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<?php
namespace Kanboard\Core\Action;
use Exception;
use RuntimeException;
use Kanboard\Core\Base;
use Kanboard\Action\Base as ActionBase;
/**
* Action Manager
*
* @package action
* @author Frederic Guillot
*/
class ActionManager extends Base
{
/**
* List of automatic actions
*
* @access private
* @var ActionBase[]
*/
private $actions = array();
/**
* Register a new automatic action
*
* @access public
* @param ActionBase $action
* @return ActionManager
*/
public function register(ActionBase $action)
{
$this->actions[$action->getName()] = $action;
return $this;
}
/**
* Get automatic action instance
*
* @access public
* @param string $name Absolute class name with namespace
* @return ActionBase
*/
public function getAction($name)
{
if (isset($this->actions[$name])) {
return $this->actions[$name];
}
throw new RuntimeException('Automatic Action Not Found: '.$name);
}
/**
* Get available automatic actions
*
* @access public
* @return array
*/
public function getAvailableActions()
{
$actions = array();
foreach ($this->actions as $action) {
if (count($action->getEvents()) > 0) {
$actions[$action->getName()] = $action->getDescription();
}
}
asort($actions);
return $actions;
}
/**
* Get all available action parameters
*
* @access public
* @param array $actions
* @return array
*/
public function getAvailableParameters(array $actions)
{
$params = array();
foreach ($actions as $action) {
try {
$currentAction = $this->getAction($action['action_name']);
$params[$currentAction->getName()] = $currentAction->getActionRequiredParameters();
} catch (Exception $e) {
$this->logger->error(__METHOD__.': '.$e->getMessage());
}
}
return $params;
}
/**
* Get list of compatible events for a given action
*
* @access public
* @param string $name
* @return array
*/
public function getCompatibleEvents($name)
{
$events = array();
$actionEvents = $this->getAction($name)->getEvents();
foreach ($this->eventManager->getAll() as $event => $description) {
if (in_array($event, $actionEvents)) {
$events[$event] = $description;
}
}
return $events;
}
/**
* Bind automatic actions to events
*
* @access public
* @return ActionManager
*/
public function attachEvents()
{
if ($this->userSession->isLogged()) {
$actions = $this->actionModel->getAllByUser($this->userSession->getId());
} else {
$actions = $this->actionModel->getAll();
}
foreach ($actions as $action) {
try {
$listener = clone $this->getAction($action['action_name']);
$listener->setProjectId($action['project_id']);
foreach ($action['params'] as $param_name => $param_value) {
$listener->setParam($param_name, $param_value);
}
$this->dispatcher->addListener($action['event_name'], array($listener, 'execute'));
} catch (Exception $e) {
$this->logger->error(__METHOD__.': '.$e->getMessage());
}
}
return $this;
}
/**
* Remove all listeners for automated actions
*
* @access public
*/
public function removeEvents()
{
foreach ($this->dispatcher->getListeners() as $eventName => $listeners) {
foreach ($listeners as $listener) {
if (is_array($listener) && $listener[0] instanceof ActionBase) {
$this->dispatcher->removeListener($eventName, $listener);
}
}
}
}
}
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