/**
* Create or renew the user edition lock in an instance of treasurehunt.
*
* @param int $treasurehuntid The identifier of treasure hunt.
* @param int $userid The identifier of user who block the instance.
* @return int The lock id.
*/
function treasurehunt_renew_edition_lock($treasurehuntid, $userid)
{
global $DB;
$table = 'treasurehunt_locks';
$params = array('treasurehuntid' => $treasurehuntid, 'userid' => $userid);
$time = time() + treasurehunt_get_setting_lock_time();
$lock = $DB->get_record($table, $params);
if (!empty($lock)) {
$DB->update_record($table, array('id' => $lock->id, 'lockedtill' => $time));
return $lock->id;
} else {
treasurehunt_delete_old_locks($treasurehuntid);
return $DB->insert_record($table, array('treasurehuntid' => $treasurehuntid, 'userid' => $userid, 'lockedtill' => $time));
}
}
list($course, $cm) = get_course_and_cm_from_cmid($cmid, 'treasurehunt');
$treasurehunt = $DB->get_record('treasurehunt', array('id' => $cm->instance), '*', MUST_EXIST);
require_login($course, true, $cm);
$context = context_module::instance($cm->id);
$url = new moodle_url('/mod/treasurehunt/editstage.php', array('cmid' => $cmid));
if (!empty($id)) {
$url->param('id', $id);
}
if (!empty($roadid)) {
$url->param('roadid', $roadid);
}
$PAGE->set_url($url);
require_capability('mod/treasurehunt:managetreasurehunt', $context);
if (!treasurehunt_is_edition_loked($treasurehunt->id, $USER->id)) {
$lockid = treasurehunt_renew_edition_lock($treasurehunt->id, $USER->id);
$renewlocktime = (treasurehunt_get_setting_lock_time() - 5) * 1000;
$PAGE->requires->js_call_amd('mod_treasurehunt/renewlock', 'renew_edition_lock', array($treasurehunt->id, $lockid, $renewlocktime));
if ($id) {
// if entry is specified
require_capability('mod/treasurehunt:editstage', $context);
$title = get_string('editingstage', 'treasurehunt');
$sql = 'SELECT id,name,cluetext,cluetextformat,cluetexttrust,' . 'activitytoend,roadid,questiontext,questiontextformat,' . 'questiontexttrust,playstagewithoutmoving FROM {treasurehunt_stages} WHERE id=?';
$params = array($id);
if (!($stage = $DB->get_record_sql($sql, $params))) {
print_error('invalidentry');
}
// Si existe la pregunta recojo las respuestas.
if ($stage->questiontext !== '') {
// Hago que se muestre la pregunta.
$stage->addsimplequestion = optional_param('addsimplequestion', 1, PARAM_INT);
$sqlanswers = 'SELECT a.id,a.answertext,a.answertextformat,a.answertexttrust,' . ' a.correct FROM {treasurehunt_answers} a INNER JOIN' . ' {treasurehunt_stages} r ON r.id=a.stageid WHERE r.id=?';
