作业积分改为总分

app/controllers/courses_controller.rb

@@ -838,7 +838,7 @@ class CoursesController < ApplicationController
     sql_select = ""
     if groupid == 0
       sql_select = "SELECT members.*,(
-          SELECT AVG(student_works.final_score)
+          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}
@@ -850,7 +850,7 @@ class CoursesController < ApplicationController
         WHERE members.course_id = #{@course.id} ORDER BY score #{score_sort_by}"
     else
       sql_select = "SELECT members.*,(
-          SELECT AVG(student_works.final_score)
+          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}

app/models/member.rb

@@ -143,6 +143,10 @@ class Member < ActiveRecord::Base
     StudentWork.joins(:homework_common).where("student_works.user_id = #{self.user_id} and homework_commons.course_id = #{self.course_id}").average(:final_score).try(:round, 2).to_f
   end
 
+  def student_work_score_sum
+    StudentWork.joins(:homework_common).where("student_works.user_id = #{self.user_id} and homework_commons.course_id = #{self.course_id}").sum(:final_score).try(:round, 2).to_f
+  end
+
   protected
 
   def validate_role

app/views/courses/_show_member_score.html.erb

@@ -28,7 +28,7 @@
               </span>
             </li>
        <% end %>
-      <li><span class="c_blue03 w280">作业积分（平均分）</span><span class="c_red w70"><%= @member_score.student_work_score_avg %></span></li>
+      <li><span class="c_blue03 w280">作业积分（总分）</span><span class="c_red w70"><%= @member_score.student_work_score_sum %></span></li>
     </ul>
 
   </div>