MIF_E31222691/system/validator.php

99 lines
2.2 KiB
PHP

<?php namespace System;
class Validator {
/**
* The attributes being validated.
*
* @var array
*/
public $attributes;
/**
* The validation error collector.
*
* @var Error_Collector
*/
public $errors;
/**
* The validation rules.
*
* @var array
*/
public $rules = array();
/**
* Create a new Validator instance.
*
* @param mixed $target
* @return void
*/
public function __construct($target = null)
{
$this->errors = new Validation\Error_Collector;
if (is_null($target))
{
$target = Input::get();
}
// ---------------------------------------------------------
// If the source is an Eloquent model, use the model's
// attributes as the validation attributes.
// ---------------------------------------------------------
$this->attributes = ($target instanceof DB\Eloquent) ? $target->attributes : (array) $target;
}
/**
* Create a new Validator instance.
*
* @param mixed $target
* @return Validator
*/
public static function make($target = null)
{
return new static($target);
}
/**
* Determine if the attributes pass all of the validation rules.
*
* @return bool
*/
public function is_valid()
{
$this->errors->messages = array();
foreach ($this->rules as $rule)
{
// ---------------------------------------------------------
// The error collector is passed to the rule so that the
// rule may conveniently add error messages.
// ---------------------------------------------------------
$rule->validate($this->attributes, $this->errors);
}
return count($this->errors->messages) == 0;
}
/**
* Magic Method for dynamically creating validation rules.
*/
public function __call($method, $parameters)
{
// ---------------------------------------------------------
// Check if the validation rule is defined in the rules
// directory. If it is, create a new rule and return it.
// ---------------------------------------------------------
if (file_exists(SYS_PATH.'validation/rules/'.$method.EXT))
{
$rule = '\\System\\Validation\\Rules\\'.$method;
return $this->rules[] = new $rule($parameters);
}
throw new \Exception("Method [$method] does not exist on Validator class.");
}
}