41 lines
1.1 KiB
Python
41 lines
1.1 KiB
Python
from django.conf import settings
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from django.core.paginator import Paginator
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from shop.models import Cart
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from web.settings import ANONYMOUS_CART_ID_COOKIE_NAME
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class FilteredQuerysetMixin:
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queryset = None
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filter_class = None
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def get_filter_class(self):
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return self.filter_class
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def get_queryset(self):
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filter_cls = self.get_filter_class()
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filter_obj = filter_cls(self.request.GET)
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filter_obj.is_valid()
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qs = filter_obj.filter_queryset(self.queryset)
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return qs
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class PaginatedQuerysetMixin:
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objects_per_page = settings.ITEMS_PER_PAGE or 20
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def get_paginated_queryset(self, qs):
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paginator = Paginator(qs, self.objects_per_page)
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page = self.request.GET.get("page", 1)
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qs = paginator.get_page(page)
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return qs
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class CartMixin:
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def get_cart(self):
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if not self.request.user.is_authenticated:
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uid = self.request.COOKIES.get(ANONYMOUS_CART_ID_COOKIE_NAME)
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cart = Cart.objects.get(uuid=uid)
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else:
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cart = Cart.objects.filter(user=self.request.user).first()
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return cart
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