试卷成绩迁移

db/migrate/20191204030230_migrate_exercise_single_question_score.rb

@@ -5,11 +5,11 @@ class MigrateExerciseSingleQuestionScore < ActiveRecord::Migration[5.2]
 
       question = answer.exercise_question
       exercise_user = ExerciseUser.find_by(exercise_id: question.exercise_id, user_id: answer.user_id)
-      user_choice_position = answer.exercise_choice&.choice_position
 
-      if user_choice_position && (user_choice_position.to_i == question.exercise_standard_answers.take&.exercise_choice_id.to_i)
+      if exercise_user && exercise_user.commit_status == 1
-        answer.update!(score: question.question_score)
+        user_choice_position = answer.exercise_choice&.choice_position
-        if exercise_user && exercise_user.commit_status == 1
+        if user_choice_position && (user_choice_position.to_i == question.exercise_standard_answers.take&.exercise_choice_id.to_i)
+          answer.update!(score: question.question_score)
           score = exercise_user.score + question.question_score
           objective_score = exercise_user.objective_score + question.question_score
           exercise_user.update!(score: score, objective_score: objective_score)