def get_operation_for_type(self, operation_name, object_type):
try:
object_type = FeatureModel if issubclass(object_type, FeatureModel) else object_type
operations_for_object_type = operations.OPERATIONS_BY_TYPE[object_type]
return operations_for_object_type[operation_name]
except KeyError:
raise InvalidOperationException(operation_name + " isn't an operation for " + object_type)
def get_operation_return_type(self, operation_snippet, current_return_type=FeatureModel):
operation_name = self.get_operation_name_from_path(operation_snippet)
if self.is_operation_for_type(operation_name, current_return_type):
operation = self.get_operation_for_type(operation_name, current_return_type)
else:
raise InvalidOperationException(operation_snippet + " isn't a valid operation")
rem_oper_snippert = operation.get_remaining_operations_snippet(operation_snippet)
if rem_oper_snippert:
return self.get_operation_return_type(rem_oper_snippert, current_return_type=operation.return_type)
return operation.return_type
def execute_operation(self, object, operation_snippet):
operation_name = self.get_operation_name_from_path(operation_snippet)
if self.is_operation_for_type(operation_name, type(object)):
operation = self.get_operation_for_type(operation_name, type(object))
parameters_converted = operation.convert_parameters(operation_snippet)
if parameters_converted == None:
try:
operation_result = getattr(object, operation_name)()
except TypeError:
operation_result = getattr(object, operation_name)
else:
fcm_instance = FeatureCollectionModel()
return getattr(fcm_instance, operation_name)(self.serializer_class.Meta.model, parameters_converted[0])
#operation_result = getattr(FeatureCollectionModel(), operation_name)(*parameters_converted)
#return operation_result
else:
raise InvalidOperationException(operation_snippet + " isn't a valid operation")
def execute_operation(self, object, operation_snippet):
operation_name = self.get_operation_name_from_path(operation_snippet)
if self.is_operation_for_type(operation_name, type(object)):
operation = self.get_operation_for_type(operation_name, type(object))
parameters_converted = operation.convert_parameters(operation_snippet)
if parameters_converted == None:
try:
operation_result = getattr(object, operation_name)()
except TypeError:
operation_result = getattr(object, operation_name)
else:
operation_result = getattr(object, operation_name)(*parameters_converted)
else:
raise InvalidOperationException(operation_snippet + " isn't a valid operation")
rem_oper_snippert = operation.get_remaining_operations_snippet(operation_snippet)
if rem_oper_snippert:
return self.execute_operation(operation_result, rem_oper_snippert)
return (operation_name, operation_result)