Upgrade database schema to new official GTFS format
[busui.git] / myway / myway_timeliness_stop.json.php
Alexander Sadleir














Alexander Sadleir


Alexander Sadleir

Alexander Sadleir
Alexander Sadleir



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<?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.
 */
include ('../include/common.inc.php');
header('Content-Type: text/javascript; charset=utf8');
// header('Access-Control-Allow-Origin: http://bus.lambdacomplex.org/');
header('Access-Control-Max-Age: 3628800');
header('Access-Control-Allow-Methods: GET, POST, PUT, DELETE');
?>
{
"label": "<?php echo $_REQUEST['stopid']; ?>",
"data": <?php
$query = "select * from myway_timingdeltas INNER JOIN myway_observations
ON myway_observations.observation_id=myway_timingdeltas.observation_id
   where myway_stop = :myway_stop
   AND abs(timing_delta) < 2*(select stddev(timing_delta) from myway_timingdeltas)
   order by myway_timingdeltas.time;";
$query = $conn->prepare($query);
$query->bindParam(':myway_stop', $_REQUEST['stopid'], PDO::PARAM_STR, 42);
 
$query->execute();
if (!$query) {
    databaseError($conn->errorInfo());
    return Array();
}
foreach ($query->fetchAll() as $delta) {
    $points[] = "[" . ((strtotime("00:00Z") + midnight_seconds(strtotime($delta['time']))) * 1000) . ", {$delta['timing_delta']}]";
};
if (count($points) == 0) {
    echo "[]";
}
else
    echo "[" . implode(",", $points) . "]";
?>
}