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INSTALLED_APPS = [
    'main',
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
]

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from django.db import models

# Create your models here.

class Book(models.Model):
    title = models.CharField(max_length=150)
    author = models.CharField(max_length=100)

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from django.contrib import admin
from .models import Book
# Register your models here.

admin.site.register(Book)

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INSTALLED_APPS = [
    'main',
    ...
    'rest_framework'
]

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from rest_framework import serializers

from main.models import Book


class BookModelSerializer(serializers.ModelSerializer):
    class Meta:
        model = Book
        fields = '__all__'
        

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from rest_framework import viewsets

from .serializer import BookModelSerializer
from main.models import Book


class BookViewSet(viewsets.ModelViewSet):
    queryset = Book.objects.all()
    serializer_class = BookModelSerializer

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"""Books URL Configuration

The `urlpatterns` list routes URLs to views. For more information please see:
    https://docs.djangoproject.com/en/3.0/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

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from django.urls import include, path
from rest_framework import routers
from .views import BookViewSet


router = routers.DefaultRouter()
router.register(r'books', BookViewSet)

urlpatterns = [
    path('', include(router.urls)),

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import requests

def create_book(title, author):
    headers={
        'title':title,
        'author':author
    }
    response = requests.post('http://127.0.0.1:8000/books/', headers)
    print(f"New book {title} by {author} has been created,\n\n")

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DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.postgresql_psycopg2', 
        'NAME': 'sample', # DATABASE NAME
        'USER': 'postgres', # NAME OF USER (DEFAULT IS postgres)
        'PASSWORD': 'xyz', # whatever password you have kept.
        'HOST': '127.0.0.1', # HOST in which the psql server is running on
        'PORT': '5432', # PORT in which the psql server is running on
    }
}