스파르타 마켓을 만들어봐용

products 만들었어용
views 부분 구현~

from django.shortcuts import render
from django.http import JsonResponse,HttpResponse
from django.core import serializers
from rest_framework.decorators import api_view
from rest_framework.response import Response
from rest_framework import status
from django.shortcuts import get_object_or_404
from .models import Product
from .serializers import ProductSerializer


@api_view(["GET","POST"]) # products 목록 조회
def products_list(request):
    if request.method == 'GET':
        products = Product.objects.all()
        serializer = ProductSerializer(products, many=True)
        return Response(serializer.data)
    
    elif request.method == 'POST':
        serializer = ProductSerializer(data=request.data)
        if serializer.is_valid(raise_exception=True): 
            # 예외 발생을 true 값으로 둠 -> 유효성 검사 통과하지 못하면 (serializer.errors,status=400) 내부적으로 실행
            serializer.save() # 유효성 검사 통과하면 products 생성 
            return Response(serializer.data, status=status.HTTP_201_CREATED) # 201=created

        
@api_view(["GET", "PUT", "DELETE"]) # products 상세 조회, 수정, 삭제
def products_detail(request, pk):
    if request.method == 'GET':
        products = get_object_or_404(Product, pk=pk)
        serializer = ProductSerializer(products)
        return Response(serializer.data)
    
    elif request.method == 'PUT':
        products = get_object_or_404(Product, pk=pk)
        serializer = ProductSerializer(products, data=request.data, partial=True) 
        # partial=True : 부분 수정 가능
        if serializer.is_valid(raise_exception=True): # 유효성 검사 통과 못하면 error 
            serializer.save()
            return Response(serializer.data) # 수정된 데이터 리턴

    elif request.method == 'DELETE':
        products = get_object_or_404(Product, pk=pk) # 지울 products 조회
        products.delete()
        return Response(status=status.HTTP_204_NO_CONTENT)