<?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) < '20120427' && $dow != 0 && $dow != 6) { |
} |
return Array('Weekday-SchoolVacation', 'Weekday-SchoolVacation'); |
else { |
} else { |
return ""; |
return Array('Weekday', 'Weekday'); |
} |
} |
} |
} |
function getServiceAlerts($filter_class, $filter_id) { |
} |
/* |
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function valid_service_ids() { |
also need last modified epoch of client gtfs |
return array_merge(service_ids(''), service_ids('saturday'), service_ids('sunday')); |
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} |
- add,remove,patch,inform (null) |
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- stop |
function midnight_seconds($time = '') { |
- trip |
// from http://www.perturb.org/display/Perlfunc__Seconds_Since_Midnight.html |
- network |
if ($time != '') { |
- patterns (WHERE=) |
return (date('G', $time) * 3600) + (date('i', $time) * 60) + date('s', $time); |
- route (short_name or route_id) |
} |
- street |
if (isset($_SESSION['time'])) { |
- stop |
$time = strtotime($_SESSION['time']); |
- trip */ |
return (date('G', $time) * 3600) + (date('i', $time) * 60) + date('s', $time); |
$return = Array(); |
} |
$return['header']['gtrtfs_version'] = "1"; |
return (date('G') * 3600) + (date('i') * 60) + date('s'); |
$return['header']['timestamp'] = time(); |
} |
$return['entities'] = Array(); |
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foreach(getCurrentAlerts() as $alert) { |
function midnight_seconds_to_time($seconds) { |
$informedEntities = getInformedAlerts($alert['id'],$_REQUEST['filter_class'],$_REQUEST['filter_id']); |
if ($seconds > 0) { |
if (sizeof($informedEntities) >0) { |
$midnight = mktime(0, 0, 0, date('n'), date('j'), date('Y')); |
$entity = Array(); |
return date('h:ia', $midnight + $seconds); |
$entity['id'] = $alert['id']; |
} else { |
$entity['alert']['active_period']['start'] = $alert['start']; |
return ''; |
$entity['alert']['active_period']['end'] = $alert['end']; |
} |
$entity['alert']['url']['translation'] = $alert['url']; |
} |
$entity['alert']['description']['translation'] = $alert['description']; |
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if ($GTFSREnabled) { |
foreach ($informedEntities as $informedEntity) { |
$serviceAlertCause = Array( |
$informed = Array(); |
'UNKNOWN_CAUSE' => 'Unknown cause', |
$informed[$informedEntity['informed_class']."_id"] = $informedEntity['informed_id']; |
'OTHER_CAUSE' => 'Other cause', |
if ($informedEntity['informed_action'] != "") $informed["x-action"] = $informedEntity['informed_action']; |
'TECHNICAL_PROBLEM' => 'Technical problem', |
$informed[$informedEntity['class']."_type"] = $informedEntity['type']; |
'STRIKE' => 'Strike', |
$entity['informed'][] = $informed; |
'DEMONSTRATION' => 'Demonstration', |
} |
'ACCIDENT' => 'Accident', |
$return['entities'][] = $entity; |
'HOLIDAY' => 'Holiday', |
} |
'WEATHER' => 'Weather', |
} |
'MAINTENANCE' => 'Maintenance', |
return $return; |
'CONSTRUCTION' => 'Construction', |
} |
'POLICE_ACTIVITY' => 'Police activity', |
function getServiceAlertsByClass() { |
'MEDICAL_EMERGENCY' => 'Medical emergency' |
$return = Array(); |
); |
$alerts = getServiceAlerts("",""); |
$serviceAlertEffect = Array( |
foreach ($alerts['entities'] as $entity) { |
'NO_SERVICE' => 'No service', |
foreach ($entity['informed'] as $informed) { |
'REDUCED_SERVICE' => 'Reduced service', |
foreach($informed as $key => $value){ |
'SIGNIFICANT_DELAYS' => 'Significant delays', |
if (strpos("_id",$key) > 0) { |
'DETOUR' => 'Detour', |
$parts = explode($key); |
'ADDITIONAL_SERVICE' => 'Additional service', |
$class = $parts[0]; |
'MODIFIED_SERVICE' => 'Modified service', |
$id = $value; |
'OTHER_EFFECT' => 'Other effect', |
} |
'UNKNOWN_EFFECT' => 'Unknown effect', |
} |
'STOP_MOVED' => 'Stop moved'); |
$return[$class][$id]['entity'] = $entity; |
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$return[$class][$id]['action'] = $informed["x-action"]; |
set_include_path(get_include_path() . PATH_SEPARATOR . (ROOT. '/../lib/Protobuf-PHP/library/DrSlump/')); |
} |
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} |
include_once('Protobuf.php'); |
} |
include_once('Protobuf/Message.php'); |
?> |
include_once('Protobuf/Registry.php'); |
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include_once('Protobuf/Descriptor.php'); |
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include_once('Protobuf/Field.php'); |
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include_once(ROOT. '/../lib/Protobuf-PHP/gtfs-realtime.php'); |
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include_once('Protobuf/CodecInterface.php'); |
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include_once('Protobuf/Codec/PhpArray.php'); |
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include_once('Protobuf/Codec/Binary.php'); |
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include_once('Protobuf/Codec/Binary/Writer.php'); |
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include_once('Protobuf/Codec/Json.php'); |
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function getServiceAlerts($filter_class = '', $filter_id = '') { |
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/* |
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also need last modified epoch of client gtfs |
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- add,remove,patch,inform (null) |
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- stop |
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- trip |
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- network |
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- classes (WHERE=) |
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- route (short_name or route_id) |
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- street |
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- stop |
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- trip |
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Currently support: |
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network inform |
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trip patch: stop remove |
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street inform: route inform, trip inform, stop inform |
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route patch: trip remove |
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*/ |
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$current_alerts = getCurrentAlerts(); |
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$informed_count = 0; |
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if (sizeof($current_alerts) > 0) { |
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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 ($current_alerts as $current_alert) { |
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$affectsFilteredEntities = false; |
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$fe = new transit_realtime\FeedEntity(); |
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$fe->setId($current_alert['id']); |
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$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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$tr->setStart($current_alert['start']); |
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$tr->setEnd($current_alert['end']); |
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$alert->addActivePeriod($tr); |
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$informedEntities = getInformedAlerts($current_alert['id'], $filter_class, $filter_id); |
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if (sizeof($informedEntities) > 0) { |
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$affectsFilteredEntities = true; |
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foreach ($informedEntities as $informedEntity) { |
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$informed_count++; |
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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($es); |
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} |
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} |
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if ($current_alert['cause'] != '') { |
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$alert->setCause(constant('transit_realtime\Alert\Cause::' . $current_alert['cause'])); |
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} |
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if ($current_alert['effect'] != '') { |
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$alert->setEffect(constant('transit_realtime\Alert\Effect::' . $current_alert['effect'])); |
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} |
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if ($current_alert['url'] != '') { |
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$tsUrl = new transit_realtime\TranslatedString(); |
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$tUrl = new transit_realtime\TranslatedString\Translation(); |
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$tUrl->setText($current_alert['url']); |
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$tUrl->setLanguage('en'); |
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$tsUrl->addTranslation($tUrl); |
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$alert->setUrl($tsUrl); |
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} |
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if ($current_alert['header'] != '') { |
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$tsHeaderText = new transit_realtime\TranslatedString(); |
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$tHeaderText = new transit_realtime\TranslatedString\Translation(); |
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$tHeaderText->setText($current_alert['header']); |
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$tHeaderText->setLanguage('en'); |
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$tsHeaderText->addTranslation($tHeaderText); |
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$alert->setHeaderText($tsHeaderText); |
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} |
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if ($current_alert['description'] != '') { |
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$tsDescriptionText = new transit_realtime\TranslatedString(); |
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$tDescriptionText = new transit_realtime\TranslatedString\Translation(); |
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$tDescriptionText->setText(trim($current_alert['description'])); |
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$tDescriptionText->setLanguage('en'); |
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$tsDescriptionText->addTranslation($tDescriptionText); |
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$alert->setDescriptionText($tsDescriptionText); |
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} |
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$fe->setAlert($alert); |
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if ($affectsFilteredEntities) { |
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$fm->addEntity($fe); |
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} |
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} |
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if ($informed_count > 0) { |
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return $fm; |
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} else { |
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return null; |
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} |
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} else |
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return null; |
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} |
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function getServiceAlertsAsArray($filter_class = '', $filter_id = '') { |
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$alerts = getServiceAlerts($filter_class, $filter_id); |
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if ($alerts != null) { |
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$codec = new DrSlump\Protobuf\Codec\PhpArray(); |
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return $codec->encode($alerts); |
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} else { |
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return null; |
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} |
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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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} |