}
/// 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);
            $params = array('objectid' => $servicedata->id);
            $event = \core\event\webservice_service_created::create($params);
            $event->add_record_snapshot('external_services', $servicedata);
            $event->trigger();
            //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);
            $params = array('objectid' => $servicedata->id);
            $event = \core\event\webservice_service_updated::create($params);
            $event->add_record_snapshot('external_services', $servicedata);
            $event->trigger();
        }
        redirect($returnurl);
    }
 public function test_service_created()
 {
     global $CFG, $DB;
     // The Web service API doesn't allow the testing of the events directly by
     // calling some functions which trigger the events, so what we are going here
     // is just checking that the event returns the expected information.
     $sink = $this->redirectEvents();
     // Creating a fake service.
     $service = (object) array('name' => 'Test', 'enabled' => 1, 'requiredcapability' => '', 'restrictedusers' => 0, 'component' => null, 'timecreated' => time(), 'timemodified' => time(), 'shortname' => null, 'downloadfiles' => 0, 'uploadfiles' => 0);
     $service->id = $DB->insert_record('external_services', $service);
     // Trigger the event.
     $params = array('objectid' => $service->id);
     $event = \core\event\webservice_service_created::create($params);
     $event->add_record_snapshot('external_services', $service);
     $event->trigger();
     $events = $sink->get_events();
     $this->assertCount(1, $events);
     $event = reset($events);
     // Assert that the event contains the right information.
     $this->assertEquals(context_system::instance(), $event->get_context());
     $this->assertEquals($service->id, $event->objectid);
     $returnurl = $CFG->wwwroot . "/" . $CFG->admin . "/settings.php?section=externalservices";
     $expected = array(SITEID, 'webservice', 'add', $returnurl, get_string('addservice', 'webservice', $service));
     $this->assertEventLegacyLogData($expected, $event);
 }