class.ilUserActionCollector.php

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<?php

/* Copyright (c) 1998-2016 ILIAS open source, Extended GPL, see docs/LICENSE */

class ilUserActionCollector
{
    protected static $instances = array();

    protected $collection;

    protected $user_id;

    protected $action_context;

    protected function __construct($a_user_id, ilUserActionContext $a_context)
    {
        $this->user_id = $a_user_id;
        $this->action_context = $a_context;
    }


    public static function getInstance($a_user_id, ilUserActionContext $a_context)
    {
        if (!isset(self::$instances[$a_user_id])) {
            self::$instances[$a_user_id] = new ilUserActionCollector($a_user_id, $a_context);
        }

        return self::$instances[$a_user_id];
    }

    public function getActionsForTargetUser($a_target_user)
    {
        // overall collection of users
        include_once("./Services/User/Actions/classes/class.ilUserActionCollection.php");
        $this->collection = ilUserActionCollection::getInstance();

        include_once("./Services/User/Actions/classes/class.ilUserActionAdmin.php");

        include_once("./Services/User/Actions/classes/class.ilUserActionProviderFactory.php");
        foreach (ilUserActionProviderFactory::getAllProviders() as $prov) {
            if (!$this->hasProviderActiveActions($prov)) {
                continue;
            }
            $prov->setUserId($this->user_id);
            $coll = $prov->collectActionsForTargetUser($a_target_user);
            foreach ($coll->getActions() as $action) {
                if (ilUserActionAdmin::lookupActive(
                    $this->action_context->getComponentId(),
                    $this->action_context->getContextId(),
                    $prov->getComponentId(),
                    $action->getType()
                )) {
                    $this->collection->addAction($action);
                }
            }
        }

        return $this->collection;
    }

    protected function hasProviderActiveActions(ilUserActionProvider $prov) : bool
    {
        foreach ($prov->getActionTypes() as $act_type => $act_txt) {
            if (ilUserActionAdmin::lookupActive(
                $this->action_context->getComponentId(),
                $this->action_context->getContextId(),
                $prov->getComponentId(),
                $act_type
            )) {
                return true;
            }
        }
        return false;
    }

}