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85 lines
2.4 KiB
85 lines
2.4 KiB
from rest_framework import serializers
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from apps.course.access import user_has_course_access
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from apps.quiz.models import Question, Quiz, QuizParticipant
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class QuizListSerializer(serializers.ModelSerializer):
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is_complated = serializers.SerializerMethodField()
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permission = serializers.SerializerMethodField()
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class Meta:
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model = Quiz
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fields = ['id', 'title', 'description', 'permission', 'each_question_timing', 'is_complated']
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def get_permission(self, obj):
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request = self.context.get('request')
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if not request or not request.user.is_authenticated:
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return False
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user = request.user
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course_lesson = obj.lesson
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if not course_lesson:
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return False
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course = course_lesson.course
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if not user_has_course_access(user, course):
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return False
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participated = QuizParticipant.objects.filter(user=user, quiz=obj).exists()
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return not participated
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def get_is_complated(self, obj):
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request = self.context.get('request')
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if not request or not request.user.is_authenticated:
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return False
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user = request.user
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return QuizParticipant.objects.filter(user=user, quiz=obj).exists()
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class QuestionSerializer(serializers.ModelSerializer):
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options = serializers.SerializerMethodField()
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def get_options(self, obj) -> list:
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return [
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{
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'id': i,
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'title': getattr(obj, f"option{i}")
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} for i in range(1, 5)
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]
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class Meta:
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model = Question
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fields = ['id', 'question', 'options', 'correct_answer']
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class QuizSerializer(serializers.ModelSerializer):
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lesson = serializers.PrimaryKeyRelatedField(read_only=True)
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questions = QuestionSerializer(many=True)
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permission = serializers.SerializerMethodField()
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class Meta:
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model = Quiz
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fields = ['id', 'permission', 'lesson', 'title', 'description', 'each_question_timing', 'questions']
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def get_permission(self, obj):
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request = self.context.get('request')
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if not request or not request.user.is_authenticated:
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return False
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user = request.user
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course_lesson = obj.lesson
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if not course_lesson:
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return False
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course = course_lesson.course
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return user_has_course_access(user, course)
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