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Generic views ​

Takrorlanadigan kodlarni oldini olish va dasturchi natijaga oson erishishi uchun generic viewlardan foydalaniladi.

APIView orqali ma'lumotlar ro'yxatini olish kodini yozadigan bo'lsak

python
from rest_framework.response import Response
from rest_framework.views import APIView

from my_app.models import Product
from my_app.serializers import ProductListSerializer

class ProductListView(APIView):
    def get(self, request):
        queryset = Product.objects.all()
        serializer = ProductListSerializer(queryset, many=True)
        return Response(serializer.data)

E'tibor bersangiz agar boshqa modelning ma'lumotlari ro'yxatini olish kodini yozadigan bo'lsak, queryset va serializer klassini o'zgartirish yetarli. Qolgan kodlar esa takrorlanadi. Shuni oldini olish uchun DRFda ListAPIView klassi bor.

Ma'lumotlar ro'yxatini ListAPIView orqali olish

python
from rest_framework.generics import ListAPIView
from my_app.serializers import ProductListSerializer

class ProductListView(ListAPIView):
    queryset = Product.objects.all()
    serializer_class = ProductListSerializer

Faqatgina queryset va serializer_class qiymatlarini berish orqali Product modelining ma'lumotlarini olish mumkin.

Xuddi shunday endi ma'lumot qo'shish uchun CreateAPIViewdan foydalaniladi.

python
from rest_framework.generics import CreateAPIView
from my_app.serializers import ProductCreateSerializer

class ProductCreateView(CreateAPIView):
    serializer_class = ProductCreateSerializer

CreateAPIView uchun esa faqat serializer_class qiymatini berish yetarli.

Generic viewlar va ularning to'liq ro'yxati bilan bu yerda tanishib chiqishingiz mumkin.