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ABRequirement.php
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ABRequirement.php
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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
*
* @file
* @since 1.35
*/
namespace MediaWiki\Skins\Vector\FeatureManagement\Requirements;
use MediaWiki\Config\Config;
use MediaWiki\Skins\Vector\FeatureManagement\Requirement;
use MediaWiki\User\UserIdentity;
/**
* @package MediaWiki\Skins\Vector\FeatureManagement\Requirements
* @internal
*/
class ABRequirement implements Requirement {
private Config $config;
private UserIdentity $user;
/**
* The name of the experiment
*/
private string $experimentName;
/**
* The name of the requirement
*/
private string $name;
/**
* @param Config $config
* @param UserIdentity $user
* @param string $experimentName The name of the experiment
* @param string|null $name The name of the requirement
*/
public function __construct(
Config $config,
UserIdentity $user,
string $experimentName,
?string $name = null
) {
$this->config = $config;
$this->user = $user;
$this->experimentName = $experimentName;
$this->name = $name ?? '';
}
/**
* @inheritDoc
*/
public function getName(): string {
return $this->name;
}
/**
* Returns true if the user is logged-in and false otherwise.
*
* @inheritDoc
*/
public function isMet(): bool {
// Get the experiment configuration from the config object.
$experiment = $this->config->get( 'VectorWebABTestEnrollment' );
// Use the local user ID directly
$id = $this->user->getId();
// Check if the experiment is not enabled or does not match the specified name.
if ( !$experiment['enabled'] || $experiment['name'] !== $this->experimentName ) {
// If the experiment is not enabled or does not match the specified name,
// return true, indicating that the metric is "met"
return true;
} else {
// If the experiment is enabled and matches the specified name,
// calculate the user's variant based on their user ID
$variant = $id % 2;
// Cast the variant value to a boolean and return it, indicating whether
// the user is in the "control" or "test" group.
return (bool)$variant;
}
}
}

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