Allow to bulk-select many tickets to check in or out (#2678)

* Allow to bulk-select many tickets to check in or out

* Update tests

* Add permission test

* Update src/pretix/control/templates/pretixcontrol/checkin/index.html

Co-authored-by: Richard Schreiber <wiffbi@gmail.com>

* Update src/pretix/static/pretixbase/js/asynctask.js

Co-authored-by: Richard Schreiber <wiffbi@gmail.com>

* Remove console.warn

* Simplify stuff

* minor refactor

* fix missing checked-out success message

Co-authored-by: Richard Schreiber <wiffbi@gmail.com>
Co-authored-by: Richard Schreiber <schreiber@rami.io>

src/pretix/base/views/tasks.py

@@ -29,12 +29,13 @@ from celery.result import AsyncResult
 from django.conf import settings
 from django.contrib import messages
 from django.core.exceptions import ValidationError
-from django.http import JsonResponse, QueryDict
+from django.http import HttpResponse, JsonResponse, QueryDict
 from django.shortcuts import redirect, render
 from django.test import RequestFactory
 from django.utils import timezone, translation
 from django.utils.timezone import get_current_timezone
 from django.utils.translation import get_language, gettext as _
+from django.views import View
 from django.views.generic import FormView
 from redis import ResponseError
 
@@ -312,3 +313,94 @@ class AsyncFormView(AsyncMixin, FormView):
                 else:
                     return self.error(res.info)
             return redirect(self.get_check_url(res.id, False))
+
+
+class AsyncPostView(AsyncMixin, View):
+    """
+    View variant in which instead of ``post``, an ``async_post`` is executed in a celery task.
+    Note that this places some severe limitations on the form and the view, e.g. ``async_post`` may not
+    depend on the request object unless specifically supported by this class. File upload is currently also
+    not supported.
+    """
+    known_errortypes = ['ValidationError']
+    expected_exceptions = (ValidationError,)
+    task_base = ProfiledEventTask
+
+    def __init_subclass__(cls):
+        def async_execute(self, *, request_path, url_args, url_kwargs, query_string, post_data, locale, tz,
+                          organizer=None, event=None, user=None, session_key=None):
+            view_instance = cls()
+            req = RequestFactory().post(
+                request_path + '?' + query_string,
+                data=post_data,
+                content_type='application/x-www-form-urlencoded'
+            )
+            view_instance.request = req
+            if event:
+                view_instance.request.event = event
+                view_instance.request.organizer = event.organizer
+            elif organizer:
+                view_instance.request.organizer = organizer
+            if user:
+                view_instance.request.user = User.objects.get(pk=user) if isinstance(user, int) else user
+            if session_key:
+                engine = import_module(settings.SESSION_ENGINE)
+                self.SessionStore = engine.SessionStore
+                view_instance.request.session = self.SessionStore(session_key)
+
+            with translation.override(locale), timezone.override(pytz.timezone(tz)):
+                return view_instance.async_post(view_instance.request, *url_args, **url_kwargs)
+
+        cls.async_execute = app.task(
+            base=cls.task_base,
+            bind=True,
+            name=cls.__module__ + '.' + cls.__name__ + '.async_execute',
+            throws=cls.expected_exceptions
+        )(async_execute)
+
+    def async_post(self, request, *args, **kwargs):
+        pass
+
+    def get(self, request, *args, **kwargs):
+        if 'async_id' in request.GET and settings.HAS_CELERY:
+            return self.get_result(request)
+        return HttpResponse(status=405)
+
+    def post(self, request, *args, **kwargs):
+        if request.FILES:
+            raise TypeError('File upload currently not supported in AsyncPostView')
+        kwargs = {
+            'request_path': self.request.path,
+            'query_string': self.request.GET.urlencode(),
+            'post_data': self.request.POST.urlencode(),
+            'locale': get_language(),
+            'url_args': args,
+            'url_kwargs': kwargs,
+            'tz': get_current_timezone().zone,
+        }
+        if hasattr(self.request, 'organizer'):
+            kwargs['organizer'] = self.request.organizer.pk
+        if self.request.user.is_authenticated:
+            kwargs['user'] = self.request.user.pk
+        if hasattr(self.request, 'event'):
+            kwargs['event'] = self.request.event.pk
+        if hasattr(self.request, 'session'):
+            kwargs['session_key'] = self.request.session.session_key
+
+        try:
+            res = type(self).async_execute.apply_async(kwargs=kwargs)
+        except ConnectionError:
+            # Task very likely not yet sent, due to redis restarting etc. Let's try once again
+            res = type(self).async_execute.apply_async(kwargs=kwargs)
+
+        if 'ajax' in self.request.GET or 'ajax' in self.request.POST:
+            data = self._return_ajax_result(res)
+            data['check_url'] = self.get_check_url(res.id, True)
+            return JsonResponse(data)
+        else:
+            if res.ready():
+                if res.successful() and not isinstance(res.info, Exception):
+                    return self.success(res.info)
+                else:
+                    return self.error(res.info)
+            return redirect(self.get_check_url(res.id, False))

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

@@ -71,13 +71,20 @@
             </p>
         </div>
     {% else %}
-        <form method="post" action="">
+        <form method="post" action="{% url "control:event.orders.checkinlists.bulk_action" event=request.event.slug organizer=request.event.organizer.slug list=checkinlist.pk %}" data-asynctask>
+            <div class="hidden">
+                {{ filter_form.as_p }}
+                <input name="returnquery" type="hidden" value="{{ request.META.QUERY_STRING }}">
+            </div>
            {% csrf_token %}
             <div class="table-responsive">
                 <table class="table table-condensed table-hover">
                     <thead>
                     <tr>
-                        <th></th>
+                        <th>
+                            <label aria-label="{% trans "select all rows for batch-operation" %}"
+                                   class="batch-select-label"><input type="checkbox" data-toggle-table/></label>
+                        </th>
                         <th>{% trans "Order code" %} <a href="?{% url_replace request 'ordering' '-code'%}"><i class="fa fa-caret-down"></i></a>
                       <a href="?{% url_replace request 'ordering' 'code'%}"><i class="fa fa-caret-up"></i></a></th>
                         <th>{% trans "Item" %} <a href="?{% url_replace request 'ordering' '-item'%}"><i class="fa fa-caret-down"></i></a>
@@ -100,6 +107,19 @@
                         <th>{% trans "Timestamp" %} <a href="?{% url_replace request 'ordering' '-timestamp'%}"><i class="fa fa-caret-down"></i></a>
                       <a href="?{% url_replace request 'ordering' 'timestamp'%}"><i class="fa fa-caret-up"></i></a></th>
                     </tr>
+                    {% if page_obj.paginator.num_pages > 1 %}
+                        <tr class="table-select-all warning hidden">
+                            <td>
+                                <input type="checkbox" name="__ALL" id="__all"
+                                       data-results-total="{{ page_obj.paginator.count }}">
+                            </td>
+                            <td colspan="8">
+                                <label for="__all">
+                                    {% trans "Select all results on other pages as well" %}
+                                </label>
+                            </td>
+                        </tr>
+                    {% endif %}
                     </thead>
                     <tbody>
                     {% for e in entries %}
@@ -180,13 +200,16 @@
             </div>
             {% if "can_change_orders" in request.eventpermset %}
                 <button type="submit" class="btn btn-primary btn-save">
+                    <span class="fa fa-sign-in" aria-hidden="true"></span>
                     {% trans "Check-In selected attendees" %}
                 </button>
                 <button type="submit" class="btn btn-default btn-save" name="checkout" value="true">
+                    <span class="fa fa-sign-out" aria-hidden="true"></span>
                     {% trans "Check-Out selected attendees" %}
                 </button>
-                <button type="submit" class="btn btn-default btn-save" name="revert" value="true">
-                    {% trans "Revert selected check-ins" %}
+                <button type="submit" class="btn btn-danger btn-save" name="revert" value="true">
+                    <span class="fa fa-trash" aria-hidden="true"></span>
+                    {% trans "Delete all check-ins of selected attendees" %}
                 </button>
             {% endif %}
         </form>

src/pretix/control/urls.py

@@ -392,6 +392,7 @@ urlpatterns = [
         re_path(r'^checkinlists/add$', checkin.CheckinListCreate.as_view(), name='event.orders.checkinlists.add'),
         re_path(r'^checkinlists/select2$', typeahead.checkinlist_select2, name='event.orders.checkinlists.select2'),
         re_path(r'^checkinlists/(?P<list>\d+)/$', checkin.CheckInListShow.as_view(), name='event.orders.checkinlists.show'),
+        re_path(r'^checkinlists/(?P<list>\d+)/bulk_action$', checkin.CheckInListBulkActionView.as_view(), name='event.orders.checkinlists.bulk_action'),
         re_path(r'^checkinlists/(?P<list>\d+)/change$', checkin.CheckinListUpdate.as_view(),
                 name='event.orders.checkinlists.edit'),
         re_path(r'^checkinlists/(?P<list>\d+)/delete$', checkin.CheckinListDelete.as_view(),

src/pretix/control/views/checkin.py

@@ -37,7 +37,7 @@ from django.contrib import messages
 from django.db import transaction
 from django.db.models import Exists, Max, OuterRef, Prefetch, Subquery
 from django.http import Http404, HttpResponseRedirect
-from django.shortcuts import get_object_or_404, redirect
+from django.shortcuts import get_object_or_404
 from django.urls import reverse
 from django.utils.functional import cached_property
 from django.utils.timezone import is_aware, make_aware, now
@@ -49,6 +49,7 @@ from pretix.base.channels import get_all_sales_channels
 from pretix.base.models import Checkin, Order, OrderPosition
 from pretix.base.models.checkin import CheckinList
 from pretix.base.signals import checkin_created
+from pretix.base.views.tasks import AsyncPostView
 from pretix.control.forms.checkin import CheckinListForm
 from pretix.control.forms.filter import (
     CheckinFilterForm, CheckinListAttendeeFilterForm,
@@ -58,11 +59,13 @@ from pretix.control.views import CreateView, PaginationMixin, UpdateView
 from pretix.helpers.models import modelcopy
 
 
-class CheckInListShow(EventPermissionRequiredMixin, PaginationMixin, ListView):
-    model = Checkin
-    context_object_name = 'entries'
-    template_name = 'pretixcontrol/checkin/index.html'
-    permission = 'can_view_orders'
+class CheckInListQueryMixin:
+
+    @cached_property
+    def request_data(self):
+        if self.request.method == "POST":
+            return self.request.POST
+        return self.request.GET
 
     def get_queryset(self, filter=True):
         cqs = Checkin.objects.filter(
@@ -105,16 +108,28 @@ class CheckInListShow(EventPermissionRequiredMixin, PaginationMixin, ListView):
         if filter and self.filter_form.is_valid():
             qs = self.filter_form.filter_qs(qs)
 
+        if 'checkin' in self.request_data and '__ALL' not in self.request_data:
+            qs = qs.filter(
+                id__in=self.request_data.getlist('checkin')
+            )
+
         return qs
 
     @cached_property
     def filter_form(self):
         return CheckinListAttendeeFilterForm(
-            data=self.request.GET,
+            data=self.request_data,
             event=self.request.event,
             list=self.list
         )
 
+
+class CheckInListShow(EventPermissionRequiredMixin, PaginationMixin, CheckInListQueryMixin, ListView):
+    model = Checkin
+    context_object_name = 'entries'
+    template_name = 'pretixcontrol/checkin/index.html'
+    permission = 'can_view_orders'
+
     def dispatch(self, request, *args, **kwargs):
         self.list = get_object_or_404(self.request.event.checkin_lists.all(), pk=kwargs.get("list"))
         return super().dispatch(request, *args, **kwargs)
@@ -153,18 +168,23 @@ class CheckInListShow(EventPermissionRequiredMixin, PaginationMixin, ListView):
                     e.last_exit_aware = e.last_exit
         return ctx
 
-    def post(self, request, *args, **kwargs):
-        if "can_change_orders" not in request.eventpermset:
-            messages.error(request, _('You do not have permission to perform this action.'))
-            return redirect(reverse('control:event.orders.checkins', kwargs={
-                'event': self.request.event.slug,
-                'organizer': self.request.event.organizer.slug
-            }) + '?' + request.GET.urlencode())
 
-        positions = self.get_queryset(filter=False).filter(
-            pk__in=request.POST.getlist('checkin')
-        )
+class CheckInListBulkActionView(CheckInListQueryMixin, EventPermissionRequiredMixin, AsyncPostView):
+    template_name = 'pretixcontrol/organizers/device_bulk_edit.html'
+    permission = 'can_change_orders'
+    context_object_name = 'device'
 
+    def dispatch(self, request, *args, **kwargs):
+        self.list = get_object_or_404(self.request.event.checkin_lists.all(), pk=kwargs.get("list"))
+        return super().dispatch(request, *args, **kwargs)
+
+    def get_queryset(self):
+        return super().get_queryset().prefetch_related(None).order_by()
+
+    @transaction.atomic()
+    def async_post(self, request, *args, **kwargs):
+        self.list = get_object_or_404(request.event.checkin_lists.all(), pk=kwargs.get("list"))
+        positions = self.get_queryset()
         if request.POST.get('revert') == 'true':
             for op in positions:
                 if op.order.status == Order.STATUS_PAID or (self.list.include_pending and op.order.status == Order.STATUS_PENDING):
@@ -177,7 +197,7 @@ class CheckInListShow(EventPermissionRequiredMixin, PaginationMixin, ListView):
                     }, user=request.user)
                     op.order.touch()
 
-            messages.success(request, _('The selected check-ins have been reverted.'))
+            return 'reverted', request.POST.get('returnquery')
         else:
             for op in positions:
                 if op.order.status == Order.STATUS_PAID or (self.list.include_pending and op.order.status == Order.STATUS_PENDING):
@@ -206,14 +226,22 @@ class CheckInListShow(EventPermissionRequiredMixin, PaginationMixin, ListView):
                         'web': True
                     }, user=request.user)
                     checkin_created.send(op.order.event, checkin=ci)
+            return 'checked-out' if t == Checkin.TYPE_EXIT else 'checked-in', request.POST.get('returnquery')
 
-            messages.success(request, _('The selected tickets have been marked as checked in.'))
+    def get_success_message(self, value):
+        if value[0] == 'reverted':
+            return _('The selected check-ins have been reverted.')
+        elif value[0] == 'checked-out':
+            return _('The selected tickets have been marked as checked out.')
+        else:
+            return _('The selected tickets have been marked as checked in.')
 
-        return redirect(reverse('control:event.orders.checkinlists.show', kwargs={
+    def get_success_url(self, value):
+        return reverse('control:event.orders.checkinlists.show', kwargs={
             'event': self.request.event.slug,
             'organizer': self.request.event.organizer.slug,
             'list': self.list.pk
-        }) + '?' + request.GET.urlencode())
+        }) + ('?' + value[1] if value[1] else '')
 
 
 class CheckinListList(EventPermissionRequiredMixin, PaginationMixin, ListView):

src/pretix/control/views/organizer.py

@@ -830,7 +830,7 @@ class DeviceQueryMixin:
 
     @cached_property
     def filter_form(self):
-        return DeviceFilterForm(data=self.request.GET, request=self.request)
+        return DeviceFilterForm(data=self.request_data, request=self.request)
 
     def get_queryset(self):
         qs = self.request.organizer.devices.prefetch_related(

src/pretix/static/pretixbase/js/asynctask.js

@@ -218,14 +218,17 @@ $(function () {
             'this page and try again.'
         ));
 
-
-        console.log($(this).get(0))
-        var formData = new FormData($(this).get(0))
+        var formData = new FormData(this);
         formData.append('ajax', '1');
+        // Not supported on IE, may lead to wrong results, but we don't support IE in the backend anymore
+        var submitter = e.originalEvent.submitter;
+        if (submitter && submitter.name) {
+            formData.append(submitter.name, submitter.value);
+        }
         $.ajax(
             {
                 'type': 'POST',
-                'url': $(this).attr('action'),
+                'url': this.action,
                 'data': formData,
                 processData: false,
                 contentType: false,