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Django CRUD Application with MongoDB database using Django Rest Framework and Djongo
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‎Django/Django-MongoDB-Djongo-CRUD-Example/customers/__init__.py

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‎Django/Django-MongoDB-Djongo-CRUD-Example/customers/admin.py

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from django.contrib import admin
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# Register your models here.
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from customers.models import Customer
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# Register your models here.
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admin.site.register(Customer)

‎Django/Django-MongoDB-Djongo-CRUD-Example/customers/apps.py

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from django.apps import AppConfig
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class CustomersConfig(AppConfig):
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name = 'customers'

‎Django/Django-MongoDB-Djongo-CRUD-Example/customers/models.py

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from djongo import models
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class Customer(models.Model):
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firstname = models.CharField(max_length=70, blank=False, default='')
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lastname = models.CharField(max_length=70, blank=False, default='')
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age = models.IntegerField(blank=False, default=1)
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address = models.CharField(max_length=70, blank=False, default='')
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copyrightby = models.CharField(max_length=70, blank=False, default='')

‎Django/Django-MongoDB-Djongo-CRUD-Example/customers/serializers.py

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from rest_framework import serializers
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from customers.models import Customer
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class CustomerSerializer(serializers.ModelSerializer):
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class Meta:
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model = Customer
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fields = ('id',
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'firstname',
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'lastname',
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'age',
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'address',
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'copyrightby')

‎Django/Django-MongoDB-Djongo-CRUD-Example/customers/tests.py

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from django.test import TestCase
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# Create your tests here.

‎Django/Django-MongoDB-Djongo-CRUD-Example/customers/urls.py

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from django.conf.urls import url
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from customers import views
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urlpatterns = [
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url(r'^customers/$', views.customer_list),
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url(r'^customers/(?P<pk>[0-9]+)$', views.customer_detail),
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url(r'^customers/age/(?P<age>[0-9]+)/$', views.customer_list_age),
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]

‎Django/Django-MongoDB-Djongo-CRUD-Example/customers/views.py

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from django.shortcuts import render
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from django.http import HttpResponse
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from django.http.response import JsonResponse
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from django.views.decorators.csrf import csrf_exempt
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from rest_framework.parsers import JSONParser
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from rest_framework import status
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from customers.models import Customer
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from customers.serializers import CustomerSerializer
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from rest_framework.decorators import api_view
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@csrf_exempt
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@api_view(['GET', 'POST', 'DELETE'])
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def customer_list(request):
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if request.method == 'GET':
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try:
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customers = Customer.objects.all()
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customers_serializer = CustomerSerializer(customers, many=True)
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response = {
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'message': "Get all Customers'Infos Successfully",
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'customers': customers_serializer.data,
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'error': ""
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}
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return JsonResponse(response, status=status.HTTP_200_OK);
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except:
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error = {
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'message': "Fail! -> can NOT get all the customers List. Please check again!",
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'customers': "[]",
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'error': "Error"
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}
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return JsonResponse(error, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
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elif request.method == 'POST':
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try:
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customer_data = JSONParser().parse(request)
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customer_serializer = CustomerSerializer(data=customer_data)
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if customer_serializer.is_valid():
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customer_serializer.save()
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print(customer_serializer.data)
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response = {
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'message': "Successfully Upload a Customer with id = %d" % customer_serializer.data.get('id'),
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'customers': [customer_serializer.data],
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'error': ""
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}
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return JsonResponse(response, status=status.HTTP_201_CREATED)
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else:
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error = {
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'message':"Can Not upload successfully!",
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'customers':"[]",
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'error': customer_serializer.errors
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}
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return JsonResponse(error, status=status.HTTP_400_BAD_REQUEST)
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except:
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exceptionError = {
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'message': "Can Not upload successfully!",
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'customers': "[]",
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'error': "Having an exception!"
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}
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return JsonResponse(exceptionError, status=status.HTTP_500_INTERNAL_SERVER_ERROR);
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elif request.method == 'DELETE':
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try:
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Customer.objects.all().delete()
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return HttpResponse(status=status.HTTP_204_NO_CONTENT)
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except:
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exceptionError = {
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'message': "Can Not Deleted successfully!",
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'customers': "[]",
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'error': "Having an exception!"
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}
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return JsonResponse(exceptionError, status=status.HTTP_500_INTERNAL_SERVER_ERROR);
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@csrf_exempt
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@api_view(['GET', 'PUT', 'DELETE'])
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def customer_detail(request, pk):
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try:
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customer = Customer.objects.get(pk=pk)
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except Customer.DoesNotExist:
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exceptionError = {
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'message': "Not found a Customer with id = %s!" % pk,
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'customers': "[]",
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'error': "404 Code - Not Found!"
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}
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return JsonResponse(exceptionError, status=status.HTTP_404_NOT_FOUND)
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if request.method == 'GET':
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customer_serializer = CustomerSerializer(customer)
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response = {
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'message': "Successfully get a Customer with id = %s" % pk,
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'customers': [customer_serializer.data],
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'error': ""
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}
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return JsonResponse(response, status=status.HTTP_200_OK);
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elif request.method == 'PUT':
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try:
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customer_data = JSONParser().parse(request)
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customer_serializer = CustomerSerializer(customer, data=customer_data)
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if customer_serializer.is_valid():
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customer_serializer.save()
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response = {
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'message': "Successfully Update a Customer with id = %s" % pk,
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'customers': [customer_serializer.data],
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'error': ""
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}
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return JsonResponse(response)
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response = {
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'message': "Fail to Update a Customer with id = %s" % pk,
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'customers': [customer_serializer.data],
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'error': customer_serializer.errors
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}
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return JsonResponse(response, status=status.HTTP_400_BAD_REQUEST)
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except:
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exceptionError = {
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'message': "Fail to update a Customer with id = %s!" % pk,
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'customers': [customer_serializer.data],
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'error': "Internal Error!"
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}
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return JsonResponse(exceptionError, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
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elif request.method == 'DELETE':
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print("Deleting a Customer with id=%s"%pk)
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customer.delete()
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customer_serializer = CustomerSerializer(customer)
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response = {
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'message': "Successfully Delete a Customer with id = %s" % pk,
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'customers': [customer_serializer.data],
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'error': ""
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}
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return JsonResponse(response)
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@csrf_exempt
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@api_view(['GET'])
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def customer_list_age(request, age):
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try:
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customers = Customer.objects.filter(age=age)
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if request.method == 'GET':
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customers_serializer = CustomerSerializer(customers, many=True)
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response = {
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'message': "Successfully filter all Customers with age = %s" % age,
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'customers': customers_serializer.data,
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'error': ""
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}
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return JsonResponse(response, safe=False)
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# In order to serialize objects, we must set 'safe=False'
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except:
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exceptionError = {
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'message': "Fail to get a Customer with age = %s" % age ,
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'customers': "[]",
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'error': "Raise an Exception!"
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}
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return JsonResponse(exceptionError, status=status.HTTP_500_INTERNAL_SERVER_ERROR);

‎Django/Django-MongoDB-Djongo-CRUD-Example/djangoLoiZenAiRestAPIs/__init__.py

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‎Django/Django-MongoDB-Djongo-CRUD-Example/djangoLoiZenAiRestAPIs/asgi.py

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"""
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ASGI config for djangoLoiZenAiRestAPIs project.
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It exposes the ASGI callable as a module-level variable named ``application``.
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For more information on this file, see
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https://docs.djangoproject.com/en/3.0/howto/deployment/asgi/
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"""
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import os
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from django.core.asgi import get_asgi_application
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os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'djangoLoiZenAiRestAPIs.settings')
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application = get_asgi_application()

‎Django/Django-MongoDB-Djongo-CRUD-Example/djangoLoiZenAiRestAPIs/settings.py

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"""
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Django settings for djangoLoiZenAiRestAPIs project.
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Generated by 'django-admin startproject' using Django 3.0.8.
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For more information on this file, see
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https://docs.djangoproject.com/en/3.0/topics/settings/
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For the full list of settings and their values, see
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https://docs.djangoproject.com/en/3.0/ref/settings/
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"""
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import os
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# Build paths inside the project like this: os.path.join(BASE_DIR, ...)
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BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
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# Quick-start development settings - unsuitable for production
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# See https://docs.djangoproject.com/en/3.0/howto/deployment/checklist/
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# SECURITY WARNING: keep the secret key used in production secret!
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SECRET_KEY = 'g_9v1%(32!hn21)#4hnxwfm*hr6e$+=e*3cs&)q12j()_b*k$l'
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# SECURITY WARNING: don't run with debug turned on in production!
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DEBUG = True
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ALLOWED_HOSTS = []
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# Application definition
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INSTALLED_APPS = [
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'django.contrib.admin',
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'django.contrib.auth',
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'django.contrib.contenttypes',
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'django.contrib.sessions',
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'django.contrib.messages',
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'django.contrib.staticfiles',
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# Django REST framework
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'rest_framework',
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# Customers application
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'customers.apps.CustomersConfig',
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# CORS
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'corsheaders',
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]
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MIDDLEWARE = [
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'django.middleware.security.SecurityMiddleware',
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'django.contrib.sessions.middleware.SessionMiddleware',
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'django.middleware.common.CommonMiddleware',
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'django.middleware.csrf.CsrfViewMiddleware',
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'django.contrib.auth.middleware.AuthenticationMiddleware',
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'django.contrib.messages.middleware.MessageMiddleware',
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'django.middleware.clickjacking.XFrameOptionsMiddleware',
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# CORS
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'corsheaders.middleware.CorsMiddleware',
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'django.middleware.common.CommonMiddleware',
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]
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CORS_ORIGIN_ALLOW_ALL = False
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CORS_ORIGIN_WHITELIST = (
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'http://localhost:4200',
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)
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ROOT_URLCONF = 'djangoLoiZenAiRestAPIs.urls'
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TEMPLATES = [
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{
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'BACKEND': 'django.template.backends.django.DjangoTemplates',
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'DIRS': [],
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'APP_DIRS': True,
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'OPTIONS': {
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'context_processors': [
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'django.template.context_processors.debug',
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'django.template.context_processors.request',
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'django.contrib.auth.context_processors.auth',
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'django.contrib.messages.context_processors.messages',
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],
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},
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},
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]
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WSGI_APPLICATION = 'djangoLoiZenAiRestAPIs.wsgi.application'
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# Password validation
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# https://docs.djangoproject.com/en/3.0/ref/settings/#auth-password-validators
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AUTH_PASSWORD_VALIDATORS = [
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{
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'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
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},
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{
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'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
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},
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{
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'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
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},
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{
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'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
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},
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]
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# Internationalization
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# https://docs.djangoproject.com/en/3.0/topics/i18n/
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LANGUAGE_CODE = 'en-us'
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TIME_ZONE = 'UTC'
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USE_I18N = True
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USE_L10N = True
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USE_TZ = True
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# Static files (CSS, JavaScript, Images)
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# https://docs.djangoproject.com/en/3.0/howto/static-files/
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STATIC_URL = '/static/'
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DATABASES = {
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'default': {
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'ENGINE': 'djongo',
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"CLIENT": {
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"name": 'loizenaidb',
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"host": 'mongodb+srv://loizenai:loizenai@cluster0.gmd7e.mongodb.net/loizenaidb?retryWrites=true&w=majority',
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"username": 'loizenai',
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"password": 'loizenai',
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"authMechanism": "SCRAM-SHA-1"
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}
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}
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}

‎Django/Django-MongoDB-Djongo-CRUD-Example/djangoLoiZenAiRestAPIs/urls.py

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"""djangoLoiZenAiRestAPIs URL Configuration
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The `urlpatterns` list routes URLs to views. For more information please see:
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https://docs.djangoproject.com/en/3.0/topics/http/urls/
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Examples:
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Function views
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1. Add an import: from my_app import views
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2. Add a URL to urlpatterns: path('', views.home, name='home')
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Class-based views
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1. Add an import: from other_app.views import Home
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2. Add a URL to urlpatterns: path('', Home.as_view(), name='home')
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Including another URLconf
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1. Import the include() function: from django.urls import include, path
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2. Add a URL to urlpatterns: path('blog/', include('blog.urls'))
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"""
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from django.contrib import admin
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from django.urls import path
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from django.conf.urls import url, include
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urlpatterns = [
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url(r'^', include('customers.urls')),
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path('admin/', admin.site.urls),
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]

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