+ +

Source code for intranet.apps.eighth.forms.fields

+from django import forms
+from django.contrib.auth import get_user_model
+from django.core.validators import ValidationError
+
+
+
[docs]class UserMultipleChoiceField(forms.ModelMultipleChoiceField):
+    """Choose any user from the database."""
+
+
[docs]    def clean(self, value):
+        if not value and not self.required:
+            return self.queryset.none()
+        elif self.required:
+            raise ValidationError(self.error_messages["required"], code="required")
+
+        try:
+            users = get_user_model().objects.filter(id__in=value)
+            if len(users) != len(value):
+                raise ValidationError(self.error_messages["invalid_choice"], code="invalid_choice")
+        except (ValueError, TypeError) as e:
+            raise ValidationError(self.error_messages["invalid_choice"], code="invalid_choice") from e
+        return users

+
+
[docs]    def label_from_instance(self, obj):
+        if isinstance(obj, get_user_model()):
+            return f"{obj.get_full_name()} ({obj.username})"
+        return super().label_from_instance(obj)

+
+ +