add binary protobuf GTFSRT format
add binary protobuf GTFSRT format

<?php <?php
   
/* /*
* Copyright 2010,2011 Alexander Sadleir * Copyright 2010,2011 Alexander Sadleir
   
Licensed under the Apache License, Version 2.0 (the "License"); Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License. you may not use this file except in compliance with the License.
You may obtain a copy of the License at You may obtain a copy of the License at
   
http://www.apache.org/licenses/LICENSE-2.0 http://www.apache.org/licenses/LICENSE-2.0
   
Unless required by applicable law or agreed to in writing, software Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS, distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and See the License for the specific language governing permissions and
limitations under the License. limitations under the License.
*/ */
$service_periods = Array( $service_periods = Array(
'sunday', 'sunday',
'saturday', 'saturday',
'weekday' 'weekday'
); );
   
function service_period($date = "") { function service_period($date = "") {
   
if (isset($_REQUEST['service_period'])) { if (isset($_REQUEST['service_period'])) {
return $_REQUEST['service_period']; return $_REQUEST['service_period'];
} }
   
$override = getServiceOverride($date); $override = getServiceOverride($date);
if (isset($override['service_id'])) { if (isset($override['service_id'])) {
return strtolower($override['service_id']); return strtolower($override['service_id']);
} }
$date = ($date != "" ? $date : time()); $date = ($date != "" ? $date : time());
$dow = date('w', $date); $dow = date('w', $date);
   
switch ($dow) { switch ($dow) {
case 0: case 0:
return 'sunday'; return 'sunday';
case 6: case 6:
return 'saturday'; return 'saturday';
default: default:
return 'weekday'; return 'weekday';
} }
} }
   
function service_ids($service_period, $date = "") { function service_ids($service_period, $date = "") {
switch ($service_period) { switch ($service_period) {
case 'sunday': case 'sunday':
return Array("Sunday", "Sunday"); return Array("Sunday", "Sunday");
case 'saturday': case 'saturday':
return Array("Saturday", "Saturday"); return Array("Saturday", "Saturday");
default: default:
$date = ($date != "" ? $date : time()); $date = ($date != "" ? $date : time());
// school holidays // school holidays
$ymd = date('Ymd', $date); $ymd = date('Ymd', $date);
$dow = date('w', $date); $dow = date('w', $date);
if (intval($ymd) < "20120203" && $dow != 0 && $dow != 6) { if (intval($ymd) < "20120203" && $dow != 0 && $dow != 6) {
return Array("Weekday-SchoolVacation", "Weekday-SchoolVacation"); return Array("Weekday-SchoolVacation", "Weekday-SchoolVacation");
} else { } else {
return Array("Weekday", "Weekday"); return Array("Weekday", "Weekday");
} }
} }
} }
   
function valid_service_ids() { function valid_service_ids() {
return array_merge(service_ids(""), service_ids('saturday'), service_ids('sunday')); return array_merge(service_ids(""), service_ids('saturday'), service_ids('sunday'));
} }
   
function midnight_seconds($time = "") { function midnight_seconds($time = "") {
// from http://www.perturb.org/display/Perlfunc__Seconds_Since_Midnight.html // from http://www.perturb.org/display/Perlfunc__Seconds_Since_Midnight.html
if ($time != "") { if ($time != "") {
return (date("G", $time) * 3600) + (date("i", $time) * 60) + date("s", $time); return (date("G", $time) * 3600) + (date("i", $time) * 60) + date("s", $time);
} }
if (isset($_SESSION['time'])) { if (isset($_SESSION['time'])) {
$time = strtotime($_SESSION['time']); $time = strtotime($_SESSION['time']);
return (date("G", $time) * 3600) + (date("i", $time) * 60) + date("s", $time); return (date("G", $time) * 3600) + (date("i", $time) * 60) + date("s", $time);
} }
return (date("G") * 3600) + (date("i") * 60) + date("s"); return (date("G") * 3600) + (date("i") * 60) + date("s");
} }
   
function midnight_seconds_to_time($seconds) { function midnight_seconds_to_time($seconds) {
if ($seconds > 0) { if ($seconds > 0) {
$midnight = mktime(0, 0, 0, date("n"), date("j"), date("Y")); $midnight = mktime(0, 0, 0, date("n"), date("j"), date("Y"));
return date("h:ia", $midnight + $seconds); return date("h:ia", $midnight + $seconds);
} else { } else {
return ""; return "";
} }
} }
   
if ($GTFSREnabled) { if ($GTFSREnabled) {
$serviceAlertCause = Array( $serviceAlertCause = Array(
"UNKNOWN_CAUSE" => "Unknown cause", "UNKNOWN_CAUSE" => "Unknown cause",
"OTHER_CAUSE" => "Other cause", "OTHER_CAUSE" => "Other cause",
"TECHNICAL_PROBLEM" => "Technical problem", "TECHNICAL_PROBLEM" => "Technical problem",
"STRIKE" => "Strike", "STRIKE" => "Strike",
"DEMONSTRATION" => "Demonstration", "DEMONSTRATION" => "Demonstration",
"ACCIDENT" => "Accident", "ACCIDENT" => "Accident",
"HOLIDAY" => "Holiday", "HOLIDAY" => "Holiday",
"WEATHER" => "Weather", "WEATHER" => "Weather",
"MAINTENANCE" => "Maintenance", "MAINTENANCE" => "Maintenance",
"CONSTRUCTION" => "Construction", "CONSTRUCTION" => "Construction",
"POLICE_ACTIVITY" => "Police activity", "POLICE_ACTIVITY" => "Police activity",
"MEDICAL_EMERGENCY" => "Medical emergency" "MEDICAL_EMERGENCY" => "Medical emergency"
); );
$serviceAlertEffect = Array( $serviceAlertEffect = Array(
"NO_SERVICE" => "No service", "NO_SERVICE" => "No service",
"REDUCED_SERVICE" => "Reduced service", "REDUCED_SERVICE" => "Reduced service",
"SIGNIFICANT_DELAYS" => "Significant delays", "SIGNIFICANT_DELAYS" => "Significant delays",
"DETOUR" => "Detour", "DETOUR" => "Detour",
"ADDITIONAL_SERVICE" => "Additional service", "ADDITIONAL_SERVICE" => "Additional service",
"MODIFIED_SERVICE" => "Modified service", "MODIFIED_SERVICE" => "Modified service",
"OTHER_EFFECT" => "Other effect", "OTHER_EFFECT" => "Other effect",
"UNKNOWN_EFFECT" => "Unknown effect", "UNKNOWN_EFFECT" => "Unknown effect",
"STOP_MOVED" => "Stop moved"); "STOP_MOVED" => "Stop moved");
   
set_include_path(get_include_path() . PATH_SEPARATOR . ($basePath . "lib/Protobuf-PHP/library/DrSlump/")); set_include_path(get_include_path() . PATH_SEPARATOR . ($basePath . "lib/Protobuf-PHP/library/DrSlump/"));
   
include_once("Protobuf.php"); include_once("Protobuf.php");
include_once("Protobuf/Message.php"); include_once("Protobuf/Message.php");
include_once("Protobuf/Registry.php"); include_once("Protobuf/Registry.php");
include_once("Protobuf/Descriptor.php"); include_once("Protobuf/Descriptor.php");
include_once("Protobuf/Field.php"); include_once("Protobuf/Field.php");
   
include_once($basePath . "lib/Protobuf-PHP/gtfs-realtime.php"); include_once($basePath . "lib/Protobuf-PHP/gtfs-realtime.php");
include_once("Protobuf/CodecInterface.php"); include_once("Protobuf/CodecInterface.php");
include_once("Protobuf/Codec/PhpArray.php"); include_once("Protobuf/Codec/PhpArray.php");
include_once("Protobuf/Codec/Binary.php"); include_once("Protobuf/Codec/Binary.php");
include_once("Protobuf/Codec/Binary/Writer.php"); include_once("Protobuf/Codec/Binary/Writer.php");
include_once("Protobuf/Codec/Json.php"); include_once("Protobuf/Codec/Json.php");
   
function getServiceAlerts($filter_class = "", $filter_id = "") { function getServiceAlerts($filter_class = "", $filter_id = "") {
/* /*
   
also need last modified epoch of client gtfs also need last modified epoch of client gtfs
   
- add,remove,patch,inform (null) - add,remove,patch,inform (null)
- stop - stop
- trip - trip
- network - network
- classes (WHERE=) - classes (WHERE=)
- route (short_name or route_id) - route (short_name or route_id)
- street - street
- stop - stop
- trip - trip
Currently support: Currently support:
network inform network inform
trip patch: stop remove trip patch: stop remove
street inform: route inform, trip inform, stop inform street inform: route inform, trip inform, stop inform
route patch: trip remove route patch: trip remove
*/ */
$current_alerts = getCurrentAlerts(); $current_alerts = getCurrentAlerts();
$informed_count = 0; $informed_count = 0;
if (sizeof($current_alerts) > 0) { if (sizeof($current_alerts) > 0) {
   
$fm = new transit_realtime\FeedMessage(); $fm = new transit_realtime\FeedMessage();
$fh = new transit_realtime\FeedHeader(); $fh = new transit_realtime\FeedHeader();
$fh->setGtfsRealtimeVersion(1); $fh->setGtfsRealtimeVersion(1);
$fh->setTimestamp(time()); $fh->setTimestamp(time());
$fm->setHeader($fh); $fm->setHeader($fh);
foreach ($current_alerts as $current_alert) { foreach ($current_alerts as $current_alert) {
$affectsFilteredEntities = false; $affectsFilteredEntities = false;
$fe = new transit_realtime\FeedEntity(); $fe = new transit_realtime\FeedEntity();
$fe->setId($current_alert['id']); $fe->setId($current_alert['id']);
$fe->setIsDeleted(false); $fe->setIsDeleted(false);
$alert = new transit_realtime\Alert(); $alert = new transit_realtime\Alert();
$tr = new transit_realtime\TimeRange(); $tr = new transit_realtime\TimeRange();
$tr->setStart($current_alert['start']); $tr->setStart($current_alert['start']);
$tr->setEnd($current_alert['end']); $tr->setEnd($current_alert['end']);
$alert->addActivePeriod($tr); $alert->addActivePeriod($tr);
$informedEntities = getInformedAlerts($current_alert['id'], $filter_class, $filter_id); $informedEntities = getInformedAlerts($current_alert['id'], $filter_class, $filter_id);
if (sizeof($informedEntities) > 0) { if (sizeof($informedEntities) > 0) {
   
$affectsFilteredEntities = true; $affectsFilteredEntities = true;
$informed_count++; foreach ($informedEntities as $informedEntity) {
  $informed_count++;
$informed = Array(); $informed = Array();
$es = new transit_realtime\EntitySelector(); $es = new transit_realtime\EntitySelector();
if ($informedEntity['informed_class'] == "agency") { if ($informedEntity['informed_class'] == "agency") {
$es->setAgencyId($informedEntity['informed_id']); $es->setAgencyId($informedEntity['informed_id']);
} }
if ($informedEntity['informed_class'] == "stop") { if ($informedEntity['informed_class'] == "stop") {
$es->setStopId($informedEntity['informed_id']); $es->setStopId($informedEntity['informed_id']);
} }
if ($informedEntity['informed_class'] == "route") { if ($informedEntity['informed_class'] == "route") {
$es->setRouteId($informedEntity['informed_id']); $es->setRouteId($informedEntity['informed_id']);
} }
if ($informedEntity['informed_class'] == "trip") { if ($informedEntity['informed_class'] == "trip") {
$td = new transit_realtime\TripDescriptor(); $td = new transit_realtime\TripDescriptor();
$td->setTripId($informedEntity['informed_id']); $td->setTripId($informedEntity['informed_id']);
$es->setTrip($td); $es->setTrip($td);
} }
$alert->addInformedEntity($es); $alert->addInformedEntity($es);
  }
} }
if ($current_alert['cause'] != "") { if ($current_alert['cause'] != "") {
$alert->setCause(constant("transit_realtime\Alert\Cause::" . $current_alert['cause'])); $alert->setCause(constant("transit_realtime\Alert\Cause::" . $current_alert['cause']));
} }
if ($current_alert['effect'] != "") { if ($current_alert['effect'] != "") {
$alert->setEffect(constant("transit_realtime\Alert\Effect::" . $current_alert['effect'])); $alert->setEffect(constant("transit_realtime\Alert\Effect::" . $current_alert['effect']));
} }
if ($current_alert['url'] != "") { if ($current_alert['url'] != "") {
$tsUrl = new transit_realtime\TranslatedString(); $tsUrl = new transit_realtime\TranslatedString();
$tUrl = new transit_realtime\TranslatedString\Translation(); $tUrl = new transit_realtime\TranslatedString\Translation();
$tUrl->setText($current_alert['url']); $tUrl->setText($current_alert['url']);
$tUrl->setLanguage("en"); $tUrl->setLanguage("en");
$tsUrl->addTranslation($tUrl); $tsUrl->addTranslation($tUrl);
$alert->setUrl($tsUrl); $alert->setUrl($tsUrl);
} }
if ($current_alert['header'] != "") { if ($current_alert['header'] != "") {
$tsHeaderText = new transit_realtime\TranslatedString(); $tsHeaderText = new transit_realtime\TranslatedString();
$tHeaderText = new transit_realtime\TranslatedString\Translation(); $tHeaderText = new transit_realtime\TranslatedString\Translation();
$tHeaderText->setText($current_alert['header']); $tHeaderText->setText($current_alert['header']);
$tHeaderText->setLanguage("en"); $tHeaderText->setLanguage("en");
$tsHeaderText->addTranslation($tHeaderText); $tsHeaderText->addTranslation($tHeaderText);
$alert->setHeaderText($tsHeaderText); $alert->setHeaderText($tsHeaderText);
} }
if ($current_alert['description'] != "") { if ($current_alert['description'] != "") {
$tsDescriptionText = new transit_realtime\TranslatedString(); $tsDescriptionText = new transit_realtime\TranslatedString();
$tDescriptionText = new transit_realtime\TranslatedString\Translation(); $tDescriptionText = new transit_realtime\TranslatedString\Translation();
$tDescriptionText->setText($current_alert['description']); $tDescriptionText->setText(trim($current_alert['description']));
$tDescriptionText->setLanguage("en"); $tDescriptionText->setLanguage("en");
$tsDescriptionText->addTranslation($tDescriptionText); $tsDescriptionText->addTranslation($tDescriptionText);
$alert->setDescriptionText($tsDescriptionText); $alert->setDescriptionText($tsDescriptionText);
} }
$fe->setAlert($alert); $fe->setAlert($alert);
if ($affectsFilteredEntities) { if ($affectsFilteredEntities) {
$fm->addEntity($fe); $fm->addEntity($fe);
} }
} }
if ($informed_count > 0) { if ($informed_count > 0) {
return $fm; return $fm;
} else { } else {
return null; return null;
} }
} else } else
return null; return null;
} }
   
function getServiceAlertsAsArray($filter_class = "", $filter_id = "") { function getServiceAlertsAsArray($filter_class = "", $filter_id = "") {
   
$alerts = getServiceAlerts($filter_class, $filter_id); $alerts = getServiceAlerts($filter_class, $filter_id);
if ($alerts != null) { if ($alerts != null) {
$codec = new DrSlump\Protobuf\Codec\PhpArray(); $codec = new DrSlump\Protobuf\Codec\PhpArray();
   
return $codec->encode($alerts); return $codec->encode($alerts);
} else { } else {
return nullarray; return nullarray;
} }
} }
   
function getServiceAlertsAsBinary($filter_class = "", $filter_id = "") { function getServiceAlertsAsBinary($filter_class = "", $filter_id = "") {
$codec = new DrSlump\Protobuf\Codec\Binary(); $codec = new DrSlump\Protobuf\Codec\Binary();
return $codec->encode(getServiceAlerts($filter_class, $filter_id)); return $codec->encode(getServiceAlerts($filter_class, $filter_id));
} }
   
function getServiceAlertsAsJSON($filter_class = "", $filter_id = "") { function getServiceAlertsAsJSON($filter_class = "", $filter_id = "") {
$codec = new DrSlump\Protobuf\Codec\Json(); $codec = new DrSlump\Protobuf\Codec\Json();
return $codec->encode(getServiceAlerts($filter_class, $filter_id)); return $codec->encode(getServiceAlerts($filter_class, $filter_id));
} }
   
function getServiceAlertsByClass() { function getServiceAlertsByClass() {
$return = Array(); $return = Array();
$alerts = getServiceAlertsAsArray("", ""); $alerts = getServiceAlertsAsArray("", "");
foreach ($alerts['entities'] as $entity) { foreach ($alerts['entities'] as $entity) {
foreach ($entity['informed'] as $informed) { foreach ($entity['informed'] as $informed) {
foreach ($informed as $key => $value) { foreach ($informed as $key => $value) {
if (strpos("_id", $key) > 0) { if (strpos("_id", $key) > 0) {
$parts = explode($key); $parts = explode($key);
$class = $parts[0]; $class = $parts[0];
$id = $value; $id = $value;
} }
} }
$return[$class][$id][] = $entity; $return[$class][$id][] = $entity;
} }
} }
} }
   
function getTripUpdates($filter_class = "", $filter_id = "") { function getTripUpdates($filter_class = "", $filter_id = "") {
$fm = new transit_realtime\FeedMessage(); $fm = new transit_realtime\FeedMessage();
$fh = new transit_realtime\FeedHeader(); $fh = new transit_realtime\FeedHeader();
$fh->setGtfsRealtimeVersion(1); $fh->setGtfsRealtimeVersion(1);
$fh->setTimestamp(time()); $fh->setTimestamp(time());
$fm->setHeader($fh); $fm->setHeader($fh);
foreach (getCurrentAlerts() as $alert) { foreach (getCurrentAlerts() as $alert) {
$informedEntities = getInformedAlerts($alert['id'], $_REQUEST['filter_class'], $_REQUEST['filter_id']); $informedEntities = getInformedAlerts($alert['id'], $_REQUEST['filter_class'], $_REQUEST['filter_id']);
$stops = Array(); $stops = Array();
$routestrips = Array(); $routestrips = Array();
if (sizeof($informedEntities) > 0) { if (sizeof($informedEntities) > 0) {
if ($informedEntity['informed_class'] == "stop" && $informed["x-action"] == "remove") { if ($informedEntity['informed_class'] == "stop" && $informed["x-action"] == "remove") {
$stops[] = $informedEntity['informed_id']; $stops[] = $informedEntity['informed_id'];
} }
if (($informedEntity['informed_class'] == "route" || $informedEntity['informed_class'] == "trip") && $informed["x-action"] == "patch") { if (($informedEntity['informed_class'] == "route" || $informedEntity['informed_class'] == "trip") && $informed["x-action"] == "patch") {
$routestrips[] = Array("id" => $informedEntity['informed_id'], $routestrips[] = Array("id" => $informedEntity['informed_id'],
"type" => $informedEntity['informed_class']); "type" => $informedEntity['informed_class']);
} }
} }
foreach ($routestrips as $routetrip) { foreach ($routestrips as $routetrip) {
$fe = new transit_realtime\FeedEntity(); $fe = new transit_realtime\FeedEntity();
$fe->setId($alert['id'] . $routetrip['id']); $fe->setId($alert['id'] . $routetrip['id']);
$fe->setIsDeleted(false); $fe->setIsDeleted(false);
$tu = new transit_realtime\TripUpdate(); $tu = new transit_realtime\TripUpdate();
$td = new transit_realtime\TripDescriptor(); $td = new transit_realtime\TripDescriptor();
if ($routetrip['type'] == "route") { if ($routetrip['type'] == "route") {
$td->setRouteId($routetrip['id']); $td->setRouteId($routetrip['id']);
} else if ($routetrip['type'] == "trip") { } else if ($routetrip['type'] == "trip") {
$td->setTripId($routetrip['id']); $td->setTripId($routetrip['id']);
} }
$tu->setTrip($td); $tu->setTrip($td);
foreach ($stops as $stop) { foreach ($stops as $stop) {
$stu = new transit_realtime\TripUpdate\StopTimeUpdate(); $stu = new transit_realtime\TripUpdate\StopTimeUpdate();
$stu->setStopId($stop); $stu->setStopId($stop);
$stu->setScheduleRelationship(transit_realtime\TripUpdate\StopTimeUpdate\ScheduleRelationship::SKIPPED); $stu->setScheduleRelationship(transit_realtime\TripUpdate\StopTimeUpdate\ScheduleRelationship::SKIPPED);
$tu->addStopTimeUpdate($stu); $tu->addStopTimeUpdate($stu);
} }
$fe->setTripUpdate($tu); $fe->setTripUpdate($tu);