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<?php
namespace Kanboard\Core\Plugin;
use Composer\Autoload\ClassLoader;
use DirectoryIterator;
use Exception;
use LogicException;
use Kanboard\Core\Tool;
/**
* Plugin Loader
*
* @package Kanboard\Core\Plugin
* @author Frederic Guillot
*/
class Loader extends \Kanboard\Core\Base
{
/**
* Plugin instances
*
* @access protected
* @var array
*/
protected $plugins = array();
protected $incompatiblePlugins = array();
/**
* Get list of loaded plugins
*
* @access public
* @return Base[]
*/
public function getPlugins()
{
return $this->plugins;
}
/**
* Get list of not compatible plugins
*
* @access public
* @return Base[]
*/
public function getIncompatiblePlugins()
{
return $this->incompatiblePlugins;
}
/**
* Scan plugin folder and load plugins
*
* @access public
*/
public function scan()
{
if (file_exists(PLUGINS_DIR)) {
$loader = new ClassLoader();
$loader->addPsr4('Kanboard\Plugin\\', PLUGINS_DIR);
$loader->register();
$dir = new DirectoryIterator(PLUGINS_DIR);
foreach ($dir as $fileInfo) {
if ($fileInfo->isDir() && substr($fileInfo->getFilename(), 0, 1) !== '.') {
$pluginName = $fileInfo->getFilename();
$this->initializePlugin($pluginName);
}
}
}
}
/**
* Load plugin schema
*
* @access public
* @param string $pluginName
*/
public function loadSchema($pluginName)
{
if (SchemaHandler::hasSchema($pluginName)) {
$schemaHandler = new SchemaHandler($this->container);
$schemaHandler->loadSchema($pluginName);
}
}
/**
* Load plugin
*
* @access public
* @throws LogicException
* @param string $pluginName
* @return Base
*/
public function loadPlugin($pluginName)
{
$className = '\Kanboard\Plugin\\'.$pluginName.'\\Plugin';
if (! class_exists($className)) {
throw new LogicException('Unable to load this plugin class: '.$className);
}
return new $className($this->container);
}
/**
* Initialize plugin
*
* @access public
* @param string $pluginName
*/
public function initializePlugin($pluginName)
{
try {
$plugin = $this->loadPlugin($pluginName);
if (Version::isCompatible($plugin->getCompatibleVersion(), APP_VERSION)) {
$this->loadSchema($pluginName);
if (method_exists($plugin, 'onStartup')) {
$this->dispatcher->addListener('app.bootstrap', array($plugin, 'onStartup'));
}
Tool::buildDIC($this->container, $plugin->getClasses());
Tool::buildDICHelpers($this->container, $plugin->getHelpers());
$plugin->initialize();
$this->plugins[$pluginName] = $plugin;
} else {
$this->incompatiblePlugins[$pluginName] = $plugin;
$this->logger->error($pluginName.' is not compatible with this version');
}
} catch (Exception $e) {
$this->logger->critical($pluginName.': '.$e->getMessage());
}
}
}
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