mediawiki-extensions-Echo/includes/Bundler.php
Reedy e576cbdca0 Namespace some more classes
Change-Id: If1405788a4adb550e8a7e8c58b0c2c55cf10ea67
2023-08-18 21:24:59 +01:00

45 lines
1 KiB
PHP

<?php
namespace MediaWiki\Extension\Notifications;
class Bundler {
private function sort( &$array ) {
usort( $array, static function ( Bundleable $a, Bundleable $b ) {
return strcmp( $b->getSortingKey(), $a->getSortingKey() );
} );
}
/**
* Bundle bundleable elements that can be bundled by their bundling keys
*
* @param Bundleable[] $bundleables
* @return Bundleable[] Grouped notifications sorted by timestamp DESC
*/
public function bundle( array $bundleables ) {
$groups = [];
$bundled = [];
/** @var Bundleable $element */
foreach ( $bundleables as $element ) {
if ( $element->canBeBundled() && $element->getBundlingKey() ) {
$groups[ $element->getBundlingKey() ][] = $element;
} else {
$bundled[] = $element;
}
}
foreach ( $groups as $bundlingKey => $group ) {
$this->sort( $group );
/** @var Bundleable $base */
$base = array_shift( $group );
$base->setBundledElements( $group );
$bundled[] = $base;
}
$this->sort( $bundled );
return $bundled;
}
}