine">
+                    <%= link_to l(:button_edit), edit_homework_attach_path(homework) %>
+                    <%  if homework.user == User.current || User.current.admin? %>
+                        <%= link_to(l(:label_bid_respond_delete), homework,
+                                    method: :delete, :confirm => l(:text_are_you_sure), :remote => true )  %>
+                    <% end %>
+                  </li>
+              <% elsif is_student_batch_homework%>
+                  <!-- 学生匿评列表，正常显示 -->
                   <li class="wping">
                     <%= link_to l(:label_work_rating),homework_attach_path(homework),:remote => true  %>
                     <% if Time.parse(bid.deadline.to_s).strftime("%Y-%m-%d") < Time.parse(homework.created_at.to_s).strftime("%Y-%m-%d") %>
                         <span class="c_red">&nbsp;&nbsp;迟交！</span>
                     <% end %>
                   </li>
+              <% else %>
+                  <!-- 学生众评列表，显示为点赞 -->
+                  <li class="wping">
+                    <a href="#" target="_blank"  >点赞</a>
+                  </li>
+              <% end %>
+          <% end %>
         </ul>
         <div class="cl"></div>
     <% end %>
 <% else %>
 <% end %>
-<ul class="wlist"><%= pagination_links_full @obj_pages, @obj_count, :per_page_links => false, :remote => remote, :flag => true%></ul>
+<!-- 如果是我的作业或者匿评列表界面不现实分页控件 -->
+<% unless is_my_homework || is_student_batch_homework %>
+    <ul class="wlist">
+      <%= pagination_links_full @obj_pages, @obj_count, :per_page_links => false, :remote => remote, :flag => true%>
+    </ul>
+<% end %>

app/views/homework_attach/destroy.js.erb

@@ -0,0 +1,2 @@
+$('#tbc_01').html('<%= escape_javascript(render(:partial => 'homeworks_list',
+    :locals => {:homeworks => @homework_list, :bid => @bid, :remote => true, :is_my_homework => @is_my_homework} )) %>');

app/views/homework_attach/get_my_homework.js.erb

@@ -1,4 +1,4 @@
 $('#tbc_01').html('<%= escape_javascript(render(:partial => 'homeworks_list',
-    :locals => {:homeworks => @homework_list, :homework_count => @obj_count, :bid => @bid, :remote => true} )) %>');
+    :locals => {:homeworks => @homework_list, :homework_count => @obj_count, :bid => @bid, :remote => true, :is_my_homework => @is_my_homework} )) %>');
 for(var i=5;i<=8;i++){$("#tb_"+i).removeClass().addClass("normaltab");}
 $("#tb_6").removeClass().addClass("hovertab");

app/views/homework_attach/get_student_batch_homework.js.erb

@@ -1,4 +1,4 @@
 $('#tbc_01').html('<%= escape_javascript(render(:partial => 'homeworks_list',
-    :locals => {:homeworks => @homework_list, :homework_count => @obj_count, :bid => @bid, :remote => true} )) %>');
+    :locals => {:homeworks => @homework_list, :homework_count => @obj_count, :bid => @bid, :remote => true, :is_student_batch_homework => @is_student_batch_homework} )) %>');
 for(var i=5;i<=8;i++){$("#tb_"+i).removeClass().addClass("normaltab");}
 $("#tb_5").removeClass().addClass("hovertab");

config/routes.rb

@@ -701,7 +701,7 @@ RedmineApp::Application.routes.draw do
   match 'contest/new_contest', :to => 'bids#new_contest' #huang
   match 'calls/:id/show_project', :to => 'bids#show_project', :as => 'project_for_bid'
   match 'calls/:id/show_course', :to => 'bids#show_courseEx', :as => 'course_for_bid'  # nwb added
-  match 'calls/:id/new_exercise_book', :to => 'homework_attach#new', :as => 'new_homework_attach'
+  match 'calls/:id/new_exercise_book', :to => 'homework_attach#new', :as => 'new_exercise_book'
   match 'calls/:id/add', :to => 'bids#add'
   match 'calls/:id/delete', :to => 'bids#delete'
   match 'calls/:id/add_homework', :to => 'bids#add_homework', :via =>  :post