#101 Team sharing tests

* adds tests for team sharing
* extends the API for team sharing support
* adds shared_teams property shortcut for ShareableObjectMixin
* adds full support for team-based sharing to all views and functions
* simplifies ShareModalForm
* adds/updates translations

api/views/views.py

@@ -19,7 +19,7 @@ from ema.models import Ema
 from intervention.models import Intervention
 from konova.utils.message_templates import DATA_UNSHARED
 from konova.utils.user_checks import is_default_group_only
-from user.models import User
+from user.models import User, Team
 
 
 class AbstractAPIView(View):
@@ -198,13 +198,21 @@ class AbstractModelShareAPIView(AbstractAPIView):
         """
         try:
             users = self._get_shared_users_of_object(id)
+            teams = self._get_shared_teams_of_object(id)
         except Exception as e:
             return self._return_error_response(e)
 
         data = {
             "users": [
                 user.username for user in users
-            ]
+            ],
+            "teams": [
+                {
+                    "id": team.id,
+                    "name": team.name,
+                }
+                for team in teams
+            ],
         }
 
         return JsonResponse(data)
@@ -258,6 +266,22 @@ class AbstractModelShareAPIView(AbstractAPIView):
         users = obj.shared_users
         return users
 
+    def _get_shared_teams_of_object(self, id) -> QuerySet:
+        """ Check permissions and get the teams
+
+        Args:
+            id (str): The object's id
+
+        Returns:
+            users (QuerySet)
+        """
+        obj = self.model.objects.get(
+            id=id
+        )
+        self._check_user_has_shared_access(obj)
+        teams = obj.shared_teams
+        return teams
+
     def _process_put_body(self, body: bytes, id: str):
         """ Reads the body data, performs validity checks and sets the new users
 
@@ -271,19 +295,26 @@ class AbstractModelShareAPIView(AbstractAPIView):
         obj = self.model.objects.get(id=id)
         self._check_user_has_shared_access(obj)
 
-        new_users = json.loads(body.decode("utf-8"))
-        new_users = new_users.get("users", [])
+        content = json.loads(body.decode("utf-8"))
+        new_users = content.get("users", [])
         if len(new_users) == 0:
             raise ValueError("Shared user list must not be empty!")
+        new_teams = content.get("teams", [])
 
         # Eliminate duplicates
         new_users = list(dict.fromkeys(new_users))
+        new_teams = list(dict.fromkeys(new_teams))
 
         # Make sure each of these names exist as a user
         new_users_objs = []
         for user in new_users:
             new_users_objs.append(User.objects.get(username=user))
 
+        # Make sure each of these names exist as a user
+        new_teams_objs = []
+        for team_name in new_teams:
+            new_teams_objs.append(Team.objects.get(name=team_name))
+
         if is_default_group_only(self.user):
             # Default only users are not allowed to remove other users from having access. They can only add new ones!
             new_users_to_be_added = User.objects.filter(
@@ -292,7 +323,16 @@ class AbstractModelShareAPIView(AbstractAPIView):
                 id__in=obj.shared_users
             )
             new_users_objs = obj.shared_users.union(new_users_to_be_added)
+
+            new_teams_to_be_added = Team.objects.filter(
+                name__in=new_teams
+            ).exclude(
+                id__in=obj.shared_teams
+            )
+            new_teams_objs = obj.shared_teams.union(new_teams_to_be_added)
+
         obj.share_with_user_list(new_users_objs)
+        obj.share_with_team_list(new_teams_objs)
         return True