多选题的调分

app/controllers/exercise_questions_controller.rb

@@ -497,7 +497,38 @@ class ExerciseQuestionsController < ApplicationController
         ex_obj_score = @exercise_current_user.objective_score #全部客观题得分
         ex_subj_score = @exercise_current_user.subjective_score < 0.0 ? 0.0 : @exercise_current_user.subjective_score #全部主观题得分
         ex_answers = @exercise_question.exercise_answers.search_answer_users("user_id",@user_id)  #当前用户答案的得分
-        if @exercise_question.question_type == Exercise::COMPLETION  #当为填空题，更新问题的总分,
+        if @exercise_question.question_type == Exercise::MULTIPLE
+          if ex_answers.present?   #学生有回答时 取学生的答题得分，否则0分
+            answer_choice_array = []
+            ex_answers.each do |a|
+              answer_choice_array.push(a.exercise_choice.choice_position)  #学生答案的位置
+            end
+            user_answer_content = answer_choice_array.sort
+            standard_answer = @exercise_question.exercise_standard_answers.pluck(:exercise_choice_id).sort
+            if standard_answer.size == 1  # 老数据需要判断学生答题是否正确, 正确取原题得分，否则是0分
+              standard_answer = standard_answer.first.to_s.split("").map(&:to_i).sort
+              if user_answer_content == standard_answer
+                ex_answer_old = @exercise_question.question_score
+              else
+                ex_answer_old = 0
+              end
+            else # 新多选题只需取第一条答题记录的得分
+              ex_answer_old = ex_answers.first.score > 0 ? ex_answers.first.score : 0
+            end
+          else
+            ex_answer_old = 0
+          end
+
+          new_obj_score = ex_obj_score - ex_answer_old + @c_score
+          total_scores = new_obj_score + ex_subj_score
+          ex_scores = {
+            :objective_score => new_obj_score,
+            :score => total_scores
+          }
+          @exercise_current_user.update_attributes(ex_scores)
+          ex_answers.update_all(:score => @c_score)   #所有的正确选项需重新更新
+
+        elsif @exercise_question.question_type == Exercise::COMPLETION  #当为填空题，更新问题的总分,
           ex_answer_old = ex_answers.score_reviewed.pluck(:score).sum  #每一关的得分总和
           each_right_score = (@c_score / ex_answers.count.to_f)   #调分后，平均每关的分数
           new_obj_score = ex_obj_score - ex_answer_old + @c_score
@@ -579,7 +610,7 @@ class ExerciseQuestionsController < ApplicationController
         end
       rescue Exception => e
         uid_logger_error(e.message)
-        tip_exception("没有权限")
+        tip_exception(e.message)
         raise ActiveRecord::Rollback
       end
     end
@@ -703,8 +734,8 @@ class ExerciseQuestionsController < ApplicationController
       normal_status(-1,"用户不存在！")
     elsif @c_score.blank?
       normal_status(-1,"分数不能为空!")
-    elsif @exercise_question.question_type <= Exercise::JUDGMENT
-      normal_status(-1,"选择题/判断题不能调分!")
+    elsif @exercise_question.question_type == Exercise::SINGLE || @exercise_question.question_type == Exercise::JUDGMENT
+      normal_status(-1,"单选题/判断题不能调分!")
     elsif params[:comment].present? && params[:comment].length > 100
       normal_status(-1,"评语不能超过100个字符!")
     else