*  GNU General Public License for more details.
*
*  This copyright notice MUST APPEAR in all copies of the script!
***************************************************************/
require_once dirname(__FILE__) . '/inc.php';
require_once dirname(__FILE__) . '/lib/sharelib.php';
$courseid = required_param('courseid', PARAM_INT);
$sort = optional_param('sort', '', PARAM_RAW);
$access = optional_param('access', 0, PARAM_TEXT);
require_login($courseid);
$context = get_context_instance(CONTEXT_SYSTEM);
require_capability('block/exabis_eportfolio:use', $context);
if (!($course = get_record("course", "id", $courseid))) {
    error("That's an invalid course id");
}
if (!($user = block_exabis_eportfolio_get_user_from_access($access))) {
    print_error("nouserforid", "block_exabis_eportfolio");
}
$parsedsort = block_exabis_eportfolio_parse_view_sort($sort);
$sql_sort = block_exabis_eportfolio_view_sort_to_sql($parsedsort);
$sort = $parsedsort[0] . '.' . $parsedsort[1];
$sortkey = $parsedsort[0];
if ($parsedsort[1] == "desc") {
    $newsort = $sortkey . ".asc";
} else {
    $newsort = $sortkey . ".desc";
}
$sorticon = $parsedsort[1] . '.gif';
block_exabis_eportfolio_print_header("sharedbookmarks");
$strheader = get_string("sharedbookmarks", "block_exabis_eportfolio");
/*
function block_exabis_eportfolio_get_item($itemid, $access)
{
    global $CFG, $USER;
    $itemid = clean_param($itemid, PARAM_INT);
    $item = null;
    if (preg_match('!^view/(.+)$!', $access, $matches)) {
        // in view mode
        if (!($view = block_exabis_eportfolio_get_view_from_access($matches[1]))) {
            print_error("viewnotfound", "block_exabis_eportfolio");
        }
        if (!($viewblock = get_record("block_exabeporviewblock", "viewid", $view->id, "type", "item", "itemid", $itemid))) {
            // item not linked to view -> no rights
        }
        if (!($item = get_record("block_exabeporitem", "id", $itemid, "userid", $view->userid))) {
            // item not found
            return;
        }
        $item->access = $view->access;
        $item->access->page = 'view';
        // comments allowed?
        if ($item->access->request == 'extern') {
            $item->allowComments = $view->externcomment;
            //false;
            $item->showComments = $view->externcomment;
            // TODO: comments anhand view einstellung zeigen
        } else {
            $item->allowComments = true;
            $item->showComments = true;
        }
    } elseif (preg_match('!^portfolio/(.+)$!', $access, $matches)) {
        // in user portfolio mode
        if (!($user = block_exabis_eportfolio_get_user_from_access($matches[1]))) {
            return;
        }
        if ($user->access->request == 'extern') {
            if (!($item = get_record("block_exabeporitem", "id", $itemid, "userid", $user->id, "externaccess", 1))) {
                // item not found
                return;
            }
        } else {
            // intern
            $item = get_record_sql("SELECT i.* FROM {$CFG->prefix}block_exabeporitem i" . " LEFT JOIN {$CFG->prefix}block_exabeporitemshar ishar ON i.id=ishar.itemid AND ishar.userid={$USER->id}" . " WHERE i.id='" . $itemid . "' AND" . " ((i.userid='" . $USER->id . "')" . "  OR (i.shareall=1 AND ishar.userid IS NULL)" . "  OR (i.shareall=0 AND ishar.userid IS NOT NULL))");
            // nobody, but me
            if (!$item) {
                // item not found
                return;
            }
        }
        $item->access = $user->access;
        $item->access->page = 'portfolio';
        // comments allowed?
        if ($item->access->request == 'extern') {
            $item->allowComments = false;
            $item->showComments = $item->externcomment;
        } else {
            $item->allowComments = true;
            $item->showComments = true;
        }
    } else {
        return;
    }
    $item->access->access = $access;
    $item->access->parentAccess = substr($item->access->access, strpos($item->access->access, '/') + 1);
    return $item;
}