Default group required

* adds access checks depending on the current group confgiguration of a user
* removes buttons for adding/editing or removing data if default group is not set for a user
* removes buttons for adding/removing related data in unshared interventions
* removes shared-user setting from share menu of an intervention if user is not zb or ets
* renames has_access() from intervention Model into is_shared_with() for more clarity
* fixes bug in group check in_group() from utils.py

intervention/forms.py

@@ -18,7 +18,8 @@ from intervention.models import Intervention
 from konova.enums import UserActionLogEntryEnum
 from konova.forms import BaseForm, BaseModalForm
 from konova.models import Document
-from konova.settings import DEFAULT_LAT, DEFAULT_LON, DEFAULT_ZOOM
+from konova.settings import DEFAULT_LAT, DEFAULT_LON, DEFAULT_ZOOM, ZB_GROUP, ETS_GROUP
+from konova.utils.user_checks import in_group
 from organisation.models import Organisation
 from user.models import UserActionLogEntry
 
@@ -293,18 +294,22 @@ class ShareInterventionForm(BaseModalForm):
         )
 
         # Initialize users field
-        users = self.instance.users.all()
-        choices = []
-        for n in users:
-            choices.append(
-                (n.id, n.username)
+        # Remove field if user is not in registration or conservation group
+        if not in_group(self.request.user, ZB_GROUP) and not in_group(self.request.user, ETS_GROUP):
+            del self.fields["users"]
+        else:
+            users = self.instance.users.all()
+            choices = []
+            for n in users:
+                choices.append(
+                    (n.id, n.username)
+                )
+            self.fields["users"].choices = choices
+            u_ids = list(users.values_list("id", flat=True))
+            self.initialize_form_field(
+                "users",
+                u_ids
             )
-        self.fields["users"].choices = choices
-        u_ids = list(users.values_list("id", flat=True))
-        self.initialize_form_field(
-            "users",
-            u_ids
-        )
 
     def save(self):
         accessing_users = User.objects.filter(