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Implement discount prediction (very WIP!)

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This commit is contained in:
Mira Weller
2024-06-08 02:26:06 +02:00
parent 97925e2d77
commit 8791280d0b
5 changed files with 103 additions and 45 deletions
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31
src/pretix/presale/checkoutflow.py
View File

@@ -490,14 +490,21 @@ class AddOnsStep(CartMixin, AsyncAction, TemplateFlowStep):
if not hasattr(request, '_checkoutflow_addons_applicable'):
cart = get_cart(request)
self.request = request
request._checkoutflow_addons_applicable = (cart.filter(item__addons__isnull=False).exists()
or any(self.cross_selling_applicable_rules))
request._checkoutflow_addons_applicable =('/addons/' in request.path_info or cart.filter(item__addons__isnull=False).exists()
or any(self.cross_selling_applicable_categories))
return request._checkoutflow_addons_applicable
@cached_property
def cross_selling_applicable_rules(self):
cart = self.get_cart(self.request)
return [c for c in self.request.event.categories.filter(cross_selling_mode__isnull=False) if c.cross_sell_visible(cart['positions'])]
def cross_selling_applicable_categories(self):
cart = get_cart(self.request)
return [
(c, products) for (c, products) in
(
(c, c.cross_sell_visible(cart, self.request.event, self.request.sales_channel.identifier))
for c in self.request.event.categories.filter(cross_selling_mode__isnull=False)
)
if len(products) > 0
]
def is_completed(self, request, warn=False):
if getattr(self, '_completed', None) is not None:
@@ -622,23 +629,23 @@ class AddOnsStep(CartMixin, AsyncAction, TemplateFlowStep):
if self.event.has_subevents:
return [
(DummyCategory(rule, subevent), self._items_from_rule(rule, subevent), f'subevent_{subevent.pk}_')
for rule in self.cross_selling_applicable_rules
(DummyCategory(category, subevent), self._items_for_cross_selling(subevent, items), f'subevent_{subevent.pk}_')
for (category, items) in self.cross_selling_applicable_categories
for subevent in set(pos.subevent for pos in ctx['cart']['positions'])
]
else:
return [
(rule, self._items_from_rule(rule, None))
for rule in self.cross_selling_applicable_rules
(category, self._items_for_cross_selling(None, items))
for (category, items) in self.cross_selling_applicable_categories
]
def _items_from_rule(self, rule, subevent):
def _items_for_cross_selling(self, subevent, items):
items, _btn = get_grouped_items(
self.request.event,
subevent=subevent,
voucher=None,
channel=self.request.sales_channel.identifier,
base_qs=rule.items.all(),
base_qs=items,
allow_addons=True,
allow_cross_sell=True,
memberships=(
@@ -752,7 +759,7 @@ class AddOnsStep(CartMixin, AsyncAction, TemplateFlowStep):
'price': price,
})
add_to_cart_items = _items_from_post_data(self.request)
add_to_cart_items = _items_from_post_data(self.request, warn_if_empty=False)
return self.do(self.request.event.id, addons, add_to_cart_items, get_or_create_cart_id(self.request),
invoice_address=self.invoice_address.pk, locale=get_language(),

4
src/pretix/presale/views/cart.py
View File

@@ -227,7 +227,7 @@ def _item_from_post_value(request, key, value, voucher=None, voucher_ignore_if_r
except ValueError:
raise CartError(_('Please enter numbers only.'))
def _items_from_post_data(request):
def _items_from_post_data(request, warn_if_empty=True):
"""
Parses the POST data and returns a list of dictionaries
"""
@@ -254,7 +254,7 @@ def _items_from_post_data(request):
if item:
items.append(item)
if len(items) == 0:
if len(items) == 0 and warn_if_empty:
messages.warning(request, _('You did not select any products.'))
return []
return items