Initial phrase

core/__init__.py

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+from __future__ import absolute_import, unicode_literals
+from .celery import app as celery_app
+
+__all__ = ('celery_app',)

core/asgi.py

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+"""
+ASGI config for core project.
+
+It exposes the ASGI callable as a module-level variable named ``application``.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/3.2/howto/deployment/asgi/
+"""
+
+import os
+
+from django.core.asgi import get_asgi_application
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'core.settings')
+
+application = get_asgi_application()

core/celery.py

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+from __future__ import absolute_import
+import os
+from celery import Celery
+from django.conf import settings
+from pytz import timezone
+
+
+BASE_REDIS_URL = os.environ.get('REDIS_URL', 'redis://localhost:6379')
+
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE','core.settings')
+app = Celery('core')
+app.conf.enable_utc = False
+app.conf.update(timezone='Asia/Dhaka')
+
+app.config_from_object('django.conf:settings', namespace='CELERY')
+app.autodiscover_tasks(lambda: settings.INSTALLED_APPS)
+app.conf.broker_url = BASE_REDIS_URL
+
+
+
+@app.task(bind=True)
+def debug_task(self):
+    print(f'Request: {self.request!r}')

core/settings.py

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+from pathlib import Path
+from datetime import timedelta
+from django.conf import settings
+
+
+BASE_DIR = Path(__file__).resolve().parent.parent
+
+
+# Quick-start development settings - unsuitable for production
+# See https://docs.djangoproject.com/en/3.2/howto/deployment/checklist/
+
+# SECURITY WARNING: keep the secret key used in production secret!
+SECRET_KEY = 'django-insecure-r(b2&bp!i+l6mh0m-i3w)xxf#^0=yem80*#hk6w9ukbvw0jiqj'
+
+# SECURITY WARNING: don't run with debug turned on in production!
+DEBUG = True
+
+ALLOWED_HOSTS = []
+
+
+# Application definition
+
+INSTALLED_APPS = [
+    'django.contrib.admin',
+    'django.contrib.auth',
+    'django.contrib.contenttypes',
+    'django.contrib.sessions',
+    'django.contrib.messages',
+    'django.contrib.staticfiles',
+    'user.apps.UserConfig',
+    'rest_framework.authtoken',
+    'rest_framework',
+    'drf_yasg',
+    'rest_framework_swagger',
+    'rest_framework_simplejwt',
+    'rest_framework_simplejwt.token_blacklist',
+]
+
+MIDDLEWARE = [
+    'django.middleware.security.SecurityMiddleware',
+    'django.contrib.sessions.middleware.SessionMiddleware',
+    'django.middleware.common.CommonMiddleware',
+    'django.middleware.csrf.CsrfViewMiddleware',
+    'django.contrib.auth.middleware.AuthenticationMiddleware',
+    'django.contrib.messages.middleware.MessageMiddleware',
+    'django.middleware.clickjacking.XFrameOptionsMiddleware',
+]
+
+ROOT_URLCONF = 'core.urls'
+AUTH_USER_MODEL = "user.UserAccount"
+
+TEMPLATES = [
+    {
+        'BACKEND': 'django.template.backends.django.DjangoTemplates',
+        'DIRS': [BASE_DIR / 'templates'],
+        'APP_DIRS': True,
+        'OPTIONS': {
+            'context_processors': [
+                'django.template.context_processors.debug',
+                'django.template.context_processors.request',
+                'django.contrib.auth.context_processors.auth',
+                'django.contrib.messages.context_processors.messages',
+            ],
+        },
+    },
+]
+
+WSGI_APPLICATION = 'core.wsgi.application'
+
+
+# Database
+# https://docs.djangoproject.com/en/3.2/ref/settings/#databases
+
+DATABASES = {
+    'default': {
+        'ENGINE': 'django.db.backends.sqlite3',
+        'NAME': BASE_DIR / 'db.sqlite3',
+    }
+}
+
+
+# Password validation
+# https://docs.djangoproject.com/en/3.2/ref/settings/#auth-password-validators
+
+AUTH_PASSWORD_VALIDATORS = [
+    {
+        'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
+    },
+]
+
+
+# Internationalization
+# https://docs.djangoproject.com/en/3.2/topics/i18n/
+
+LANGUAGE_CODE = 'en-us'
+USE_I18N = True
+USE_L10N = True
+USE_TZ = True
+TIME_ZONE = 'Asia/Dhaka'
+
+
+
+STATIC_ROOT = BASE_DIR / 'static'
+MEDIA_ROOT =  BASE_DIR / 'images'
+
+STATIC_URL = '/static/'
+MEDIA_URL = '/media/'
+
+# Default primary key field type
+# https://docs.djangoproject.com/en/3.2/ref/settings/#default-auto-field
+
+DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'
+
+
+
+
+REST_FRAMEWORK = {
+    'DEFAULT_PARSER_CLASSES': [
+        'rest_framework.parsers.JSONParser',
+    ],
+
+    'DEFAULT_AUTHENTICATION_CLASSES': (
+        'rest_framework_simplejwt.authentication.JWTAuthentication',
+    ),
+
+    'DEFAULT_PERMISSION_CLASSES': (
+        'rest_framework.permissions.IsAuthenticatedOrReadOnly',),
+
+    'DEFAULT_PAGINATION_CLASS': 'rest_framework.pagination.PageNumberPagination',
+
+    'PAGE_SIZE': 10,
+
+    'DEFAULT_THROTTLE_CLASSES': (
+        'rest_framework.throttling.AnonRateThrottle',
+        'rest_framework.throttling.UserRateThrottle',
+    ),
+
+    'DEFAULT_RENDERER_CLASSES': (
+        'rest_framework.renderers.JSONRenderer',
+        'rest_framework.renderers.BrowsableAPIRenderer',
+    ),
+    'DEFAULT_SCHEMA_CLASS': 'rest_framework.schemas.coreapi.AutoSchema'
+
+    # 'DEFAULT_THROTTLE_RATES': {
+    #     'anon': '1/minute',
+    #     'user': '20/minute',
+    # },
+}
+
+
+SIMPLE_JWT = {
+    'ACCESS_TOKEN_LIFETIME': timedelta(minutes=5),
+    'REFRESH_TOKEN_LIFETIME': timedelta(days=1),
+    'ROTATE_REFRESH_TOKENS': False,
+    'BLACKLIST_AFTER_ROTATION': False,
+    'UPDATE_LAST_LOGIN': False,
+
+    'ALGORITHM': 'HS256',
+    'SIGNING_KEY': settings.SECRET_KEY,
+    'VERIFYING_KEY': None,
+    'AUDIENCE': None,
+    'ISSUER': None,
+    'JWK_URL': None,
+    'LEEWAY': 0,
+
+    'AUTH_HEADER_TYPES': ('Bearer', "JWT"),
+    'AUTH_HEADER_NAME': 'HTTP_AUTHORIZATION',
+    'USER_ID_FIELD': 'id',
+    'USER_ID_CLAIM': 'user_id',
+    'USER_AUTHENTICATION_RULE': 'rest_framework_simplejwt.authentication.default_user_authentication_rule',
+
+    'AUTH_TOKEN_CLASSES': ('rest_framework_simplejwt.tokens.AccessToken',),
+    'TOKEN_TYPE_CLAIM': 'token_type',
+
+    'JTI_CLAIM': 'jti',
+
+    'SLIDING_TOKEN_REFRESH_EXP_CLAIM': 'refresh_exp',
+    'SLIDING_TOKEN_LIFETIME': timedelta(minutes=5),
+    'SLIDING_TOKEN_REFRESH_LIFETIME': timedelta(days=1),
+}
+
+
+SWAGGER_SETTINGS = {
+    'SECURITY_DEFINITIONS': {
+        'basic': {
+            'type': 'basic'
+        }
+    },
+}
+
+REDOC_SETTINGS = {
+    'LAZY_RENDERING': False,
+}
+
+
+
+
+REDIS_HOST = "127.0.0.1"
+REDIS_PORT = 6379
+BROKER_URL = 'redis://localhost:6379'
+CELERY_RESULT_BACKEND = 'redis://localhost:6379'
+CELERY_ACCEPT_CONTENT = ['application/json']
+CELERY_TASK_SERIALIZER = 'json'
+CELERY_RESULT_SERIALIZER = 'json'
+CELERY_TIMEZONE = 'Asia/Dhaka'

core/tasks.py

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+from celery import shared_task
+
+from celery.utils.log import get_task_logger
+from time import sleep
+
+logger = get_task_logger(__name__)
+
+@shared_task(name='my_first_task')
+def my_first_task(duration):
+    sleep(duration)
+    return('first_task_done')

core/urls.py

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+"""core URL Configuration
+
+The `urlpatterns` list routes URLs to views. For more information please see:
+    https://docs.djangoproject.com/en/3.2/topics/http/urls/
+Examples:
+Function views
+    1. Add an import:  from my_app import views
+    2. Add a URL to urlpatterns:  path('', views.home, name='home')
+Class-based views
+    1. Add an import:  from other_app.views import Home
+    2. Add a URL to urlpatterns:  path('', Home.as_view(), name='home')
+Including another URLconf
+    1. Import the include() function: from django.urls import include, path
+    2. Add a URL to urlpatterns:  path('blog/', include('blog.urls'))
+"""
+from django.contrib import admin
+from django.urls import path, include
+
+urlpatterns = [
+    path('admin/', admin.site.urls),
+    path('', include('user.urls')),
+]

core/wsgi.py

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+"""
+WSGI config for core project.
+
+It exposes the WSGI callable as a module-level variable named ``application``.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/3.2/howto/deployment/wsgi/
+"""
+
+import os
+
+from django.core.wsgi import get_wsgi_application
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'core.settings')
+
+application = get_wsgi_application()

manage.py

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+#!/usr/bin/env python
+"""Django's command-line utility for administrative tasks."""
+import os
+import sys
+
+
+def main():
+    """Run administrative tasks."""
+    os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'core.settings')
+    try:
+        from django.core.management import execute_from_command_line
+    except ImportError as exc:
+        raise ImportError(
+            "Couldn't import Django. Are you sure it's installed and "
+            "available on your PYTHONPATH environment variable? Did you "
+            "forget to activate a virtual environment?"
+        ) from exc
+    execute_from_command_line(sys.argv)
+
+
+if __name__ == '__main__':
+    main()

user/admin.py

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+from django.contrib import admin
+from .models import UserAccount as User
+
+
+admin.site.register(User)

user/apiView.py

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+from rest_framework import permissions, status
+from rest_framework.response import Response
+from rest_framework.views import APIView
+from rest_framework_simplejwt.tokens import RefreshToken
+from .serializers import LoginSerializer, RegisterUserSerializer
+
+
+class RegisterUser(APIView):
+    permission_classes = [permissions.AllowAny]
+    serializer_class = RegisterUserSerializer
+    def post(self,request,format="json"):
+        serializer = self.serializer_class(data=request.data)
+
+        if serializer.is_valid():
+            try:
+                newUser = serializer.save()
+                if newUser:
+                    response = serializer.data
+                    return Response(response, status=status.HTTP_201_CREATED)
+
+            except Exception as e:
+                return Response(status=status.HTTP_400_BAD_REQUEST)
+
+        return Response(serializer.errors or None, status=status.HTTP_400_BAD_REQUEST)
+
+
+class LoginAPIView(APIView):
+    serializer_class = LoginSerializer
+    permission_classes = [permissions.AllowAny]
+
+    def post(self, request):
+        serializer = self.serializer_class(data=request.data)
+        serializer.is_valid(raise_exception=True)
+        return Response(serializer.data, status=status.HTTP_200_OK)
+
+
+class BlacklistTokenAdding(APIView):
+    permission_classes = [permissions.AllowAny]
+
+    def post(self, request, format='json'):
+        try:
+            refresh_token = request.data["refresh_token"]
+            token = RefreshToken(refresh_token)
+            token.blacklist()
+            return Response(status=status.HTTP_200_OK)
+        except Exception as e:
+            return Response(status=status.HTTP_400_BAD_REQUEST)