1.作业列表评分结果显示保留2位有效数字

2.互评界面显示最终评分数值
3.增加互评按钮，修改查看学号、按学号排序等功能的条件
4.修改互评界面作业下载信息显示，取消描述

app/helpers/courses_helper.rb

@@ -136,4 +136,15 @@ module CoursesHelper
   def find_by_extra_from_project extra
     Course.find_by_extra(try(extra))
   end
+  #判断制定用户是不是当前课程的老师
+  def is_course_teacher user,project
+    is_teacher = false
+    searchTeacherAndAssistant(project).each do |teacher|
+      if user == teacher
+        is_teacher = true
+        break
+      end
+    end
+    is_teacher
+  end
 end

app/models/homework_user.rb

@@ -2,5 +2,5 @@ class HomeworkUser < ActiveRecord::Base
   attr_accessible :homework_attach_id, :user_id
 
   belongs_to :homework_attach
-  has_one :user
+  belongs_to :user
 end

app/models/user.rb

@@ -73,7 +73,7 @@ class User < Principal
     ['none', :label_user_mail_option_none]
   ]
 
-  has_one :homework_user
+  belongs_to :homework_user
 
   has_and_belongs_to_many :groups, :after_add => Proc.new {|user, group| group.user_added(user)},
                                    :after_remove => Proc.new {|user, group| group.user_removed(user)}

app/views/bids/_homework_list.html.erb

@@ -1,4 +1,5 @@
 <!-- fq -->
+<% is_teacher = is_course_teacher User.current,@bid.courses.first.project %>
 <%= form_tag(:controller => 'bids', :action => "show_project", :method => :get) do %>
 <div class="project-search-block">
 	<table width="100%" valign="center">
@@ -6,8 +7,10 @@
 			<td ><span style="margin-left:0px"><%= l(:label_task_plural)%>(<%= @homework_list.count%>)</span></td>
             <td align="right">
 			<div class="project-search">
-				<%= text_field_tag 'student_id', params[:student_id], :size => 30 %>
-				<%= submit_tag l(:label_search_by_student_id), :class => "small", :name => nil %>	
+                <% if is_teacher %>
+                    <%= text_field_tag 'student_id', params[:student_id], :size => 30 %>
+                    <%= submit_tag l(:label_search_by_student_id), :class => "small", :name => nil %>
+                <% end %>
 			</div></td>
 		</tr>
 	</table>
@@ -25,16 +28,25 @@
 			<td colspan="2" valign="top" width="50" ><%= image_tag(url_to_avatar(homework.user), :class => "avatar")%></td>		
 			<td>
 				<table width="580px" border="0">
-                    <tr>&nbsp;&nbsp;&nbsp;<strong>作业&nbsp;&nbsp; :</strong>&nbsp;
-                      <% filename = "" %>
-                      <% homework.attachments.map do |attachment| %>
-                        <% filename = attachment.filename %>
-                        <% if homework.attachments.count > 1%>
-                             <% filename +=  "等#{homework.attachments.count}个文件"  %>
+                    <tr>
+                      <td style="width: 300px">
+                        &nbsp;&nbsp;<strong>作业&nbsp;&nbsp; :</strong>&nbsp;
+                        <% attachments = homework.attachments.map %>
+                        <% for attachment in attachments %>
+                            <% if attachments.count > 1 && attachment != attachments.first %>
+                                <br/>
+                                <% for item in 1..7 %>
+                                    &nbsp;
+                                <% end %>
+                            <% end %>
+                            <%= link_to_attachment attachment , :download => true -%>
                         <% end %>
-                        <% break %>
-                      <% end %>
-                      <%= link_to filename , homework_attach_path(homework)%>
+                      </td>
+                      <td style="vertical-align: top">
+                        <% if display_id %>
+                            <%= link_to "互评>>" , homework_attach_path(homework)%>
+                        <% end %>
+                      </td>
                     </tr>
 					<tr>
 						<td colspan="1" valign="top" style="width: 300px">&nbsp;
@@ -48,7 +60,7 @@
                               <% sum = sum + star_reates.stars %>
                           <% end %>
                           <% stars_reates_count = stars_reates.count == 0 ? 1 : stars_reates.count %>
-                          <%= sum * 1.0 / stars_reates_count  %>
+                          <%= format("%.2f", sum * 1.0 / stars_reates_count)  %>
                         </td>
 						<td valign="top" align="right">
 							<% if Time.parse(@bid.deadline.to_s) < Time.parse(homework.attachments[0].created_on.to_s) %>
@@ -58,20 +70,20 @@
 					</tr>
 					<tr>
 						<td colspan="2" valign="top">&nbsp;
-						<% if display_id %>
-						<strong><%= l(:label_bidding_user_studentcode) %>&nbsp; ：&nbsp;<%= homework.user.user_extensions.student_id%></strong>
-						<% end %>
+                            <% if display_id %>
+                                <strong><%= l(:label_bidding_user_studentcode) %>&nbsp; ：&nbsp;<%= homework.user.user_extensions.student_id%></strong>
+                            <% end %>
 						</td>
 					</tr>
 					<tr>
 						<td colspan="2" width="580px" >					
-					<% if (User.current == homework.user) || (!Member.where('user_id = ? and project_id = ?', User.current.id, @bid.courses.first.id).first.nil? && (Member.where('user_id = ? and project_id = ?', User.current.id, @bid.courses.first.id).first.roles&Role.where('id = ? or id = ? or id =?',3,7, 9)).size >0) %>
-							<p class="font_description">
-								<% options = {:author => true, :deletable => attach_delete(homework)} %>
-								<%= render :partial => 'attachments/links',
-								:locals => {:attachments => homework.attachments, :options => options} %>
-							</p>
-					<% end %>					
+                        <% if (User.current == homework.user) || (!Member.where('user_id = ? and project_id = ?', User.current.id, @bid.courses.first.id).first.nil? && (Member.where('user_id = ? and project_id = ?', User.current.id, @bid.courses.first.id).first.roles&Role.where('id = ? or id = ? or id =?',3,7, 9)).size >0) %>
+                            <p class="font_description">
+                                <% options = {:author => true, :deletable => attach_delete(homework)} %>
+                                <%= render :partial => 'attachments/links',
+                                :locals => {:attachments => homework.attachments, :options => options} %>
+                            </p>
+                        <% end %>
 						</td>
 					</tr>
 				</table>

app/views/homework_attach/_app_link.html.erb

@@ -0,0 +1,12 @@
+<!-- #wang -->
+<% for attachment in attachments %>
+    <% if attachments.count > 1 && attachment != attachments.first%>
+        <br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
+    <% end %>
+    <%= link_to_attachment attachment, :class => 'icon icon-attachment', :download => true -%>
+    <% if attachment.is_text? %>
+        <%= link_to image_tag('magnifier.png'),
+                :controller => 'attachments', :action => 'show',
+                :id => attachment, :filename => attachment.filename %>
+    <% end %>
+  <% end -%>

app/views/homework_attach/show.html.erb

@@ -18,7 +18,9 @@
           <td colspan="2" valign="top"><strong>作业基础信息<%=@count %></strong></td>
         </tr>
         <tr>
-          <td style="width: 570px; padding-left:40px; word-wrap: break-word; word-break: break-all">发布人员：<%= link_to @homework.user, user_path(@homework.user)%></td>
+          <td style="width: 570px; padding-left:40px; word-wrap: break-word; word-break: break-all">
+            发布人员：<%= link_to @homework.user, user_path(@homework.user)%>
+          </td>
           <td>发布时间：<%=format_time @homework.created_at %></td>
 
         </tr>
@@ -26,9 +28,11 @@
           <td style="padding-left: 40px">
             <span>作业下载：</span>
             <% options = {:author => true } %>
-            <%= render :partial => 'attachments/app_link', :locals => {:attachments => @homework.attachments, :options => options} %>
+            <%= render :partial => 'app_link', :locals => {:attachments => @homework.attachments, :options => options} %>
+          </td>
+          <td style="width: 240px; word-wrap: break-word; word-break: break-all">
+            所属任务：<%= link_to(@homework.bid.name, project_for_bid_path(@homework.bid))%>
           </td>
-          <td style="width: 240px; word-wrap: break-word; word-break: break-all">所属任务：<%= link_to(@homework.bid.name, project_for_bid_path(@homework.bid))%></td>
 
         </tr>
         <tr>
@@ -49,7 +53,7 @@
     <td>
       <table width="100%" border="0">
         <tr>
-          <td colspan="2" valign="top"><strong><div style="font-size: 15px;">作业描述：</div></strong></td>
+          <td colspan="2" valign="top"><div style="font-size: 15px;"><strong>作业描述：</strong></div></td>
         </tr>
         <% @homework.attachments.map do |attachment| %>
             <% if attachment.description != nil && attachment.description != "" %>
@@ -67,16 +71,20 @@
 <div class="underline-contests_one"></div>
 
 <div style="height: auto; padding-bottom: 10px">
-  <div style="font-size: 15px;"><strong>作业得分：</strong></div>
+  <div style="font-size: 15px;">
+    <strong>作业得分：</strong>
+  </div>
   <div style="overflow: hidden">
     <div style="margin-left: 15%; float: left">
       <div style="padding-left: 45px; padding-bottom: 5px">得分比例</div>
       <div>
         <% 100.step(20,-20) do |star|  %>
-            <div data-kls="Softapplication" data-id="2" data-dimension="quality" data-average="3.25" class="rateable div_inline jDisabled" style="height: 20px; width: 115px; overflow: hidden; z-index: 1; position: relative;">
+            <div data-kls="HomeworkAttach" data-id="2" data-dimension="quality" data-average="3.25" class="rateable div_inline jDisabled"
+                 style="height: 20px; width: 115px; overflow: hidden; z-index: 1; position: relative;">
               <div class="jRatingColor" style="width: <%=star%>%;"></div>
               <div class="jRatingAverage" style="width: 0px; top: -20px;"></div>
-              <div class="jStar" style="width: 115px; height: 20px; top: -40px; background: url('/images/seems_rateable/stars.png') repeat-x scroll 0% 0% transparent;">
+              <div class="jStar" style="width: 115px; height: 20px; top: -40px;
+                        background: url('/images/seems_rateable/stars.png') repeat-x scroll 0% 0% transparent;">
               </div>
             </div>
             <%= @stars_status_map["star#{(star/20).to_s}".to_sym] %>
@@ -85,7 +93,11 @@
       </div>
     </div>
     <div style="float: left; padding-left: 100px; padding-top:35px ">
-      <div style="padding-left: 25px;">最终得分</div>
+      <div style="text-align: center">最终得分</div>
+      <div style="padding-top: 1px; font-size: 15px; color: blue;text-align: center">
+        <%= @homework.average(:quality).try(:avg).try(:round, 2).to_s %>
+        分
+      </div>
       <div style="padding-top: 3px">
         <%= rating_for @homework, :static => true, dimension: :quality, class: 'rateable div_inline' %>
       </div>
@@ -102,6 +114,18 @@
 </div>
 <div class="underline-contests_one"></div>
 
+<!--
+<div style="height: auto; padding-bottom: 10px">
+  <div style="font-size: 15px">
+    <strong>作业综评：</strong>
+  </div>
+  <div style="text-align: center;">评分:
+    <%= rating_for @homework, :static => true, dimension: :quality, class: 'rateable div_inline' %>
+  </div>
+</div>
+<div class="underline-contests_one"></div>
+-->
+
 <div style="height: 50px">
   <div style="font-size: 15px"><strong>作业评论：</strong></div>
   <div style="text-align: center;">评分:
@@ -121,5 +145,4 @@
   <%= render :partial => 'showjour', :locals => {:jour => @jours} %>
 </div>
 <div>
-<%#= link_to '返回竞赛页面', show_softapplication_contest_path(@softapplication.contest) %>
 </div>