how to get posted object in django rest framework from a request

Question

I am almost new to django and rest framework. I want to get data on a request from client side and save a model's object. In my view.py file I have a class that extends from APIView(for example named CreateUser(APIView). From the client side, I want to post a JSON file and get it in this view and save it in my models. How can I handle it?

My Student class is:

from django.contrib.auth.models import User from django.db import models class Student(models.Model): user = models.ForeignKey(User) grade = models.IntegerField()

I have created a serializer for my Student class.

from rest_framework import serializers from users.models import Student class StudentSerializer(serializers.ModelSerializer): class Meta: model = Student fields = ('username', 'password', 'grade') def create(self, validated_data): user = validated_data.get('user') grade = validated_data.get('grade') student = Student.objects.create(self, user=user, grade=grade) return student

I want to get a JSON object with username password and grade and save it in my models.

neverwalkaloner · Accepted Answer · 2018-05-15 19:01:16Z

You need to implement APIView's post() method. To pass posted data to serializer instance use request.data:

class CreateUser(APIView): def post(self, request, format=None): serializer = StudentSerializer(data=request.data) if serializer.is_valid(): serializer.save() return Response(serializer.data, status=status.HTTP_201_CREATED) return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)

To set user password use set_password() inside serializer's create. Also it's a good idea to make password field write_only:

class StudentSerializer(serializers.ModelSerializer): password = serializers.CharField(write_only=True) class Meta: model = Student fields = ('username', 'password', 'grade') def create(self, validated_data): user = validated_data.get('user') grade = validated_data.get('grade') student = Student.objects.create(user=user, grade=grade) student.set_password(validated_data.get('password') return student

Note Student.objects.create dont take self as first argument.

thank you very much for your response. I have implemented drf docs in my project but when I go to docs. I cannot see my createuser endpoint. url(r'^signup/', CreateUser.as_view, name='create_user'),, I wrote this in my urls.py. do you know why I cannot see that?
@salehsereshki Do you set permission_classes for the view? Probbaly user with whom you are logged in dont have permissions to this view, and so you cannot see it in docs.

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