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/views.py

@@ -11,6 +11,7 @@ from konova.contexts import BaseContext
 from konova.decorators import *
 from konova.forms import SimpleGeomForm, NewDocumentForm, RemoveModalForm
 from konova.utils.message_templates import FORM_INVALID
+from konova.utils.user_checks import in_group
 
 
 @login_required
@@ -45,6 +46,7 @@ def index_view(request: HttpRequest):
 
 
 @login_required
+@default_group_required
 def new_view(request: HttpRequest):
     """
     Renders a view for a new intervention creation
@@ -130,7 +132,8 @@ def open_view(request: HttpRequest, id: str):
     compensations = intervention.compensations.filter(
         deleted=None,
     )
-    has_access = intervention.has_access(user=request.user)
+    _user = request.user
+    is_data_shared = intervention.is_shared_with(user=_user)
 
     geom_form = SimpleGeomForm(
         instance=intervention
@@ -139,11 +142,14 @@ def open_view(request: HttpRequest, id: str):
     context = {
         "intervention": intervention,
         "compensations": compensations,
-        "has_access": has_access,
+        "has_access": is_data_shared,
         "geom_form": geom_form,
+        "is_default_member": in_group(_user, _(DEFAULT_GROUP)),
+        "is_zb_member": in_group(_user, _(ZB_GROUP)),
+        "is_ets_member": in_group(_user, _(ETS_GROUP)),
     }
 
-    if not has_access:
+    if not is_data_shared:
         messages.info(request, _("Remember: This data has not been shared with you, yet. This means you can only read but can not edit or perform any actions like running a check or recording."))
 
     context = BaseContext(request, context).context
@@ -180,6 +186,7 @@ def edit_view(request: HttpRequest, id: str):
 
 
 @login_required
+@default_group_required
 def remove_view(request: HttpRequest, id: str):
     """ Renders a remove view for this intervention
 
@@ -219,7 +226,7 @@ def share_view(request: HttpRequest, id: str, token: str):
     # Check tokens
     if intervention.access_token == token:
         # Send different messages in case user has already been added to list of sharing users
-        if intervention.has_access(user):
+        if intervention.is_shared_with(user):
             messages.info(
                 request,
                 _("{} has already been shared with you").format(intervention.identifier)
@@ -251,7 +258,6 @@ def create_share_view(request: HttpRequest, id: str):
     Returns:
 
     """
-    user = request.user
     intervention = get_object_or_404(Intervention, id=id)
     form = ShareInterventionForm(request.POST or None, instance=intervention, request=request)
     if request.method == "POST":