class Webアプリケーション
開発 :

# models.py - データベースモデル
from django.db import models
from django.contrib.auth.models import User

class BlogPost(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)
    published = models.BooleanField(default=False)

# views.py - ビジネスロジック
from rest_framework.decorators import api_view
from rest_framework.response import Response
from .models import BlogPost
from .serializers import BlogPostSerializer

@api_view(['GET', 'POST'])
def blog_posts_api(request):
    if request.method == 'GET':
        posts = BlogPost.objects.filter(published=True)
        serializer = BlogPostSerializer(posts, many=True)
        return Response(serializer.data)
    
    elif request.method == 'POST':
        serializer = BlogPostSerializer(data=request.data)
        if serializer.is_valid():
            serializer.save(author=request.user)
            return Response(serializer.data)
        return Response(serializer.errors)
                        

実践プロジェクト構成