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Merge branch 'master' of github.com:pretix/pretix

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This commit is contained in:
Raphael Michel
2015-03-08 14:00:36 +01:00
parent 230d1772cc a08b43ad45
commit c4e20bd7d1
19 changed files with 553 additions and 61 deletions
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24
src/pretix/base/migrations/0015_auto_20150308_0953.py Normal file
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@@ -0,0 +1,24 @@
# -*- coding: utf-8 -*-
from __future__ import unicode_literals
from django.db import models, migrations
class Migration(migrations.Migration):
dependencies = [
('pretixbase', '0014_auto_20150305_2310'),
]
operations = [
migrations.AddField(
model_name='order',
name='payment_provider',
field=models.CharField(blank=True, max_length=255, null=True, verbose_name='Payment provider'),
),
migrations.AlterField(
model_name='order',
name='datetime',
field=models.DateTimeField(verbose_name='Date'),
),
]

26
src/pretix/base/migrations/0016_auto_20150308_1017.py Normal file
View File

@@ -0,0 +1,26 @@
# -*- coding: utf-8 -*-
from __future__ import unicode_literals
from django.db import models, migrations
class Migration(migrations.Migration):
dependencies = [
('pretixbase', '0015_auto_20150308_0953'),
]
operations = [
migrations.AddField(
model_name='order',
name='code',
field=models.CharField(max_length=16, verbose_name='Order code', default=''),
preserve_default=False,
),
migrations.AddField(
model_name='order',
name='payment_fee',
field=models.DecimalField(max_digits=10, verbose_name='Payment method fee', decimal_places=2, default=0),
preserve_default=False,
),
]

44
src/pretix/base/models.py
View File

@@ -1,6 +1,7 @@
from itertools import product
import copy
import uuid
import random
import time
from django.db import models
@@ -1219,8 +1220,9 @@ class Order(Versionable):
expiration date: If items run out of capacity, orders which are over
their expiration date might be cancelled.
Important: An order holds its total monetary value, as an order is a
piece of 'history' and must not change due to a change in item prices.
An order -- like all objects -- has an ID, which is globally unique,
but also a code, which is shorter and easier to memorize, but only
unique among a single conference.
"""
STATUS_PENDING = "n"
@@ -1234,6 +1236,10 @@ class Order(Versionable):
(STATUS_CANCELLED, _("cancelled")),
)
code = models.CharField(
max_length=16,
verbose_name=_("Order code")
)
status = models.CharField(
max_length=3,
choices=STATUS_CHOICE,
@@ -1248,7 +1254,6 @@ class Order(Versionable):
verbose_name=_("User")
)
datetime = models.DateTimeField(
auto_now_add=True,
verbose_name=_("Date")
)
expires = models.DateTimeField(
@@ -1258,6 +1263,15 @@ class Order(Versionable):
verbose_name=_("Payment date"),
null=True, blank=True
)
payment_provider = models.CharField(
null=True, blank=True,
max_length=255,
verbose_name=_("Payment provider")
)
payment_fee = models.DecimalField(
decimal_places=2, max_digits=10,
verbose_name=_("Payment method fee")
)
payment_info = models.TextField(
verbose_name=_("Payment information"),
null=True, blank=True
@@ -1271,6 +1285,30 @@ class Order(Versionable):
verbose_name = _("Order")
verbose_name_plural = _("Orders")
def str(self):
return self.full_code
@property
def full_code(self):
"""
A order code which is unique among all events of a single organizer,
built by contatenating the event slug and the order code.
"""
return self.event.slug.upper() + self.code
def save(self, *args, **kwargs):
if not self.code:
self.assign_code()
super().save(*args, **kwargs)
def assign_code(self):
charset = list('ABCDEFGHKLMNPQRSTUVWXYZ23456789')
while True:
code = "".join([random.choice(charset) for i in range(5)])
if not Order.objects.filter(event=self.event, code=code).exists():
self.code = code
return
class QuestionAnswer(Versionable):
"""

92
src/pretix/base/payment.py
View File

@@ -1,5 +1,9 @@
from decimal import Decimal
from django.forms import Form
from django.template import Context
from django.template.loader import get_template
from pretix.base.settings import SettingsSandbox
@@ -50,6 +54,92 @@ class BasePaymentProvider:
def settings_form_fields(self) -> dict:
"""
A dictionary. The keys should be (unprefixed) EventSetting keys,
the values should be corresponding django form fields
the values should be corresponding django form fields.
We suggest returning a collections.OrderedDict object instead of a dict.
"""
raise NotImplementedError()
@property
def checkout_form_fields(self) -> dict:
"""
A dictionary. The keys should be unprefixed field names,
the values should be corresponding django form fields.
We suggest returning a collections.OrderedDict object instead of a dict.
"""
# TODO: Proper handling of required=True fields in HTML
return {}
def checkout_form(self, request) -> Form:
"""
Returns the Form object of the form that should be displayed when the
user selects this provider as his payment method.
"""
form = Form(
data=(request.POST if request.method == 'POST' else None),
prefix='payment_%s' % self.identifier,
initial={
k.replace('payment_%s_' % self.identifier, ''): v
for k, v in request.session.items()
if k.startswith('payment_%s_' % self.identifier)
}
)
form.fields = self.checkout_form_fields
return form
def checkout_form_render(self, request) -> str:
"""
Returns the HTML of the form that should be displayed when the user
selects this provider as his payment method.
"""
form = self.checkout_form(request)
template = get_template('pretixpresale/event/checkout_payment_form_default.html')
ctx = Context({'request': request, 'form': form})
return template.render(ctx)
def checkout_prepare(self, request, total) -> "bool|HttpResponse":
"""
Will be called if the user selects this provider as his payment method.
If the payment provider provides a form to the user to enter payment data,
this method should at least store the user's input into his session.
It should return True or False, depending of the validity of the user's input,
if the frontend should continue with default behaviour, or a redirect URL,
if you need special behaviour.
On errors, it should use Django's message framework to display an error message
to the user (or the normal form validation error messages).
:param total: The total price of the order, including the payment method fee.
"""
form = self.checkout_form(request)
if form.is_valid():
for k, v in form.cleaned_data.items():
request.session['payment_%s_%s' % (self.identifier, k)] = v
return True
else:
return False
def checkout_is_valid_session(self, request) -> bool:
"""
This is called at the time the user tries to place the order. It should return
True, if the user's session is valid and all data your payment provider requires
in future steps is present.
"""
raise NotImplementedError()
def checkout_perform(self, request, order) -> str:
"""
Will be called if the user submitted his order successfully to initiate the
payment process.
It should return a custom redirct URL, if you need special behaviour, or None to
continue with default behaviour.
On errors, it should use Django's message framework to display an error message
to the user (or the normal form validation error messages).
:param order: The order object
"""
return None

1
src/pretix/base/settings.py
View File

@@ -10,6 +10,7 @@ DEFAULTS = {
'max_items_per_order': '10',
'attendee_names_asked': 'True',
'attendee_names_required': 'False',
'reservation_time': '30',
}

2
src/pretix/control/templates/pretixcontrol/event/payment.html
View File

@@ -24,6 +24,8 @@
{% bootstrap_form provider.form layout='horizontal' %}
</div>
</div>
{% empty %}
<em>{% trans "There are no payment providers available. Please go to the plugin settings and activate one or more payment plugins." %}</em>
{% endfor %}
</fieldset>
<div class="form-group submit-group">

13
src/pretix/plugins/banktransfer/payment.py
View File

@@ -1,4 +1,6 @@
from collections import OrderedDict
from django.template import Context
from django.template.loader import get_template
from django.utils.translation import ugettext_lazy as _
from django import forms
@@ -16,3 +18,14 @@ class BankTransfer(BasePaymentProvider):
required=False
))
])
def checkout_form_render(self, request) -> str:
template = get_template('pretixplugins/banktransfer/checkout_payment_form.html')
ctx = Context({'request': request, 'event': self.event, 'settings': self.settings})
return template.render(ctx)
def checkout_prepare(self, request, total):
return True
def checkout_is_valid_session(self, request):
return True

10
src/pretix/plugins/banktransfer/templates/pretixplugins/banktransfer/checkout_payment_form.html Normal file
View File

@@ -0,0 +1,10 @@
{% load i18n %}
<p>{% blocktrans trimmed %}
After completing your purchase, we will ask you to transfer the money to the following
bank account, using a personal reference code.
{% endblocktrans %}</p>
<address>
{{ settings.bank_details|linebreaksbr }}
</address>

10
src/pretix/plugins/stripe/payment.py
View File

@@ -10,3 +10,13 @@ class Stripe(BasePaymentProvider):
verbose_name = _('Credit Card via Stripe')
settings_form_fields = OrderedDict([
])
checkout_form_fields = OrderedDict([
('cc_number',
forms.CharField(
label=_('Credit card number'),
required=False
))
])
def checkout_is_valid_session(self, request):
return False

3
src/pretix/presale/static/pretixpresale/less/event.less
View File

@@ -44,6 +44,9 @@
border-top: 1px solid @table-border-color;
}
}
.panel-primary .panel-heading a {
color: white;
}
.checkout-button-row {
padding: 15px 0;
}

66
src/pretix/presale/templates/pretixpresale/event/checkout_confirm.html Normal file
View File

@@ -0,0 +1,66 @@
{% extends "pretixpresale/event/base.html" %}
{% load i18n %}
{% load bootstrap3 %}
{% block title %}{% trans "Confirm order" %}{% endblock %}
{% block content %}
<h2>{% trans "Confirm order" %}</h2>
<p>{% trans "Please review the details below and confirm your order." %}</p>
<form method="post">
{% csrf_token %}
<div class="panel panel-primary cart">
<div class="panel-heading">
<div class="pull-right">
<a href="{% url "presale:event.index" organizer=request.event.organizer.slug event=request.event.slug %}">{% trans "Modify" %}</a>
</div>
<h3 class="panel-title">
{% trans "Your cart" %}
</h3>
</div>
<div class="panel-body">
{% include "pretixpresale/event/fragment_cart.html" with cart=cart event=request.event editable=False %}
<div class="row-fluid">
<div class="col-md-6 col-xs-12">
{% if cart.minutes_left > 0 %}
<em>{% blocktrans trimmed with minutes=cart.minutes_left %}
The items in your cart are reserved for you for {{ minutes }} minutes.
{% endblocktrans %}</em>
{% else %}
<em>{% trans "The items in your cart are no longer reserved for you." %}</em>
{% endif %}
</div>
<div class="clearfix"></div>
</div>
</div>
</div>
{# TODO: Question answers #}
<div class="row-fluid">
<div class="panel panel-primary">
<div class="panel-heading">
<div class="pull-right">
<a href="{% url "presale:event.checkout.payment" organizer=request.event.organizer.slug event=request.event.slug %}">{% trans "Modify" %}</a>
</div>
<h3 class="panel-title">
{% trans "Payment" %}
</h3>
</div>
<div class="panel-body">
{{ payment }}
</div>
</div>
</div>
<div class="row checkout-button-row">
<div class="col-md-4">
<a class="btn btn-block btn-default btn-lg"
href="{{ view.get_payment_url }}">
{% trans "Go back" %}
</a>
</div>
<div class="col-md-4 col-md-offset-4">
<button class="btn btn-block btn-primary btn-lg" type="submit">
{% trans "Place binding order" %}
</button>
</div>
<div class="clearfix"></div>
</div>
</form>
{% endblock %}

10
src/pretix/presale/templates/pretixpresale/event/checkout_payment.html
View File

@@ -16,14 +16,16 @@
<strong class="pull-right">+ {{ p.fee|floatformat:2 }} {{ event.currency }}</strong>
<input type="radio" name="payment" value="{{ p.provider.identifier }}"
data-parent="#payment_accordion"
required="True"
{% if selected == p.provider.identifier %}checked="checked"{% endif %}
data-toggle="radiocollapse" data-target="#payment_{{ p.provider.identifier }}" />
<strong>{{ p.provider.verbose_name }}</strong>
</label>
</h4>
</div>
<div id="payment_{{ p.provider.identifier }}" class="panel-collapse collapse">
<div id="payment_{{ p.provider.identifier }}"
class="panel-collapse collapse {% if selected == p.provider.identifier %}in{% endif %}">
<div class="panel-body form-horizontal">
{{ p.form }}
</div>
</div>
</div>
@@ -32,7 +34,7 @@
<div class="row checkout-button-row">
<div class="col-md-4">
<a class="btn btn-block btn-default btn-lg"
href="{{ view.get_previous_url }}">
href="{{ view.get_questions_url }}">
{% trans "Go back" %}
</a>
</div>
@@ -44,4 +46,4 @@
<div class="clearfix"></div>
</div>
</form>
{% endblock %}
{% endblock %}

2
src/pretix/presale/templates/pretixpresale/event/checkout_payment_form_default.html Normal file
View File

@@ -0,0 +1,2 @@
{% load bootstrap3 %}
{% bootstrap_form form layout='horizontal' %}

4
src/pretix/presale/templates/pretixpresale/event/checkout_questions.html
View File

@@ -33,7 +33,7 @@
<div class="row checkout-button-row">
<div class="col-md-4">
<a class="btn btn-block btn-default btn-lg"
href="{{ view.get_previous_url }}">
href="{{ view.get_index_url }}">
{% trans "Go back" %}
</a>
</div>
@@ -45,4 +45,4 @@
<div class="clearfix"></div>
</div>
</form>
{% endblock %}
{% endblock %}

12
src/pretix/presale/templates/pretixpresale/event/fragment_cart.html
View File

@@ -52,6 +52,18 @@
<div class="clearfix"></div>
</div>
{% endfor %}
{% if cart.payment_fee %}
{# TODO: Tax rate? #}
<div class="row-fluid cart-row">
<div class="col-md-4 col-xs-6">
<strong>{% trans "Payment method fee" %}</strong>
</div>
<div class="col-md-3 col-xs-6 col-md-offset-5 price">
<strong>{{ event.currency }} {{ cart.payment_fee|floatformat:2 }}</strong>
</div>
<div class="clearfix"></div>
</div>
{% endif %}
<div class="row-fluid cart-row total">
<div class="col-md-4 col-xs-6">
<strong>{% trans "Total" %}</strong>

4
src/pretix/presale/urls.py
View File

@@ -16,6 +16,10 @@ urlpatterns = patterns(
url(r'^checkout$', pretix.presale.views.checkout.CheckoutStart.as_view(), name='event.checkout.start'),
url(r'^checkout/payment$', pretix.presale.views.checkout.PaymentDetails.as_view(),
name='event.checkout.payment'),
url(r'^checkout/confirm$', pretix.presale.views.checkout.OrderConfirm.as_view(),
name='event.checkout.confirm'),
url(r'^order/(?P<order>[^/]+)/$', pretix.presale.views.checkout.OrderConfirm.as_view(),
name='event.order'),
url(r'^login$', pretix.presale.views.event.EventLogin.as_view(), name='event.checkout.login'),
)
)),

31
src/pretix/presale/views/__init__.py
View File

@@ -5,9 +5,11 @@ from django.contrib.auth.views import redirect_to_login
from django.core.urlresolvers import reverse
from django.db.models import Q
from django.utils.functional import cached_property
from django.utils.timezone import now
from pretix.base.models import CartPosition
from pretix.base.signals import register_payment_providers
class EventLoginRequiredMixin:
@@ -34,6 +36,22 @@ class EventLoginRequiredMixin:
class CartDisplayMixin:
@cached_property
def cartpos(self):
"""
A list of this users cart position
"""
return list(CartPosition.objects.current.filter(
Q(user=self.request.user) & Q(event=self.request.event)
).order_by(
'item', 'variation'
).select_related(
'item', 'variation'
).prefetch_related(
'variation__values', 'variation__values__prop',
'item__questions', 'answers'
))
def get_cart(self):
cartpos = CartPosition.objects.current.filter(
Q(user=self.request.user) & Q(event=self.request.event)
@@ -59,10 +77,21 @@ class CartDisplayMixin:
group.total = group.count * group.price
positions.append(group)
total = sum(p.total for p in positions)
payment_fee = 0
if 'payment' in self.request.session:
responses = register_payment_providers.send(self.request.event)
for receiver, response in responses:
provider = response(self.request.event)
if provider.identifier == self.request.session['payment']:
payment_fee = provider.calculate_fee(total)
return {
'positions': positions,
'raw': cartpos,
'total': sum(p.total for p in positions),
'total': total + payment_fee,
'payment_fee': payment_fee,
'minutes_left': (
max(min(p.expires for p in positions) - now(), timedelta()).seconds // 60
if positions else 0

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

@@ -136,7 +136,7 @@ class CartAdd(EventViewMixin, CartActionMixin, View):
).update(expires=now() + timedelta(minutes=30))
# For items that are already expired, we have to delete and re-add them, as they might
# be no longer available. Sorry!
# be no longer available or prices might have changed. Sorry!
for cp in CartPosition.objects.current.filter(
Q(user=self.request.user) & Q(event=self.request.event) & Q(expires__lte=now())):
items = self._re_add_position(items, cp)
@@ -220,7 +220,7 @@ class CartAdd(EventViewMixin, CartActionMixin, View):
item=item,
variation=variation,
price=price,
expires=now() + timedelta(minutes=30)
expires=now() + timedelta(minutes=self.request.event.settings.get('reservation_time', as_type=int))
)
except Quota.LockTimeoutException:
# Is raised when there are too many threads asking for quota locks and we were

256
src/pretix/presale/views/checkout.py
View File

@@ -1,12 +1,15 @@
from datetime import timedelta
from django.contrib import messages
from django.core.urlresolvers import reverse
from django.db import transaction
from django.db.models import Q, Sum
from django import forms
from django.shortcuts import redirect
from django.utils.functional import cached_property
from django.utils.timezone import now
from django.views.generic import View, TemplateView
from django.utils.translation import ugettext_lazy as _
from pretix.base.models import CartPosition, Question, QuestionAnswer
from pretix.base.models import CartPosition, Question, QuestionAnswer, Quota, Order, OrderPosition
from pretix.base.signals import register_payment_providers
from pretix.presale.views import EventViewMixin, CartDisplayMixin, EventLoginRequiredMixin
@@ -75,27 +78,43 @@ class QuestionsForm(forms.Form):
self.fields['question_%s' % q.identity] = field
class CheckoutStart(EventViewMixin, CartDisplayMixin, EventLoginRequiredMixin, TemplateView):
template_name = "pretixpresale/event/checkout_questions.html"
class CheckoutView(TemplateView):
def get_success_url(self):
def get_payment_url(self):
return reverse('presale:event.checkout.payment', kwargs={
'event': self.request.event.slug,
'organizer': self.request.event.organizer.slug,
})
def get_url(self):
def get_confirm_url(self):
return reverse('presale:event.checkout.confirm', kwargs={
'event': self.request.event.slug,
'organizer': self.request.event.organizer.slug,
})
def get_questions_url(self):
return reverse('presale:event.checkout.start', kwargs={
'event': self.request.event.slug,
'organizer': self.request.event.organizer.slug,
})
def get_previous_url(self):
def get_index_url(self):
return reverse('presale:event.index', kwargs={
'event': self.request.event.slug,
'organizer': self.request.event.organizer.slug,
'organizer': self.request.event.organizer.slug
})
def get_order_url(self, order):
return reverse('presale:event.order', kwargs={
'event': self.request.event.slug,
'organizer': self.request.event.organizer.slug,
'order': order.code,
})
class CheckoutStart(EventViewMixin, CartDisplayMixin, EventLoginRequiredMixin, CheckoutView):
template_name = "pretixpresale/event/checkout_questions.html"
@cached_property
def forms(self):
"""
@@ -114,22 +133,6 @@ class CheckoutStart(EventViewMixin, CartDisplayMixin, EventLoginRequiredMixin, T
formlist.append(form)
return formlist
@cached_property
def cartpos(self):
"""
A list of this users cart position
"""
return list(CartPosition.objects.current.filter(
Q(user=self.request.user) & Q(event=self.request.event)
).order_by(
'item', 'variation'
).select_related(
'item', 'variation'
).prefetch_related(
'variation__values', 'variation__values__prop',
'item__questions', 'answers'
))
def post(self, *args, **kwargs):
failed = False
for form in self.forms:
@@ -162,17 +165,17 @@ class CheckoutStart(EventViewMixin, CartDisplayMixin, EventLoginRequiredMixin, T
messages.error(self.request,
_("We had difficulties processing your input. Please review the errors below."))
return self.get(*args, **kwargs)
return redirect(self.get_success_url())
return redirect(self.get_payment_url())
def get(self, *args, **kwargs):
if not self.cartpos:
messages.error(self.request,
_("Your cart is empty"))
return redirect(self.get_previous_url())
return redirect(self.get_index_url())
if not self.forms:
# Nothing to do here
return redirect(self.get_success_url())
return redirect(self.get_payment_url())
return super().get(*args, **kwargs)
@@ -182,46 +185,203 @@ class CheckoutStart(EventViewMixin, CartDisplayMixin, EventLoginRequiredMixin, T
return ctx
class PaymentDetails(EventViewMixin, CartDisplayMixin, EventLoginRequiredMixin, TemplateView):
class PaymentDetails(EventViewMixin, EventLoginRequiredMixin, CheckoutView):
template_name = "pretixpresale/event/checkout_payment.html"
def get_success_url(self):
return reverse('presale:event.index', kwargs={
'event': self.request.event.slug,
'organizer': self.request.event.organizer.slug,
})
def get_url(self):
return reverse('presale:event.checkout.payment', kwargs={
'event': self.request.event.slug,
'organizer': self.request.event.organizer.slug,
})
def get_previous_url(self):
return reverse('presale:event.checkout.start', kwargs={
'event': self.request.event.slug,
'organizer': self.request.event.organizer.slug,
})
@cached_property
def _total_order_value(self):
return CartPosition.objects.current.filter(
Q(user=self.request.user) & Q(event=self.request.event)
).aggregate(sum=Sum('price'))['sum']
@cached_property
def provider_forms(self):
total = CartPosition.objects.current.filter(
Q(user=self.request.user) & Q(event=self.request.event)
).aggregate(sum=Sum('price'))['sum']
providers = []
responses = register_payment_providers.send(self.request.event)
for receiver, response in responses:
provider = response(self.request.event)
if not provider.is_enabled:
continue
fee = provider.calculate_fee(total)
fee = provider.calculate_fee(self._total_order_value)
providers.append({
'provider': provider,
'fee': fee,
'form': provider.checkout_form_render(self.request),
})
return providers
def post(self, request, *args, **kwargs):
for p in self.provider_forms:
if p['provider'].identifier == request.POST.get('payment', ''):
request.session['payment'] = p['provider'].identifier
total = self._total_order_value + p['provider'].calculate_fee(self._total_order_value)
resp = p['provider'].checkout_prepare(request, total)
if isinstance(resp, str):
return redirect(str)
elif resp is True:
return redirect(self.get_confirm_url())
else:
return self.get(request, *args, **kwargs)
def get_context_data(self, **kwargs):
ctx = super().get_context_data(**kwargs)
ctx['providers'] = self.provider_forms
ctx['selected'] = self.request.POST.get('payment', self.request.session.get('payment', ''))
return ctx
class OrderConfirm(EventViewMixin, CartDisplayMixin, EventLoginRequiredMixin, CheckoutView):
template_name = "pretixpresale/event/checkout_confirm.html"
error_messages = {
'unavailable': _('Some of the items you selected were no longer available. '
'Please see below for details.'),
'in_part': _('Some of the items you selected were no longer available in '
'the quantity you selected. Please see below for details.'),
'price_changed': _('The price of some of the items in your cart has changed in the '
'meantime. Please see below for details.'),
'busy': _('We were not able to process your request completely as the '
'server was too busy. Please try again.'),
'max_items': _("You cannot select more than %s items per order"),
}
def __init__(self, *args, **kwargs):
self.msg_some_unavailable = False
super().__init__(*args, **kwargs)
def get_context_data(self, **kwargs):
ctx = super().get_context_data(**kwargs)
ctx['cart'] = self.get_cart()
return ctx
@cached_property
def payment_provider(self):
responses = register_payment_providers.send(self.request.event)
for receiver, response in responses:
provider = response(self.request.event)
if provider.identifier == self.request.session['payment']:
return provider
def check_process(self, request):
if not self.payment_provider:
messages.error(request, _('The payment information you entered was incomplete.'))
return redirect(self.get_payment_url())
if not self.payment_provider.checkout_is_valid_session(request):
messages.error(request, _('The payment information you entered was incomplete.'))
return redirect(self.get_payment_url())
if len(self.cartpos) == 0:
messages.warning(request, _('Your cart is empty.'))
return redirect(self.get_index_url())
for cp in self.cartpos:
answ = {
aw.question_id: aw.answer for aw in cp.answers.all()
}
for q in cp.item.questions.all():
if q.required and q.identity not in answ:
messages.warning(request, _('Please fill in answers to all required questions.'))
return redirect(self.get_questions_url())
def get(self, request, *args, **kwargs):
self.request = request
check = self.check_process(request)
if check:
return check
return super().get(request, *args, **kwargs)
def error_message(self, msg, important=False):
if not self.msg_some_unavailable or important:
self.msg_some_unavailable = True
messages.error(self.request, msg)
def post(self, request, *args, **kwargs):
self.request = request
check = self.check_process(request)
if check:
return
dt = now()
quotas_locked = set()
try:
cartpos = self.cartpos
for i, cp in enumerate(cartpos):
quotas = list(cp.item.quotas.all()) if cp.variation is None else list(cp.variation.quotas.all())
if cp.expires < dt:
price = cp.item.check_restrictions() if cp.variation is None else cp.variation.check_restrictions()
if price is False:
self.error_message(self.error_messages['unavailable'])
continue
if len(quotas) == 0:
self.error_message(self.error_messages['unavailable'])
continue
if price != cp.price:
cp = cp.clone()
cartpos[i] = cp
cp.price = price
cp.save()
self.error_message(self.error_messages['price_changed'])
continue
quota_ok = True
for quota in quotas:
# Lock the quota, so no other thread is allowed to perform sales covered by this
# quota while we're doing so.
if quota not in quotas_locked:
quota.lock()
quotas_locked.add(quota)
avail = quota.availability()
if avail[0] != Quota.AVAILABILITY_OK:
# This quota is sold out/currently unavailable, so do not sell this at all
self.error_message(self.error_messages['unavailable'])
quota_ok = False
break
if quota_ok:
cp = cp.clone()
cartpos[i] = cp
cp.expires = now() + timedelta(minutes=self.request.event.settings.get('reservation_time', as_type=int))
cp.save()
if not self.msg_some_unavailable: # Everything went well
with transaction.atomic():
total = sum([c.price for c in cartpos])
payment_fee = self.payment_provider.calculate_fee(total)
total += payment_fee
expires = [dt + timedelta(days=request.event.payment_term_days)]
if request.event.payment_term_last:
expires.append(request.event.payment_term_last)
order = Order.objects.create(
status=Order.STATUS_PENDING,
event=request.event,
user=request.user,
datetime=dt,
expires=min(expires),
total=total,
payment_fee=payment_fee,
payment_provider=self.payment_provider.identifier,
)
for cp in cartpos:
op = OrderPosition.objects.create(
order=order, item=cp.item, variation=cp.variation,
price=cp.price, attendee_name=cp.attendee_name
)
for answ in cp.answers.all():
answ = answ.clone()
answ.orderposition = op
answ.cartposition = None
answ.save()
cp.delete()
messages.success(request, _('Your order has been placed.'))
resp = self.payment_provider.checkout_perform(request, order)
if isinstance(resp, str):
return redirect(str)
else:
return redirect(self.get_order_url(order))
except Quota.LockTimeoutException:
# Is raised when there are too many threads asking for quota locks and we were
# unaible to get one
self.error_message(self.error_messages['busy'], important=True)
finally:
# Release the locks. This is important ;)
for quota in quotas_locked:
quota.release()
return redirect(self.get_confirm_url())