how to add methods to manuplate the model in serializers

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Mattia
02 Aug 2017
1from rest_framework import serializers, status
2from models import *
3
4
5class UserSerializer(serializers.ModelSerializer):
6    class Meta:
7        model = User
8        fields = ('username', 'first_name', 'last_name', 'email')
9
10
11class StudentSerializer(serializers.ModelSerializer):
12    """
13    A student serializer to return the student details
14    """
15    user = UserSerializer(required=True)
16
17    class Meta:
18        model = UnivStudent
19        fields = ('user', 'subject_major',)
20
21    def create(self, validated_data):
22        """
23        Overriding the default create method of the Model serializer.
24        :param validated_data: data containing all the details of student
25        :return: returns a successfully created student record
26        """
27        user_data = validated_data.pop('user')
28        user = UserSerializer.create(UserSerializer(), validated_data=user_data)
29        student, created = UnivStudent.objects.update_or_create(user=user,
30                            subject_major=validated_data.pop('subject_major'))
31        return student
source
Modesty
07 Jan 2017
1from django.db import models
2from django.contrib.auth.models import User
3
4class UnivStudent(models.Model):
5    """
6    A class based model for storing the records of a university student
7    Note: A OneToOne relation is established for each student with User model.
8    """
9    user = models.OneToOneField(User)
10    subject_major = models.CharField(name="subject_major", max_length=60)
source
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