class.ilDidacticTemplateUtils.php

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<?php
 
declare(strict_types=1);
 
class ilDidacticTemplateUtils
{
    public static function switchTemplate(int $a_ref_id, int $a_new_tpl_id): bool
    {
        global $DIC;
 
        $logger = $DIC->logger()->otpl();
        $current_tpl_id = ilDidacticTemplateObjSettings::lookupTemplateId(
            $a_ref_id
        );
        $logger->debug('Current template id: ' . $current_tpl_id);
        // Revert current template
        if ($current_tpl_id) {
            $logger->debug('Reverting template with id: ' . $current_tpl_id);
            foreach (ilDidacticTemplateActionFactory::getActionsByTemplateId($current_tpl_id) as $action) {
                $action->setRefId($a_ref_id);
                $action->revert();
            }
        }
 
        $obj = ilObjectFactory::getInstanceByRefId($a_ref_id, false);
        if ($obj instanceof ilObject) {
            $obj->applyDidacticTemplate($a_new_tpl_id);
        }
 
        return true;
    }
}