serializers.py
from django.core.exceptions import ObjectDoesNotExist
from rest_framework import serializers
from .models import FieldUser, BaseApplicant, Applicant, CoApplicant, Guarantor
class VerificationMobileSerializer(serializers.Serializer):
mobile_number = serializers.CharField(max_length=15)
class FieldUserSerializer(serializers.ModelSerializer):
class Meta:
model = FieldUser
fields = ['id', 'username', 'first_name', 'last_name', 'email', 'mobile_number',
'profile_photo', 'address', 'pin_code', 'city', 'state']
profile_photo = serializers.ImageField(
required=False)
def update(self, instance, validated_data):
validated_data.pop('profile_photo', None)
instance.username = validated_data.get('username', instance.username)
instance.first_name = validated_data.get(
'first_name', instance.first_name)
instance.last_name = validated_data.get(
'last_name', instance.last_name)
instance.email = validated_data.get('email', instance.email)
instance.mobile_number = validated_data.get(
'mobile_number', instance.mobile_number)
instance.address = validated_data.get('address', instance.address)
instance.pin_code = validated_data.get('pin_code', instance.pin_code)
instance.city = validated_data.get('city', instance.city)
instance.state = validated_data.get('state', instance.state)
instance.save()
return instance
class ApplicantSerializer(serializers.ModelSerializer):
class Meta:
model = Applicant
fields = '__all__'
class CoApplicantSerializer(serializers.ModelSerializer):
class Meta:
model = CoApplicant
fields = '__all__'
class GuarantorSerializer(serializers.ModelSerializer):
class Meta:
model = Guarantor
fields = '__all__'
class ApplicantSubmissionSerializer(serializers.Serializer):
applicant = ApplicantSerializer()
coApplicants = CoApplicantSerializer(many=True)
granters = GuarantorSerializer(many=True)
def to_internal_value(self, data):
# Extract applicant data
applicant_data = data.pop('applicant')
# Extract applicant ID
applicant_id = None
if 'id' in applicant_data:
applicant_id = applicant_data['id']
# Prepare co-applicants data with the applicant field populated with ID
co_applicants_data = []
for co_applicant_data in data.get('coApplicants', []):
co_applicant_data['applicant'] = applicant_id
co_applicants_data.append(co_applicant_data)
# Prepare guarantors data with the applicant field populated with ID
granters_data = []
for granter_data in data.get('granters', []):
granter_data['applicant'] = applicant_id
granters_data.append(granter_data)
# Combine the modified data
modified_data = {
'applicant': applicant_data,
'coApplicants': co_applicants_data,
'granters': granters_data
}
return super().to_internal_value(modified_data)
def create(self, validated_data):
# Create the main applicant instance
applicant_instance = Applicant.objects.create(
**validated_data['applicant'])
# Create co-applicant instances linked to the main applicant
for co_applicant_data in validated_data.get('coApplicants', []):
CoApplicant.objects.create(
applicant=applicant_instance, **co_applicant_data)
# Create guarantor instances linked to the main applicant
for granter_data in validated_data.get('granters', []):
Guarantor.objects.create(
applicant=applicant_instance, **granter_data)
return applicant_instance
views.py
from rest_framework import status
from rest_framework.response import Response
from rest_framework.views import APIView
from .serializers import VerificationMobileSerializer, FieldUserSerializer, ApplicantSubmissionSerializer
from django.utils.decorators import method_decorator
from django.views.decorators.csrf import csrf_exempt
from django.shortcuts import get_object_or_404
from .models import FieldUser
from rest_framework import generics
@method_decorator(csrf_exempt, name='dispatch')
class VerifyMobileAPIView(APIView):
def post(self, request):
serializer = VerificationMobileSerializer(data=request.data)
if serializer.is_valid():
mobilenumber = serializer.validated_data['mobile_number']
queryset = FieldUser.objects.filter(mobile_number=mobilenumber)
if queryset.exists():
user_serializer = FieldUserSerializer(queryset, many=True)
return Response({
'detail': 'Verification successful. Login successful.',
'users': user_serializer.data
}, status=status.HTTP_200_OK)
return Response({'detail': 'Invalid mobile number'}, status=status.HTTP_400_BAD_REQUEST)
return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
class GetUserProfileAPIView(APIView):
def get(self, request, pk=None):
if pk is not None:
user = get_object_or_404(FieldUser, pk=pk)
serializer = FieldUserSerializer(user)
return Response(serializer.data)
else:
user = request.user
serializer = FieldUserSerializer(user)
return Response(serializer.data)
@method_decorator(csrf_exempt, name='dispatch')
class UserProfileUpdateAPIView(generics.UpdateAPIView):
queryset = FieldUser.objects.all()
serializer_class = FieldUserSerializer
@method_decorator(csrf_exempt, name='dispatch')
class ApplicantSubmissionView(APIView):
def post(self, request):
serializer = ApplicantSubmissionSerializer(data=request.data)
print('hello1')
if serializer.is_valid():
print('hello2')
# Save the validated data
serializer.save()
# Return a success response
return Response(serializer.data, status=status.HTTP_201_CREATED)
# If the data is not valid, return the errors
return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
urls.py
when i am try
http://127.0.0.1:8000/api/submit-applicant/
with below json
{
"applicant": {
"name": "John Doe",
"contact_no": "1234567890",
"aadhar_no": "1234 5678 9012",
"pan_no": "ABCDE1234F",
"present_address": "123 Main Street, City",
"permanent_address": "456 Elm Street, City",
"residence_status": "Owned",
"ownership_proof_type": "E-Bill/Water Tax",
"duration_to_stay": "5 years",
"landmark": "Near the park",
"area_of_house": "1500 sq. ft.",
"color_of_house": "Beige",
"no_of_persons_living_in_home": 4,
"no_of_earning_members": 2,
"neighbor_name": "Smith Family",
"met_person_at_home": "Yes",
"office_business_name": "ABC Enterprises",
"office_business_address": "789 Business Avenue, City",
"duration_of_service_business": "10 years",
"designation_of_applicant": "Manager",
"gstin_or_id_card": "GST1234567",
"nature_of_business": "Retail",
"staff_name_and_designation": "John Smith, Sales Executive",
"no_of_employees": 10,
"contact_no_of_business": 9812345678,
"landmark_of_business": "Near the mall",
"ownership_proof_type_of_business": "E-Bill/Water Tax"
},
"coApplicants": [
{
"name": "Jane Doe",
"contact_no": "9876543210",
"aadhar_no": "5678 9012 3456",
"pan_no": "FGHIJ5678K",
"present_address": "789 Oak Street, City",
"permanent_address": "901 Pine Street, City",
"residence_status": "Rented",
"ownership_proof_type": "E-Bill/Water Tax",
"duration_to_stay": "3 years",
"landmark": "Near the school",
"area_of_house": "1200 sq. ft.",
"color_of_house": "Blue",
"no_of_persons_living_in_home": 3,
"no_of_earning_members": 1,
"neighbor_name": "Johnson Family",
"met_person_at_home": "No"
}
],
"granters": [
{
"name": "James Smith",
"contact_no": "2345678901",
"aadhar_no": "9012 3456 7890",
"pan_no": "KLMNO6789P",
"present_address": "345 Maple Street, City",
"permanent_address": "567 Cedar Street, City",
"residence_status": "Owned",
"ownership_proof_type": "E-Bill/Water Tax",
"duration_to_stay": "7 years",
"landmark": "Near the hospital",
"area_of_house": "1800 sq. ft.",
"color_of_house": "White",
"no_of_persons_living_in_home": 5,
"no_of_earning_members": 2,
"neighbor_name": "Doe Family",
"met_person_at_home": "Yes"
}
]
}
getting the error
{
"coApplicants": [
{
"applicant": [
"This field may not be null."
]
}
]
}
and my applicant is not creating so id is null
soltion for the above error
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