Added bulk creation form for vouchers

src/pretix/control/forms/vouchers.py

@@ -71,7 +71,7 @@ class VoucherForm(I18nModelForm):
             self.instance.item = None
             self.instance.variation = None
 
-        if not self.instance.pk and Voucher.objects.filter(code=data['code'], event=self.instance.event).exists():
+        if 'code' in data and not self.instance.pk and Voucher.objects.filter(code=data['code'], event=self.instance.event).exists():
             raise ValidationError(_('A voucher with this code already exists.'))
 
         return data
@@ -80,3 +80,29 @@ class VoucherForm(I18nModelForm):
         super().save(commit)
 
         return ['item']
+
+
+class VoucherBulkForm(VoucherForm):
+    codes = forms.CharField(
+        widget=forms.Textarea,
+        label=_("Codes"),
+        help_text=_(
+            "Add one voucher code per line"
+        )
+    )
+
+    class Meta:
+        model = Voucher
+        localized_fields = '__all__'
+        fields = [
+            'valid_until', 'block_quota', 'allow_ignore_quota', 'price', 'tag', 'comment'
+        ]
+
+    def clean(self):
+        data = super().clean()
+        data['codes'] = [a.strip() for a in data['codes'].strip().split("\n")]
+
+        if Voucher.objects.filter(code__in=data['codes'], event=self.instance.event).exists():
+            raise ValidationError(_('A voucher with one of this codes already exists.'))
+
+        return data

src/pretix/control/templates/pretixcontrol/vouchers/bulk.html

@@ -0,0 +1,43 @@
+{% extends "pretixcontrol/items/base.html" %}
+{% load i18n %}
+{% load bootstrap3 %}
+{% block title %}{% trans "Voucher" %}{% endblock %}
+{% block inside %}
+    <h1>{% trans "Create multiple voucher" %}</h1>
+    <form action="" method="post" class="form-horizontal">
+        {% csrf_token %}
+        {% bootstrap_form_errors form %}
+        <fieldset>
+            <legend>{% trans "Voucher codes" %}</legend>
+            {% bootstrap_field form.codes layout="horizontal" %}
+        </fieldset>
+        <fieldset>
+            <legend>{% trans "Voucher details" %}</legend>
+            {% bootstrap_field form.valid_until layout="horizontal" %}
+            {% bootstrap_field form.block_quota layout="horizontal" %}
+            {% bootstrap_field form.allow_ignore_quota layout="horizontal" %}
+            {% bootstrap_field form.price layout="horizontal" %}
+            {% bootstrap_field form.itemvar layout="horizontal" %}
+            <div class="form-group">
+                <div class="col-md-9 col-md-offset-3">
+                    <div class="controls">
+                        <div class="alert alert-info">
+                            {% blocktrans trimmed %}
+                                If you choose "any product" for a specific quota and choose to reserve quota for this
+                                voucher above, the product can still be unavailable to the voucher holder if another quota
+                                associated with the product is sold out!
+                            {% endblocktrans %}
+                        </div>
+                    </div>
+                </div>
+            </div>
+            {% bootstrap_field form.tag layout="horizontal" %}
+            {% bootstrap_field form.comment layout="horizontal" %}
+        </fieldset>
+        <div class="form-group submit-group">
+            <button type="submit" class="btn btn-primary btn-save">
+                {% trans "Save" %}
+            </button>
+        </div>
+    </form>
+{% endblock %}

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

@@ -19,11 +19,16 @@
 
             <a href="{% url "control:event.vouchers.add" organizer=request.event.organizer.slug event=request.event.slug %}"
                     class="btn btn-primary btn-lg"><i class="fa fa-plus"></i> {% trans "Create a new voucher" %}</a>
+            <a href="{% url "control:event.vouchers.bulk" organizer=request.event.organizer.slug event=request.event.slug %}"
+                    class="btn btn-primary btn-lg"><i class="fa fa-plus"></i> {% trans "Create multiple new vouchers" %}</a>
         </div>
     {% else %}
         <p>
             <a href="{% url "control:event.vouchers.add" organizer=request.event.organizer.slug event=request.event.slug %}"
                     class="btn btn-default"><i class="fa fa-plus"></i> {% trans "Create a new voucher" %}</a>
+            <a href="{% url "control:event.vouchers.bulk" organizer=request.event.organizer.slug event=request.event.slug %}"
+                    class="btn btn-default"><i class="fa fa-plus"></i>
+                {% trans "Create multiple new vouchers" %}</a>
         </p>
         <form class="form-inline helper-display-inline" action="" method="get">
             <input type="text" name="search" class="form-control" placeholder="{% trans "Search voucher" %}"

src/pretix/control/urls.py

@@ -61,6 +61,7 @@ urlpatterns = [
         url(r'^vouchers/(?P<voucher>\d+)/delete$', vouchers.VoucherDelete.as_view(),
             name='event.voucher.delete'),
         url(r'^vouchers/add$', vouchers.VoucherCreate.as_view(), name='event.vouchers.add'),
+        url(r'^vouchers/bulk_add$', vouchers.VoucherBulkCreate.as_view(), name='event.vouchers.bulk'),
         url(r'^orders/(?P<code>[0-9A-Z]+)/transition$', orders.OrderTransition.as_view(),
             name='event.order.transition'),
         url(r'^orders/(?P<code>[0-9A-Z]+)/resend$', orders.OrderResendLink.as_view(),

src/pretix/control/views/vouchers.py

@@ -1,3 +1,5 @@
+import copy
+
 from django.contrib import messages
 from django.core.urlresolvers import resolve, reverse
 from django.db import transaction
@@ -7,7 +9,7 @@ from django.utils.translation import ugettext_lazy as _
 from django.views.generic import CreateView, DeleteView, ListView, UpdateView
 
 from pretix.base.models import Voucher
-from pretix.control.forms.vouchers import VoucherForm
+from pretix.control.forms.vouchers import VoucherBulkForm, VoucherForm
 from pretix.control.permissions import EventPermissionRequiredMixin
 
 
@@ -125,3 +127,38 @@ class VoucherCreate(EventPermissionRequiredMixin, CreateView):
         ret = super().form_valid(form)
         form.instance.log_action('pretix.voucher.added', data=dict(form.cleaned_data), user=self.request.user)
         return ret
+
+
+class VoucherBulkCreate(EventPermissionRequiredMixin, CreateView):
+    model = Voucher
+    form_class = VoucherBulkForm
+    template_name = 'pretixcontrol/vouchers/bulk.html'
+    permission = 'can_change_vouchers'
+    context_object_name = 'voucher'
+
+    def get_success_url(self) -> str:
+        return reverse('control:event.vouchers', kwargs={
+            'organizer': self.request.event.organizer.slug,
+            'event': self.request.event.slug,
+        })
+
+    def get_form_kwargs(self):
+        kwargs = super().get_form_kwargs()
+        kwargs['instance'] = Voucher(event=self.request.event)
+        return kwargs
+
+    @transaction.atomic()
+    def form_valid(self, form):
+        for code in form.cleaned_data['codes']:
+            obj = copy.copy(form.instance)
+            obj.event = self.request.event
+            obj.code = code
+            data = dict(form.cleaned_data)
+            data['code'] = code
+            data['bulk'] = True
+            del data['codes']
+            obj.save()
+            obj.log_action('pretix.voucher.added', data=data, user=self.request.user)
+
+        messages.success(self.request, _('The new vouchers have been created.'))
+        return HttpResponseRedirect(self.get_success_url())