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<?php
/**
* 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.
* http://www.gnu.org/copyleft/gpl.html
*
* @since 1.25
*
* @file
*
* @license GNU GPL v2+
*/
class SitesCacheFileBuilder {
/**
* @var SiteLookup
*/
private $siteLookup;
/**
* @var string
*/
private $cacheFile;
/**
* @param SiteLookup $siteLookup
* @param string $cacheFile
*/
public function __construct( SiteLookup $siteLookup, $cacheFile ) {
$this->siteLookup = $siteLookup;
$this->cacheFile = $cacheFile;
}
public function build() {
$this->sites = $this->siteLookup->getSites();
$this->cacheSites( $this->sites->getArrayCopy() );
}
/**
* @param Site[] $sites
*
* @throws MWException if in manualRecache mode
* @return bool
*/
private function cacheSites( array $sites ) {
$sitesArray = array();
foreach ( $sites as $site ) {
$globalId = $site->getGlobalId();
$sitesArray[$globalId] = $this->getSiteAsArray( $site );
}
$json = json_encode( array(
'sites' => $sitesArray
) );
$result = file_put_contents( $this->cacheFile, $json );
return $result !== false;
}
/**
* @param Site $site
*
* @return array
*/
private function getSiteAsArray( Site $site ) {
$siteEntry = unserialize( $site->serialize() );
$siteIdentifiers = $this->buildLocalIdentifiers( $site );
$identifiersArray = array();
foreach ( $siteIdentifiers as $identifier ) {
$identifiersArray[] = $identifier;
}
$siteEntry['identifiers'] = $identifiersArray;
return $siteEntry;
}
/**
* @param Site $site
*
* @return array Site local identifiers
*/
private function buildLocalIdentifiers( Site $site ) {
$localIds = array();
foreach ( $site->getLocalIds() as $idType => $ids ) {
foreach ( $ids as $id ) {
$localIds[] = array(
'type' => $idType,
'key' => $id
);
}
}
return $localIds;
}
}
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