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<?php
namespace Watson\Validating;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Support\Facades\Event;
use Watson\Validating\ValidationException;
class ValidatingObserver
{
/**
* Register the validation event for saving the model. Saving validation
* should only occur if creating and updating validation does not.
*
* @param \Illuminate\Database\Eloquent\Model $model
* @return boolean
*/
public function saving(Model $model)
{
return $this->performValidation($model, 'saving');
}
/**
* Register the validation event for restoring the model.
*
* @param \Illuminate\Database\Eloquent\Model $model
* @return boolean
*/
public function restoring(Model $model)
{
return $this->performValidation($model, 'restoring');
}
/**
* Perform validation with the specified ruleset.
*
* @param \Illuminate\Database\Eloquent\Model $model
* @param string $event
* @return boolean
*/
protected function performValidation(Model $model, $event)
{
// If the model has validating enabled, perform it.
if ($model->getValidating()) {
// Fire the namespaced validating event and prevent validation
// if it returns a value.
if ($this->fireValidatingEvent($model, $event) !== null) {
return;
}
if ($model->isValid() === false) {
// Fire the validating failed event.
$this->fireValidatedEvent($model, 'failed');
if ($model->getThrowValidationExceptions()) {
$model->throwValidationException();
}
return false;
}
// Fire the validating.passed event.
$this->fireValidatedEvent($model, 'passed');
} else {
$this->fireValidatedEvent($model, 'skipped');
}
}
/**
* Fire the namespaced validating event.
*
* @param \Illuminate\Database\Eloquent\Model $model
* @param string $event
* @return mixed
*/
protected function fireValidatingEvent(Model $model, $event)
{
return Event::until("eloquent.validating: ".get_class($model), [$model, $event]);
}
/**
* Fire the namespaced post-validation event.
*
* @param \Illuminate\Database\Eloquent\Model $model
* @param string $status
* @return void
*/
protected function fireValidatedEvent(Model $model, $status)
{
Event::fire("eloquent.validated: ".get_class($model), [$model, $status]);
}
}
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