Bulk creation for event series dates (#848)

* copy-from things

* Some frontend

* rrule UI

* .

* Fixes

* UI improvements

* First test

* Tests

src/pretix/base/reldate.py

@@ -82,7 +82,6 @@ class RelativeDateWrapper:
             new_date = new_date.astimezone(tz)
             newoffset = new_date.utcoffset()
             new_date += oldoffset - newoffset
-
             return new_date
 
     def to_string(self) -> str:
@@ -154,6 +153,11 @@ class RelativeDateTimeField(forms.MultiValueField):
             ('absolute', _('Fixed date:')),
             ('relative', _('Relative date:')),
         ]
+        if kwargs.get('limit_choices'):
+            limit = kwargs.pop('limit_choices')
+            choices = [(k, v) for k, v in BASE_CHOICES if k in limit]
+        else:
+            choices = BASE_CHOICES
         if not kwargs.get('required', True):
             status_choices.insert(0, ('unset', _('Not set')))
         fields = (
@@ -168,7 +172,7 @@ class RelativeDateTimeField(forms.MultiValueField):
                 required=False
             ),
             forms.ChoiceField(
-                choices=BASE_CHOICES,
+                choices=choices,
                 required=False
             ),
             forms.TimeField(
@@ -176,7 +180,7 @@ class RelativeDateTimeField(forms.MultiValueField):
             ),
         )
         if 'widget' not in kwargs:
-            kwargs['widget'] = RelativeDateTimeWidget(status_choices=status_choices, base_choices=BASE_CHOICES)
+            kwargs['widget'] = RelativeDateTimeWidget(status_choices=status_choices, base_choices=choices)
         kwargs.pop('max_length', 0)
         kwargs.pop('empty_value', 0)
         super().__init__(

src/pretix/control/context.py

@@ -9,7 +9,9 @@ from django.utils.translation import get_language
 from pretix.base.models.auth import StaffSession
 from pretix.base.settings import GlobalSettingsObject
 
-from ..helpers.i18n import get_javascript_format, get_moment_locale
+from ..helpers.i18n import (
+    get_javascript_format, get_javascript_output_format, get_moment_locale,
+)
 from .signals import html_head, nav_event, nav_global, nav_topbar
 
 SessionStore = import_module(settings.SESSION_ENGINE).SessionStore
@@ -82,6 +84,7 @@ def contextprocessor(request):
 
     ctx['js_datetime_format'] = get_javascript_format('DATETIME_INPUT_FORMATS')
     ctx['js_date_format'] = get_javascript_format('DATE_INPUT_FORMATS')
+    ctx['js_long_date_format'] = get_javascript_output_format('DATE_FORMAT')
     ctx['js_time_format'] = get_javascript_format('TIME_INPUT_FORMATS')
     ctx['js_locale'] = get_moment_locale()
     ctx['select2locale'] = get_language()[:2]

src/pretix/control/forms/subevents.py

@@ -1,10 +1,16 @@
+from datetime import timedelta
+
 from django import forms
+from django.forms import formset_factory
 from django.utils.functional import cached_property
+from django.utils.timezone import now
+from django.utils.translation import pgettext_lazy, ugettext_lazy as _
 from i18nfield.forms import I18nInlineFormSet
 
 from pretix.base.forms import I18nModelForm
 from pretix.base.models.event import SubEvent, SubEventMetaValue
 from pretix.base.models.items import SubEventItem
+from pretix.base.reldate import RelativeDateTimeField
 from pretix.base.templatetags.money import money_filter
 from pretix.control.forms import SplitDateTimePickerWidget
 from pretix.helpers.money import change_decimal_field
@@ -46,6 +52,44 @@ class SubEventForm(I18nModelForm):
         }
 
 
+class SubEventBulkForm(SubEventForm):
+    time_from = forms.TimeField(
+        label=_('Event start time'),
+        widget=forms.TimeInput(attrs={'class': 'timepickerfield'})
+    )
+    time_to = forms.TimeField(
+        label=_('Event end time'),
+        widget=forms.TimeInput(attrs={'class': 'timepickerfield'}),
+        required=False
+    )
+    time_admission = forms.TimeField(
+        label=_('Admission time'),
+        widget=forms.TimeInput(attrs={'class': 'timepickerfield'}),
+        required=False
+    )
+    rel_presale_start = RelativeDateTimeField(
+        label=_('Start of presale'),
+        help_text=_('Optional. No products will be sold before this date.'),
+        required=False,
+        limit_choices=('date_from', 'date_to'),
+    )
+    rel_presale_end = RelativeDateTimeField(
+        label=_('End of presale'),
+        help_text=_('Optional. No products will be sold after this date. If you do not set this value, the presale '
+                    'will end after the end date of your event.'),
+        required=False,
+        limit_choices=('date_from', 'date_to'),
+    )
+
+    def __init__(self, *args, **kwargs):
+        self.event = kwargs['event']
+        super().__init__(*args, **kwargs)
+        self.fields['location'].widget.attrs['rows'] = '3'
+        del self.fields['date_from']
+        del self.fields['date_to']
+        del self.fields['date_admission']
+
+
 class SubEventItemOrVariationFormMixin:
     def __init__(self, *args, **kwargs):
         self.item = kwargs.pop('item')
@@ -97,6 +141,7 @@ class QuotaFormSet(I18nInlineFormSet):
         kwargs['locales'] = self.locales
         kwargs['event'] = self.event
         kwargs['items'] = self.items
+        kwargs['items'] = self.items
         return super()._construct_form(i, **kwargs)
 
     @property
@@ -155,3 +200,175 @@ class CheckinListFormSet(I18nInlineFormSet):
         )
         self.add_fields(form, None)
         return form
+
+
+class RRuleForm(forms.Form):
+    # TODO: calendar.setfirstweekday
+    exclude = forms.BooleanField(
+        label=_('Exclude these dates instead of adding them.'),
+        required=False
+    )
+    freq = forms.ChoiceField(
+        choices=[
+            ('yearly', _('year(s)')),
+            ('monthly', _('month(s)')),
+            ('weekly', _('week(s)')),
+            ('daily', _('day(s)')),
+        ]
+    )
+    interval = forms.IntegerField(
+        label=_('Interval'),
+        initial=1
+    )
+    dtstart = forms.DateField(
+        label=_('Start date'),
+        widget=forms.DateInput(
+            attrs={
+                'class': 'datepickerfield',
+                'required': 'required'
+            }
+        ),
+        initial=lambda: now().date()
+    )
+
+    end = forms.ChoiceField(
+        choices=[
+            ('count', ''),
+            ('until', ''),
+        ],
+        initial='count',
+        widget=forms.RadioSelect
+    )
+    count = forms.IntegerField(
+        label=_('Number of repititions'),
+        initial=10
+    )
+    until = forms.DateField(
+        widget=forms.DateInput(
+            attrs={
+                'class': 'datepickerfield',
+                'required': 'required'
+            }
+        ),
+        label=_('Last date'),
+        required=True,
+        initial=lambda: now() + timedelta(days=365)
+    )
+
+    yearly_bysetpos = forms.ChoiceField(
+        choices=[
+            ('1', pgettext_lazy('rrule', 'first')),
+            ('2', pgettext_lazy('rrule', 'second')),
+            ('3', pgettext_lazy('rrule', 'third')),
+            ('-1', pgettext_lazy('rrule', 'last')),
+        ],
+        required=False
+    )
+    yearly_same = forms.ChoiceField(
+        choices=[
+            ('on', ''),
+            ('off', ''),
+        ],
+        initial='on',
+        widget=forms.RadioSelect
+    )
+    yearly_byweekday = forms.ChoiceField(
+        choices=[
+            ('MO', _('Monday')),
+            ('TU', _('Tuesday')),
+            ('WE', _('Wednesday')),
+            ('TH', _('Thursday')),
+            ('FR', _('Friday')),
+            ('SA', _('Saturday')),
+            ('SU', _('Sunday')),
+            ('MO,TU,WE,TH,FR,SA,SU', _('Day')),
+            ('MO,TU,WE,TH,FR', _('Weekday')),
+            ('SA,SU', _('Weekend day')),
+        ],
+        required=False
+    )
+    yearly_bymonth = forms.ChoiceField(
+        choices=[
+            ('1', _('January')),
+            ('2', _('February')),
+            ('3', _('March')),
+            ('4', _('April')),
+            ('5', _('May')),
+            ('6', _('June')),
+            ('7', _('July')),
+            ('8', _('August')),
+            ('9', _('September')),
+            ('10', _('October')),
+            ('11', _('November')),
+            ('12', _('December')),
+        ],
+        required=False
+    )
+
+    monthly_same = forms.ChoiceField(
+        choices=[
+            ('on', ''),
+            ('off', ''),
+        ],
+        initial='on',
+        widget=forms.RadioSelect
+    )
+    monthly_bysetpos = forms.ChoiceField(
+        choices=[
+            ('1', pgettext_lazy('rrule', 'first')),
+            ('2', pgettext_lazy('rrule', 'second')),
+            ('3', pgettext_lazy('rrule', 'third')),
+            ('-1', pgettext_lazy('rrule', 'last')),
+        ],
+        required=False
+    )
+    monthly_byweekday = forms.ChoiceField(
+        choices=[
+            ('MO', _('Monday')),
+            ('TU', _('Tuesday')),
+            ('WE', _('Wednesday')),
+            ('TH', _('Thursday')),
+            ('FR', _('Friday')),
+            ('SA', _('Saturday')),
+            ('SU', _('Sunday')),
+            ('MO,TU,WE,TH,FR,SA,SU', _('Day')),
+            ('MO,TU,WE,TH,FR', _('Weekday')),
+            ('SA,SU', _('Weekend day')),
+        ],
+        required=False
+    )
+
+    weekly_byweekday = forms.MultipleChoiceField(
+        choices=[
+            ('MO', _('Monday')),
+            ('TU', _('Tuesday')),
+            ('WE', _('Wednesday')),
+            ('TH', _('Thursday')),
+            ('FR', _('Friday')),
+            ('SA', _('Saturday')),
+            ('SU', _('Sunday')),
+        ],
+        required=False,
+        widget=forms.CheckboxSelectMultiple
+    )
+
+    def parse_weekdays(self, value):
+        m = {
+            'MO': 0,
+            'TU': 1,
+            'WE': 2,
+            'TH': 3,
+            'FR': 4,
+            'SA': 5,
+            'SU': 6
+        }
+        if ',' in value:
+            return [m.get(a) for a in value.split(',')]
+        else:
+            return m.get(value)
+
+
+RRuleFormSet = formset_factory(
+    RRuleForm,
+    can_order=False, can_delete=True, extra=1
+)

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

@@ -30,6 +30,7 @@
             <script type="text/javascript" src="{% static "charts/raphael-min.js" %}"></script>
             <script type="text/javascript" src="{% static "charts/morris.js" %}"></script>
             <script type="text/javascript" src="{% static "clipboard/clipboard.js" %}"></script>
+            <script type="text/javascript" src="{% static "rrule/rrule.js" %}"></script>
             <script type="text/javascript" src="{% static "pretixcontrol/js/jquery.qrcode.min.js" %}"></script>
             <script type="text/javascript" src="{% static "pretixcontrol/js/clipboard.js" %}"></script>
             <script type="text/javascript" src="{% static "pretixcontrol/js/menu.js" %}"></script>
@@ -52,7 +53,7 @@
         <link rel="icon" href="{% static "pretixbase/img/favicon.ico" %}">
         {% block custom_header %}{% endblock %}
 	</head>
-	<body data-datetimeformat="{{ js_datetime_format }}" data-timeformat="{{ js_time_format }}" data-dateformat="{{ js_date_format }}" data-datetimelocale="{{ js_locale }}" data-payment-weekdays-disabled="{{ js_payment_weekdays_disabled }}" data-select2-locale="{{ select2locale }}">
+	<body data-datetimeformat="{{ js_datetime_format }}" data-timeformat="{{ js_time_format }}" data-dateformat="{{ js_date_format }}" data-datetimelocale="{{ js_locale }}" data-payment-weekdays-disabled="{{ js_payment_weekdays_disabled }}" data-select2-locale="{{ select2locale }}" data-longdateformat="{{ js_long_date_format }}">
         <div id="wrapper">
             <nav class="navbar navbar-inverse navbar-static-top" role="navigation">
                 <div class="navbar-header">

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

@@ -0,0 +1,442 @@
+{% extends "pretixcontrol/event/base.html" %}
+{% load i18n %}
+{% load bootstrap3 %}
+{% load formset_tags %}
+{% load captureas %}
+{% load eventsignal %}
+{% block title %}{% trans "Date" context "subevent" %}{% endblock %}
+{% block content %}
+    <h1>{% trans "Create multiple dates" context "subevent" %}</h1>
+    <form action="" method="post" class="form-horizontal" id="subevent-bulk-create-form">
+        {% csrf_token %}
+        {% bootstrap_form_errors form %}
+        {% for f in itemvar_forms %}
+            {% bootstrap_form_errors f %}
+        {% endfor %}
+        <div class="row">
+            <div class="col-md-8">
+                <fieldset>
+                    <legend>{% trans "Dates" context "subevent" %}</legend>
+
+                    <div class="formset" data-formset data-formset-prefix="{{ rrule_formset.prefix }}"
+                            id="rrule-formset">
+                        {{ rrule_formset.management_form }}
+                        {% bootstrap_formset_errors rrule_formset %}
+                        <div data-formset-body>
+                            {% for f in rrule_formset %}
+                                {% bootstrap_form_errors f %}
+                                <div data-formset-form>
+                                    <div class="panel panel-default">
+                                        <div class="panel-heading">
+                                            <h4 class="panel-title">
+                                                <div class="row">
+                                                    <div class="col-md-10">
+                                                        {% trans "Repetition rule" %}
+                                                    </div>
+                                                    <div class="col-md-2 text-right">
+                                                        <button type="button" class="btn btn-danger btn-xs"
+                                                                data-formset-delete-button>
+                                                            <i class="fa fa-trash"></i></button>
+                                                    </div>
+                                                </div>
+                                            </h4>
+                                        </div>
+                                        <div class="panel-body form-inline rrule-form">
+                                            <div class="sr-only">
+                                                {{ f.id }}
+                                                {% bootstrap_field f.DELETE form_group_class="" layout="inline" %}
+                                            </div>
+                                            {% captureas ffield_freq %}
+                                                {% bootstrap_field f.freq layout="inline" %}
+                                            {% endcaptureas %}
+                                            {% captureas ffield_interval %}
+                                                {% bootstrap_field f.interval layout="inline" %}
+                                            {% endcaptureas %}
+                                            {% captureas ffield_dtstart %}
+                                                {% bootstrap_field f.dtstart layout="inline" %}
+                                            {% endcaptureas %}
+                                            {% captureas ffield_yearly_bysetpos %}
+                                                {% bootstrap_field f.yearly_bysetpos layout="inline" %}
+                                            {% endcaptureas %}
+                                            {% captureas ffield_yearly_byweekday %}
+                                                {% bootstrap_field f.yearly_byweekday layout="inline" %}
+                                            {% endcaptureas %}
+                                            {% captureas ffield_yearly_bymonth %}
+                                                {% bootstrap_field f.yearly_bymonth layout="inline" %}
+                                            {% endcaptureas %}
+                                            {% captureas ffield_monthly_bysetpos %}
+                                                {% bootstrap_field f.monthly_bysetpos layout="inline" %}
+                                            {% endcaptureas %}
+                                            {% captureas ffield_monthly_byweekday %}
+                                                {% bootstrap_field f.monthly_byweekday layout="inline" %}
+                                            {% endcaptureas %}
+                                            {% captureas ffield_count %}
+                                                {% bootstrap_field f.count layout="inline" %}
+                                            {% endcaptureas %}
+                                            {% captureas ffield_until %}
+                                                {% bootstrap_field f.until layout="inline" %}
+                                            {% endcaptureas %}
+
+                                            {% blocktrans trimmed with freq=ffield_freq interval=ffield_interval start=ffield_dtstart %}
+                                                Repeat every {{ interval }} {{ freq }}, starting at {{ start }}.
+                                            {% endblocktrans %}<br>
+
+                                            <div class="repeat-yearly">
+                                                <div class="radio">
+                                                    <label>
+                                                        {{ f.yearly_same.0 }}
+                                                        {% trans "At the same date every year" %}
+                                                    </label><br>
+                                                    <label>
+                                                        {{ f.yearly_same.1 }}
+                                                        {% blocktrans trimmed with setpos=ffield_yearly_bysetpos weekday=ffield_yearly_byweekday month=ffield_yearly_bymonth %}
+                                                            On the {{ setpos }} {{ weekday }} of {{ month }}
+                                                        {% endblocktrans %}<br>
+                                                    </label>
+                                                </div>
+                                            </div>
+                                            <div class="repeat-monthly">
+                                                <div class="radio">
+                                                    <label>
+                                                        {{ f.monthly_same.0 }}
+                                                        {% trans "At the same date every month" %}
+                                                    </label><br>
+                                                    <label>
+                                                        {{ f.monthly_same.1 }}
+                                                        {% blocktrans trimmed with setpos=ffield_monthly_bysetpos weekday=ffield_monthly_byweekday %}
+                                                            On the {{ setpos }} {{ weekday }}
+                                                        {% endblocktrans %}<br>
+                                                    </label>
+                                                </div>
+                                            </div>
+                                            <div class="repeat-weekly">
+                                                {% bootstrap_field f.weekly_byweekday layout="inline" %}
+                                            </div>
+                                            <div class="repeat-until">
+                                                <div class="radio">
+                                                    <label>
+                                                        {{ f.end.0 }}
+                                                        {% blocktrans trimmed with count=ffield_count %}
+                                                            Repeat for {{ count }} times
+                                                        {% endblocktrans %}
+                                                    </label><br>
+                                                    <label>
+                                                        {{ f.end.1 }}
+                                                        {% blocktrans trimmed with until=ffield_until %}
+                                                            Repeat until {{ until }}
+                                                        {% endblocktrans %}<br>
+                                                    </label>
+                                                </div>
+                                            </div>
+                                            {% bootstrap_field f.exclude layout="inline" %}
+                                        </div>
+                                    </div>
+                                </div>
+                            {% endfor %}
+                        </div>
+                        <script type="form-template" data-formset-empty-form>
+                            {% escapescript %}
+                                <div data-formset-form>
+                                    <div class="panel panel-default">
+                                        <div class="panel-heading">
+                                            <h4 class="panel-title">
+                                                <div class="row">
+                                                    <div class="col-md-10">
+                                                        {% trans "Repetition rule" %}
+                                                    </div>
+                                                    <div class="col-md-2 text-right">
+                                                        <button type="button" class="btn btn-danger btn-xs"
+                                                                data-formset-delete-button>
+                                                            <i class="fa fa-trash"></i></button>
+                                                    </div>
+                                                </div>
+                                            </h4>
+                                        </div>
+                                        <div class="panel-body form-inline rrule-form">
+                                            <div class="sr-only">
+                                                {{ rrule_formset.empty_form.id }}
+                                                {% bootstrap_field rrule_formset.empty_form.DELETE form_group_class="" layout="inline" %}
+                                            </div>
+                                            {% captureas ffield_freq %}
+                                                {% bootstrap_field rrule_formset.empty_form.freq layout="inline" %}
+                                            {% endcaptureas %}
+                                            {% captureas ffield_interval %}
+                                                {% bootstrap_field rrule_formset.empty_form.interval layout="inline" %}
+                                            {% endcaptureas %}
+                                            {% captureas ffield_dtstart %}
+                                                {% bootstrap_field rrule_formset.empty_form.dtstart layout="inline" %}
+                                            {% endcaptureas %}
+                                            {% captureas ffield_yearly_bysetpos %}
+                                                {% bootstrap_field rrule_formset.empty_form.yearly_bysetpos layout="inline" %}
+                                            {% endcaptureas %}
+                                            {% captureas ffield_yearly_byweekday %}
+                                                {% bootstrap_field rrule_formset.empty_form.yearly_byweekday layout="inline" %}
+                                            {% endcaptureas %}
+                                            {% captureas ffield_yearly_bymonth %}
+                                                {% bootstrap_field rrule_formset.empty_form.yearly_bymonth layout="inline" %}
+                                            {% endcaptureas %}
+                                            {% captureas ffield_monthly_bysetpos %}
+                                                {% bootstrap_field rrule_formset.empty_form.monthly_bysetpos layout="inline" %}
+                                            {% endcaptureas %}
+                                            {% captureas ffield_monthly_byweekday %}
+                                                {% bootstrap_field rrule_formset.empty_form.monthly_byweekday layout="inline" %}
+                                            {% endcaptureas %}
+                                            {% captureas ffield_count %}
+                                                {% bootstrap_field rrule_formset.empty_form.count layout="inline" %}
+                                            {% endcaptureas %}
+                                            {% captureas ffield_until %}
+                                                {% bootstrap_field rrule_formset.empty_form.until layout="inline" %}
+                                            {% endcaptureas %}
+
+                                            {% blocktrans trimmed with freq=ffield_freq interval=ffield_interval start=ffield_dtstart %}
+                                                Repeat every {{ interval }} {{ freq }}, starting at {{ start }}.
+                                            {% endblocktrans %}<br>
+
+                                            <div class="repeat-yearly">
+                                                <div class="radio">
+                                                    <label>
+                                                        {{ rrule_formset.empty_form.yearly_same.0 }}
+                                                        {% trans "At the same date every year" %}
+                                                    </label><br>
+                                                    <label>
+                                                        {{ rrule_formset.empty_form.yearly_same.1 }}
+                                                        {% blocktrans trimmed with setpos=ffield_yearly_bysetpos weekday=ffield_yearly_byweekday month=ffield_yearly_bymonth %}
+                                                            On the {{ setpos }} {{ weekday }} of {{ month }}
+                                                        {% endblocktrans %}<br>
+                                                    </label>
+                                                </div>
+                                            </div>
+                                            <div class="repeat-monthly">
+                                                <div class="radio">
+                                                    <label>
+                                                        {{ rrule_formset.empty_form.monthly_same.0 }}
+                                                        {% trans "At the same date every month" %}
+                                                    </label><br>
+                                                    <label>
+                                                        {{ rrule_formset.empty_form.monthly_same.1 }}
+                                                        {% blocktrans trimmed with setpos=ffield_monthly_bysetpos weekday=ffield_monthly_byweekday %}
+                                                            On the {{ setpos }} {{ weekday }}
+                                                        {% endblocktrans %}<br>
+                                                    </label>
+                                                </div>
+                                            </div>
+                                            <div class="repeat-weekly">
+                                                {% bootstrap_field rrule_formset.empty_form.weekly_byweekday layout="inline" %}
+                                            </div>
+                                            <div class="repeat-until">
+                                                <div class="radio">
+                                                    <label>
+                                                        {{ rrule_formset.empty_form.end.0 }}
+                                                        {% blocktrans trimmed with count=ffield_count %}
+                                                            Repeat for {{ count }} times
+                                                        {% endblocktrans %}
+                                                    </label><br>
+                                                    <label>
+                                                        {{ rrule_formset.empty_form.end.1 }}
+                                                        {% blocktrans trimmed with until=ffield_until %}
+                                                            Repeat until {{ until }}
+                                                        {% endblocktrans %}<br>
+                                                    </label>
+                                                </div>
+                                            </div>
+                                            {% bootstrap_field rrule_formset.empty_form.exclude layout="inline" %}
+                                        </div>
+                                    </div>
+                                </div>
+                            {% endescapescript %}
+                        </script>
+                        <p>
+                            <button type="button" class="btn btn-default" data-formset-add>
+                                <i class="fa fa-plus"></i> {% trans "Add a new rule" %}</button>
+                        </p>
+                    </div>
+                </fieldset>
+            </div>
+            <div class="col-md-4">
+                <fieldset>
+                    <legend>{% trans "Preview" context "subevent" %}</legend>
+                    <ul id="rrule-preview">
+                    </ul>
+                </fieldset>
+            </div>
+        </div>
+        <fieldset>
+            <legend>{% trans "General information" %}</legend>
+            {% bootstrap_field form.name layout="control" %}
+            {% bootstrap_field form.active layout="control" %}
+            {% bootstrap_field form.time_from layout="control" %}
+            {% bootstrap_field form.time_to layout="control" %}
+            {% bootstrap_field form.location layout="control" %}
+            {% bootstrap_field form.time_admission layout="control" %}
+            {% bootstrap_field form.frontpage_text layout="control" %}
+            {% if meta_forms %}
+                <div class="form-group metadata-group">
+                    <label class="col-md-3 control-label">{% trans "Meta data" %}</label>
+                    <div class="col-md-9">
+                        {% for form in meta_forms %}
+                            <div class="row">
+                                <div class="col-md-4">
+                                    <label for="{{ form.value.id_for_label }}">
+                                        {{ form.property.name }}
+                                    </label>
+                                </div>
+                                <div class="col-md-8">
+                                    {% bootstrap_form form layout="inline" %}
+                                </div>
+                            </div>
+                        {% endfor %}
+                    </div>
+                </div>
+            {% endif %}
+        </fieldset>
+        <fieldset>
+            <legend>{% trans "Timeline" %}</legend>
+            {% bootstrap_field form.rel_presale_start layout="control" %}
+            {% bootstrap_field form.rel_presale_end layout="control" %}
+        </fieldset>
+        <fieldset>
+            <legend>{% trans "Quotas" %}</legend>
+            <div class="formset" data-formset data-formset-prefix="{{ formset.prefix }}">
+                {{ formset.management_form }}
+                {% bootstrap_formset_errors formset %}
+                <div data-formset-body>
+                    {% for form in formset %}
+                        <div class="panel panel-default" data-formset-form>
+                            <div class="sr-only">
+                                {{ form.id }}
+                                {% bootstrap_field form.DELETE form_group_class="" layout="inline" %}
+                            </div>
+                            <div class="panel-heading">
+                                <h4 class="panel-title">
+                                    <div class="row">
+                                        <div class="col-md-10">
+                                            {% bootstrap_field form.name layout='inline' form_group_class="" %}
+                                        </div>
+                                        <div class="col-md-2 text-right">
+                                            <button type="button" class="btn btn-danger" data-formset-delete-button>
+                                                <i class="fa fa-trash"></i></button>
+                                        </div>
+                                    </div>
+                                </h4>
+                            </div>
+                            <div class="panel-body form-horizontal">
+                                {% bootstrap_form_errors form %}
+                                {% bootstrap_field form.size layout="control" %}
+                                {% bootstrap_field form.itemvars layout="control" %}
+                            </div>
+                        </div>
+                    {% endfor %}
+                </div>
+                <script type="form-template" data-formset-empty-form>
+                    {% escapescript %}
+                        <div class="panel panel-default" data-formset-form>
+                            <div class="sr-only">
+                                {{ formset.empty_form.id }}
+                                {% bootstrap_field formset.empty_form.DELETE form_group_class="" layout="inline" %}
+                            </div>
+                            <div class="panel-heading">
+                                <h4 class="panel-title">
+                                    <div class="row">
+                                        <div class="col-md-10">
+                                            {% bootstrap_field formset.empty_form.name layout='inline' form_group_class="" %}
+                                        </div>
+                                        <div class="col-md-2 text-right">
+                                            <button type="button" class="btn btn-danger" data-formset-delete-button>
+                                                <i class="fa fa-trash"></i></button>
+                                        </div>
+                                    </div>
+                                </h4>
+                            </div>
+                            <div class="panel-body form-horizontal">
+                                {% bootstrap_field formset.empty_form.size layout="control" %}
+                                {% bootstrap_field formset.empty_form.itemvars layout="control" %}
+                            </div>
+                        </div>
+                    {% endescapescript %}
+                </script>
+                <p>
+                    <button type="button" class="btn btn-default" data-formset-add>
+                        <i class="fa fa-plus"></i> {% trans "Add a new quota" %}</button>
+                </p>
+        </fieldset>
+        <fieldset>
+            <legend>{% trans "Item prices" %}</legend>
+            {% for f in itemvar_forms %}
+                {% bootstrap_field f.price addon_after=request.event.currency layout="control" %}
+            {% endfor %}
+        </fieldset>
+        <fieldset>
+            <legend>{% trans "Check-in lists" %}</legend>
+            <div class="formset" data-formset data-formset-prefix="{{ cl_formset.prefix }}">
+                {{ cl_formset.management_form }}
+                {% bootstrap_formset_errors cl_formset %}
+                <div data-formset-body>
+                    {% for form in cl_formset %}
+                        <div class="panel panel-default" data-formset-form>
+                            <div class="sr-only">
+                                {{ form.id }}
+                                {% bootstrap_field form.DELETE form_group_class="" layout="inline" %}
+                            </div>
+                            <div class="panel-heading">
+                                <h4 class="panel-title">
+                                    <div class="row">
+                                        <div class="col-md-10">
+                                            {% bootstrap_field form.name layout='inline' form_group_class="" %}
+                                        </div>
+                                        <div class="col-md-2 text-right">
+                                            <button type="button" class="btn btn-danger" data-formset-delete-button>
+                                                <i class="fa fa-trash"></i></button>
+                                        </div>
+                                    </div>
+                                </h4>
+                            </div>
+                            <div class="panel-body form-horizontal">
+                                {% bootstrap_form_errors form %}
+                                {% bootstrap_field form.include_pending layout="control" %}
+                                {% bootstrap_field form.all_products layout="control" %}
+                                {% bootstrap_field form.limit_products layout="control" %}
+                            </div>
+                        </div>
+                    {% endfor %}
+                </div>
+                <script type="form-template" data-formset-empty-form>
+                    {% escapescript %}
+                        <div class="panel panel-default" data-formset-form>
+                            <div class="sr-only">
+                                {{ cl_formset.empty_form.id }}
+                                {% bootstrap_field cl_formset.empty_form.DELETE form_group_class="" layout="inline" %}
+                            </div>
+                            <div class="panel-heading">
+                                <h4 class="panel-title">
+                                    <div class="row">
+                                        <div class="col-md-10">
+                                            {% bootstrap_field cl_formset.empty_form.name layout='inline' form_group_class="" %}
+                                        </div>
+                                        <div class="col-md-2 text-right">
+                                            <button type="button" class="btn btn-danger" data-formset-delete-button>
+                                                <i class="fa fa-trash"></i></button>
+                                        </div>
+                                    </div>
+                                </h4>
+                            </div>
+                            <div class="panel-body form-horizontal">
+                                {% bootstrap_field cl_formset.empty_form.include_pending layout="control" %}
+                                {% bootstrap_field cl_formset.empty_form.all_products layout="control" %}
+                                {% bootstrap_field cl_formset.empty_form.limit_products layout="control" %}
+                            </div>
+                        </div>
+                    {% endescapescript %}
+                </script>
+                <p>
+                    <button type="button" class="btn btn-default" data-formset-add>
+                        <i class="fa fa-plus"></i> {% trans "Add a new check-in list" %}
+                    </button>
+                </p>
+        </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/subevents/index.html

@@ -38,6 +38,9 @@
             <a href="{% url "control:event.subevents.add" organizer=request.event.organizer.slug event=request.event.slug %}"
                     class="btn btn-default"><i class="fa fa-plus"></i>
                 {% trans "Create a new date" context "subevent" %}</a>
+            <a href="{% url "control:event.subevents.bulk" organizer=request.event.organizer.slug event=request.event.slug %}"
+                    class="btn btn-default"><i class="fa fa-plus"></i>
+                {% trans "Create many new dates" context "subevent" %}</a>
         </p>
         <div class="table-responsive">
             <table class="table table-hover table-quotas">
@@ -97,7 +100,24 @@
                         </td>
                         <td class="text-right">
                             <a href="{% url "control:event.subevent" organizer=request.event.organizer.slug event=request.event.slug subevent=s.id %}" class="btn btn-default btn-sm"><i class="fa fa-edit"></i></a>
-                            <a href="{% url "control:event.subevents.add" organizer=request.event.organizer.slug event=request.event.slug %}?copy_from={{ s.id }}" class="btn btn-default btn-sm"><i class="fa fa-copy"></i></a>
+                            <div class="btn-group {% if forloop.revcounter0 < 2 %}dropup{% endif %}">
+                                <button type="button" class="btn btn-default btn-sm dropdown-toggle"
+                                        data-toggle="dropdown">
+                                    <span class="fa fa-copy"></span>
+                                </button>
+                                <ul class="dropdown-menu dropdown-menu-right">
+                                    <li>
+                                        <a href="{% url "control:event.subevents.add" organizer=request.event.organizer.slug event=request.event.slug %}?copy_from={{ s.id }}">
+                                            {% trans "Use as a template for a new date" context "subevent" %}
+                                        </a>
+                                    </li>
+                                    <li>
+                                        <a href="{% url "control:event.subevents.bulk" organizer=request.event.organizer.slug event=request.event.slug %}?copy_from={{ s.id }}">
+                                            {% trans "Use as a template for many new dates" context "subevent" %}
+                                        </a>
+                                    </li>
+                                </ul>
+                            </div>
                             <a href="{% url "control:event.subevent.delete" organizer=request.event.organizer.slug event=request.event.slug subevent=s.id %}" class="btn btn-danger btn-sm"><i class="fa fa-trash"></i></a>
                         </td>
                     </tr>

src/pretix/control/urls.py

@@ -103,6 +103,7 @@ urlpatterns = [
         url(r'^subevents/(?P<subevent>\d+)/delete$', subevents.SubEventDelete.as_view(),
             name='event.subevent.delete'),
         url(r'^subevents/add$', subevents.SubEventCreate.as_view(), name='event.subevents.add'),
+        url(r'^subevents/bulk_add$', subevents.SubEventBulkCreate.as_view(), name='event.subevents.bulk'),
         url(r'^items/$', item.ItemList.as_view(), name='event.items'),
         url(r'^items/add$', item.ItemCreate.as_view(), name='event.items.add'),
         url(r'^items/(?P<item>\d+)/$', item.ItemUpdateGeneral.as_view(), name='event.item'),

src/pretix/control/views/subevents.py

@@ -1,5 +1,7 @@
 import copy
+from datetime import datetime
 
+from dateutil.rrule import DAILY, MONTHLY, WEEKLY, YEARLY, rrule, rruleset
 from django.contrib import messages
 from django.core.urlresolvers import reverse
 from django.db import transaction
@@ -7,19 +9,25 @@ from django.db.models import F, IntegerField, OuterRef, Prefetch, Subquery, Sum
 from django.db.models.functions import Coalesce
 from django.forms import inlineformset_factory
 from django.http import Http404, HttpResponseRedirect
+from django.shortcuts import redirect
 from django.utils.functional import cached_property
+from django.utils.timezone import make_aware
 from django.utils.translation import pgettext_lazy, ugettext_lazy as _
 from django.views.generic import CreateView, DeleteView, ListView, UpdateView
 
 from pretix.base.models.checkin import CheckinList
 from pretix.base.models.event import SubEvent, SubEventMetaValue
-from pretix.base.models.items import Quota, SubEventItem, SubEventItemVariation
+from pretix.base.models.items import (
+    ItemVariation, Quota, SubEventItem, SubEventItemVariation,
+)
+from pretix.base.reldate import RelativeDate, RelativeDateWrapper
 from pretix.control.forms.checkin import CheckinListForm
 from pretix.control.forms.filter import SubEventFilterForm
 from pretix.control.forms.item import QuotaForm
 from pretix.control.forms.subevents import (
-    CheckinListFormSet, QuotaFormSet, SubEventForm, SubEventItemForm,
-    SubEventItemVariationForm, SubEventMetaValueForm,
+    CheckinListFormSet, QuotaFormSet, RRuleFormSet, SubEventBulkForm,
+    SubEventForm, SubEventItemForm, SubEventItemVariationForm,
+    SubEventMetaValueForm,
 )
 from pretix.control.permissions import EventPermissionRequiredMixin
 from pretix.control.views import PaginationMixin
@@ -92,7 +100,7 @@ class SubEventDelete(EventPermissionRequiredMixin, DeleteView):
     def get(self, request, *args, **kwargs):
         if self.get_object().orderposition_set.count() > 0:
             messages.error(request, pgettext_lazy('subevent', 'A date can not be deleted if orders already have been '
-                                                  'placed.'))
+                                                              'placed.'))
             return HttpResponseRedirect(self.get_success_url())
         return super().get(request, *args, **kwargs)
 
@@ -103,7 +111,7 @@ class SubEventDelete(EventPermissionRequiredMixin, DeleteView):
 
         if self.object.orderposition_set.count() > 0:
             messages.error(request, pgettext_lazy('subevent', 'A date can not be deleted if orders already have been '
-                                                  'placed.'))
+                                                              'placed.'))
             return HttpResponseRedirect(self.get_success_url())
         elif not self.object.allow_delete():  # checking if this is the last date in the event series
             messages.error(request, pgettext_lazy('subevent', 'The last date of an event series can not be deleted.'))
@@ -142,7 +150,7 @@ class SubEventEditorMixin(MetaDataEditorMixin):
         extra = 0
         kwargs = {}
 
-        if self.copy_from:
+        if self.copy_from and self.request.method != "POST":
             kwargs['initial'] = [
                 {
                     'name': cl.name,
@@ -152,7 +160,7 @@ class SubEventEditorMixin(MetaDataEditorMixin):
                 } for cl in self.copy_from.checkinlist_set.prefetch_related('limit_products')
             ]
             extra = len(kwargs['initial'])
-        elif not self.object:
+        elif not self.object and self.request.method != "POST":
             kwargs['initial'] = [
                 {
                     'name': '',
@@ -179,7 +187,7 @@ class SubEventEditorMixin(MetaDataEditorMixin):
         extra = 0
         kwargs = {}
 
-        if self.copy_from:
+        if self.copy_from and self.request.method != "POST":
             kwargs['initial'] = [
                 {
                     'size': q.size,
@@ -199,9 +207,11 @@ class SubEventEditorMixin(MetaDataEditorMixin):
         if self.object:
             kwargs['queryset'] = self.object.quotas.prefetch_related('items', 'variations')
 
-        return formsetclass(self.request.POST if self.request.method == "POST" else None,
-                            instance=self.object,
-                            event=self.request.event, **kwargs)
+        return formsetclass(
+            self.request.POST if self.request.method == "POST" else None,
+            instance=self.object,
+            event=self.request.event, **kwargs
+        )
 
     def save_cl_formset(self, obj):
         for form in self.cl_formset.initial_forms:
@@ -285,7 +295,7 @@ class SubEventEditorMixin(MetaDataEditorMixin):
 
     @cached_property
     def copy_from(self):
-        if self.request.GET.get("copy_from") and not getattr(self, 'object'):
+        if self.request.GET.get("copy_from") and not getattr(self, 'object', None):
             try:
                 return self.request.event.subevents.get(pk=self.request.GET.get("copy_from"))
             except SubEvent.DoesNotExist:
@@ -428,6 +438,7 @@ class SubEventCreate(SubEventEditorMixin, EventPermissionRequiredMixin, CreateVi
         form.instance.event = self.request.event
         messages.success(self.request, pgettext_lazy('subevent', 'The new date has been created.'))
         ret = super().form_valid(form)
+        self.object = form.instance
         form.instance.log_action('pretix.subevent.added', data=dict(form.cleaned_data), user=self.request.user)
 
         self.save_formset(form.instance)
@@ -435,6 +446,239 @@ class SubEventCreate(SubEventEditorMixin, EventPermissionRequiredMixin, CreateVi
         for f in self.itemvar_forms:
             f.instance.subevent = form.instance
             f.save()
-        self.object = form.instance
+        for f in self.meta_forms:
+            f.instance.subevent = form.instance
         self.save_meta()
         return ret
+
+    @cached_property
+    def meta_forms(self):
+        def clone(o):
+            o = copy.copy(o)
+            o.pk = None
+            return o
+
+        if self.copy_from:
+            val_instances = {
+                v.property_id: clone(v) for v in self.copy_from.meta_values.all()
+            }
+        else:
+            val_instances = {}
+
+        formlist = []
+
+        for p in self.request.organizer.meta_properties.all():
+            formlist.append(self._make_meta_form(p, val_instances))
+        return formlist
+
+
+class SubEventBulkCreate(SubEventEditorMixin, EventPermissionRequiredMixin, CreateView):
+    model = SubEvent
+    template_name = 'pretixcontrol/subevents/bulk.html'
+    permission = 'can_change_settings'
+    context_object_name = 'subevent'
+    form_class = SubEventBulkForm
+
+    def is_valid(self, form):
+        return self.rrule_formset.is_valid() and super().is_valid(form)
+
+    def get_success_url(self) -> str:
+        return reverse('control:event.subevents', kwargs={
+            'organizer': self.request.event.organizer.slug,
+            'event': self.request.event.slug,
+        })
+
+    @cached_property
+    def rrule_formset(self):
+        return RRuleFormSet(
+            data=self.request.POST if self.request.method == "POST" else None,
+            prefix='rruleformset'
+        )
+
+    def get_context_data(self, **kwargs):
+        ctx = super().get_context_data(**kwargs)
+        ctx['rrule_formset'] = self.rrule_formset
+        return ctx
+
+    @cached_property
+    def meta_forms(self):
+        def clone(o):
+            o = copy.copy(o)
+            o.pk = None
+            return o
+
+        if self.copy_from:
+            val_instances = {
+                v.property_id: clone(v) for v in self.copy_from.meta_values.all()
+            }
+        else:
+            val_instances = {}
+
+        formlist = []
+
+        for p in self.request.organizer.meta_properties.all():
+            formlist.append(self._make_meta_form(p, val_instances))
+        return formlist
+
+    def get_form_kwargs(self):
+        kwargs = super().get_form_kwargs()
+        initial = {}
+        kwargs['event'] = self.request.event
+        tz = self.request.event.timezone
+        if self.copy_from:
+            i = copy.copy(self.copy_from)
+            i.pk = None
+            kwargs['instance'] = i
+            initial['time_from'] = i.date_from.astimezone(tz).time()
+            initial['time_to'] = i.date_to.astimezone(tz).time() if i.date_to else None
+            initial['time_admission'] = i.date_admission.astimezone(tz).time() if i.date_admission else None
+            initial['rel_presale_start'] = RelativeDateWrapper(RelativeDate(
+                days_before=(i.date_from.astimezone(tz).date() - i.presale_start.astimezone(tz).date()).days,
+                base_date_name='date_from',
+                time=i.presale_start.astimezone(tz).time()
+            )) if i.presale_start else None
+            initial['rel_presale_end'] = RelativeDateWrapper(RelativeDate(
+                days_before=(i.date_from.astimezone(tz).date() - i.presale_end.astimezone(tz).date()).days,
+                base_date_name='date_from',
+                time=i.presale_end.astimezone(tz).time()
+            )) if i.presale_start else None
+        else:
+            kwargs['instance'] = SubEvent(event=self.request.event)
+        kwargs['initial'] = initial
+        return kwargs
+
+    def get_rrule_set(self):
+        s = rruleset()
+        for f in self.rrule_formset:
+            if f in self.rrule_formset.deleted_forms:
+                continue
+
+            rule_kwargs = {}
+            rule_kwargs['dtstart'] = f.cleaned_data['dtstart']
+            rule_kwargs['interval'] = f.cleaned_data['interval']
+
+            if f.cleaned_data['freq'] == 'yearly':
+                freq = YEARLY
+                if f.cleaned_data['yearly_same'] == "off":
+                    rule_kwargs['bysetpos'] = int(f.cleaned_data['yearly_bysetpos'])
+                    rule_kwargs['byweekday'] = f.parse_weekdays(f.cleaned_data['yearly_byweekday'])
+                    rule_kwargs['bymonth'] = int(f.cleaned_data['yearly_bymonth'])
+
+            elif f.cleaned_data['freq'] == 'monthly':
+                freq = MONTHLY
+
+                if f.cleaned_data['monthly_same'] == "off":
+                    rule_kwargs['bysetpos'] = int(f.cleaned_data['monthly_bysetpos'])
+                    rule_kwargs['byweekday'] = f.parse_weekdays(f.cleaned_data['monthly_byweekday'])
+            elif f.cleaned_data['freq'] == 'weekly':
+                freq = WEEKLY
+
+                if f.cleaned_data['weekly_byweekday']:
+                    rule_kwargs['byweekday'] = [f.parse_weekdays(a) for a in f.cleaned_data['weekly_byweekday']]
+
+            elif f.cleaned_data['freq'] == 'daily':
+                freq = DAILY
+
+            if f.cleaned_data['end'] == 'count':
+                rule_kwargs['count'] = f.cleaned_data['count']
+            else:
+                rule_kwargs['until'] = f.cleaned_data['until']
+
+            if f.cleaned_data['exclude']:
+                s.exrule(rrule(freq, **rule_kwargs))
+            else:
+                s.rrule(rrule(freq, **rule_kwargs))
+
+        return s
+
+    @transaction.atomic
+    def form_valid(self, form):
+
+        tz = self.request.event.timezone
+        cnt = 0
+        for rdate in self.get_rrule_set():
+            se = copy.copy(form.instance)
+
+            se.date_from = make_aware(datetime.combine(rdate, form.cleaned_data['time_from']), tz)
+            se.date_to = (
+                make_aware(datetime.combine(rdate, form.cleaned_data['time_to']), tz)
+                if form.cleaned_data.get('time_to')
+                else None
+            )
+            se.date_admission = (
+                make_aware(datetime.combine(rdate, form.cleaned_data['time_admission']), tz)
+                if form.cleaned_data.get('time_admission')
+                else None
+            )
+            se.presale_start = (
+                form.cleaned_data['rel_presale_start'].datetime(se)
+                if form.cleaned_data.get('rel_presale_start')
+                else None
+            )
+            se.presale_end = (
+                form.cleaned_data['rel_presale_end'].datetime(se)
+                if form.cleaned_data.get('rel_presale_end')
+                else None
+            )
+            se.save()
+            se.log_action('pretix.subevent.added', data=dict(form.cleaned_data), user=self.request.user)
+
+            for f in self.meta_forms:
+                if f.cleaned_data.get('value'):
+                    i = copy.copy(f.instance)
+                    i.subevent = se
+                    i.save()
+
+            for f in self.formset.forms:
+                if self.formset._should_delete_form(f):
+                    continue
+                i = copy.copy(f.instance)
+                i.subevent = se
+                i.event = se.event
+                i.save()
+                selected_items = set(list(self.request.event.items.filter(id__in=[
+                    i.split('-')[0] for i in f.cleaned_data.get('itemvars', [])
+                ])))
+                selected_variations = list(ItemVariation.objects.filter(item__event=self.request.event, id__in=[
+                    i.split('-')[1] for i in f.cleaned_data.get('itemvars', []) if '-' in i
+                ]))
+                i.items.add(*[_i for _i in selected_items])
+                i.variations.add(*[_i for _i in selected_variations])
+
+                change_data = {k: f.cleaned_data.get(k) for k in f.changed_data}
+                change_data['id'] = i.pk
+                i.log_action(action='pretix.event.quota.added', user=self.request.user, data=change_data)
+                se.log_action('pretix.subevent.quota.added', user=self.request.user, data=change_data)
+
+            for f in self.cl_formset.forms:
+                if self.cl_formset._should_delete_form(f):
+                    continue
+                i = copy.copy(f.instance)
+                i.subevent = se
+                i.event = se.event
+                i.save()
+                i.limit_products.add(*f.cleaned_data.get('limit_products', []))
+                change_data = {k: f.cleaned_data.get(k) for k in f.changed_data}
+                change_data['id'] = i.pk
+                i.log_action(action='pretix.event.checkinlist.added', user=self.request.user, data=change_data)
+
+            for f in self.itemvar_forms:
+                i = copy.copy(f.instance)
+                i.subevent = se
+                i.save()
+
+            cnt += 1
+
+        messages.success(self.request, pgettext_lazy('subevent', '{} new dates have been created.').format(cnt))
+        return redirect(reverse('control:event.subevents', kwargs={
+            'organizer': self.request.event.organizer.slug,
+            'event': self.request.event.slug,
+        }))
+
+    def post(self, request, *args, **kwargs):
+        form = self.get_form()
+        self.object = SubEvent(event=self.request.event)
+        if self.is_valid(form):
+            return self.form_valid(form)
+        else:
+            return self.form_invalid(form)

src/pretix/helpers/i18n.py

@@ -34,6 +34,48 @@ date_conversion_to_moment = {
     '%X': ''
 }
 
+out_date_conversion_to_moment = {
+    'a': 'a',
+    'A': 'A',
+    'b': 'MMM',
+    'c': 'YYYY-MM-DDTHH:mm:ss.SSSSSSZ',
+    'd': 'DD',
+    'e': 'zz',
+    'E': 'MMMM',
+    'f': 'h:mm',
+    'F': 'MMMM',
+    'g': 'h',
+    'G': 'H',
+    'h': 'hh',
+    'H': 'HH',
+    'i': 'mm',
+    'I': '',
+    'j': 'D',
+    'l': 'dddd',
+    'L': '',
+    'm': 'MM',
+    'M': 'MMM',
+    'n': 'M',
+    'N': 'MMM',  # fuzzy
+    'o': 'GGGG',
+    'O': 'ZZ',
+    'P': 'h:mm a',
+    'r': 'ddd, D MMM YYYY HH:mm:ss Z',
+    's': 'ss',
+    'S': 'Do',  # fuzzy
+    't': '',
+    'T': 'z',
+    'u': 'SSSSSS',
+    'U': 'X',
+    'w': 'd',
+    'W': 'W',
+    'y': 'YY',
+    'Y': 'YYYY',
+    'z': 'DDD',
+    'Z': ''
+
+}
+
 moment_locales = {
     'af', 'az', 'bs', 'de-at', 'en-gb', 'et', 'fr-ch', 'hi', 'it', 'ko', 'me', 'ms-my', 'pa-in', 'se', 'sr', 'th',
     'tzm-latn', 'zh-hk', 'ar', 'be', 'ca', 'de', 'en-ie', 'eu', 'fr', 'hr', 'ja', 'ky', 'mi', 'my', 'pl', 'si', 'ss',
@@ -45,10 +87,23 @@ moment_locales = {
 }
 
 toJavascript_re = re.compile(r'(?<!\w)(' + '|'.join(date_conversion_to_moment.keys()) + r')\b')
+toJavascriptOut_re = re.compile(r'(?<!\w)(' + '|'.join(out_date_conversion_to_moment.keys()) + r')\b')
+
+
+def get_javascript_output_format(format_name):
+    f = get_format(format_name)
+    if not isinstance(f, str):
+        f = f[0]
+    return toJavascriptOut_re.sub(
+        lambda x: out_date_conversion_to_moment[x.group()],
+        f
+    )
 
 
 def get_javascript_format(format_name):
-    f = get_format(format_name)[0]
+    f = get_format(format_name)
+    if not isinstance(f, str):
+        f = f[0]
     return toJavascript_re.sub(
         lambda x: date_conversion_to_moment[x.group()],
         f

src/pretix/helpers/templatetags/captureas.py

@@ -0,0 +1,25 @@
+from django import template
+
+register = template.Library()
+
+
+@register.tag(name='captureas')
+def do_captureas(parser, token):
+    try:
+        tag_name, args = token.contents.split(None, 1)
+    except ValueError:
+        raise template.TemplateSyntaxError("'captureas' node requires a variable name.")
+    nodelist = parser.parse(('endcaptureas',))
+    parser.delete_first_token()
+    return CaptureasNode(nodelist, args)
+
+
+class CaptureasNode(template.Node):
+    def __init__(self, nodelist, varname):
+        self.nodelist = nodelist
+        self.varname = varname
+
+    def render(self, context):
+        output = self.nodelist.render(context)
+        context[self.varname] = output
+        return ''

src/pretix/static/pretixcontrol/js/ui/subevent.js

@@ -1,9 +1,146 @@
-/*globals $, Morris, gettext*/
+/*globals $, Morris, gettext, RRule, RRuleSet*/
+
 $(function () {
     if (!$("div[data-formset-prefix=checkinlist_set]").length) {
         return;
     }
 
+    function parse_weekday(wd) {
+        map = {
+            'MO': 0,
+            'TU': 1,
+            'WE': 2,
+            'TH': 3,
+            'FR': 4,
+            'SA': 5,
+            'SU': 6
+        }
+        if (wd.indexOf(",") > 0) {
+            var wds = [];
+            $.each(wd.split(","), function (k, v) {
+                wds.push(map[v]);
+            });
+            return wds;
+        } else {
+            return map[wd];
+        }
+    }
+
+    function rrule_preview() {
+        var ruleset = new RRuleSet();
+
+        $(".rrule-form").each(function () {
+            if ($(this).find("input[name$=DELETE]").prop("checked")) {
+                return;
+            }
+
+            var rule_args = {};
+            var $form = $(this);
+            var freq = $form.find("select[name*=freq]").val();
+            if (!$form.find("input[name*=dtstart]").data("DateTimePicker")) {
+                // uninitialized
+                return;
+            }
+            var dtstart = $form.find("input[name*=dtstart]").data("DateTimePicker").date();
+            dtstart = dtstart.add(dtstart.utcOffset(), 'm').add(12, 'h').utcOffset(0);
+            rule_args.dtstart = dtstart.toDate();
+            rule_args.interval = parseInt($form.find("input[name*=interval]").val()) || 1;
+
+            if (freq === 'yearly') {
+                rule_args.freq = RRule.YEARLY;
+
+                var same = $form.find("input[name*=yearly_same]:checked").val();
+                if (same === "off") {
+                    rule_args.bysetpos = parseInt($form.find("select[name*=yearly_bysetpos]").val());
+                    rule_args.byweekday = parse_weekday($form.find("select[name*=yearly_byweekday]").val());
+                    rule_args.bymonth = parseInt($form.find("select[name*=yearly_bymonth]").val());
+                }
+            } else if (freq === 'monthly') {
+                rule_args.freq = RRule.MONTHLY;
+
+                var same = $form.find("input[name*=monthly_same]:checked").val();
+                if (same === "off") {
+                    rule_args.bysetpos = parseInt($form.find("select[name*=monthly_bysetpos]").val());
+                    rule_args.byweekday = parse_weekday($form.find("select[name*=monthly_byweekday]").val());
+                }
+            } else if (freq === 'weekly') {
+                rule_args.freq = RRule.WEEKLY;
+
+                var days = [];
+                $form.find("input[name*=weekly_byweekday]:checked").each(function () {
+                    days.push(parse_weekday($(this).val()));
+                });
+                if (days.length !== 0) {
+                    rule_args.byweekday = days;
+                }
+            } else if (freq === 'daily') {
+                rule_args.freq = RRule.DAILY;
+            }
+
+            var end = $form.find("input[name*=end]:checked").val();
+            if (end === "count") {
+                rule_args.count = parseInt($form.find("input[name*=count]").val()) || 1;
+            } else {
+                var date = $form.find("input[name*=until]").data("DateTimePicker").date();
+                if (date !== null) {
+                    rule_args.until = date.toDate();
+                }
+            }
+
+            if ($form.find("input[name*=exclude]").prop("checked")) {
+                ruleset.exrule(new RRule(rule_args));
+                $form.closest(".panel").addClass("panel-danger").removeClass("panel-default");
+            } else {
+                ruleset.rrule(new RRule(rule_args));
+                $form.closest(".panel").addClass("panel-default").removeClass("panel-danger");
+            }
+        });
+
+        var all_dates = ruleset.all();
+        var format = $("body").attr("data-longdateformat") + " (dddd)";
+        $("#rrule-preview").html("");
+        if (all_dates.length > 20) {
+            $("#rrule-preview").html("");
+            all_dates.slice(0, 10).forEach(function(element) {
+                $("#rrule-preview").append($("<li>").text(moment(element).utc().format(format)));
+            });
+            $("#rrule-preview").append($("<li>").text(ngettext(
+                    "(one more date)",
+                    "({num} more dates)",
+                    all_dates.length - 20
+            ).replace(/\{num\}/g, all_dates.length - 20)));
+            all_dates.slice(-10).forEach(function(element) {
+                $("#rrule-preview").append($("<li>").text(moment(element).utc().format(format)));
+            });
+        } else {
+            all_dates.forEach(function(element) {
+                $("#rrule-preview").append($("<li>").text(moment(element).utc().format(format)));
+            });
+        }
+    }
+
+    function rrule_form_toggles($form) {
+        var freq = $form.find("select[name*=freq]").val();
+        $form.find(".repeat-yearly").toggle(freq === "yearly");
+        $form.find(".repeat-monthly").toggle(freq === "monthly");
+        $form.find(".repeat-weekly").toggle(freq === "weekly");
+    }
+
+    function rrule_bind_form($form) {
+        $form.find("select[name*=freq]").change(function () {
+            rrule_form_toggles($form);
+        });
+        rrule_form_toggles($form);
+    }
+
+    $("#rrule-formset").on("change keydown keyup keypress dp.change", "input, select", function () {
+        rrule_preview();
+    });
+    rrule_preview();
+
+    $(".rrule-form").each(function () { rrule_bind_form($(this)); });
+    $("#rrule-formset").on("formAdded", "div", function (event) { rrule_bind_form($(event.target)); });
+
     var $namef = $("input[id^=id_name]").first();
     var lastValue = $namef.val();
     $namef.change(function () {

src/pretix/static/pretixcontrol/scss/_forms.scss

@@ -296,3 +296,44 @@ table td > .checkbox input[type="checkbox"] {
   width: 100px;
   display: inline;
 }
+.form-horizontal [data-formset] .rrule-form .form-group {
+  margin: 0;
+  width: auto;
+}
+.rrule-form {
+  .form-control {
+    display: inline;
+  }
+  input[type=number] {
+    width: 100px;
+  }
+  .repeat-yearly, .repeat-monthly, .repeat-weekly {
+    line-height: 35px;
+    padding: 0 0 15px 0;
+    margin: 10px 0;
+    border-top: 1px solid $panel-default-border;
+    border-bottom: 1px solid $panel-default-border;
+
+    input[type="radio"], input[type="checkbox"] {
+      top: 2px;
+    }
+  }
+  .repeat-weekly > div.form-group {
+    display: block;
+    line-height: 1;
+    padding-top: 5px;
+
+    & > div {
+      display: flex;
+      flex-direction: row;
+      flex-wrap: wrap;
+      align-content: space-between;
+      div.checkbox {
+        flex-grow: 1;
+      }
+    }
+  }
+  .repeat-until {
+    line-height: 40px;
+  }
+}

src/tests/control/test_events.py

@@ -852,6 +852,327 @@ class SubEventsTest(SoupTest):
         assert doc.select(".alert-danger")
         assert self.event1.subevents.filter(pk=self.subevent1.pk).exists()
 
+    def test_create_bulk(self):
+        self.event1.subevents.all().delete()
+        self.event1.settings.timezone = 'Europe/Berlin'
+
+        doc = self.get_doc('/control/event/ccc/30c3/subevents/bulk_add')
+        assert doc.select("input[name=rruleformset-TOTAL_FORMS]")
+        doc = self.post_doc('/control/event/ccc/30c3/subevents/bulk_add', {
+            'rruleformset-TOTAL_FORMS': '1',
+            'rruleformset-INITIAL_FORMS': '0',
+            'rruleformset-MIN_NUM_FORMS': '0',
+            'rruleformset-MAX_NUM_FORMS': '1000',
+            'rruleformset-0-interval': '1',
+            'rruleformset-0-freq': 'yearly',
+            'rruleformset-0-dtstart': '2018-04-03',
+            'rruleformset-0-yearly_same': 'on',
+            'rruleformset-0-yearly_bysetpos': '1',
+            'rruleformset-0-yearly_byweekday': 'MO',
+            'rruleformset-0-yearly_bymonth': '1',
+            'rruleformset-0-monthly_same': 'on',
+            'rruleformset-0-monthly_bysetpos': '1',
+            'rruleformset-0-monthly_byweekday': 'MO',
+            'rruleformset-0-end': 'count',
+            'rruleformset-0-count': '10',
+            'rruleformset-0-until': '2019-04-03',
+            'name_0': 'Foo',
+            'active': 'on',
+            'time_from': '13:29:31',
+            'time_to': '15:29:31',
+            'location_0': 'Loc',
+            'time_admission': '',
+            'frontpage_text_0': '',
+            'rel_presale_start_0': 'unset',
+            'rel_presale_start_1': '',
+            'rel_presale_start_2': '1',
+            'rel_presale_start_3': 'date_from',
+            'rel_presale_start_4': '',
+            'rel_presale_end_1': '',
+            'rel_presale_end_0': 'relative',
+            'rel_presale_end_2': '1',
+            'rel_presale_end_3': 'date_from',
+            'rel_presale_end_4': '13:29:31',
+            'quotas-TOTAL_FORMS': '1',
+            'quotas-INITIAL_FORMS': '0',
+            'quotas-MIN_NUM_FORMS': '0',
+            'quotas-MAX_NUM_FORMS': '1000',
+            'quotas-0-id': '',
+            'quotas-0-name': 'Bar',
+            'quotas-0-size': '12',
+            'quotas-0-itemvars': str(self.ticket.pk),
+            'item-%d-price' % self.ticket.pk: '16',
+            'checkinlist_set-TOTAL_FORMS': '1',
+            'checkinlist_set-INITIAL_FORMS': '0',
+            'checkinlist_set-MIN_NUM_FORMS': '0',
+            'checkinlist_set-MAX_NUM_FORMS': '1000',
+            'checkinlist_set-0-id': '',
+            'checkinlist_set-0-name': 'Foo',
+            'checkinlist_set-0-limit_products': str(self.ticket.pk),
+        })
+        assert doc.select(".alert-success")
+        ses = list(self.event1.subevents.order_by('date_from'))
+        assert len(ses) == 10
+
+        assert str(ses[0].name) == "Foo"
+        assert ses[0].date_from.isoformat() == "2018-04-03T11:29:31+00:00"
+        assert ses[0].date_to.isoformat() == "2018-04-03T13:29:31+00:00"
+        assert not ses[0].presale_start
+        assert ses[0].presale_end.isoformat() == "2018-04-02T11:29:31+00:00"
+        assert ses[0].quotas.count() == 1
+        assert list(ses[0].quotas.first().items.all()) == [self.ticket]
+        assert SubEventItem.objects.get(subevent=ses[0], item=self.ticket).price == 16
+        assert ses[0].checkinlist_set.count() == 1
+
+        assert str(ses[1].name) == "Foo"
+        assert ses[1].date_from.isoformat() == "2019-04-03T11:29:31+00:00"
+        assert ses[1].date_to.isoformat() == "2019-04-03T13:29:31+00:00"
+        assert not ses[1].presale_start
+        assert ses[1].presale_end.isoformat() == "2019-04-02T11:29:31+00:00"
+        assert ses[1].quotas.count() == 1
+        assert list(ses[1].quotas.first().items.all()) == [self.ticket]
+        assert SubEventItem.objects.get(subevent=ses[0], item=self.ticket).price == 16
+        assert ses[1].checkinlist_set.count() == 1
+
+        assert ses[-1].date_from.isoformat() == "2027-04-03T11:29:31+00:00"
+
+    def test_create_bulk_daily_interval(self):
+        self.event1.subevents.all().delete()
+        self.event1.settings.timezone = 'Europe/Berlin'
+
+        doc = self.get_doc('/control/event/ccc/30c3/subevents/bulk_add')
+        assert doc.select("input[name=rruleformset-TOTAL_FORMS]")
+        doc = self.post_doc('/control/event/ccc/30c3/subevents/bulk_add', {
+            'rruleformset-TOTAL_FORMS': '1',
+            'rruleformset-INITIAL_FORMS': '0',
+            'rruleformset-MIN_NUM_FORMS': '0',
+            'rruleformset-MAX_NUM_FORMS': '1000',
+            'rruleformset-0-interval': '2',
+            'rruleformset-0-freq': 'daily',
+            'rruleformset-0-dtstart': '2018-04-03',
+            'rruleformset-0-yearly_same': 'on',
+            'rruleformset-0-yearly_bysetpos': '1',
+            'rruleformset-0-yearly_byweekday': 'MO',
+            'rruleformset-0-yearly_bymonth': '1',
+            'rruleformset-0-monthly_same': 'on',
+            'rruleformset-0-monthly_bysetpos': '1',
+            'rruleformset-0-monthly_byweekday': 'MO',
+            'rruleformset-0-end': 'until',
+            'rruleformset-0-count': '10',
+            'rruleformset-0-until': '2019-04-03',
+            'name_0': 'Foo',
+            'active': 'on',
+            'time_from': '13:29:31',
+            'time_to': '15:29:31',
+            'frontpage_text_0': '',
+            'rel_presale_start_0': 'unset',
+            'rel_presale_start_1': '',
+            'rel_presale_start_2': '1',
+            'rel_presale_start_3': 'date_from',
+            'rel_presale_start_4': '',
+            'rel_presale_end_1': '',
+            'rel_presale_end_0': 'relative',
+            'rel_presale_end_2': '1',
+            'rel_presale_end_3': 'date_from',
+            'rel_presale_end_4': '13:29:31',
+            'quotas-TOTAL_FORMS': '0',
+            'quotas-INITIAL_FORMS': '0',
+            'quotas-MIN_NUM_FORMS': '0',
+            'quotas-MAX_NUM_FORMS': '1000',
+            'checkinlist_set-TOTAL_FORMS': '0',
+            'checkinlist_set-INITIAL_FORMS': '0',
+            'checkinlist_set-MIN_NUM_FORMS': '0',
+            'checkinlist_set-MAX_NUM_FORMS': '1000',
+        })
+        assert doc.select(".alert-success")
+        ses = list(self.event1.subevents.order_by('date_from'))
+        assert len(ses) == 183
+
+        assert ses[0].date_from.isoformat() == "2018-04-03T11:29:31+00:00"
+        assert ses[110].date_from.isoformat() == "2018-11-09T12:29:31+00:00"  # DST :)
+        assert ses[-1].date_from.isoformat() == "2019-04-02T11:29:31+00:00"
+
+    def test_create_bulk_exclude(self):
+        self.event1.subevents.all().delete()
+        self.event1.settings.timezone = 'Europe/Berlin'
+
+        doc = self.get_doc('/control/event/ccc/30c3/subevents/bulk_add')
+        assert doc.select("input[name=rruleformset-TOTAL_FORMS]")
+        doc = self.post_doc('/control/event/ccc/30c3/subevents/bulk_add', {
+            'rruleformset-TOTAL_FORMS': '2',
+            'rruleformset-INITIAL_FORMS': '0',
+            'rruleformset-MIN_NUM_FORMS': '0',
+            'rruleformset-MAX_NUM_FORMS': '1000',
+            'rruleformset-0-interval': '1',
+            'rruleformset-0-freq': 'daily',
+            'rruleformset-0-dtstart': '2018-04-03',
+            'rruleformset-0-yearly_same': 'on',
+            'rruleformset-0-yearly_bysetpos': '1',
+            'rruleformset-0-yearly_byweekday': 'MO',
+            'rruleformset-0-yearly_bymonth': '1',
+            'rruleformset-0-monthly_same': 'on',
+            'rruleformset-0-monthly_bysetpos': '1',
+            'rruleformset-0-monthly_byweekday': 'MO',
+            'rruleformset-0-end': 'until',
+            'rruleformset-0-count': '10',
+            'rruleformset-0-until': '2019-04-03',
+            'rruleformset-1-interval': '1',
+            'rruleformset-1-freq': 'weekly',
+            'rruleformset-1-dtstart': '2018-04-03',
+            'rruleformset-1-yearly_same': 'on',
+            'rruleformset-1-yearly_bysetpos': '1',
+            'rruleformset-1-yearly_byweekday': 'MO',
+            'rruleformset-1-yearly_bymonth': '1',
+            'rruleformset-1-monthly_same': 'on',
+            'rruleformset-1-monthly_bysetpos': '1',
+            'rruleformset-1-monthly_byweekday': 'MO',
+            'rruleformset-1-weekly_byweekday': 'MO',
+            'rruleformset-1-end': 'until',
+            'rruleformset-1-count': '10',
+            'rruleformset-1-until': '2019-04-03',
+            'rruleformset-1-exclude': 'on',
+            'name_0': 'Foo',
+            'active': 'on',
+            'time_from': '13:29:31',
+            'time_to': '15:29:31',
+            'frontpage_text_0': '',
+            'rel_presale_start_0': 'unset',
+            'rel_presale_start_1': '',
+            'rel_presale_start_2': '1',
+            'rel_presale_start_3': 'date_from',
+            'rel_presale_start_4': '',
+            'rel_presale_end_1': '',
+            'rel_presale_end_0': 'relative',
+            'rel_presale_end_2': '1',
+            'rel_presale_end_3': 'date_from',
+            'rel_presale_end_4': '13:29:31',
+            'quotas-TOTAL_FORMS': '0',
+            'quotas-INITIAL_FORMS': '0',
+            'quotas-MIN_NUM_FORMS': '0',
+            'quotas-MAX_NUM_FORMS': '1000',
+            'checkinlist_set-TOTAL_FORMS': '0',
+            'checkinlist_set-INITIAL_FORMS': '0',
+            'checkinlist_set-MIN_NUM_FORMS': '0',
+            'checkinlist_set-MAX_NUM_FORMS': '1000',
+        })
+        assert doc.select(".alert-success")
+        ses = list(self.event1.subevents.order_by('date_from'))
+        assert len(ses) == 314
+
+        assert ses[0].date_from.isoformat() == "2018-04-03T11:29:31+00:00"
+        assert ses[5].date_from.isoformat() == "2018-04-08T11:29:31+00:00"
+        assert ses[6].date_from.isoformat() == "2018-04-10T11:29:31+00:00"
+
+    def test_create_bulk_monthly_interval(self):
+        self.event1.subevents.all().delete()
+        self.event1.settings.timezone = 'Europe/Berlin'
+
+        doc = self.post_doc('/control/event/ccc/30c3/subevents/bulk_add', {
+            'rruleformset-TOTAL_FORMS': '1',
+            'rruleformset-INITIAL_FORMS': '0',
+            'rruleformset-MIN_NUM_FORMS': '0',
+            'rruleformset-MAX_NUM_FORMS': '1000',
+            'rruleformset-0-interval': '1',
+            'rruleformset-0-freq': 'monthly',
+            'rruleformset-0-dtstart': '2018-04-03',
+            'rruleformset-0-yearly_same': 'on',
+            'rruleformset-0-yearly_bysetpos': '1',
+            'rruleformset-0-yearly_byweekday': 'MO',
+            'rruleformset-0-yearly_bymonth': '1',
+            'rruleformset-0-monthly_same': 'off',
+            'rruleformset-0-monthly_bysetpos': '-1',
+            'rruleformset-0-monthly_byweekday': 'MO,TU,WE,TH,FR',
+            'rruleformset-0-weekly_byweekday': 'TH',
+            'rruleformset-0-end': 'until',
+            'rruleformset-0-count': '10',
+            'rruleformset-0-until': '2019-04-03',
+            'name_0': 'Foo',
+            'active': 'on',
+            'time_from': '13:29:31',
+            'time_to': '15:29:31',
+            'frontpage_text_0': '',
+            'rel_presale_start_0': 'unset',
+            'rel_presale_start_1': '',
+            'rel_presale_start_2': '1',
+            'rel_presale_start_3': 'date_from',
+            'rel_presale_start_4': '',
+            'rel_presale_end_0': 'unset',
+            'rel_presale_end_1': '',
+            'rel_presale_end_2': '1',
+            'rel_presale_end_3': 'date_from',
+            'rel_presale_end_4': '13:29:31',
+            'quotas-TOTAL_FORMS': '0',
+            'quotas-INITIAL_FORMS': '0',
+            'quotas-MIN_NUM_FORMS': '0',
+            'quotas-MAX_NUM_FORMS': '1000',
+            'checkinlist_set-TOTAL_FORMS': '0',
+            'checkinlist_set-INITIAL_FORMS': '0',
+            'checkinlist_set-MIN_NUM_FORMS': '0',
+            'checkinlist_set-MAX_NUM_FORMS': '1000',
+        })
+        assert doc.select(".alert-success")
+        ses = list(self.event1.subevents.order_by('date_from'))
+        assert len(ses) == 12
+
+        assert ses[0].date_from.isoformat() == "2018-04-30T11:29:31+00:00"
+        assert ses[1].date_from.isoformat() == "2018-05-31T11:29:31+00:00"
+        assert ses[-1].date_from.isoformat() == "2019-03-29T12:29:31+00:00"
+
+    def test_create_bulk_weekly_interval(self):
+        self.event1.subevents.all().delete()
+        self.event1.settings.timezone = 'Europe/Berlin'
+
+        doc = self.post_doc('/control/event/ccc/30c3/subevents/bulk_add', {
+            'rruleformset-TOTAL_FORMS': '1',
+            'rruleformset-INITIAL_FORMS': '0',
+            'rruleformset-MIN_NUM_FORMS': '0',
+            'rruleformset-MAX_NUM_FORMS': '1000',
+            'rruleformset-0-interval': '1',
+            'rruleformset-0-freq': 'weekly',
+            'rruleformset-0-dtstart': '2018-04-03',
+            'rruleformset-0-yearly_same': 'on',
+            'rruleformset-0-yearly_bysetpos': '1',
+            'rruleformset-0-yearly_byweekday': 'MO',
+            'rruleformset-0-yearly_bymonth': '1',
+            'rruleformset-0-monthly_same': 'on',
+            'rruleformset-0-monthly_bysetpos': '-1',
+            'rruleformset-0-monthly_byweekday': 'MO,TU,WE,TH,FR',
+            'rruleformset-0-weekly_byweekday': 'TH',
+            'rruleformset-0-end': 'until',
+            'rruleformset-0-count': '10',
+            'rruleformset-0-until': '2019-04-03',
+            'name_0': 'Foo',
+            'active': 'on',
+            'time_from': '13:29:31',
+            'time_to': '15:29:31',
+            'frontpage_text_0': '',
+            'rel_presale_start_0': 'unset',
+            'rel_presale_start_1': '',
+            'rel_presale_start_2': '1',
+            'rel_presale_start_3': 'date_from',
+            'rel_presale_start_4': '',
+            'rel_presale_end_0': 'unset',
+            'rel_presale_end_1': '',
+            'rel_presale_end_2': '1',
+            'rel_presale_end_3': 'date_from',
+            'rel_presale_end_4': '13:29:31',
+            'quotas-TOTAL_FORMS': '0',
+            'quotas-INITIAL_FORMS': '0',
+            'quotas-MIN_NUM_FORMS': '0',
+            'quotas-MAX_NUM_FORMS': '1000',
+            'checkinlist_set-TOTAL_FORMS': '0',
+            'checkinlist_set-INITIAL_FORMS': '0',
+            'checkinlist_set-MIN_NUM_FORMS': '0',
+            'checkinlist_set-MAX_NUM_FORMS': '1000',
+        })
+        assert doc.select(".alert-success")
+        ses = list(self.event1.subevents.order_by('date_from'))
+        assert len(ses) == 52
+
+        assert ses[0].date_from.isoformat() == "2018-04-05T11:29:31+00:00"
+        assert ses[1].date_from.isoformat() == "2018-04-12T11:29:31+00:00"
+        assert ses[-1].date_from.isoformat() == "2019-03-28T12:29:31+00:00"
+
 
 class EventDeletionTest(SoupTest):
     def setUp(self):