Nested Serializers Example

# models.py

from django.db import models

class Author(models.Model):
    name = models.CharField(max_length=100)

class Book(models.Model):
    title = models.CharField(max_length=200)
    author = models.ForeignKey(Author, on_delete=models.CASCADE, related_name="books")
      

# serializers.py

from rest_framework import serializers
from .models import Author, Book

class BookSerializer(serializers.ModelSerializer):
    class Meta:
        model = Book
        fields = ["id", "title"]

class AuthorSerializer(serializers.ModelSerializer):
    books = BookSerializer(many=True, read_only=True)

    class Meta:
        model = Author
        fields = ["id", "name", "books"]