function _join($stationTag = null)
{
try {
if ($stationTag === false) {
trace("stationTag not present", __FILE__, __LINE__, __METHOD__);
throw new RestException(400, "stationTag not present");
}
$station = Station::getFromTag($stationTag);
if ($station === false) {
trace("_join station not found stationTag=" . $stationTag, __FILE__, __LINE__, __METHOD__);
throw new RestException(500, "station not found stationTag=" . $stationTag);
}
trace("tag=" . $stationTag . " station OID=" . $station->get('OID'), __FILE__, __LINE__, __METHOD__);
$json = json_getObjectFromRequest("POST");
// if ($json === NULL) return;
json_checkMembers("message_version,station_type,station_url", $json);
$rpi = RPI::getFromStationId($station->get('OID'));
if ($rpi === false) {
// output
$rpi = new RPI();
$rpi->set('stationId', $station->get('OID'));
$rpi->set_contact_data($stationTag, $json);
if ($rpi->create() === false) {
trace("create failed", __FILE__, __LINE__, __METHOD__);
throw new RestException(500, "join create failed");
}
} else {
$rpi->set_contact_data($stationTag, $json);
if ($rpi->update() === false) {
trace("update failed", __FILE__, __LINE__, __METHOD__);
throw new RestException(500, "join update failed");
}
}
rest_sendSuccessResponse(202, "Accepted", "{$stationTag} has joined M");
} catch (RestException $e) {
rest_sendBadRequestResponse($e->statusCode, $e->statusMsg);
// doesn't return
}
}
