| <?php | <?php |
| /* | |
| * Copyright 2010,2011 Alexander Sadleir | |
| Licensed under the Apache License, Version 2.0 (the "License"); | |
| you may not use this file except in compliance with the License. | |
| You may obtain a copy of the License at | |
| http://www.apache.org/licenses/LICENSE-2.0 | |
| Unless required by applicable law or agreed to in writing, software | |
| distributed under the License is distributed on an "AS IS" BASIS, | |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| See the License for the specific language governing permissions and | |
| limitations under the License. | |
| */ | |
| $service_periods = Array( | $service_periods = Array( |
| 'sunday', | 'sunday', |
| 'saturday', | 'saturday', |
| 'weekday' | 'weekday', |
| "Christmas2011","EndOfYearHolidays" | |
| ); | ); |
| function service_period($date = "") | function service_period($date = "") { |
| { | |
| if (isset($_REQUEST['service_period'])) { | |
| if (isset($_SESSION['service_period'])) return $_SESSION['service_period']; | return $_REQUEST['service_period']; |
| $override = getServiceOverride($date); | } |
| if ($override['service_id']){ | |
| return $override['service_id']; | $override = getServiceOverride($date); |
| } | if (isset($override['service_id'])) { |
| return strtolower($override['service_id']); | |
| switch (date('w',($date != "" ? $date : time()))) { | } |
| case 0: | $date = ($date != "" ? $date : time()); |
| return 'sunday'; | // christmas special cases |
| case 6: | $ymd = date('Ymd', $date); |
| return 'saturday'; | $dow = date('w', $date); |
| default: | if ($ymd == "20111225") { |
| return 'weekday'; | return "Christmas2011"; |
| } | } if ($ymd == "20111228" || $ymd == "20111229" || $ymd == "20111230") { |
| } | return "EndOfYearHolidays"; |
| function midnight_seconds($time = "") | } else if (intval($ymd) < "20120203" && $dow != 0 && $dow != 6) { |
| { | return "Weekday-SchoolVacation"; |
| // from http://www.perturb.org/display/Perlfunc__Seconds_Since_Midnight.html | } else { |
| if ($time != "") { | switch ($dow) { |
| return (date("G", $time) * 3600) + (date("i", $time) * 60) + date("s", $time); | case 0: |
| } | return 'sunday'; |
| if (isset($_SESSION['time'])) { | case 6: |
| $time = strtotime($_SESSION['time']); | return 'saturday'; |
| return (date("G", $time) * 3600) + (date("i", $time) * 60) + date("s", $time); | default: |
| } | return 'weekday'; |
| return (date("G") * 3600) + (date("i") * 60) + date("s"); | } |
| } | } |
| function midnight_seconds_to_time($seconds) | } |
| { | |
| if ($seconds > 0) { | function service_ids($service_period) { |
| $midnight = mktime(0, 0, 0, date("n") , date("j") , date("Y")); | switch ($service_period) { |
| return date("h:ia", $midnight + $seconds); | case 'sunday': |
| } | return Array("Sunday", "Sunday"); |
| else { | case 'saturday': |
| return ""; | return Array("Saturday", "Saturday"); |
| } | case "Christmas2011": |
| } | return Array("Christmas2011", "Christmas2011"); |
| function getServiceAlerts($filter_class, $filter_id) { | case "EndOfYearHolidays": |
| /* | return Array("Weekday-EndOfYearHolidays", "Weekday-EndOfYearHolidays"); |
| case "Weekday-SchoolVacation": | |
| also need last modified epoch of client gtfs | return Array("Weekday", "Weekday-SchoolVacation"); |
| default: | |
| - add,remove,patch,inform (null) | //return 'weekday'; |
| - stop | return Array("Weekday", "Weekday"); |
| - trip | } |
| - network | } |
| - patterns (WHERE=) | |
| - route (short_name or route_id) | function valid_service_ids() { |
| - street | return array_merge(service_ids(""), service_ids('saturday'), service_ids('sunday'), |
| - stop | Array("Christmas2011","Weekday-EndOfYearHolidays","Weekday-SchoolVacation")); |
| - trip */ | } |
| $return = Array(); | |
| $return['header']['gtrtfs_version'] = "1"; | function midnight_seconds($time = "") { |
| $return['header']['timestamp'] = time(); | // from http://www.perturb.org/display/Perlfunc__Seconds_Since_Midnight.html |
| $return['entities'] = Array(); | if ($time != "") { |
| foreach(getCurrentAlerts() as $alert) { | return (date("G", $time) * 3600) + (date("i", $time) * 60) + date("s", $time); |
| $informedEntities = getInformedAlerts($alert['id'],$_REQUEST['filter_class'],$_REQUEST['filter_id']); | } |
| if (sizeof($informedEntities) >0) { | if (isset($_SESSION['time'])) { |
| $entity = Array(); | $time = strtotime($_SESSION['time']); |
| $entity['id'] = $alert['id']; | return (date("G", $time) * 3600) + (date("i", $time) * 60) + date("s", $time); |
| $entity['alert']['active_period']['start'] = $alert['start']; | } |
| $entity['alert']['active_period']['end'] = $alert['end']; | return (date("G") * 3600) + (date("i") * 60) + date("s"); |
| $entity['alert']['url']['translation'] = $alert['url']; | } |
| $entity['alert']['description']['translation'] = $alert['description']; | |
| function midnight_seconds_to_time($seconds) { | |
| foreach ($informedEntities as $informedEntity) { | if ($seconds > 0) { |
| $informed = Array(); | $midnight = mktime(0, 0, 0, date("n"), date("j"), date("Y")); |
| $informed[$informedEntity['informed_class']."_id"] = $informedEntity['informed_id']; | return date("h:ia", $midnight + $seconds); |
| if ($informedEntity['informed_action'] != "") $informed["x-action"] = $informedEntity['informed_action']; | } else { |
| $informed[$informedEntity['class']."_type"] = $informedEntity['type']; | return ""; |
| $entity['informed'][] = $informed; | } |
| } | } |
| $return['entities'][] = $entity; | |
| } | if ($GTFSREnabled) { |
| } | $serviceAlertCause = Array( |
| return $return; | "UNKNOWN_CAUSE" => "Unknown cause", |
| } | "OTHER_CAUSE" => "Other cause", |
| function getServiceAlertsByClass() { | "TECHNICAL_PROBLEM" => "Technical problem", |
| $return = Array(); | "STRIKE" => "Strike", |
| $alerts = getServiceAlerts("",""); | "DEMONSTRATION" => "Demonstration", |
| foreach ($alerts['entities'] as $entity) { | "ACCIDENT" => "Accident", |
| foreach ($entity['informed'] as $informed) { | "HOLIDAY" => "Holiday", |
| foreach($informed as $key => $value){ | "WEATHER" => "Weather", |
| if (strpos("_id",$key) > 0) { | "MAINTENANCE" => "Maintenance", |
| $parts = explode($key); | "CONSTRUCTION" => "Construction", |
| $class = $parts[0]; | "POLICE_ACTIVITY" => "Police activity", |
| $id = $value; | "MEDICAL_EMERGENCY" => "Medical emergency" |
| } | ); |
| } | $serviceAlertEffect = Array( |
| $return[$class][$id]['entity'] = $entity; | "NO_SERVICE" => "No service", |
| $return[$class][$id]['action'] = $informed["x-action"]; | "REDUCED_SERVICE" => "Reduced service", |
| } | "SIGNIFICANT_DELAYS" => "Significant delays", |
| } | "DETOUR" => "Detour", |
| "ADDITIONAL_SERVICE" => "Additional service", | |
| "MODIFIED_SERVICE" => "Modified service", | |
| "OTHER_EFFECT" => "Other effect", | |
| "UNKNOWN_EFFECT" => "Unknown effect", | |
| "STOP_MOVED" => "Stop moved"); | |
| set_include_path(get_include_path() . PATH_SEPARATOR . ($basePath . "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($basePath . "lib/Protobuf-PHP/gtfs-realtime.php"); | |
| include_once("Protobuf/CodecInterface.php"); | |
| include_once("Protobuf/Codec/PhpArray.php"); | |
| include_once("Protobuf/Codec/Binary.php"); | |
| include_once("Protobuf/Codec/Binary/Writer.php"); | |
| include_once("Protobuf/Codec/Json.php"); | |
| function getServiceAlerts($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)); | |
| } | |
| } | } |
| ?> | ?> |