Provide support for manipulting order status

src/pretix/base/migrations/0022_auto_20150320_2239.py

@@ -0,0 +1,24 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('pretixbase', '0021_auto_20150320_1622'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='order',
+            name='payment_manual',
+            field=models.BooleanField(verbose_name='Payment state was manually modified', default=False),
+        ),
+        migrations.AlterField(
+            model_name='order',
+            name='status',
+            field=models.CharField(verbose_name='Status', max_length=3, choices=[('n', 'pending'), ('p', 'paid'), ('e', 'expired'), ('c', 'cancelled'), ('r', 'refunded')]),
+        ),
+    ]

src/pretix/base/models.py

@@ -1537,6 +1537,10 @@ class Order(Versionable):
         verbose_name=_("Payment information"),
         null=True, blank=True
     )
+    payment_manual = models.BooleanField(
+        verbose_name=_("Payment state was manually modified"),
+        default=False
+    )
     total = models.DecimalField(
         decimal_places=2, max_digits=10,
         verbose_name=_("Total amount")
@@ -1590,7 +1594,7 @@ class Order(Versionable):
                 return True
         return False  # nothing there to modify
 
-    def mark_paid(self, provider, info, date=None):
+    def mark_paid(self, provider=None, info=None, date=None, manual=None):
         """
         Mark this order as paid. This clones the order object, sets the payment provider,
         info and date and returns the cloned order object.
@@ -1604,9 +1608,11 @@ class Order(Versionable):
         :type date: datetime
         """
         order = self.clone()
-        order.payment_provider = provider
-        order.payment_info = info
+        order.payment_provider = provider or order.payment_provider
+        order.payment_info = info or order.payment_info
         order.payment_date = date or now()
+        if manual is not None:
+            order.payment_manual = manual
         order.status = Order.STATUS_PAID
         order.save()
         return order

src/pretix/control/static/pretixcontrol/less/main.less

@@ -47,3 +47,10 @@ nav.navbar {
         }
     }
 }
+
+.btn-toolbar {
+    margin-bottom: 20px;
+}
+.container-fluid > .alert:first-child {
+    margin-top: 20px;
+}

src/pretix/control/templates/pretixcontrol/base.html

@@ -74,6 +74,13 @@
             </nav>
             <div id="page-wrapper">
                 <div class="container-fluid">
+                    {% if messages %}
+                        {% for message in messages %}
+                            <div class="alert {{ message.tags }}">
+                                {{ message }}
+                            </div>
+                        {% endfor %}
+                    {% endif %}
 
                     {% block content %}
                     {% endblock %}

src/pretix/control/templates/pretixcontrol/order/cancel.html

@@ -0,0 +1,32 @@
+{% extends "pretixcontrol/event/base.html" %}
+{% load i18n %}
+{% block title %}
+    {% trans "Cancel order" %}
+{% endblock %}
+{% block content %}
+    <h1>
+        {% trans "Cancel order" %}
+    </h1>
+    <p>{% blocktrans trimmed %}
+        Do you really want to cancel this order? You cannot revert this action.
+    {% endblocktrans %}</p>
+
+    <form method="post" href="">
+        {% csrf_token %}
+        <input type="hidden" name="status" value="c" />
+        <div class="row checkout-button-row">
+            <div class="col-md-4">
+                <a class="btn btn-block btn-default btn-lg"
+                        href="{% url "control:event.order" event=request.event.slug organizer=request.event.organizer.slug code=order.code %}">
+                    {% trans "No, take me back" %}
+                </a>
+            </div>
+            <div class="col-md-4 col-md-offset-4">
+                <button class="btn btn-block btn-danger btn-lg" type="submit">
+                    {% trans "Yes, cancel order" %}
+                </button>
+            </div>
+            <div class="clearfix"></div>
+        </div>
+    </form>
+{% endblock %}

src/pretix/control/templates/pretixcontrol/order/index.html

@@ -12,6 +12,27 @@
         {% endblocktrans %}
         {% include "pretixcontrol/orders/fragment_order_status.html" with order=order class="pull-right" %}
     </h1>
+    {% if order.status == 'n' or order.status == 'p' %}
+        <form action="{% url "control:event.order.transition" event=request.event.slug organizer=request.event.organizer.slug code=order.code %}"
+                method="post">
+            {% csrf_token %}
+            <div class="btn-toolbar" role="toolbar">
+                <div class="btn-group" role="group">
+                    {% if order.status == 'n' %}
+                        <button name="status" value="p" class="btn btn-default">{% trans "Mark as paid" %}</button>
+                        <a href="{% url "control:event.order.transition" event=request.event.slug organizer=request.event.organizer.slug code=order.code %}?status=c" class="btn btn-default">
+                            {% trans "Cancel order" %}
+                        </a>
+                    {% elif order.status == 'p' %}
+                        <button name="status" value="n" class="btn btn-default">{% trans "Mark as not paid" %}</button>
+                        <a href="{% url "control:event.order.transition" event=request.event.slug organizer=request.event.organizer.slug code=order.code %}?status=r" class="btn btn-default">
+                            {% trans "Refund order" %}
+                        </a>
+                    {% endif %}
+                </div>
+            </div>
+        </form>
+    {% endif %}
     <div class="panel panel-primary items">
         <div class="panel-heading">
             <h3 class="panel-title">
@@ -86,6 +107,11 @@
             </h3>
         </div>
         <div class="panel-body">
+            {% if order.payment_manual %}
+                <div class="alert alert-info">
+                    {% trans "The payment state of this order was manually modified." %}
+                </div>
+            {% endif %}
             {{ payment }}
             {% if order.status == 'n' %}
                 <p>{% blocktrans trimmed with date=order.expires %}

src/pretix/control/urls.py

@@ -46,6 +46,8 @@ urlpatterns = [
         url(r'^quotas/(?P<quota>[0-9a-f-]+)/delete$', item.QuotaDelete.as_view(),
             name='event.items.quotas.delete'),
         url(r'^quotas/add$', item.QuotaCreate.as_view(), name='event.items.quotas.add'),
+        url(r'^orders/(?P<code>[0-9A-Z]+)/transition$', orders.OrderTransition.as_view(),
+            name='event.order.transition'),
         url(r'^orders/(?P<code>[0-9A-Z]+)/$', orders.OrderDetail.as_view(), name='event.order'),
         url(r'^orders/$', orders.OrderList.as_view(), name='event.orders'),
     ])),

src/pretix/control/views/orders.py

@@ -1,5 +1,10 @@
 from itertools import groupby
+from django.contrib import messages
+from django.core.urlresolvers import reverse
 from django.db.models import Q
+from django.utils.translation import ugettext_lazy as _
+from django.http import HttpResponse
+from django.shortcuts import redirect, render
 from django.utils.functional import cached_property
 from django.views.generic import ListView, DetailView
 
@@ -21,11 +26,9 @@ class OrderList(EventPermissionRequiredMixin, ListView):
         ).select_related("user")
 
 
-class OrderDetail(EventPermissionRequiredMixin, DetailView):
-    model = Order
+class OrderView(DetailView):
     context_object_name = 'order'
-    template_name = 'pretixcontrol/order/index.html'
-    permission = 'can_view_orders'
+    model = Order
 
     def get_object(self, queryset=None):
         return Order.objects.current.get(
@@ -33,6 +36,15 @@ class OrderDetail(EventPermissionRequiredMixin, DetailView):
             code=self.kwargs['code'].upper()
         )
 
+    @cached_property
+    def order(self):
+        return self.get_object()
+
+
+class OrderDetail(EventPermissionRequiredMixin, OrderView):
+    template_name = 'pretixcontrol/order/index.html'
+    permission = 'can_view_orders'
+
     @cached_property
     def payment_provider(self):
         responses = register_payment_providers.send(self.request.event)
@@ -85,3 +97,51 @@ class OrderDetail(EventPermissionRequiredMixin, DetailView):
             'total': self.object.total,
             'payment_fee': self.object.payment_fee,
         }
+
+
+class OrderTransition(EventPermissionRequiredMixin, OrderView):
+    permission = 'can_view_orders'
+
+    def post(self, *args, **kwargs):
+        to = self.request.POST.get('status', '')
+        if self.order.status == 'n' and to == 'p':
+            self.order.mark_paid(manual=True)
+            messages.success(self.request, _('The order has been marked as paid.'))
+        elif self.order.status == 'n' and to == 'c':
+            order = self.order.clone()
+            order.status = Order.STATUS_CANCELLED
+            order.save()
+            messages.success(self.request, _('The order has been cancelled.'))
+        elif self.order.status == 'p' and to == 'n':
+            order = self.order.clone()
+            order.status = Order.STATUS_PENDING
+            order.payment_manual = True
+            order.save()
+            messages.success(self.request, _('The order has been marked as not paid.'))
+        return redirect(reverse(
+            'control:event.order',
+            kwargs={
+                'event': self.request.event.slug,
+                'organizer': self.request.event.organizer.slug,
+                'code': self.order.code,
+            }
+        ))
+
+    def get(self, *args, **kwargs):
+        to = self.request.GET.get('status', '')
+        if self.order.status == 'n' and to == 'c':
+            return render(self.request, 'pretixcontrol/order/cancel.html', {
+                'order': self.order,
+            })
+        elif self.order.status == 'p' and to == 'r':
+            messages.error(self.request, _('Refunding orders is not yet implemented.'))
+            return redirect(reverse(
+                'control:event.order',
+                kwargs={
+                    'event': self.request.event.slug,
+                    'organizer': self.request.event.organizer.slug,
+                    'code': self.order.code,
+                    }
+            ))
+        else:
+            return HttpResponse(status=405)