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<?php
/*
** Zabbix
** Copyright (C) 2001-2019 Zabbix SIA
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation; either version 2 of the License, or
** (at your option) any later version.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software
** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
**/
class CCollectionValidator extends CValidator {
/**
* If set to false, the array cannot be empty.
*
* @var bool
*/
public $empty = false;
/**
* Name of a field that must have unique values in the whole collection.
*
* @var string
*/
public $uniqueField;
/**
* Second field to be used as a uniqueness criteria.
*
* @var string
*/
public $uniqueField2;
/**
* Error message if the array is empty.
*
* @var string
*/
public $messageEmpty;
/**
* Error message if the given value is not an array.
*
* @var string
*/
public $messageInvalid;
/**
* Error message if duplicate objects exist.
*
* @var string
*/
public $messageDuplicate;
/**
* Checks if the given array of objects is valid.
*
* @param array $value
*
* @return bool
*/
public function validate($value)
{
if (!is_array($value)) {
$this->error($this->messageInvalid, $this->stringify($value));
return false;
}
// check if it's empty
if (!$this->empty && !$value) {
$this->error($this->messageEmpty);
return false;
}
// check for objects with duplicate values
if ($this->uniqueField) {
if ($duplicate = CArrayHelper::findDuplicate($value, $this->uniqueField, $this->uniqueField2)) {
if ($this->uniqueField2 === null) {
$this->error($this->messageDuplicate, $duplicate[$this->uniqueField]);
}
else {
$this->error($this->messageDuplicate,
$duplicate[$this->uniqueField], $duplicate[$this->uniqueField2]
);
}
return false;
}
}
return true;
}
}
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