courseware.php

<?php

use \Courseware\StructuralElement;

class Contents_CoursewareController extends AuthenticatedController
{
    /**
     * Callback function being called before an action is executed.
     *
     * @SuppressWarnings(PHPMD.CamelCaseMethodName)
     * @SuppressWarnings(PHPMD.Superglobals)
     */
    public function before_filter(&$action, &$args)
    {
        parent::before_filter($action, $args);

        PageLayout::setHelpKeyword('Basis.Courseware'); // set keyword for new help

        PageLayout::setTitle(_('Courseware'));

        $this->user = $GLOBALS['user'];
    }

    /**
     * Entry point of the controller that displays the courseware projects overview
     *
     * @param string $action
     * @param string $widgetId
     * @SuppressWarnings(PHPMD.CamelCaseMethodName)
     * @SuppressWarnings(PHPMD.Superglobals)
     * @SuppressWarnings(PHPMD.UnusedFormalParameter)
     */
    public function index_action($action = false, $widgetId = null)
    {
        Navigation::activateItem('/contents/courseware/projects');
        $this->setProjectsSidebar($action);

        $this->elements = $this->getProjects('all');
    }

    /**
     * Show Courseware of current user
     *
     * @param string $action
     * @param string $widgetId
     * @SuppressWarnings(PHPMD.CamelCaseMethodName)
     * @SuppressWarnings(PHPMD.Superglobals)
     * @SuppressWarnings(PHPMD.UnusedFormalParameter)
     */
    public function courseware_action($action = false, $widgetId = null)
    {
        global $perm;

        Navigation::activateItem('/contents/courseware/courseware');
        $this->user_id = $GLOBALS['user']->id;

        $this->setCoursewareSidebar();

        $last = UserConfig::get($this->user_id)->getValue('COURSEWARE_LAST_ELEMENT');

        if ($last[$this->user_id]) {
            $this->entry_element_id = $last['global'];
            $struct = \Courseware\StructuralElement::findOneBySQL(
                "id = ? AND range_id = ? AND range_type = 'user'",
                [$this->entry_element_id, $this->user_id]
            );
        }

        // load courseware for current user
        if (!$this->entry_element_id || !$struct || !$struct->canRead($GLOBALS['user'])) {