pretix-servicefees/pretix_servicefees/signals.py
2018-03-03 21:26:24 +01:00

70 lines
2.6 KiB
Python

from decimal import Decimal
from django.urls import resolve, reverse
from django.dispatch import receiver
from django.http import HttpRequest
from django.utils.translation import ugettext_lazy as _, ugettext, get_language
from pretix.base.models import Event, Order, TaxRule
from pretix.base.models.orders import OrderFee
from pretix.base.signals import order_fee_calculation
from pretix.base.templatetags.money import money_filter
from pretix.control.signals import nav_event_settings
from pretix.presale.signals import fee_calculation_for_cart, front_page_top
@receiver(nav_event_settings, dispatch_uid='service_fee_nav_settings')
def navbar_settings(sender, request, **kwargs):
url = resolve(request.path_info)
return [{
'label': _('Service Fee'),
'url': reverse('plugins:pretix_servicefees:settings', kwargs={
'event': request.event.slug,
'organizer': request.organizer.slug,
}),
'active': url.namespace == 'plugins:pretix_servicefees' and url.url_name.startswith('settings'),
}]
def get_fees(event, total, invoice_address):
fee = event.settings.get('service_fee_abs', as_type=Decimal)
if fee and total != Decimal('0.00'):
tax_rule = event.settings.tax_rate_default or TaxRule.zero()
if tax_rule.tax_applicable(invoice_address):
tax = tax_rule.tax(fee)
return [OrderFee(
fee_type=OrderFee.FEE_TYPE_SERVICE,
internal_type='',
value=fee,
tax_rate=tax.rate,
tax_value=tax.tax,
tax_rule=tax_rule
)]
else:
return [OrderFee(
fee_type=OrderFee.FEE_TYPE_SERVICE,
internal_type='',
value=fee,
tax_rate=Decimal('0.00'),
tax_value=Decimal('0.00'),
tax_rule=tax_rule
)]
return []
@receiver(fee_calculation_for_cart, dispatch_uid="service_fee_calc_cart")
def cart_fee(sender: Event, request: HttpRequest, invoice_address, total, **kwargs):
return get_fees(sender, total, invoice_address)
@receiver(order_fee_calculation, dispatch_uid="service_fee_calc_order")
def order_fee(sender: Event, invoice_address, total, **kwargs):
return get_fees(sender, total, invoice_address)
@receiver(front_page_top, dispatch_uid="service_fee_front_page_top")
def front_page_top_recv(sender: Event, **kwargs):
fee = sender.settings.get('service_fee_abs', as_type=Decimal)
if fee:
return '<p>%s</p>' % ugettext('A service fee of {} will be added on top of each order.').format(
money_filter(fee, sender.currency)
)