<?php

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

    gatekeeper();
	action_gatekeeper();

    global $Dippler;

	$course_id = (int)get_input('course_id');
	$subtype = get_input('assignment_type');

	// Cache variables
	$input_values = array();
    $input_values['assignment_type'] = $subtype;
    $_SESSION['input_values'] = $input_values;
	
	if (empty($subtype)) {
		$Dippler->add_system_message(_("At least one of the parameters is empty."), 'error');
		forward("course/assignments/{$course_id}/add");
	} else if (empty($course_id)) {
	    $Dippler->add_system_message(_("Course not found"), 'error');
		forward('courses/my');
	} else {
        // Clear cache
        $Dippler->clearSessionInputValues();
	    forward("course/assignments/{$course_id}/{$subtype}/add");  
	}

    // Clear cache
    $Dippler->clearSessionInputValues();
	forward('courses/my');
?>