Add sub-events and relative date settings (#503)

* Data model

* little crud

* SubEventItemForm etc

* Drop SubEventItem.active, quota editor

* Fix failing tests

* First frontend stuff

* Addons form stuff

* Quota calculation

* net price display on EventIndex

* Add tests, solve some bugs

* Correct quota selection in more places, consolidate pricing logic

* Fix failing quota tests

* Fix TypeError

* Add tests for checkout

* Fixed a bug in QuotaForm

* Prevent immutable cart if a quota was removed from an item

* Add tests for pricing

* Handle waiting list

* Filter in check-in list

* Fixed import lost in rebase

* Fix waiting list widget

* Voucher management

* Voucher redemption

* Fix broken tests

* Add subevents to OrderChangeManager

* Create a subevent during event creation

* Fix bulk voucher creation

* Introduce subevent.active

* Copy from for subevents

* Show active in list

* ICal download for subevents

* Check start and end of presale

* Failing tests / show cart logic

* Test

* Rebase migrations

* REST API integration of sub-events

* Integrate quota calculation into the traditional quota form

* Make subevent argument to add_position optional

* Log-display foo

* pretixdroid and subevents

* Filter by subevent

* Add more tests

* Some mor tests

* Rebase fixes

* More tests

* Relative dates

* Restrict selection in relative datetime widgets

* Filter subevent list

* Re-label has_subevents

* Rebase fixes, subevents in calendar view

* Performance and caching issues

* Refactor calendar templates

* Permission tests

* Calendar fixes and month selection

* subevent selection

* Rename subevents to dates

* Add tests for calendar views

src/pretix/plugins/sendmail/forms.py

@@ -1,15 +1,22 @@
 from django import forms
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import pgettext_lazy, ugettext_lazy as _
 from i18nfield.forms import I18nFormField, I18nTextarea, I18nTextInput
 
 from pretix.base.forms import PlaceholderValidator
 from pretix.base.models import Order
+from pretix.base.models.event import SubEvent
 
 
 class MailForm(forms.Form):
     sendto = forms.MultipleChoiceField()  # overridden later
     subject = forms.CharField(label=_("Subject"))
     message = forms.CharField(label=_("Message"))
+    subevent = forms.ModelChoiceField(
+        SubEvent.objects.none(),
+        label=_('Only send to customers of'),
+        required=False,
+        empty_label=pgettext_lazy('subevent', 'All dates')
+    )
 
     def __init__(self, *args, **kwargs):
         event = kwargs.pop('event')
@@ -35,3 +42,7 @@ class MailForm(forms.Form):
             label=_("Send to"), widget=forms.CheckboxSelectMultiple,
             choices=choices
         )
+        if event.has_subevents:
+            self.fields['subevent'].queryset = event.subevents.all()
+        else:
+            del self.fields['subevent']

src/pretix/plugins/sendmail/templates/pretixplugins/sendmail/history.html

@@ -9,17 +9,20 @@
             {% for log in logs %}
                 <li class="list-group-item logentry">
                     <p class="meta">
-                        <span class="fa fa-clock-o"></span> {{ log.datetime|date:"SHORT_DATETIME_FORMAT" }}
+                        <span class="fa fa-clock-o fa-fw"></span> {{ log.datetime|date:"SHORT_DATETIME_FORMAT" }}
                         {% if log.user %}
-                            <br/><span class="fa fa-user"></span> {{ log.user.get_full_name }}
+                            <br/><span class="fa fa-user fa-fw"></span> {{ log.user.get_full_name }}
                         {% endif %}
                         {% if log.display %}
-                            <br/><span class="fa fa-comment-o"></span> {{ log.display }}
+                            <br/><span class="fa fa-comment-o fa-fw"></span> {{ log.display }}
                         {% endif %}
-                        <br/><span class="fa fa-shopping-cart"></span> {% trans "Sent to orders:" %}
+                        <br/><span class="fa fa-shopping-cart fa-fw"></span> {% trans "Sent to orders:" %}
                         {% for status in log.parsed_data.sendto %}
                             {{ status }}{% if forloop.revcounter > 1 %},{% endif %}
                         {% endfor %}
+                        {% if log.pdata.subevent_obj %}
+                            <br/><span class="fa fa-calendar fa-fw"></span> {{ log.pdata.subevent_obj }}
+                        {% endif %}
                     </p>
                     <p>
                         {% for locale, value in log.pdata.locales.items %}

src/pretix/plugins/sendmail/templates/pretixplugins/sendmail/send_form.html

@@ -8,6 +8,9 @@
         <form class="form-horizontal" method="post" action="">
             {% csrf_token %}
             {% bootstrap_field form.sendto layout='horizontal' %}
+            {% if form.subevent %}
+                {% bootstrap_field form.subevent layout='horizontal' %}
+            {% endif %}
             {% bootstrap_field form.subject layout='horizontal' %}
             {% bootstrap_field form.message layout='horizontal' %}
             {% if request.method == "POST" %}

src/pretix/plugins/sendmail/views.py

@@ -13,6 +13,7 @@ from django.views.generic import FormView, ListView
 
 from pretix.base.i18n import LazyI18nString, language
 from pretix.base.models import InvoiceAddress, LogEntry, Order
+from pretix.base.models.event import SubEvent
 from pretix.base.services.mail import SendMailException, mail
 from pretix.control.permissions import EventPermissionRequiredMixin
 from pretix.multidomain.urlreverse import build_absolute_uri
@@ -43,6 +44,13 @@ class SenderView(EventPermissionRequiredMixin, FormView):
                     'subject': LazyI18nString(logentry.parsed_data['subject']),
                     'sendto': logentry.parsed_data['sendto'],
                 }
+                if logentry.parsed_data.get('subevent'):
+                    try:
+                        kwargs['initial']['subevent'] = self.request.event.subevents.get(
+                            pk=logentry.parsed_data['subevent']['id']
+                        )
+                    except SubEvent.DoesNotExist:
+                        pass
             except LogEntry.DoesNotExist:
                 raise Http404(_('You supplied an invalid log entry ID'))
         return kwargs
@@ -57,6 +65,8 @@ class SenderView(EventPermissionRequiredMixin, FormView):
         if 'overdue' in form.cleaned_data['sendto']:
             statusq |= Q(status=Order.STATUS_PENDING, expires__lt=now())
         orders = qs.filter(statusq)
+        if form.cleaned_data.get('subevent'):
+            orders = orders.filter(positions__subevent__in=(form.cleaned_data.get('subevent'),)).distinct()
 
         tz = pytz.timezone(self.request.event.settings.timezone)
 
@@ -119,7 +129,7 @@ class SenderView(EventPermissionRequiredMixin, FormView):
                         data={
                             'subject': form.cleaned_data['subject'],
                             'message': form.cleaned_data['message'],
-                            'recipient': o.email
+                            'recipient': o.email,
                         }
                     )
             except SendMailException:
@@ -175,5 +185,10 @@ class EmailHistoryView(EventPermissionRequiredMixin, ListView):
             log.pdata['sendto'] = [
                 status[s] for s in log.pdata['sendto']
             ]
+            if log.pdata.get('subevent'):
+                try:
+                    log.pdata['subevent_obj'] = self.request.event.subevents.get(pk=log.pdata['subevent']['id'])
+                except SubEvent.DoesNotExist:
+                    pass
 
         return ctx