example app.py

# models.py
from django.db import models
from django.contrib.auth.models import User

class Post(models.Model):
    title = models.CharField(max_length=200)
    content = models.TextField()
    author = models.ForeignKey(User, on_delete=models.CASCADE)
    created_at = models.DateTimeField(auto_now_add=True)

    def __str__(self):
        return self.title

# views.py
from django.shortcuts import render, redirect
from django.contrib.auth import authenticate, login, logout
from django.contrib.auth.decorators import login_required
from django.views import View
from .models import Post
from django.contrib.auth.models import User

class UserViewSet(View):
    def get(self, request):
        users = User.objects.all()
        return render(request, 'user_list.html', {'users': users})

    def post(self, request):
        # Logic to create a new user
        username = request.POST.get('username')
        password = request.POST.get('password')
        User.objects.create_user(username=username, password=password)
        return redirect('user_list')

class PostViewSet(View):
    def get(self, request):
        posts = Post.objects.all()
        return render(request, 'post_list.html', {'posts': posts})

    def post(self, request):
        # Logic to create a new post
        title = request.POST.get('title')
        content = request.POST.get('content')
        Post.objects.create(title=title, content=content, author=request.user)
        return redirect('post_list')

class LoginView(View):
    def get(self, request):
        return render(request, 'login.html')

    def post(self, request):
        username = request.POST.get('username')
        password = request.POST.get('password')
        user = authenticate(request, username=username, password=password)
        if user is not None:
            login(request, user)
            return redirect('home')
        return render(request, 'login.html', {'error': 'Invalid credentials'})

class LogoutView(View):
    def post(self, request):
        logout(request)
        return redirect('login')

# urls.py
from django.urls import path
from . import views

urlpatterns = [
    path('users/', views.UserViewSet.as_view(), name='user_list'),
    path('posts/', views.PostViewSet.as_view(), name='post_list'),
    path('login/', views.LoginView.as_view(), name='login'),
    path('logout/', views.LogoutView.as_view(), name='logout'),
]

INSTALLED_APPS = [
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
]

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',
]