MIF_E31222691/system/validation/rule.php

99 lines
2.0 KiB
PHP

<?php namespace System\Validation;
use System\Lang;
abstract class Rule {
/**
* The attributes being validated by the rule.
*
* @var array
*/
public $attributes;
/**
* The validation error message.
*
* @var string
*/
public $message;
/**
* Create a new validation Rule instance.
*
* @param array $attributes
* @return void
*/
public function __construct($attributes)
{
$this->attributes = $attributes;
}
/**
* Run the validation rule.
*
* @param array $attributes
* @param array $errors
* @return void
*/
public function validate($attributes, &$errors)
{
foreach ($this->attributes as $attribute)
{
if ( ! $this->check($attribute, $attributes))
{
$errors[$attribute][] = $this->prepare_message($attribute);
}
}
}
/**
* Prepare the message to be added to the error collector.
*
* @param string $attribute
* @return string
*/
private function prepare_message($attribute)
{
if (is_null($this->message))
{
throw new \Exception("An error message must be specified for every Eloquent validation rule.");
}
$message = $this->message;
// ---------------------------------------------------------
// Replace any place-holders with their actual values.
//
// Attribute place-holders are loaded from the language
// directory. If the line doesn't exist, the attribute
// name will be used instead.
// ---------------------------------------------------------
if (strpos($message, ':attribute'))
{
$message = str_replace(':attribute', Lang::line('attributes.'.$attribute)->get($attribute), $message);
}
if ($this instanceof Rules\Size_Of)
{
$message = str_replace(':max', $this->maximum, $message);
$message = str_replace(':min', $this->minimum, $message);
$message = str_replace(':size', $this->length, $message);
}
return $message;
}
/**
* Set the validation error message.
*
* @param string $message
* @return Rule
*/
public function message($message)
{
$this->message = $message;
return $this;
}
}