Autocomplete refactoring

* refactors konova/autocompletes.py by splitting into individual files and moving them to fitting apps
     * autocomplete files now live in APPNAME/autocomplete/...

intervention/autocomplete/__init__.py

@@ -0,0 +1,7 @@
+"""
+Author: Michel Peltriaux
+Organization: Struktur- und Genehmigungsdirektion Nord, Rhineland-Palatinate, Germany
+Contact: ksp-servicestelle@sgdnord.rlp.de
+Created on: 18.08.22
+
+"""

intervention/autocomplete/intervention.py

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+"""
+Author: Michel Peltriaux
+Organization: Struktur- und Genehmigungsdirektion Nord, Rhineland-Palatinate, Germany
+Contact: ksp-servicestelle@sgdnord.rlp.de
+Created on: 18.08.22
+
+"""
+from dal_select2.views import Select2QuerySetView
+from django.db.models import Q
+
+from intervention.models import Intervention
+
+
+class InterventionAutocomplete(Select2QuerySetView):
+    """ Autocomplete for intervention entries
+
+    Only returns entries that are accessible for the requesting user
+
+    """
+    def get_queryset(self):
+        user = self.request.user
+        if user.is_anonymous:
+            return Intervention.objects.none()
+        qs = Intervention.objects.filter(
+            Q(deleted=None) &
+            Q(users__in=[user]) |
+            Q(teams__in=user.teams.all())
+        ).order_by(
+            "identifier"
+        ).distinct()
+        if self.q:
+            qs = qs.filter(
+                Q(identifier__icontains=self.q) |
+                Q(title__icontains=self.q)
+            ).distinct()
+        return qs