系统评分后获取得分赋值到系统评分字段，并计算最终得分

app/controllers/student_work_controller.rb

@@ -382,6 +382,7 @@ class StudentWorkController < ApplicationController
   def set_program_score
     stundet_work = StudentWork.find_by_id params[:student_work_id]
     @course = stundet_work.homework_common.course
+    student_score_count = 0
     if stundet_work && params[:results] && params[:results].class.to_s == "Array"
       homework_common = stundet_work.homework_common
       params[:results].each do |result|
@@ -391,9 +392,28 @@ class StudentWorkController < ApplicationController
           student_work_test.student_work = stundet_work
           student_work_test.homework_test = homework_test
           student_work_test.result = result[:status]
+          if student_work_test.result == 0
+            student_score_count += 1
+          end
           student_work_test.save!
         end
       end
+      unless homework_common.homework_tests.empty?
+        stundet_work.student_score = student_score_count * 100.0 / homework_common.homework_tests.count
+
+        if stundet_work.teacher_score.nil?
+          if stundet_work.teaching_asistant_score.nil?
+            stundet_work.final_score = stundet_work.student_score
+          else
+            final_ta_score = BigDecimal.new("#{stundet_work.teaching_asistant_score}") * BigDecimal.new("#{homework_common.homework_detail_programing.ta_proportion}")
+            final_s_score = BigDecimal.new("#{stundet_work.student_score}") * (BigDecimal.new('1.0')  - BigDecimal.new("#{homework_common.homework_detail_programing.ta_proportion}"))
+            final_score = final_ta_score + final_s_score
+            stundet_work.final_score = format("%.1f",final_score.to_f)
+          end
+        end
+
+        stundet_work.save!
+      end
     end
   end