###########################models.py########################

from djongo import models

class Nest(models.Model):
    name = models.CharField(max_length=150, blank=True, null=True)
    icon = models.CharField(max_length=150, blank=True, null=True)

    class Meta:
        abstract = True

class Root(models.Model):
    #_id = models.ObjectIdField()
    country = models.CharField(max_length=200, blank=True, null=True)
    country_code = models.CharField(max_length=5, blank=True, null=True)
    nested = models.EmbeddedField(
        model_container=Nest, null=True)
		
###########################serializers.py#####################
from rest_framework import serializers
from .models import Root

class RootSerializer(serializers.ModelSerializer):

    class Meta:
        model = Root
        fields = '__all__'
		
###########################views.py###########################
from django.shortcuts import render

from django.http.response import JsonResponse
from rest_framework.parsers import JSONParser
from rest_framework import status

from .models Root
from .serializers import RootSerializer
from rest_framework.decorators import api_view

@api_view(['GET', 'POST', 'DELETE'])
def root(request):
    if request.method == 'GET':
        first_root = Root.objects.first()
        root_serializer = RootSerializer(first_root, many=False)
        return JsonResponse(root_serializer.data, safe=False)
    elif request.method == 'POST':
        root_data = JSONParser().parse(request)
        root_serializer = RootSerializer(data=root_data)
        if root_serializer.is_valid():
            root_serializer.save()
            return JsonResponse(root_serializer.data, status=status.HTTP_201_CREATED)
        return JsonResponse(root_serializer.errors, status=status.HTTP_400_BAD_REQUEST)

###########################urls.py###########################
from django.conf.urls import url
from rootApp import views

urlpatterns = [
    url(r'^api/root$', views.root),
]

###########################settings.py#######################
DATABASES = {
    'default': {
        'ENGINE': 'djongo',
        'NAME': 'root_db',
        'HOST': '127.0.0.1',
        'PORT': 27017,
    }
}