Bases: BaseDjangoModelConstructor[TypeDjangoModel], ABC, Generic[TypeDjangoModel]
Source code in django_spire/contrib/constructor/constructor.py
| def __init__(self, obj: Any = None):
self._obj_type_name: str = str(
list(self.__class__.__annotations__.values())[0]
).split('.')[-1]
if obj is None:
return
self._obj_mro_type_names = [cls.__name__ for cls in obj.__class__.__mro__]
if not self._obj_type_name in self._obj_mro_type_names:
raise ConstructorException(
f'{self.__class__.__name__} was instantiated with obj type "{obj.__class__.__name__}" and failed as it was expecting "{self._obj_type_name}".'
)
self._obj_type: type[TypeAny] = obj.__class__
if self._obj_type is None or self._obj_type is ...:
raise ConstructorException(
f'{self.__class__.__name__} top class attribute must have an annotated type.')
self.obj: TypeAny = obj
if ABC not in self.__class__.__bases__:
if not self._obj_is_valid:
raise ConstructorException(f'{self._obj_type_name} failed to validate on {self.__class__.__name__}')
self.__post_init__()
|
validate_model_obj
Source code in django_spire/contrib/service/django_model_service.py
| def validate_model_obj(self, **field_data: dict) -> list[str]:
concrete_fields = self._get_concrete_fields()
touched_fields = self._get_touched_fields(concrete_fields, **field_data)
try:
self.obj.full_clean(
exclude=[field for field in concrete_fields if field not in touched_fields]
)
except:
raise
return touched_fields
|
save_model_obj
Source code in django_spire/contrib/service/django_model_service.py
| @transaction.atomic
def save_model_obj(self, **field_data: dict) -> tuple[Model, bool]:
new_model_obj_was_created = False
if not field_data:
raise ServiceException(f'Field data is required to save on {self.obj.__class__.__name__}')
touched_fields = self.validate_model_obj(**field_data)
if self.model_obj_is_new:
new_model_obj_was_created = True
self.obj.save()
elif touched_fields:
self.obj.save(update_fields=touched_fields)
else:
logging.warning(
f'{self.obj.__class__.__name__} is not a new object or there was no touched fields to update.')
return self.obj, new_model_obj_was_created
|