class.ilOrgUnitGlobalSettings.php

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<?php

/* Copyright (c) 1998-2010 ILIAS open source, Extended GPL, see docs/LICENSE */

class ilOrgUnitGlobalSettings
{

    private static $instance = null;
    protected $object_definition = null;
    private $position_settings = [];
    private $object_position_cache = [];


    protected function __construct()
    {
        $this->object_definition = $GLOBALS['DIC']['objDefinition'];
        $this->readSettings();
    }


    public static function getInstance()
    {
        if (!self::$instance) {
            self::$instance = new self();
        }

        return self::$instance;
    }


    public function getObjectPositionSettingsByType($a_obj_type)
    {
        if (!isset($this->position_settings[$a_obj_type])) {
            throw new \InvalidArgumentException('Object type passed does not support position settings: '
                                                . $a_obj_type);
        }

        return $this->position_settings[$a_obj_type];
    }


    public function isPositionAccessActiveForObject($a_obj_id)
    {
        if (isset($this->object_position_cache[$a_obj_id])) {
            return $this->object_position_cache[$a_obj_id];
        }
        $type = ilObject::_lookupType($a_obj_id);
        try {
            $type_settings = $this->getObjectPositionSettingsByType($type);
        } catch (\InvalidArgumentException $invalid_type_exception) {
            $this->object_position_cache[$a_obj_id] = false;

            return false;
        }

        if (!$type_settings->isActive()) {
            $this->object_position_cache[$a_obj_id] = false;

            return false;
        }
        if (!$type_settings->isChangeableForObject()) {
            $this->object_position_cache[$a_obj_id] = true;

            return true;
        }
        $object_position = new ilOrgUnitObjectPositionSetting($a_obj_id);

        if ($object_position->hasObjectSpecificActivation()) {
            $this->object_position_cache[$a_obj_id] = $object_position->isActive();
        } else {
            $this->object_position_cache[$a_obj_id] = (bool) $type_settings->getActivationDefault();
        }

        return $this->object_position_cache[$a_obj_id];
    }


    public function saveDefaultPositionActivationStatus($a_obj_id)
    {
        $type = ilObject::_lookupType($a_obj_id);
        try {
            $type_settings = $this->getObjectPositionSettingsByType($type);
        } catch (\InvalidArgumentException $ex) {
            return;
        }
        if ($type_settings->isActive()) {
            $object_setting = new ilOrgUnitObjectTypePositionSetting($a_obj_id);
            $object_setting->setActive($type_settings->getActivationDefault());
            $object_setting->update();
        }

        return;
    }


    protected function readSettings()
    {
        foreach ($this->object_definition->getOrgUnitPermissionTypes() as $type) {
            $this->position_settings[$type] = new ilOrgUnitObjectTypePositionSetting($type);
        }
    }


    public function getPositionSettings()
    {
        return $this->position_settings;
    }
}