建立贡献榜表及相关关联

部分页面
按总分排序（英雄榜）
部分页面（未完成）

app/helpers/courses_helper.rb

@@ -738,3 +738,22 @@ module CoursesHelper
     desc.html_safe
   end
 end
+
+# 学生按作业总分排序，取前8个
+def hero_homework_score(course, score_sort_by)
+  sql_select = "SELECT members.*,(
+          SELECT SUM(student_works.final_score)
+          FROM student_works,homework_commons
+          WHERE student_works.homework_common_id = homework_commons.id
+          AND homework_commons.course_id = #{course.id}
+          AND student_works.user_id = members.user_id
+        ) AS score
+        FROM members
+        JOIN students_for_courses
+        ON students_for_courses.student_id = members.user_id AND students_for_courses.course_id = members.course_id
+        WHERE members.course_id = #{course.id} ORDER BY score #{score_sort_by} limit 9"
+  sql = ActiveRecord::Base.connection()
+  homework_scores = Member.find_by_sql(sql_select)
+  sql.close()
+  homework_scores
+end

app/models/course.rb

@@ -40,8 +40,10 @@ class Course < ActiveRecord::Base
 
   has_many :course_activities
   # 课程消息
-  has_many :course_messages,  :class_name =>'CourseMessage', :as => :course_message, :dependent => :destroy
+  has_many :course_messages, :class_name =>'CourseMessage', :as => :course_message, :dependent => :destroy
   has_many :exercises, :dependent => :destroy
+  # 课程贡献榜
+  has_many :course_contributor_scores, :dependent => :destroy
 
   acts_as_taggable
   acts_as_nested_set :order => 'name', :dependent => :destroy

app/models/course_contributor_score.rb

@@ -0,0 +1,5 @@
+class CourseContributorScore < ActiveRecord::Base
+  attr_accessible :course_id, :journal_num, :journal_reply_num, :message_num, :message_reply_num, :news_reply_num, :resource_num, :user_id
+  belongs_to :course
+  belongs_to :user
+end

app/models/user.rb

@@ -153,6 +153,8 @@ class User < Principal
   # 邮件邀请状态
   has_many :invite_lists,  :dependent => :destroy
   # end
+  # 课程贡献榜
+  has_many :course_contributor_scores, :dependent => :destroy
 
 ######added by nie
   has_many :project_infos, :dependent => :destroy

app/views/layouts/base_courses.html.erb

@@ -200,7 +200,58 @@
           <%= render 'courses/tool_expand', :locals => {:is_teacher => is_teacher, :course_file_num => course_file_num} %>
         </ul>
       </div><!--项目侧导航 end-->
+      <%# 课程贡献榜 %>
       <div class="cl"></div>
+      <ul class="rankList">
+        <p class="fontGrey2 f14">课程贡献榜</p>
+        <li> <a href="javascript:void:(0);"><img src="images/homepageProfileImage.png" width="35" height="35" alt="jack_nudt" class="rankPortrait" /></a>
+          <p><a href="javascript:void:(0);">jack_nudt</a></p>
+          <p><span class="c_green" style="cursor:pointer">6598</span></p>
+          <div class="numIntro">发帖：650<br />
+            评论：98</div>
+        </li>
+        <li> <a href="javascript:void:(0);"><img src="images/homepageProfileImage.png" width="35" height="35" alt="jack_nudt" class="rankPortrait" /></a>
+          <p><a href="javascript:void:(0);">linchun</a></p>
+          <p><span class="c_green" style="cursor:pointer">5421</span></p>
+        </li>
+        <li> <a href="javascript:void:(0);"><img src="images/homepageProfileImage.png" width="35" height="35" alt="jack_nudt" class="rankPortrait" /></a>
+          <p><a href="javascript:void:(0);">junjie</a></p>
+          <p><span class="c_green" style="cursor:pointer">3675</span></p>
+        </li>
+        <li> <a href="javascript:void:(0);"><img src="images/homepageProfileImage.png" width="35" height="35" alt="jack_nudt" class="rankPortrait" /></a>
+          <p><a href="javascript:void:(0);">timtang</a></p>
+          <p><span class="c_green" style="cursor:pointer">2775</span></p>
+        </li>
+        <li> <a href="javascript:void:(0);"><img src="images/homepageProfileImage.png" width="35" height="35" alt="jack_nudt" class="rankPortrait" /></a>
+          <p><a href="javascript:void:(0);">xiaoting</a></p>
+          <p><span class="c_green" style="cursor:pointer">1986</span></p>
+        </li>
+        <li> <a href="javascript:void:(0);"><img src="images/homepageProfileImage.png" width="35" height="35" alt="jack_nudt" class="rankPortrait" /></a>
+          <p><a href="javascript:void:(0);">zanle</a></p>
+          <p><span class="c_green" style="cursor:pointer">1327</span></p>
+        </li>
+        <li> <a href="javascript:void:(0);"><img src="images/homepageProfileImage.png" width="35" height="35" alt="jack_nudt" class="rankPortrait" /></a>
+          <p><a href="javascript:void:(0);">huang</a></p>
+          <p><span class="c_green" style="cursor:pointer">1143</span></p>
+        </li>
+        <li> <a href="javascript:void:(0);"><img src="images/homepageProfileImage.png" width="35" height="35" alt="jack_nudt" class="rankPortrait" /></a>
+          <p><a href="javascript:void:(0);">guangge</a></p>
+          <p><span class="c_green" style="cursor:pointer">999</span></p>
+        </li>
+        <div class="cl"></div>
+      </ul>
+      <ul class="rankList">
+        <p class="fontGrey2 f14">课程英雄榜</p>
+        <% hero_homework_score(@course, "desc").each do |student_score| %>
+        <li> <a href="javascript:void:(0);"><%=link_to image_tag(url_to_avatar(student_score.user), :width => "35", :height => "35", :class=> "rankPortrait"),user_path(student_score.user) %></a>
+          <p><a href="javascript:void:(0);"><%=link_to student_score.user, user_path(student_score.user)  %></a></p>
+          <p><span class="c_red" style="cursor:pointer" title="作业总分：<%= student_score.score  %>"><%= student_score.score.to_i %></span></p>
+          <!--<div class="numIntro">作业总分：<%#= student_score.score %><br />-->
+            <!--测验：98</div>-->
+        </li>
+        <% end %>
+        <div class="cl"></div>
+      </ul>
       <div class="project_intro">
         <div id="course_description" class="course_description">
           <h4 ><%= l(:label_course_brief_introduction)%>：</h4>

db/migrate/20151125064914_create_course_contributor_scores.rb

@@ -0,0 +1,16 @@
+class CreateCourseContributorScores < ActiveRecord::Migration
+  def change
+    create_table :course_contributor_scores do |t|
+      t.integer :course_id
+      t.integer :user_id
+      t.integer :message_num
+      t.integer :message_reply_num
+      t.integer :news_reply_num
+      t.integer :resource_num
+      t.integer :journal_num
+      t.integer :journal_reply_num
+
+      t.timestamps
+    end
+  end
+end

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 20151120134208) do
+ActiveRecord::Schema.define(:version => 20151125064914) do
 
   create_table "activities", :force => true do |t|
     t.integer  "act_id",                                  :null => false
@@ -241,6 +241,58 @@ ActiveRecord::Schema.define(:version => 20151120134208) do
 
   add_index "changesets_issues", ["changeset_id", "issue_id"], :name => "changesets_issues_ids", :unique => true
 
+  create_table "code_review_assignments", :force => true do |t|
+    t.integer "issue_id"
+    t.integer "change_id"
+    t.integer "attachment_id"
+    t.string  "file_path"
+    t.string  "rev"
+    t.string  "rev_to"
+    t.string  "action_type"
+    t.integer "changeset_id"
+  end
+
+  create_table "code_review_project_settings", :force => true do |t|
+    t.integer  "project_id"
+    t.integer  "tracker_id"
+    t.datetime "created_at"
+    t.datetime "updated_at"
+    t.integer  "updated_by"
+    t.boolean  "hide_code_review_tab",     :default => false
+    t.integer  "auto_relation",            :default => 1
+    t.integer  "assignment_tracker_id"
+    t.text     "auto_assign"
+    t.integer  "lock_version",             :default => 0,     :null => false
+    t.boolean  "tracker_in_review_dialog", :default => false
+  end
+
+  create_table "code_review_user_settings", :force => true do |t|
+    t.integer  "user_id",           :default => 0, :null => false
+    t.integer  "mail_notification", :default => 0, :null => false
+    t.datetime "created_at"
+    t.datetime "updated_at"
+  end
+
+  create_table "code_reviews", :force => true do |t|
+    t.integer  "project_id"
+    t.integer  "change_id"
+    t.datetime "created_at"
+    t.datetime "updated_at"
+    t.integer  "line"
+    t.integer  "updated_by_id"
+    t.integer  "lock_version",        :default => 0, :null => false
+    t.integer  "status_changed_from"
+    t.integer  "status_changed_to"
+    t.integer  "issue_id"
+    t.string   "action_type"
+    t.string   "file_path"
+    t.string   "rev"
+    t.string   "rev_to"
+    t.integer  "attachment_id"
+    t.integer  "file_count",          :default => 0, :null => false
+    t.boolean  "diff_all"
+  end
+
   create_table "comments", :force => true do |t|
     t.string   "commented_type", :limit => 30, :default => "", :null => false
     t.integer  "commented_id",                 :default => 0,  :null => false
@@ -330,6 +382,19 @@ ActiveRecord::Schema.define(:version => 20151120134208) do
     t.integer  "container_id",   :default => 0
   end
 
+  create_table "course_contributor_scores", :force => true do |t|
+    t.integer  "course_id"
+    t.integer  "user_id"
+    t.integer  "message_num"
+    t.integer  "message_reply_num"
+    t.integer  "news_reply_num"
+    t.integer  "resource_num"
+    t.integer  "journal_num"
+    t.integer  "journal_reply_num"
+    t.datetime "created_at",        :null => false
+    t.datetime "updated_at",        :null => false
+  end
+
   create_table "course_groups", :force => true do |t|
     t.string   "name"
     t.integer  "course_id"

public/stylesheets/courses.css

@@ -1173,6 +1173,6 @@ a:hover.testEdit{ background:url(images/icons.png) -21px -272px  no-repeat;}
 .courseMenuSetting:hover {background:url(../images/homepage_icon2.png) -190px -407px no-repeat;}
 .rankList {width:220px; padding:10px; background-color:#ffffff; margin-top:10px;}
 .rankList li {width:73px; padding:5px 0px; text-align:center; float:left; position:relative;}
-.rankList li p {width:100%; overflow:hidden; white-space:normal; text-overflow:ellipsis; color:#585858;}
+.rankList li p {width:100%; overflow:hidden; white-space:normal; text-overflow:ellipsis; color:#585858;word-wrap: normal; word-break: normal;}
 .rankPortrait {border-radius:50%; width:35px; height:35px;}
 .numIntro {position:absolute; text-align:left; z-index:999; box-shadow:0px 2px 8px rgba(146, 153, 169, 0.5); border:1px solid #eaeaea; background-color:#ffffff; padding:3px 5px; left:15px; width:65px; color:#585858;}

spec/factories/course_contributor_scores.rb

@@ -0,0 +1,13 @@
+FactoryGirl.define do
+  factory :course_contributor_score do
+    course_id 1
+user_id 1
+message_num 1
+message_reply_num 1
+news_reply_num 1
+resource_num 1
+journal_num 1
+journal_reply_num 1
+  end
+
+end

spec/models/course_contributor_score_spec.rb

@@ -0,0 +1,5 @@
+require 'rails_helper'
+
+RSpec.describe CourseContributorScore, :type => :model do
+  pending "add some examples to (or delete) #{__FILE__}"
+end