Files
hossein-por-shop/backend/product/views.py
T
Parsa Nazer 59fa06c599 category list filter created at field of products
in_stuck filter created at filter has discount filter
2025-01-14 22:02:58 +03:30

204 lines
8.2 KiB
Python

from django.core.paginator import Paginator
from rest_framework.views import APIView
from .models import *
from .serializers import *
from rest_framework import status
from rest_framework.response import Response
from django.db.models import Q
from django.shortcuts import get_object_or_404
from rest_framework.permissions import IsAuthenticatedOrReadOnly
from utils.pagination import StructurePagination
from drf_spectacular.utils import extend_schema, OpenApiParameter
from drf_spectacular.types import OpenApiTypes
from rest_framework.permissions import AllowAny
# class CustomAPIView(APIView):
# def __init__(self, *args, **kwargs):
# super().__init__(*args, **kwargs)
# print('here')
# print(self.permission_classes)
# if not getattr(self, 'permission_classes')[0] != AllowAny or not self.permission_classes:
# print('asdf')
# self.authentication_classes = []
class AllCategories(APIView):
serializer_class = CategorySerializer
authentication_classes = []
def get(self, request):
categories = CategoryModel.objects.all()
categories_ser = self.serializer_class(instance=categories, many=True)
return Response({"categories": categories_ser.data}, status=status.HTTP_200_OK)
class ProductView(APIView):
serializer_class = ProductSerializer
permission_classes = [AllowAny]
authentication_classes = []
def get(self, request, pk):
product = get_object_or_404(ProductModel, id=pk)
product_ser = self.serializer_class(instance=product, many=False)
return Response(product_ser.data, status=status.HTTP_200_OK)
from rest_framework.response import Response
from rest_framework.views import APIView
from rest_framework import status
from drf_spectacular.utils import extend_schema, OpenApiParameter, OpenApiTypes
from django.db.models import Q
class AllProductsView(APIView):
serializer_class = ProductSerializer
pagination_class = StructurePagination
authentication_classes = [] # Add authentication if required
@extend_schema(
parameters=[
OpenApiParameter(
name="search",
description="Search by product name or description.",
required=False,
type=OpenApiTypes.STR,
),
OpenApiParameter(
name="category",
type={'type': 'array', 'items': {'type': 'number'}},
location=OpenApiParameter.QUERY,
required=False,
style='form',
explode=False,
),
OpenApiParameter(
name="price_gte",
description="Filter products with price greater than or equal to this value.",
required=False,
type=OpenApiTypes.FLOAT,
),
OpenApiParameter(
name="price_lte",
description="Filter products with price less than or equal to this value.",
required=False,
type=OpenApiTypes.FLOAT,
),
OpenApiParameter(
name="sort",
description=(
"Sort results by one of the following fields:\n"
"`name`, `-name`, `price`, `-price`, `discount`, `-discount`, `created_at`, `-created_at`."
"\nPrefix with `-` for descending order."
),
required=False,
type=OpenApiTypes.STR,
),
OpenApiParameter(
name="limit",
description="Number of results to return per page (pagination).",
required=False,
type=OpenApiTypes.INT,
),
OpenApiParameter(
name="offset",
description="The starting position of the results (pagination).",
required=False,
type=OpenApiTypes.INT,
),
OpenApiParameter(
name="in_stock",
description="Filter products that are in stock (positive stock).",
required=False,
type=OpenApiTypes.BOOL,
),
OpenApiParameter(
name="has_discount",
description="Filter products that have a discount.",
required=False,
type=OpenApiTypes.BOOL,
)
],
description=(
"Retrieve products with optional filters and sorting. "
"Provide a list of category IDs to filter products by those categories and their subcategories."
),
responses={
200: ProductSerializer(many=True),
404: OpenApiTypes.OBJECT,
},
)
def get(self, request):
try:
# Get list of category IDs from query parameters
category_ids = request.query_params.getlist('category', [])
if category_ids:
# Convert category IDs to integers and filter products by these categories
category_ids = [int(id) for id in category_ids]
products = ProductModel.objects.filter(category__id__in=category_ids)
else:
products = ProductModel.objects.all()
# Filter by stock status if `in_stock` is specified
in_stock = request.query_params.get('in_stock', "false") == 'true'
if in_stock:
products = products.filter(in_stock__gt=0)
# Filter by discount if `has_discount` is specified
has_discount = request.query_params.get('has_discount', "false") == 'true'
if has_discount:
products = products.filter(discount__gt=0)
# Search filter
search_query = request.query_params.get('search', None)
if search_query:
products = products.filter(Q(name__icontains=search_query) | Q(description__icontains=search_query))
# Price filters
price_gte = request.query_params.get('price_gte', None)
price_lte = request.query_params.get('price_lte', None)
if price_gte:
products = products.filter(price__gte=price_gte)
if price_lte:
products = products.filter(price__lte=price_lte)
# Sorting
sort_by = request.query_params.get('sort', None)
if sort_by in ['name', '-name', 'price', '-price', 'discount', '-discount', 'created_at', '-created_at']:
products = products.order_by(sort_by)
else:
products = products.order_by('name')
# Pagination
paginator = self.pagination_class()
paginated_products = paginator.paginate_queryset(products, request)
serializer = self.serializer_class(paginated_products, many=True)
return paginator.get_paginated_response(serializer.data)
except CategoryModel.DoesNotExist:
return Response({"detail": "Category not found."}, status=status.HTTP_404_NOT_FOUND)
class CommentView(APIView):
serializer_class = CommentSerializer
permission_classes = [IsAuthenticatedOrReadOnly]
def get(self, request, pk):
product = get_object_or_404(ProductModel, id=pk)
comments = product.comments.filter(show=True)
comments_ser = self.serializer_class(instance=comments, many=True)
return Response({'comments': comments_ser.data}, status=status.HTTP_200_OK)
def post(self, request, pk):
comment_ser = CommentSerializer(data=request.data)
product = get_object_or_404(ProductModel, id=pk)
if comment_ser.is_valid():
comment_ser.save(product=product, user=request.user)
return Response(comment_ser.data, status=status.HTTP_201_CREATED)
return Response(comment_ser.errors, status=status.HTTP_400_BAD_REQUEST)
def delete(self, request, pk):
comment = get_object_or_404(CommentModel, pk=pk)
if comment.user == request.user:
comment.delete()
return Response(status=status.HTTP_204_NO_CONTENT)
else:
return Response({"detail": "شما اجازه ی پاک کردن این کامنت را ندارید"}, status=status.HTTP_403_FORBIDDEN)