public function build()
{
$errors = [];
$add_commands = [];
$modify_commands = [];
$remove_commands = [];
// build all commands
foreach ($this->items as $command_builder) {
$result = $command_builder->build();
if ($result instanceof Success) {
$command = $result->get();
switch (true) {
case $command instanceof AddEmbeddedEntityCommand:
$add_commands[] = $command;
break;
case $command instanceof ModifyEmbeddedEntityCommand:
$modify_commands[] = $command;
break;
case $command instanceof RemoveEmbeddedEntityCommand:
$remove_commands[] = $command;
break;
default:
throw new RuntimeError(sprintf('Unknown command type "%s"', get_class($command)));
}
} elseif ($result instanceof Error) {
$errors[$command_builder->getParentAttributeName()][] = $result->get();
}
}
if (empty($errors)) {
$result = Success::unit(array_merge($modify_commands, $remove_commands, $add_commands));
} else {
$result = Error::unit($errors);
}
return $result;
}
/**
* Runs the monad's code-block.
*
* @param MonadInterface $prevResult
* @param callable $next
*
* @return MonadInterface Either Success or Error in case an exception occured.
*/
protected function run(MonadInterface $prevResult, callable $next = null)
{
try {
$result = call_user_func($this->codeBlock, $prevResult);
return $result instanceof MonadInterface ? $result : Success::unit($result);
} catch (Exception $error) {
return Error::unit($error);
}
}
/**
* @return Result
*/
protected function validateValues(array $values)
{
$result = parent::validateValues($values);
if (isset($this->entity) && $result instanceof Success) {
$values = $result->get();
// only filter root command values here since filtering for embeds is done in parent
if (!isset($values['@type'])) {
$modified_values = $this->filterUnmodifiedValues($this->entity, $values);
$result = Success::unit($modified_values);
}
}
return $result;
}
/**
* @return Result
*/
protected function adoptPropertyValue($prop_name, $prop_value)
{
$validation_method = 'validate' . StringToolkit::asStudlyCaps($prop_name);
if (method_exists($this, $validation_method)) {
return call_user_func([$this, $validation_method], $prop_value);
}
return Success::unit($prop_value);
}
/**
* @return Result
*/
protected function sanitizeAttributeValue(AttributeInterface $attribute, $value)
{
$errors = [];
$sanitized_value = null;
$value_holder = $attribute->createValueHolder();
$result = $value_holder->setValue($value);
if ($result->getSeverity() > IncidentInterface::NOTICE) {
foreach ($result->getViolatedRules() as $rule) {
foreach ($rule->getIncidents() as $name => $incident) {
$incident_params = $incident->getParameters();
$errors[$attribute->getName()]['@incidents'][] = ['path' => $attribute->getPath(), 'incidents' => [$name => $incident_params]];
}
}
}
return empty($errors) ? Success::unit($value_holder->toNative()) : Error::unit($errors);
}