Add new signal pretix.control.signals.order_search_filter_q

src/pretix/control/forms/filter.py

@@ -18,6 +18,7 @@ from pretix.base.models import (
 )
 from pretix.base.signals import register_payment_providers
 from pretix.control.forms.widgets import Select2
+from pretix.control.signals import order_search_filter_q
 from pretix.helpers.database import FixedOrderBy, rolledback_transaction
 from pretix.helpers.i18n import i18ncomp
 
@@ -139,7 +140,7 @@ class OrderFilterForm(FilterForm):
                 )
             ).values('id')
 
-            qs = qs.annotate(has_pos=Exists(matching_positions)).filter(
+            mainq = (
                 code
                 | Q(email__icontains=u)
                 | Q(invoice_address__name_cached__icontains=u)
@@ -148,6 +149,11 @@ class OrderFilterForm(FilterForm):
                 | Q(comment__icontains=u)
                 | Q(has_pos=True)
             )
+            for recv, q in order_search_filter_q.send(sender=getattr(self, 'event', None), query=u):
+                mainq = mainq | q
+            qs = qs.annotate(has_pos=Exists(matching_positions)).filter(
+                mainq
+            )
 
         if fdata.get('status'):
             s = fdata.get('status')

src/pretix/control/signals.py

@@ -301,3 +301,14 @@ oauth_application_registered = Signal(
 """
 This signal will be called whenever a user registers a new OAuth application.
 """
+
+order_search_filter_q = Signal(
+    providing_args=["query"]
+)
+"""
+This signal will be called whenever a free-text order search is performed. You are expected to return one
+Q object that will be OR-ed with existing search queries. As order search exists on a global level as well,
+this is not an Event signal and will be called even if your plugin is not active. ``sender`` will contain the
+event if the search is performed within an event, and ``None`` otherwise. The search query will be passed as
+``query``.
+"""