def read(request, parent_slug, slug):
"""Просмотр списка товаров отдельной категории"""
parent = get_object_or_404(Category, slug=parent_slug, parent__isnull=True)
parents_ids = list(parent.direct_children().values_list('id', flat=True))
try:
# Категория третьего уровня
category = Category.objects.get(slug=slug, parent__in=parents_ids, is_visible=True)
other_categories = Category.objects.filter(parent__in=parents_ids, is_visible=True).exclude(id=category.id)
except Category.DoesNotExist:
# Категория второго уровня
category = get_object_or_404(Category, slug=slug, parent=parent, is_visible=True)
other_categories = Category.objects.filter(parent=parent, is_visible=True, is_standalone=True).exclude(id=category.id)
if not other_categories.exists():
other_categories = Category.objects.filter(parent__in=parents_ids, is_visible=True).exclude(id=category.id)
if category.is_complementary and not category.is_standalone and not category.products.exists():
request.breadcrumbs.add(parent.title, parent.get_absolute_url())
context = {
'category': category,
'children': category.direct_children(),
}
return render(request, 'products/categories/parent.html', context)
other_categories = other_categories.order_by('?')[:5]
show_all = request.GET.get('show') == 'all'
order = request.GET.get('order')
if not order in ('price', 'title', 'created'):
order = 'created'
if order == 'created':
order = '-created'
try:
price_from = int(request.GET.get('price_from'))
except (TypeError, ValueError):
price_from = None
try:
price_to = int(request.GET.get('price_to'))
except (TypeError, ValueError):
price_to = None
if order == 'price':
if request.user.is_anonymous():
order_field = ORDER_MAPPING[User.STATUS_CUSTOMER]
else:
order_field = ORDER_MAPPING[request.user.status]
else:
order_field = order
queryset = Product.objects.for_user(request.user).filter(categories=category)
kwargs = {}
if price_from:
kwargs['price__gte'] = price_from
if price_to:
kwargs['price__lte'] = price_to
products = queryset.filter(**kwargs).order_by(order_field).only(*Product.LIST_ITEM_REQUIRED_FIELDS)
if show_all:
products_cnt = products.count()
paginator = Paginator(products, products_cnt)
else:
paginator = Paginator(products, 20)
try:
page = int(request.GET.get('page'))
except (TypeError, ValueError):
page = 1
try:
objects = paginator.page(page)
except (PageNotAnInteger, EmptyPage):
objects = paginator.page(1)
context = {
'category_parent': parent,
'category': category,
'objects': objects,
'other_categories': other_categories,
'prices': list(prices_filter(queryset, price_from, price_to)),
# GET params
'order': order.lstrip('-'),
'price_from': price_from,
'price_to': price_to,
'show_all': show_all,
'page': page,
}
request.breadcrumbs.add(parent.title, parent.get_absolute_url())
return render(request, 'products/categories/read.html', context)
def new(request):
"""Список новых товаров вперемешку"""
show_all = request.GET.get('show') == 'all'
order = request.GET.get('order')
if not order in ('price', 'title', 'created'):
order = 'created'
if order == 'created':
order = '-created'
try:
price_from = int(request.GET.get('price_from'))
except (TypeError, ValueError):
price_from = None
try:
price_to = int(request.GET.get('price_to'))
except (TypeError, ValueError):
price_to = None
if order == 'price':
if request.user.is_anonymous():
order_field = ORDER_MAPPING[User.STATUS_CUSTOMER]
else:
order_field = ORDER_MAPPING[request.user.status]
else:
order_field = order
queryset = Product.objects.for_user(request.user).filter(is_new=True)
kwargs = {}
if price_from:
kwargs['price__gte'] = price_from
if price_to:
kwargs['price__lte'] = price_to
products = queryset.filter(**kwargs).order_by(order_field).only(*Product.LIST_ITEM_REQUIRED_FIELDS)
if show_all:
products_cnt = products.count()
paginator = Paginator(products, products_cnt)
else:
paginator = Paginator(products, 20)
try:
page = int(request.GET.get('page'))
except (TypeError, ValueError):
page = 1
try:
objects = paginator.page(page)
except (PageNotAnInteger, EmptyPage):
objects = paginator.page(1)
context = {
'category_parent': parent,
'objects': objects,
'prices': list(prices_filter(queryset, price_from, price_to)),
# GET params
'order': order.lstrip('-'),
'price_from': price_from,
'price_to': price_to,
'show_all': show_all,
'page': page,
}
return render(request, 'products/categories/new.html', context)
