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<?php
/**
* Copyright (c) 2014 Arthur Schiwon <blizzz@owncloud.com>
* This file is licensed under the Affero General Public License version 3 or
* later.
* See the COPYING-README file.
*
*/
namespace OC\Share;
class SearchResultSorter {
private $search;
private $encoding;
private $key;
private $log;
/**
* @param $search the search term as was given by the user
* @param $key the array key containing the value that should be compared
* against
* @param $encoding optional, encoding to use, defaults to UTF-8
* @param $log optional, an \OC\Log instance
*/
public function __construct($search, $key, \OC\Log $log = null, $encoding = 'UTF-8') {
$this->encoding = $encoding;
$this->key = $key;
$this->log = $log;
$this->search = mb_strtolower($search, $this->encoding);
}
/**
* User and Group names matching the search term at the beginning shall appear
* on top of the share dialog. Following entries in alphabetical order.
* Callback function for usort. http://php.net/usort
*/
public function sort($a, $b) {
if(!isset($a[$this->key]) || !isset($b[$this->key])) {
if(!is_null($this->log)) {
$this->log->error('Sharing dialogue: cannot sort due to ' .
'missing array key', array('app' => 'core'));
}
return 0;
}
$nameA = mb_strtolower($a[$this->key], $this->encoding);
$nameB = mb_strtolower($b[$this->key], $this->encoding);
$i = mb_strpos($nameA, $this->search, 0, $this->encoding);
$j = mb_strpos($nameB, $this->search, 0, $this->encoding);
if($i === $j || $i > 0 && $j > 0) {
return strcmp(mb_strtolower($nameA, $this->encoding),
mb_strtolower($nameB, $this->encoding));
} elseif ($i === 0) {
return -1;
} else {
return 1;
}
}
}
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