/**
* Save the selected setting
*
* @param string $data The selected site
* @return string empty string or error message
*/
public function write_setting($data)
{
global $DB, $CFG;
//for install cli script, $CFG->defaultuserroleid is not set so do nothing
if (empty($CFG->defaultuserroleid)) {
return '';
}
$servicename = MOODLE_OFFICIAL_MOBILE_SERVICE;
require_once $CFG->dirroot . '/webservice/lib.php';
$webservicemanager = new webservice();
if ((string) $data === $this->yes) {
//code run when enable mobile web service
//enable web service systeme if necessary
set_config('enablewebservices', true);
//enable mobile service
$mobileservice = $webservicemanager->get_external_service_by_shortname(MOODLE_OFFICIAL_MOBILE_SERVICE);
$mobileservice->enabled = 1;
$webservicemanager->update_external_service($mobileservice);
//enable xml-rpc server
$activeprotocols = empty($CFG->webserviceprotocols) ? array() : explode(',', $CFG->webserviceprotocols);
if (!in_array('xmlrpc', $activeprotocols)) {
$activeprotocols[] = 'xmlrpc';
set_config('webserviceprotocols', implode(',', $activeprotocols));
}
//allow xml-rpc:use capability for authenticated user
$this->set_xmlrpc_cap(true);
} else {
//disable web service system if no other services are enabled
$otherenabledservices = $DB->get_records_select('external_services', 'enabled = :enabled AND (shortname != :shortname OR shortname IS NULL)', array('enabled' => 1, 'shortname' => MOODLE_OFFICIAL_MOBILE_SERVICE));
if (empty($otherenabledservices)) {
set_config('enablewebservices', false);
//also disable xml-rpc server
$activeprotocols = empty($CFG->webserviceprotocols) ? array() : explode(',', $CFG->webserviceprotocols);
$protocolkey = array_search('xmlrpc', $activeprotocols);
if ($protocolkey !== false) {
unset($activeprotocols[$protocolkey]);
set_config('webserviceprotocols', implode(',', $activeprotocols));
}
//disallow xml-rpc:use capability for authenticated user
$this->set_xmlrpc_cap(false);
}
//disable the mobile service
$mobileservice = $webservicemanager->get_external_service_by_shortname(MOODLE_OFFICIAL_MOBILE_SERVICE);
$mobileservice->enabled = 0;
$webservicemanager->update_external_service($mobileservice);
}
return parent::write_setting($data);
}
redirect($returnurl);
}
/// EDIT/CREATE/CANCEL operations => at the end redirect to add function page / main service page
$mform = new external_service_form(null, $service);
if ($mform->is_cancelled()) {
redirect($returnurl);
} else {
if ($servicedata = $mform->get_data()) {
$servicedata = (object) $servicedata;
if (!empty($servicedata->requiredcapability) && $servicedata->requiredcapability == "norequiredcapability") {
$servicedata->requiredcapability = "";
}
//create operation
if (empty($servicedata->id)) {
$servicedata->id = $webservicemanager->add_external_service($servicedata);
add_to_log(SITEID, 'webservice', 'add', $returnurl, get_string('addservice', 'webservice', $servicedata));
//redirect to the 'add functions to service' page
$addfunctionpage = new moodle_url($CFG->wwwroot . '/' . $CFG->admin . '/webservice/service_functions.php', array('id' => $servicedata->id));
$returnurl = $addfunctionpage->out(false);
} else {
//update operation
$webservicemanager->update_external_service($servicedata);
add_to_log(SITEID, 'webservice', 'edit', $returnurl, get_string('editservice', 'webservice', $servicedata));
}
redirect($returnurl);
}
}
//OUTPUT edit/create form
echo $OUTPUT->header();
$mform->display();
echo $OUTPUT->footer();
