#101 Team sharing form

* adds team sharing field to share form
* splits sharing logic into user based and teams based
* adds TeamAdmin for admin backend
* adds validity check on Team name -> only unused names shall be valid

intervention/forms/forms.py

@@ -253,7 +253,7 @@ class NewInterventionForm(BaseForm):
             intervention.log.add(action)
 
             # Add the performing user as the first user having access to the data
-            intervention.share_with(user)
+            intervention.share_with_user(user)
         return intervention
 
 

intervention/forms/modalForms.py

@@ -115,7 +115,7 @@ class ShareModalForm(BaseModalForm):
 
     def _add_teams_to_field(self):
         form_data = {
-            "teams": []
+            "team_select": self.instance.teams.all()
         }
         self.load_initial_data(form_data)