Log view: New filter form (#6412)

* Rework filter form for event log view

* Log view: New filter form

* isort

* Update src/pretix/control/forms/filter.py

Co-authored-by: luelista <weller@rami.io>

---------

Co-authored-by: luelista <weller@rami.io>

src/pretix/control/views/organizer.py

@@ -113,7 +113,8 @@ from pretix.base.views.tasks import AsyncAction
 from pretix.control.forms.exports import ScheduledOrganizerExportForm
 from pretix.control.forms.filter import (
     CustomerFilterForm, DeviceFilterForm, EventFilterForm, GiftCardFilterForm,
-    OrganizerFilterForm, ReusableMediaFilterForm, TeamFilterForm,
+    LogFilterForm, OrganizerFilterForm, ReusableMediaFilterForm,
+    TeamFilterForm,
 )
 from pretix.control.forms.orders import ExporterForm
 from pretix.control.forms.organizer import (
@@ -2672,16 +2673,21 @@ class LogView(OrganizerPermissionRequiredMixin, PaginationMixin, ListView):
             'user', 'content_type', 'api_token', 'oauth_application', 'device'
         ).order_by('-datetime')
         qs = qs.exclude(action_type__in=OVERVIEW_BANLIST)
-        if self.request.GET.get('action_type'):
-            qs = qs.filter(action_type=self.request.GET['action_type'])
-        if self.request.GET.get('user'):
-            qs = qs.filter(user_id=self.request.GET.get('user'))
+
+        if self.filter_form.is_valid():
+            qs = self.filter_form.filter_qs(qs)
+
         return qs
 
     def get_context_data(self, **kwargs):
         ctx = super().get_context_data()
+        ctx['filter_form'] = self.filter_form
         return ctx
 
+    @cached_property
+    def filter_form(self):
+        return LogFilterForm(data=self.request.GET, organizer=self.request.organizer)
+
 
 class MembershipTypeListView(OrganizerDetailViewMixin, OrganizerPermissionRequiredMixin, ListView):
     model = MembershipType