gnu-social/src/Core/ModuleManager.php

94 lines
2.8 KiB
PHP

<?php
// {{{ License
// This file is part of GNU social - https://www.gnu.org/software/social
//
// GNU social is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// GNU social 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 Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with GNU social. If not, see <http://www.gnu.org/licenses/>.
// }}}
/**
* Module and plugin loader code, one of the main features of GNU social
*
* Loads plugins from `plugins/enabled`, instances them
* and hooks its events
*
* @package GNUsocial
* @category Modules
*
* @author Hugo Sales <hugo@fc.up.pt>
* @copyright 2020 Free Software Foundation, Inc http://www.fsf.org
* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
*/
namespace App\Core;
use App\Util\Formatting;
use Functional as F;
class ModuleManager
{
protected static $loader;
public static function setLoader($l)
{
self::$loader = $l;
}
protected array $modules = [];
protected array $events = [];
public function add(string $fqcn, string $path)
{
list($type, $module) = preg_split('/\\\\/', $fqcn, 0, PREG_SPLIT_NO_EMPTY);
self::$loader->addPsr4("\\{$type}\\{$module}\\", dirname($path));
$id = Formatting::camelCaseToSnakeCase($type . '.' . $module);
$obj = new $fqcn();
$this->modules[$id] = $obj;
}
public function preRegisterEvents()
{
foreach ($this->modules as $id => $obj) {
F\map(F\select(get_class_methods($obj),
F\ary(F\partial_right('App\Util\Formatting::startsWith', 'on'), 1)),
function (string $m) use ($obj) {
$ev = Formatting::camelCaseToSnakeCase(substr($m, 2));
$this->events[$ev] = $this->events[$ev] ?? [];
$this->events[$ev][] = [$obj, $m];
}
);
}
}
public static function __set_state($state)
{
$obj = new self();
$obj->modules = $state['modules'];
$obj->events = $state['events'];
return $obj;
}
public function loadModules()
{
$f = INSTALLDIR . '/var/cache/module_manager.php';
$obj = require $f;
foreach ($obj->events as $event => $callables) {
foreach ($callables as $callable) {
Event::addHandler($event, $callable);
}
}
}
}