Refactoring

* moves updating of shared access users into Intervention

intervention/forms/modalForms.py

@@ -10,16 +10,14 @@ from django.contrib.auth.models import User
 from django.db import transaction
 from django import forms
 from django.urls import reverse
-from django.utils.translation import  gettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 
-from compensation.models import EcoAccount, EcoAccountDeduction
+from compensation.models import EcoAccount
 from intervention.inputs import TextToClipboardInput
-from intervention.models import Revocation, RevocationDocument, Intervention, InterventionDocument
+from intervention.models import Intervention, InterventionDocument
 from konova.forms import BaseModalForm, NewDocumentForm
 from konova.utils.general import format_german_float
-from konova.utils.messenger import Messenger
 from konova.utils.user_checks import is_default_group_only
-from user.models import UserActionLogEntry, UserAction
 
 
 class ShareInterventionModalForm(BaseModalForm):
@@ -118,13 +116,7 @@ class ShareInterventionModalForm(BaseModalForm):
         )
 
     def save(self):
-        still_accessing_users = self.cleaned_data["users"]
-        new_accessing_users = list(self.cleaned_data["user_select"].values_list("id", flat=True))
-        accessing_users = still_accessing_users + new_accessing_users
-        users = User.objects.filter(
-            id__in=accessing_users
-        )
-        self.instance.share_with_list(users)
+        self.instance.update_sharing_user(self)
 
 
 class NewRevocationModalForm(BaseModalForm):