MIF_E31222691/system/validation/error_collector.php

123 lines
2.8 KiB
PHP

<?php namespace System\Validation;
class Error_Collector {
/**
* All of the error messages.
*
* @var array
*/
public $messages;
/**
* Create a new Error Collector instance.
*
* @return void
*/
public function __construct($messages = array())
{
$this->messages = $messages;
}
/**
* Add an error message to the collector.
*
* Duplicate messages will not be added.
*
* @param string $attribute
* @param string $message
* @return void
*/
public function add($attribute, $message)
{
// -------------------------------------------------------------
// Make sure the error message is not duplicated.
//
// For example, the Nullable rules can add a "required" message.
// If the same message has already been added we don't want to
// add it again.
// -------------------------------------------------------------
if ( ! array_key_exists($attribute, $this->messages) or ! is_array($this->messages[$attribute]) or ! in_array($message, $this->messages[$attribute]))
{
$this->messages[$attribute][] = $message;
}
}
/**
* Determine if errors exist for an attribute.
*
* @param string $attribute
* @return bool
*/
public function has($attribute)
{
return $this->first($attribute) !== '';
}
/**
* Get the first error message for an attribute.
*
* @param string $attribute
* @return string
*/
public function first($attribute)
{
return (count($messages = $this->get($attribute)) > 0) ? $messages[0] : '';
}
/**
* Get all of the error messages for an attribute.
*
* If no attribute is specified, all of the error messages will be returned.
*
* @param string $attribute
* @param string $format
* @return array
*/
public function get($attribute = null, $format = ':message')
{
if (is_null($attribute))
{
return $this->all($format);
}
return (array_key_exists($attribute, $this->messages)) ? $this->format($this->messages[$attribute], $format) : array();
}
/**
* Get all of the error messages.
*
* @param string $format
* @return array
*/
public function all($format = ':message')
{
$all = array();
// ---------------------------------------------------------
// Add each error message to the array of messages. Each
// messages will have the specified format applied to it.
// ---------------------------------------------------------
foreach ($this->messages as $messages)
{
$all = array_merge($all, $this->format($messages, $format));
}
return $all;
}
/**
* Format an array of messages.
*
* @param array $messages
* @param string $format
* @return array
*/
private function format($messages, $format)
{
array_walk($messages, function(&$message, $key) use ($format) { $message = str_replace(':message', $message, $format); });
return $messages;
}
}