Get trips for stops that haven't *finished* not those that haven't started.
Get trips for stops that haven't *finished* not those that haven't started.

<?php <?php
function getStop($stopID) function getStop($stopID)
{ {
global $conn; global $conn;
$query = "Select * from stops where stop_id = '$stopID' LIMIT 1"; $query = "Select * from stops where stop_id = '$stopID' LIMIT 1";
debug($query, "database"); debug($query, "database");
$result = pg_query($conn, $query); $result = pg_query($conn, $query);
if (!$result) { if (!$result) {
databaseError(pg_result_error($result)); databaseError(pg_result_error($result));
return Array(); return Array();
} }
return pg_fetch_assoc($result); return pg_fetch_assoc($result);
} }
function getStops($timingPointsOnly = false, $firstLetter = "") function getStops($timingPointsOnly = false, $firstLetter = "")
{ {
global $conn; global $conn;
$conditions = Array(); $conditions = Array();
if ($timingPointsOnly) $conditions[] = "substr(stop_code,1,2) != 'Wj'"; if ($timingPointsOnly) $conditions[] = "substr(stop_code,1,2) != 'Wj'";
if ($firstLetter != "") $conditions[] = "substr(stop_name,1,1) = '$firstLetter'"; if ($firstLetter != "") $conditions[] = "substr(stop_name,1,1) = '$firstLetter'";
$query = "Select * from stops"; $query = "Select * from stops";
if (sizeof($conditions) > 0) { if (sizeof($conditions) > 0) {
if (sizeof($conditions) > 1) { if (sizeof($conditions) > 1) {
$query.= " Where " . implode(" AND ", $conditions) . " "; $query.= " Where " . implode(" AND ", $conditions) . " ";
} }
else { else {
$query.= " Where " . $conditions[0] . " "; $query.= " Where " . $conditions[0] . " ";
} }
} }
$query.= " order by stop_name;"; $query.= " order by stop_name;";
debug($query, "database"); debug($query, "database");
$result = pg_query($conn, $query); $result = pg_query($conn, $query);
if (!$result) { if (!$result) {
databaseError(pg_result_error($result)); databaseError(pg_result_error($result));
return Array(); return Array();
} }
return pg_fetch_all($result); return pg_fetch_all($result);
} }
function getNearbyStops($lat, $lng, $limit = "", $distance = 1000) function getNearbyStops($lat, $lng, $limit = "", $distance = 1000)
{ {
if ($lat == null || $lng == null) return Array(); if ($lat == null || $lng == null) return Array();
if ($limit != "") $limit = " LIMIT $limit "; if ($limit != "") $limit = " LIMIT $limit ";
global $conn; global $conn;
$query = "Select *, ST_Distance(position, ST_GeographyFromText('SRID=4326;POINT($lng $lat)'), FALSE) as distance $query = "Select *, ST_Distance(position, ST_GeographyFromText('SRID=4326;POINT($lng $lat)'), FALSE) as distance
from stops WHERE ST_DWithin(position, ST_GeographyFromText('SRID=4326;POINT($lng $lat)'), $distance, FALSE) from stops WHERE ST_DWithin(position, ST_GeographyFromText('SRID=4326;POINT($lng $lat)'), $distance, FALSE)
order by distance $limit;"; order by distance $limit;";
debug($query, "database"); debug($query, "database");
$result = pg_query($conn, $query); $result = pg_query($conn, $query);
if (!$result) { if (!$result) {
databaseError(pg_result_error($result)); databaseError(pg_result_error($result));
return Array(); return Array();
} }
return pg_fetch_all($result); return pg_fetch_all($result);
} }
function getStopsBySuburb($suburb) function getStopsBySuburb($suburb)
{ {
global $conn; global $conn;
$query = "Select * from stops where zone_id LIKE '%$suburb;%' order by stop_name;"; $query = "Select * from stops where zone_id LIKE '%$suburb;%' order by stop_name;";
debug($query, "database"); debug($query, "database");
$result = pg_query($conn, $query); $result = pg_query($conn, $query);
if (!$result) { if (!$result) {
databaseError(pg_result_error($result)); databaseError(pg_result_error($result));
return Array(); return Array();
} }
return pg_fetch_all($result); return pg_fetch_all($result);
} }
function getStopRoutes($stopID, $service_period) function getStopRoutes($stopID, $service_period)
{ {
if ($service_period == "") $service_period = service_period(); if ($service_period == "") $service_period = service_period();
global $conn; global $conn;
$query = "SELECT service_id,trips.route_id,route_short_name,route_long_name $query = "SELECT service_id,trips.route_id,route_short_name,route_long_name
FROM stop_times join trips on trips.trip_id = FROM stop_times join trips on trips.trip_id =
stop_times.trip_id join routes on trips.route_id = routes.route_id WHERE stop_id = '$stopID' AND service_id='$service_period'"; stop_times.trip_id join routes on trips.route_id = routes.route_id WHERE stop_id = '$stopID' AND service_id='$service_period'";
debug($query, "database"); debug($query, "database");
$result = pg_query($conn, $query); $result = pg_query($conn, $query);
if (!$result) { if (!$result) {
databaseError(pg_result_error($result)); databaseError(pg_result_error($result));
return Array(); return Array();
} }
return pg_fetch_all($result); return pg_fetch_all($result);
} }
function getStopTrips($stopID, $service_period = "", $afterTime = "") function getStopTrips($stopID, $service_period = "", $afterTime = "")
{ {
if ($service_period == "") $service_period = service_period(); if ($service_period == "") $service_period = service_period();
$afterCondition = "AND arrival_time > '$afterTime'"; $afterCondition = "AND arrival_time > '$afterTime'";
global $conn; global $conn;
if ($afterTime != "") { if ($afterTime != "") {
$query = " SELECT stop_times.trip_id,stop_times.arrival_time,stop_times.stop_id,stop_sequence,service_id,trips.route_id,route_short_name,route_long_name, start_times.arrival_time as start_time $query = " SELECT stop_times.trip_id,stop_times.arrival_time,stop_times.stop_id,stop_sequence,service_id,trips.route_id,route_short_name,route_long_name, end_times.arrival_time as end_time
FROM stop_times FROM stop_times
join trips on trips.trip_id = join trips on trips.trip_id =
stop_times.trip_id stop_times.trip_id
join routes on trips.route_id = routes.route_id , (SELECT trip_id,arrival_time from stop_times join routes on trips.route_id = routes.route_id , (SELECT trip_id,max(arrival_time) as arrival_time from stop_times
WHERE stop_times.arrival_time IS NOT NULL WHERE stop_times.arrival_time IS NOT NULL group by trip_id) as end_times
AND stop_sequence = '1') as start_times  
WHERE stop_times.stop_id = '$stopID' WHERE stop_times.stop_id = '$stopID'
AND stop_times.trip_id = start_times.trip_id AND stop_times.trip_id = end_times.trip_id
AND service_id='$service_period' AND service_id='$service_period'
AND start_times.arrival_time > '$afterTime' AND end_times.arrival_time > '$afterTime'
ORDER BY start_time"; ORDER BY end_time";
} }
else { else {
$query = "SELECT stop_times.trip_id,arrival_time,stop_times.stop_id,stop_sequence,service_id,trips.route_id,route_short_name,route_long_name $query = "SELECT stop_times.trip_id,arrival_time,stop_times.stop_id,stop_sequence,service_id,trips.route_id,route_short_name,route_long_name
FROM stop_times FROM stop_times
join trips on trips.trip_id = join trips on trips.trip_id =
stop_times.trip_id stop_times.trip_id
join routes on trips.route_id = routes.route_id join routes on trips.route_id = routes.route_id
WHERE stop_times.stop_id = '$stopID' WHERE stop_times.stop_id = '$stopID'
AND service_id='$service_period' AND service_id='$service_period'
ORDER BY arrival_time"; ORDER BY arrival_time";
} }
debug($query, "database"); debug($query, "database");
$result = pg_query($conn, $query); $result = pg_query($conn, $query);
if (!$result) { if (!$result) {
databaseError(pg_result_error($result)); databaseError(pg_result_error($result));
return Array(); return Array();
} }
return pg_fetch_all($result); return pg_fetch_all($result);
} }
function getStopTripsWithTimes($stopID, $time = "", $service_period = "", $time_range = "", $limit = "") function getStopTripsWithTimes($stopID, $time = "", $service_period = "", $time_range = "", $limit = "")
{ {
if ($service_period == "") $service_period = service_period(); if ($service_period == "") $service_period = service_period();
if ($time_range == "") $time_range = (24 * 60 * 60); if ($time_range == "") $time_range = (24 * 60 * 60);
if ($time == "") $time = current_time(); if ($time == "") $time = current_time();
if ($limit == "") $limit = 10; if ($limit == "") $limit = 10;
$trips = getStopTrips($stopID, $service_period, $time); $trips = getStopTrips($stopID, $service_period, $time);
$timedTrips = Array(); $timedTrips = Array();
if ($trips && sizeof($trips) > 0) { if ($trips && sizeof($trips) > 0) {
foreach ($trips as $trip) { foreach ($trips as $trip) {
if ($trip['arrival_time'] != "") { if ($trip['arrival_time'] != "") {
if (strtotime($trip['arrival_time']) > strtotime($time) and strtotime($trip['arrival_time']) < (strtotime($time) + $time_range)) { if (strtotime($trip['arrival_time']) > strtotime($time) and strtotime($trip['arrival_time']) < (strtotime($time) + $time_range)) {
$timedTrips[] = $trip; $timedTrips[] = $trip;
} }
} }
else { else {
$timedTrip = getTimeInterpolatedTripAtStop($trip['trip_id'], $trip['stop_sequence']); $timedTrip = getTimeInterpolatedTripAtStop($trip['trip_id'], $trip['stop_sequence']);
if ($timedTrip['arrival_time'] > $time and strtotime($timedTrip['arrival_time']) < (strtotime($time) + $time_range)) { if ($timedTrip['arrival_time'] > $time and strtotime($timedTrip['arrival_time']) < (strtotime($time) + $time_range)) {
$timedTrips[] = $timedTrip; $timedTrips[] = $timedTrip;
} }
} }
if (sizeof($timedTrips) > $limit) break; if (sizeof($timedTrips) > $limit) break;
} }
sktimesort($timedTrips, "arrival_time", true); sktimesort($timedTrips, "arrival_time", true);
} }
return $timedTrips; return $timedTrips;
} }
?> ?>
<?php <?php
function getTrip($tripID) function getTrip($tripID)
{ {
global $conn; global $conn;
$query = "Select * from trips $query = "Select * from trips
join routes on trips.route_id = routes.route_id join routes on trips.route_id = routes.route_id
where trip_id = '$tripID' where trip_id = '$tripID'
LIMIT 1"; LIMIT 1";
debug($query, "database"); debug($query, "database");
$result = pg_query($conn, $query); $result = pg_query($conn, $query);
if (!$result) { if (!$result) {
databaseError(pg_result_error($result)); databaseError(pg_result_error($result));
return Array(); return Array();
} }
return pg_fetch_assoc($result); return pg_fetch_assoc($result);
} }
function getTripShape() function getTripShape()
{ {
/* def handle_json_GET_tripstopTimes(self, params): /* def handle_json_GET_tripstopTimes(self, params):
schedule = self.server.schedule schedule = self.server.schedule
try: try:
trip = schedule.GetTrip(params.get('trip')) trip = schedule.GetTrip(params.get('trip'))
except KeyError: except KeyError:
# if a non-existent trip is searched for, the return nothing # if a non-existent trip is searched for, the return nothing
return return
time_stops = trip.GetTimeInterpolatedStops() time_stops = trip.GetTimeInterpolatedStops()
stops = [] stops = []
times = [] times = []
for arr,ts,is_timingpoint in time_stops: for arr,ts,is_timingpoint in time_stops:
stops.append(StopToTuple(ts.stop)) stops.append(StopToTuple(ts.stop))
times.append(arr) times.append(arr)
return [stops, times] return [stops, times]
def handle_json_GET_tripshape(self, params): def handle_json_GET_tripshape(self, params):
schedule = self.server.schedule schedule = self.server.schedule
try: try:
trip = schedule.GetTrip(params.get('trip')) trip = schedule.GetTrip(params.get('trip'))
except KeyError: except KeyError:
# if a non-existent trip is searched for, the return nothing # if a non-existent trip is searched for, the return nothing
return return
points = [] points = []
if trip.shape_id: if trip.shape_id:
shape = schedule.GetShape(trip.shape_id) shape = schedule.GetShape(trip.shape_id)
for (lat, lon, dist) in shape.points: for (lat, lon, dist) in shape.points:
points.append((lat, lon)) points.append((lat, lon))
else: else:
time_stops = trip.GetTimeStops() time_stops = trip.GetTimeStops()
for arr,dep,stop in time_stops: for arr,dep,stop in time_stops:
points.append((stop.stop_lat, stop.stop_lon)) points.append((stop.stop_lat, stop.stop_lon))
return points*/ return points*/
} }
function getTimeInterpolatedTrip($tripID) function getTimeInterpolatedTrip($tripID, $range = "")
{ {
global $conn; global $conn;
$query = "SELECT stop_times.trip_id,arrival_time,stop_times.stop_id,stop_lat,stop_lon,stop_name,stop_code, $query = "SELECT stop_times.trip_id,arrival_time,stop_times.stop_id,stop_lat,stop_lon,stop_name,stop_code,
stop_sequence,service_id,trips.route_id,route_short_name,route_long_name stop_sequence,service_id,trips.route_id,route_short_name,route_long_name
FROM stop_times FROM stop_times
join trips on trips.trip_id = stop_times.trip_id join trips on trips.trip_id = stop_times.trip_id
join routes on trips.route_id = routes.route_id join routes on trips.route_id = routes.route_id
join stops on stops.stop_id = stop_times.stop_id join stops on stops.stop_id = stop_times.stop_id
WHERE trips.trip_id = '$tripID' ORDER BY stop_sequence"; WHERE trips.trip_id = '$tripID' $range ORDER BY stop_sequence";
debug($query, "database"); debug($query, "database");
$result = pg_query($conn, $query); $result = pg_query($conn, $query);
if (!$result) { if (!$result) {
databaseError(pg_result_error($result)); databaseError(pg_result_error($result));
return Array(); return Array();
} }
$stopTimes = pg_fetch_all($result); $stopTimes = pg_fetch_all($result);
$cur_timepoint = Array(); $cur_timepoint = Array();
$next_timepoint = Array(); $next_timepoint = Array();
$distance_between_timepoints = 0.0; $distance_between_timepoints = 0.0;
$distance_traveled_between_timepoints = 0.0; $distance_traveled_between_timepoints = 0.0;
$rv = Array(); $rv = Array();
foreach ($stopTimes as $i => $stopTime) { foreach ($stopTimes as $i => $stopTime) {
if ($stopTime['arrival_time'] != "") { if ($stopTime['arrival_time'] != "") {
// is timepoint // is timepoint
$cur_timepoint = $stopTime; $cur_timepoint = $stopTime;
$distance_between_timepoints = 0.0; $distance_between_timepoints = 0.0;
$distance_traveled_between_timepoints = 0.0; $distance_traveled_between_timepoints = 0.0;
if ($i + 1 < sizeof($stopTimes)) { if ($i + 1 < sizeof($stopTimes)) {
$k = $i + 1; $k = $i + 1;
$distance_between_timepoints += distance($stopTimes[$k - 1]["stop_lat"], $stopTimes[$k - 1]["stop_lon"], $stopTimes[$k]["stop_lat"], $stopTimes[$k]["stop_lon"]); $distance_between_timepoints += distance($stopTimes[$k - 1]["stop_lat"], $stopTimes[$k - 1]["stop_lon"], $stopTimes[$k]["stop_lat"], $stopTimes[$k]["stop_lon"]);
while ($stopTimes[$k]["arrival_time"] == "" && $k + 1 < sizeof($stopTimes)) { while ($stopTimes[$k]["arrival_time"] == "" && $k + 1 < sizeof($stopTimes)) {
$k += 1; $k += 1;
//echo "k".$k; //echo "k".$k;
$distance_between_timepoints += distance($stopTimes[$k - 1]["stop_lat"], $stopTimes[$k - 1]["stop_lon"], $stopTimes[$k]["stop_lat"], $stopTimes[$k]["stop_lon"]); $distance_between_timepoints += distance($stopTimes[$k - 1]["stop_lat"], $stopTimes[$k - 1]["stop_lon"], $stopTimes[$k]["stop_lat"], $stopTimes[$k]["stop_lon"]);
} }
$next_timepoint = $stopTimes[$k]; $next_timepoint = $stopTimes[$k];
$rv[] = $stopTime; $rv[] = $stopTime;
} }
} }
else { else {
// is untimed point // is untimed point
//echo "i".$i; //echo "i".$i;
$distance_traveled_between_timepoints += distance($stopTimes[$i - 1]["stop_lat"], $stopTimes[$i - 1]["stop_lon"], $stopTimes[$i]["stop_lat"], $stopTimes[$i]["stop_lon"]); $distance_traveled_between_timepoints += distance($stopTimes[$i - 1]["stop_lat"], $stopTimes[$i - 1]["stop_lon"], $stopTimes[$i]["stop_lat"], $stopTimes[$i]["stop_lon"]);
//echo "$distance_traveled_between_timepoints / $distance_between_timepoints<br>"; //echo "$distance_traveled_between_timepoints / $distance_between_timepoints<br>";
$distance_percent = $distance_traveled_between_timepoints / $distance_between_timepoints; $distance_percent = $distance_traveled_between_timepoints / $distance_between_timepoints;
if ($next_timepoint["arrival_time"] != "") { if ($next_timepoint["arrival_time"] != "") {
$total_time = strtotime($next_timepoint["arrival_time"]) - strtotime($cur_timepoint["arrival_time"]); $total_time = strtotime($next_timepoint["arrival_time"]) - strtotime($cur_timepoint["arrival_time"]);
//echo strtotime($next_timepoint["arrival_time"])." - ".strtotime($cur_timepoint["arrival_time"])."<br>"; //echo strtotime($next_timepoint["arrival_time"])." - ".strtotime($cur_timepoint["arrival_time"])."<br>";
$time_estimate = ($distance_percent * $total_time) + strtotime($cur_timepoint["arrival_time"]); $time_estimate = ($distance_percent * $total_time) + strtotime($cur_timepoint["arrival_time"]);
$stopTime["arrival_time"] = date("H:i:s", $time_estimate); $stopTime["arrival_time"] = date("H:i:s", $time_estimate);
} else { } else {
$stopTime["arrival_time"] = $cur_timepoint["arrival_time"]; $stopTime["arrival_time"] = $cur_timepoint["arrival_time"];
} }
$rv[] = $stopTime; $rv[] = $stopTime;
//var_dump($rv); //var_dump($rv);
} }
} }
return $rv; return $rv;
} }
function getTimeInterpolatedTripAtStop($tripID, $stop_sequence, $stop_id = "") function getTimeInterpolatedTripAtStop($tripID, $stop_sequence)
{ {
foreach (getTimeInterpolatedTrip($tripID) as $tripStop) { global $conn;
  // limit interpolation to between nearest actual points.
  $prevTimePoint = pg_fetch_assoc(pg_query($conn," SELECT trip_id,stop_id,
  stop_sequence
  FROM stop_times
  WHERE trip_id = '$tripID' and stop_sequence < $stop_sequence and stop_times.arrival_time IS NOT NULL ORDER BY stop_sequence DESC LIMIT 1"));
  $nextTimePoint = pg_fetch_assoc(pg_query($conn," SELECT trip_id,stop_id,
  stop_sequence
  FROM stop_times
  WHERE trip_id = '$tripID' and stop_sequence > $stop_sequence and stop_times.arrival_time IS NOT NULL ORDER BY stop_sequence LIMIT 1"));
  $range = "AND stop_sequence >= '{$prevTimePoint['stop_sequence']}' AND stop_sequence <= '{$nextTimePoint['stop_sequence']}'";
  foreach (getTimeInterpolatedTrip($tripID,$range) as $tripStop) {
if ($tripStop['stop_sequence'] == $stop_sequence) return $tripStop; if ($tripStop['stop_sequence'] == $stop_sequence) return $tripStop;
if ($tripStop['stop_id'] == $stop_id) return $tripStop;  
} }
return Array(); return Array();
} }
function getTripStartTime($tripID) function getTripStartTime($tripID)
{ {
global $conn; global $conn;
$query = "Select * from stop_times $query = "Select * from stop_times
where trip_id = '$tripID' where trip_id = '$tripID'
AND arrival_time IS NOT NULL AND arrival_time IS NOT NULL
AND stop_sequence = '1'"; AND stop_sequence = '1'";
debug($query, "database"); debug($query, "database");
$result = pg_query($conn, $query); $result = pg_query($conn, $query);
if (!$result) { if (!$result) {
databaseError(pg_result_error($result)); databaseError(pg_result_error($result));
return Array(); return Array();
} }
$r = pg_fetch_assoc($result); $r = pg_fetch_assoc($result);
return $r['arrival_time']; return $r['arrival_time'];
} }
  function getActiveTrips($time)
  {
  global $conn;
  if ($time == "") $time = current_time();
  $query = "Select distinct stop_times.trip_id, start_times.arrival_time as start_time, end_times.arrival_time as end_time from stop_times, (SELECT trip_id,arrival_time from stop_times WHERE stop_times.arrival_time IS NOT NULL
  AND stop_sequence = '1') as start_times, (SELECT trip_id,max(arrival_time) as arrival_time from stop_times WHERE stop_times.arrival_time IS NOT NULL group by trip_id) as end_times
  WHERE start_times.trip_id = end_times.trip_id AND stop_times.trip_id = end_times.trip_id AND $time > start_times.arrival_time AND $time < end_times.arrival_time";
  debug($query, "database");
  $result = pg_query($conn, $query);
  if (!$result) {
  databaseError(pg_result_error($result));
  return Array();
  }
  return pg_fetch_all($result);
  }
   
function viaPointNames($tripid, $stop_sequence = "") function viaPointNames($tripid, $stop_sequence = "")
{ {
global $conn; global $conn;
$query = "SELECT stop_name $query = "SELECT stop_name
FROM stop_times join stops on stops.stop_id = stop_times.stop_id FROM stop_times join stops on stops.stop_id = stop_times.stop_id
WHERE stop_times.trip_id = '$tripid' WHERE stop_times.trip_id = '$tripid'
".($stop_sequence != "" ? "AND stop_sequence > '$stop_sequence'" : ""). ".($stop_sequence != "" ? "AND stop_sequence > '$stop_sequence'" : "").
"AND substr(stop_code,1,2) != 'Wj' ORDER BY stop_sequence"; "AND substr(stop_code,1,2) != 'Wj' ORDER BY stop_sequence";
debug($query, "database"); debug($query, "database");
$result = pg_query($conn, $query); $result = pg_query($conn, $query);
if (!$result) { if (!$result) {
databaseError(pg_result_error($result)); databaseError(pg_result_error($result));
return Array(); return Array();
} }
$pointNames = pg_fetch_all($result); $pointNames = pg_fetch_all($result);
return r_implode(", ", $pointNames); return r_implode(", ", $pointNames);
} }
?> ?>
file:a/stop.php -> file:b/stop.php
<?php <?php
include ('include/common.inc.php'); include ('include/common.inc.php');
$stopid = filter_var($_REQUEST['stopid'], FILTER_SANITIZE_NUMBER_INT); $stopid = filter_var($_REQUEST['stopid'], FILTER_SANITIZE_NUMBER_INT);
$stopcode = filter_var($_REQUEST['stopcode'], FILTER_SANITIZE_STRING); $stopcode = filter_var($_REQUEST['stopcode'], FILTER_SANITIZE_STRING);
if ($stopid) $stop = getStop($stopid); if ($stopid) $stop = getStop($stopid);
/*if ($stopcode != "" && $stop[5] != $stopcode) { /*if ($stopcode != "" && $stop[5] != $stopcode) {
$url = $APIurl . "/json/stopcodesearch?q=" . $stopcode; $url = $APIurl . "/json/stopcodesearch?q=" . $stopcode;
$stopsearch = json_decode(getPage($url)); $stopsearch = json_decode(getPage($url));
$stopid = $stopsearch[0][0]; $stopid = $stopsearch[0][0];