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<?php
/**
* @copyright Copyright (c) 2020 Julius Härtl <jus@bitgrid.net>
*
* @author Julius Härtl <jus@bitgrid.net>
*
* @license GNU AGPL version 3 or any later version
*
* This program 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.
*
* 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace OC\Dashboard;
use OCP\AppFramework\QueryException;
use OCP\Dashboard\IManager;
use OCP\Dashboard\IPanel;
use OCP\ILogger;
use OCP\IServerContainer;
class Manager implements IManager {
/** @var array */
private $lazyPanels = [];
/** @var IPanel[] */
private $panels = [];
/** @var IServerContainer */
private $serverContainer;
public function __construct(IServerContainer $serverContainer) {
$this->serverContainer = $serverContainer;
}
private function registerPanel(IPanel $panel): void {
if (array_key_exists($panel->getId(), $this->panels)) {
throw new \InvalidArgumentException('Dashboard panel with this id has already been registered');
}
$this->panels[$panel->getId()] = $panel;
}
public function lazyRegisterPanel(string $panelClass): void {
$this->lazyPanels[] = $panelClass;
}
public function loadLazyPanels(): void {
$classes = $this->lazyPanels;
foreach ($classes as $class) {
try {
/** @var IPanel $panel */
$panel = $this->serverContainer->query($class);
} catch (QueryException $e) {
/*
* There is a circular dependency between the logger and the registry, so
* we can not inject it. Thus the static call.
*/
\OC::$server->getLogger()->logException($e, [
'message' => 'Could not load lazy dashbaord panel: ' . $e->getMessage(),
'level' => ILogger::FATAL,
]);
}
/**
* Try to register the loaded reporter. Theoretically it could be of a wrong
* type, so we might get a TypeError here that we should catch.
*/
try {
$this->registerPanel($panel);
} catch (Throwable $e) {
/*
* There is a circular dependency between the logger and the registry, so
* we can not inject it. Thus the static call.
*/
\OC::$server->getLogger()->logException($e, [
'message' => 'Could not register lazy dashboard panel: ' . $e->getMessage(),
'level' => ILogger::FATAL,
]);
}
}
$this->lazyPanels = [];
}
public function getPanels(): array {
$this->loadLazyPanels();
return $this->panels;
}
}
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