from rest_framework import serializers
from .models import
EvaluationTest,Question,Choice,GradeEvaluationText,Category
from users.models import User
class StringSerializer(serializers.StringRelatedField):
def to_internal_value(self,value):
return value
class QuestionSerializer(serializers.ModelSerializer):
choices = StringSerializer(many=True)
class Meta:
model = Question
fields = ('id','choices','question','order')
class CategorySerializer(serializers.ModelSerializer):
class Meta:
model = Category
fields='__all__'
class EvaluationTestSerializer(serializers.ModelSerializer):
questions = serializers.SerializerMethodField()
admin = StringSerializer(many=False)
category = StringSerializer(many=False)
class Meta:
model = EvaluationTest
fields='__all__'
def get_questions(self,obj):
questions = QuestionSerializer(obj.questions.all(), many=True).data
return questions
def create(self,request):
data = request.data
print(data)
evaluationtest = EvaluationTest()
admin= User.objects.get(username=data['admin'])
cat=Category.objects.get(id=data['category'])
print(cat)
evaluationtest.category=cat
evaluationtest.admin = admin
evaluationtest.title = data['title']
evaluationtest.type = data['type']
evaluationtest.save()
order = 1
for q in data['questions']:
newQ = Question()
newQ.question=q['title']
newQ.order = order
newQ.save()
for c in q['choices']:
newC = Choice()
newC.title = c
newC.save()
newQ.choices.add(newC)
newQ.answer = Choice.objects.get(title=q['answer'])
newQ.evaluationtest = evaluationtest
newQ.save()
order += 1
return evaluationtest
# def update(self,instance,validated_data):
# # data = request.data
# # print(data)
# # evaluationtest = EvaluationTest()
# # admin= User.objects.get('username')
# # cat=Category.objects.get('id')
# # print(cat)
# # instance.category=cat
# instance.category = validated_data.get('id',instance.category)
# instance.title = validated_data.get('title',instance.title)
# instance.type = validated_data.get('type',instance.type)
# instance.save()
# instance = EvaluationTest()
# # keep_questions=[]
# # existing_id=[q.id for q in instance.questions]
# order = 1
# for q in instance['questions']:
# newQ = Question()
# newQ.question=q['title']
# newQ.order = order
# newQ.save()
# for c in q['choices']:
# newC = Choice()
# newC.title = c
# newC.save()
# newQ.choices.add(newC)
# newQ.answer = Choice.objects.get(title=q['answer'])
# newQ.instance = instance
# newQ.save()
# order += 1
# return instance
# def update(self,instance,validated_data):
# questions = validated_data.pop('questions')
# admin = validated_data.pop('admin')
# category = validated_data.poop('category')
# instance.title = validated_data.get('title',instance.title)
# instance.type = validated_data.get('type',instance.type)
# instance.save()
# keep_question = []
# existing_id = [q.id for q in instance.questions]
# for question in questions:
# if "id" in question.keys():
# if Question.objects.filter(id=question["id"]).exists():
# q = Question.objects.get(id=questions["id"])
# q.title = question.get('title',q.title)
# q.order = question.get('order',q.order)
# q.save()
# keep_question.append(q.id)
# else:
# continue
# else:
# q = Question.objects.create(**question,evaluationtest=evaluationtest)
# keep_question.append(q.id)
class GradeEvaluationTextSerializer(serializers.ModelSerializer):
candidate = StringSerializer(many=False)
class Meta:
model = GradeEvaluationText
fields=('__all__')
def create(self,request):
data = request.data
print(data)
evaluationtest = EvaluationTest.objects.get(id=data['testId'])
candidate = User.objects.get(username=data['username'])
graded_test = GradeEvaluationText()
graded_test.evaluationtest = evaluationtest
graded_test.candidate = candidate
questions = [q for q in evaluationtest.questions.all()]
answers = [data['answers'][a] for a in data['answers']]
answered_correct_count = 0
for i in range(len(questions)):
if questions[i].answer.title == answers[i]:
answered_correct_count +=1
i +=1
grades = answered_correct_count/len(questions)*100
graded_test.grades = grades
graded_test.save()
return graded_test
SERIALIZER.py
On Thursday, March 28, 2019 at 12:25:32 PM UTC+1, zohaib younis wrote:
>
> class EvaluationTestSerializer(serializers.ModelSerializer):
> questions = serializers.SerializerMethodField()
> admin = StringSerializer(many=False)
> category = StringSerializer(many=False)
> class Meta:
> model = EvaluationTest
> fields='__all__'
>
> def get_questions(self,obj):
> questions = QuestionSerializer(obj.questions.all(), many=True).data
> return questions
>
> def create(self,request):
> data = request.data
> print(data)
> evaluationtest = EvaluationTest()
> admin= User.objects.get(username=data['admin'])
> cat=Category.objects.get(id=data['category'])
> print(cat)
> evaluationtest.category=cat
> evaluationtest.admin = admin
> evaluationtest.title = data['title']
> evaluationtest.type = data['type']
> evaluationtest.save()
> order = 1
> for q in data['questions']:
> newQ = Question()
> newQ.question=q['title']
> newQ.order = order
> newQ.save()
>
> for c in q['choices']:
> newC = Choice()
> newC.title = c
> newC.save()
> newQ.choices.add(newC)
> newQ.answer = Choice.objects.get(title=q['answer'])
> newQ.evaluationtest = evaluationtest
> newQ.save()
> order += 1
> return evaluationtest
>
> # def update(self,instance,validated_data):
> # # data = request.data
> # # print(data)
> # # evaluationtest = EvaluationTest()
> # # admin= User.objects.get('username')
> # # cat=Category.objects.get('id')
> # # print(cat)
> # # instance.category=cat
> # instance.category = validated_data.get('id',instance.category)
> # instance.title = validated_data.get('title',instance.title)
> # instance.type = validated_data.get('type',instance.type)
> # instance.save()
>
> # instance = EvaluationTest()
> # # keep_questions=[]
> # # existing_id=[q.id for q in instance.questions]
> # order = 1
> # for q in instance['questions']:
> # newQ = Question()
> # newQ.question=q['title']
> # newQ.order = order
> # newQ.save()
>
> # for c in q['choices']:
> # newC = Choice()
> # newC.title = c
> # newC.save()
> # newQ.choices.add(newC)
> # newQ.answer = Choice.objects.get(title=q['answer'])
> # newQ.instance = instance
> # newQ.save()
> # order += 1
> # return instance
>
>
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