<?php

    require_once(dirname(dirname(__FILE__))."/engine/engine.php");

    gatekeeper();
	action_gatekeeper();

    global $Dippler;

	$course = (int)get_input('course');
	$title = get_input('title');
	$parent = get_input('parent');

	// Cache variables
	$input_values = array();
    $input_values['title'] = $title;
	$input_values['parent'] = $parent;
    $_SESSION['input_values'] = $input_values;

	if (empty($title)) {
		$Dippler->add_system_message(_("At least one of the parameters is empty."), 'error');
		if ($parent && $parent != 0) {
			forward("course/resources/{$course}/folder/{$parent}/folder/add");
		} else {
			forward("course/resources/{$course}/folder/add");
		}
	} else if (empty($course)) {
	    $Dippler->add_system_message(_("Course not found"), 'error');
		forward('courses/my');
	} else {
		$folder = new ResourceFolder();
		$folder->title = $title;
		$folder->parent = $parent;
		$folder->course = $course;
        $folder_id = $folder->create();
		if (!$folder_id) {
		    $Dippler->add_system_message(_("Folder could not be created."), 'error');
            if ($parent && $parent != 0) {
			    forward("course/resources/{$course}/folder/{$parent}/folder/add");
		    } else {
			    forward("course/resources/{$course}/folder/add");
		    }
		}

		$Dippler->add_system_message(_("Folder added."));

		// Clear cache
        $Dippler->clearSessionInputValues();
		forward($folder->getURL());
	}

	forward('courses/my');
?>