Merge branch 'master' of https://github.com/maxious/ACTBus-ui
[busui.git] / include / common-transit.inc.php
blob:a/include/common-transit.inc.php -> blob:b/include/common-transit.inc.php
<?php <?php
$service_periods = Array( $service_periods = Array(
'sunday', 'sunday',
'saturday', 'saturday',
'weekday' 'weekday'
); );
   
function service_period($date = "") function service_period($date = "")
{ {
if (isset($_SESSION['service_period'])) return $_SESSION['service_period']; if (isset($_SESSION['service_period'])) return $_SESSION['service_period'];
$override = getServiceOverride($date); $override = getServiceOverride($date);
if ($override['service_id']){ if ($override['service_id']){
return $override['service_id']; return $override['service_id'];
} }
   
switch (date('w',($date != "" ? $date : time()))) { switch (date('w',($date != "" ? $date : time()))) {
case 0: case 0:
return 'sunday'; return 'sunday';
case 6: case 6:
return 'saturday'; return 'saturday';
default: default:
return 'weekday'; return 'weekday';
} }
} }
function midnight_seconds($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) {
  $serviceAlertCause = Array(
  "UNKNOWN_CAUSE" => "Unknown cause",
  "OTHER_CAUSE" => "Other cause",
  "TECHNICAL_PROBLEM" => "Technical problem",
  "STRIKE" => "Strike",
  "DEMONSTRATION" => "Demonstration",
  "ACCIDENT" => "Accident",
  "HOLIDAY" => "Holiday",
  "WEATHER" => "Weather",
  "MAINTENANCE" => "Maintenance",
  "CONSTRUCTION" => "Construction",
  "POLICE_ACTIVITY" => "Police activity",
  "MEDICAL_EMERGENCY" => "Medical emergency"
  );
  $serviceAlertEffect = Array(
  "NO_SERVICE" => "No service",
  "REDUCED_SERVICE" => "Reduced service",
  "SIGNIFICANT_DELAYS" => "Significant delays",
  "DETOUR" => "Detour",
  "ADDITIONAL_SERVICE" => "Additional service",
  "MODIFIED_SERVICE" => "Modified service",
  "OTHER_EFFECT" => "Other effect",
  "UNKNOWN_EFFECT" => "Unknown effect",
  "STOP_MOVED" => "Stop moved");
   
  set_include_path(get_include_path() . PATH_SEPARATOR . $labsPath."lib/Protobuf-PHP/library/DrSlump/");
   
  include_once("Protobuf.php");
  include_once("Protobuf/Message.php");
  include_once("Protobuf/Registry.php");
  include_once("Protobuf/Descriptor.php");
  include_once("Protobuf/Field.php");
   
  include_once($labsPath."lib/Protobuf-PHP/gtfs-realtime.php");
  include_once("Protobuf/CodecInterface.php");
  include_once("Protobuf/Codec/PhpArray.php");
  include_once("Protobuf/Codec/Binary.php");
  include_once("Protobuf/Codec/Binary/Writer.php");
  include_once("Protobuf/Codec/Json.php");
   
  function getServiceAlerts($filter_class = "", $filter_id = "") {
  /*
   
  also need last modified epoch of client gtfs
   
  - add,remove,patch,inform (null)
  - stop
  - trip
  - network
  - classes (WHERE=)
  - route (short_name or route_id)
  - street
  - stop
  - trip
  Currently support:
  network inform
  trip patch: stop remove
  street inform: route inform, trip inform, stop inform
  route patch: trip remove
  */
  $fm = new transit_realtime\FeedMessage();
  $fh = new transit_realtime\FeedHeader();
  $fh->setGtfsRealtimeVersion(1);
  $fh->setTimestamp(time());
  $fm->setHeader($fh);
  foreach(getCurrentAlerts() as $alert) {
  $fe = new transit_realtime\FeedEntity();
  $fe->setId($alert['id']);
  $fe->setIsDeleted(false);
  $alert = new transit_realtime\Alert();
  $tr = new transit_realtime\TimeRange();
  $tr->setStart($alert['start']);
  $tr->setEnd($alert['end']);
  $alert-> addActivePeriod($tr);
  $informedEntities = getInformedAlerts($alert['id'],$_REQUEST['filter_class'],$_REQUEST['filter_id']);
  if (sizeof($informedEntities) >0) {
  $informed = Array();
  $es = new transit_realtime\EntitySelector();
  if ($informedEntity['informed_class'] == "agency") {
  $es->setAgencyId($informedEntity['informed_id']);
  }
  if ($informedEntity['informed_class'] == "stop") {
  $es->setStopId($informedEntity['informed_id']);
  }
  if ($informedEntity['informed_class'] == "route") {
  $es->setRouteId($informedEntity['informed_id']);
  }
  if ($informedEntity['informed_class'] == "trip") {
  $td = new transit_realtime\TripDescriptor();
  $td->setTripId($informedEntity['informed_id']);
  $es->setTrip($td);
  }
  $alert-> addInformedEntity($es);
  }
  $alert->setCause(constant("transit_realtime\Alert\Cause::".$alert['cause']));
  $alert->setEffect(constant("transit_realtime\Alert\Effect::".$alert['effect']));
  $tsUrl = new transit_realtime\TranslatedString();
  $tUrl = new transit_realtime\TranslatedString\Translation();
  $tUrl->setText($alert['url']);
  $tUrl->setLanguage("en");
  $tsUrl->addTranslation($tUrl);
  $alert->setUrl($tsUrl);
  $tsHeaderText= new transit_realtime\TranslatedString();
  $tHeaderText = new transit_realtime\TranslatedString\Translation();
  $tHeaderText->setText($alert['header']);
  $tHeaderText->setLanguage("en");
  $tsHeaderText->addTranslation($tHeaderText);
  $alert->setHeaderText($tsHeaderText);
  $tsDescriptionText= new transit_realtime\TranslatedString();
  $tDescriptionText = new transit_realtime\TranslatedString\Translation();
  $tDescriptionText->setText($alert['description']);
  $tDescriptionText->setLanguage("en");
  $tsDescriptionText->addTranslation($tDescriptionText);
  $alert->setDescriptionText($tsDescriptionText);
  $fe->setAlert($alert);
  $fm->addEntity($fe);
  }
  return $fm;
  }
  function getServiceAlertsAsArray($filter_class = "", $filter_id = "") {
  $codec = new DrSlump\Protobuf\Codec\PhpArray();
  return $codec->encode(getServiceAlerts($filter_class, $filter_id));
  }
   
  function getServiceAlertsAsBinary($filter_class = "", $filter_id = "") {
  $codec = new DrSlump\Protobuf\Codec\Binary();
  return $codec->encode(getServiceAlerts($filter_class, $filter_id));
  }
   
  function getServiceAlertsAsJSON($filter_class = "", $filter_id = "") {
  $codec = new DrSlump\Protobuf\Codec\Json();
  return $codec->encode(getServiceAlerts($filter_class, $filter_id));
  }
  function getServiceAlertsByClass() {
  $return = Array();
  $alerts = getServiceAlertsAsArray("","");
  foreach ($alerts['entities'] as $entity) {
  foreach ($entity['informed'] as $informed) {
  foreach($informed as $key => $value){
  if (strpos("_id",$key) > 0) {
  $parts = explode($key);
  $class = $parts[0];
  $id = $value;
  }
  }
  $return[$class][$id][] = $entity;
  }
  }
  }
   
  function getTripUpdates($filter_class = "", $filter_id = "") {
  $fm = new transit_realtime\FeedMessage();
  $fh = new transit_realtime\FeedHeader();
  $fh->setGtfsRealtimeVersion(1);
  $fh->setTimestamp(time());
  $fm->setHeader($fh);
  foreach(getCurrentAlerts() as $alert) {
  $informedEntities = getInformedAlerts($alert['id'],$_REQUEST['filter_class'],$_REQUEST['filter_id']);
  $stops = Array();
  $routestrips = Array();
  if (sizeof($informedEntities) >0) {
  if ($informedEntity['informed_class'] == "stop" && $informed["x-action"] == "remove") {
  $stops[] = $informedEntity['informed_id'];
  }
  if (($informedEntity['informed_class'] == "route" || $informedEntity['informed_class'] == "trip") && $informed["x-action"] == "patch" ) {
  $routestrips[] = Array( "id" => $informedEntity['informed_id'],
  "type"=>$informedEntity['informed_class']);
  }
  }
  foreach ($routestrips as $routetrip) {
  $fe = new transit_realtime\FeedEntity();
  $fe->setId($alert['id'].$routetrip['id']);
  $fe->setIsDeleted(false);
  $tu = new transit_realtime\TripUpdate();
  $td = new transit_realtime\TripDescriptor();
  if ($routetrip['type'] == "route") {
  $td->setRouteId($routetrip['id']);
  } else if ($routetrip['type'] == "trip") {
  $td->setTripId($routetrip['id']);
  }
  $tu->setTrip($td);
  foreach ($stops as $stop) {
  $stu = new transit_realtime\TripUpdate\StopTimeUpdate();
  $stu->setStopId($stop);
  $stu->setScheduleRelationship(transit_realtime\TripUpdate\StopTimeUpdate\ScheduleRelationship::SKIPPED);
  $tu->addStopTimeUpdate($stu);
  }
  $fe->setTripUpdate($tu);
  $fm->addEntity($fe);
  }
   
  }
  return $fm;
   
  }
  function getTripUpdatesAsArray($filter_class = "", $filter_id = "") {
  $codec = new DrSlump\Protobuf\Codec\PhpArray();
  return $codec->encode(getTripUpdates($filter_class, $filter_id));
  }
   
  function getTripUpdatesAsBinary($filter_class = "", $filter_id = "") {
  $codec = new DrSlump\Protobuf\Codec\Binary();
  return $codec->encode(getTripUpdates($filter_class, $filter_id));
  }
   
  function getTripUpdatesAsJSON($filter_class = "", $filter_id = "") {
  $codec = new DrSlump\Protobuf\Codec\Json();
  return $codec->encode(getTripUpdates($filter_class, $filter_id));
  }
  }
?> ?>