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