Files
shoppy/web/views/components.py
T
2026-07-23 11:37:37 +02:00

198 lines
6.5 KiB
Python

from decimal import Decimal
from django.db import models
from django.db.models import Prefetch
from django.http import HttpResponse
from django.shortcuts import get_object_or_404, render
from django.urls import reverse
from django.utils.text import gettext_lazy as _
from django.views.generic import TemplateView
from config.mixins import HTMXFormComponent
from shop.filters import ProductFilter
from shop.models import (
CartItem, CustomerAddress, Product, ProductPrice,
ShippingMethod, WishlistedProduct,
)
from users.forms.change_password import ChangePasswordForm
from users.forms.info import UserInfoForm
from web.forms import CustomerAddressForm
from web.mixins import FilteredQuerysetMixin, PaginatedQuerysetMixin
from web.settings import ANONYMOUS_CART_ID_COOKIE_NAME
from web.utils import get_or_create_cart
class ListProducts(TemplateView, FilteredQuerysetMixin, PaginatedQuerysetMixin):
template_name = 'web/list_products.html'
queryset = Product.objects.filter(hidden=False).prefetch_related(
'images', Prefetch('prices', queryset=ProductPrice.objects.filter(current=True), to_attr='current_prices')
)
filter_class = ProductFilter
def get_context_data(self, **kwargs):
qs = self.get_queryset()
page = self.get_paginated_queryset(qs)
return {
'current_page': page.number,
'num_pages': page.paginator.num_pages,
'page': page,
'has_next_page': page.has_next(),
'has_previous_page': page.has_previous(),
}
class ListWishlistedProducts(TemplateView, FilteredQuerysetMixin, PaginatedQuerysetMixin):
template_name = 'web/list_products.html'
queryset = Product.objects.filter(hidden=False).prefetch_related('images')
filter_class = ProductFilter
def get_queryset(self):
product_ids = WishlistedProduct.objects.filter(user=self.request.user).values_list('product', flat=True)
return super().get_queryset().filter(pk__in=product_ids).distinct()
def get_context_data(self, **kwargs):
qs = self.get_queryset()
page = self.get_paginated_queryset(qs)
return {
'current_page': page.number,
'num_pages': page.paginator.num_pages,
'page': page,
'has_next_page': page.has_next(),
'has_previous_page': page.has_previous(),
}
def cart_dropdown(request, *args, **kwargs):
cart, created = get_or_create_cart(request)
response = render(request, 'components/cart/cart_navbar.html', context={'cart': cart})
if not request.user.is_authenticated:
response.set_cookie(ANONYMOUS_CART_ID_COOKIE_NAME, cart.uuid, samesite='strict')
return response
def cart(request, *args, **kwargs):
cart, created = get_or_create_cart(request)
items = CartItem.objects.filter(cart=cart)
base_total = Decimal('0.00')
tax_total = Decimal('0.00')
for item in items:
price = item.price
base_total += price.price * item.quantity
tax_total += round(price.price * Decimal(price.tax.value / 100) * item.quantity, 2)
total = base_total + tax_total
if request.user.is_authenticated:
billing_address = CustomerAddress.objects.filter(
user=request.user, address_type=CustomerAddress.Types.BILLING, default=True
).first()
shipping_address = CustomerAddress.objects.filter(
user=request.user, address_type=CustomerAddress.Types.SHIPPING
).first()
else:
billing_address = None
shipping_address = None
shipping_methods = ShippingMethod.objects.all()
response = render(
request,
'components/cart/cart.html',
context={
'cart': cart,
'items': items,
'total': total,
'base_total': base_total,
'tax_total': tax_total,
'billing_address': billing_address,
'shipping_address': shipping_address,
'shipping_methods': shipping_methods,
},
)
if not request.user.is_authenticated:
response.set_cookie(ANONYMOUS_CART_ID_COOKIE_NAME, cart.uuid, samesite='strict')
return response
class WishlistButton(TemplateView):
template_name = 'components/products/wishlist_button.html'
def get_context_data(self, **kwargs):
product = get_object_or_404(Product, pk=self.kwargs.get('pk'))
is_wishlisted = WishlistedProduct.objects.filter(user=self.request.user, product=product).exists()
return {'is_wishlisted': is_wishlisted, 'product': product}
class UserInfoFormComponentView(HTMXFormComponent):
form_class = UserInfoForm
hx_trigger = 'updated_user_info'
save_button_text = _('Actualizar datos')
def get_object(self) -> models.Model:
return self.request.user
def get_view_name(self):
return reverse('web:user_info_component')
def get_initial_values(self, instance):
return {
'email': instance.email,
'first_name': instance.first_name,
'last_name': instance.last_name
}
class ChangePasswordFormComponentView(HTMXFormComponent):
form_class = ChangePasswordForm
hx_trigger = 'changed_password'
save_button_text = _('Cambiar contraseña')
def get_form(self, initial=True):
if initial:
return self.form_class(user=self.request.user)
return self.form_class(self.request.user, self.request.POST)
def get_object(self) -> models.Model:
return self.request.user
def get_view_name(self):
return reverse('web:change_password_component')
class ListCustomerAddressComponent(TemplateView):
template_name = 'components/users/retrieve_update_address.html'
def get_context_data(self, **kwargs):
return {
'customer_addresses': CustomerAddress.objects.filter(user=self.request.user)
}
def update_customer_address(request, pk):
customer_address = get_object_or_404(CustomerAddress, pk=pk, user=request.user)
form = CustomerAddressForm(request.POST, instance=customer_address)
if not form.is_valid():
return HttpResponse(form.errors, status=400)
form.save()
return HttpResponse(status=200, headers={'HX-Trigger': 'updated_addresses'})
list_products = ListProducts.as_view()
list_wishlisted_products = ListWishlistedProducts.as_view()
wishlist_button = WishlistButton.as_view()
user_info_component = UserInfoFormComponentView.as_view()
change_password_component = ChangePasswordFormComponentView.as_view()
list_customer_addresses_component = ListCustomerAddressComponent.as_view()