Add custom save() in CheckForm to map 'check' field to model's 'terms_accepted'

input/forms.py

@@ -164,7 +164,23 @@ class CheckForm(FdbForm):
             )
         )
 
+    def save(self, commit=True):
+        """Save the form instance and map the 'check' field to the model's 'terms_accepted' field, saving to the database if commit=True."""
+        # Call the parent form's save() method with commit=False
+        # to get a model instance without saving it to the database yet.
+        instance = super().save(commit=False)
 
+        # If the model has a "terms_accepted" field,
+        # copy the value from the form field "check" into it.
+        if hasattr(instance, "terms_accepted"):
+            instance.terms_accepted = bool(self.cleaned_data.get('check'))
+
+        # If commit=True (default), save the instance to the database now.
+        if commit:
+            instance.save()
+
+        # Return the model instance (saved if commit=True, otherwise unsaved).
+        return instance
 
     """Baseclass for all classes which need a check for Nutzungsbedingungen"""
 #    def __init__(self, *args, **kwargs):