MyWay timeliness study data collection
[busui.git] / include / db / stop-dao.inc.php
blob:a/include/db/stop-dao.inc.php -> blob:b/include/db/stop-dao.inc.php
<?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");
$query = $conn->prepare($query); $query = $conn->prepare($query);
$query->bindParam(":stopID", $stopID); $query->bindParam(":stopID", $stopID);
$query->execute(); $query->execute();
if (!$query) { if (!$query) {
databaseError($conn->errorInfo()); databaseError($conn->errorInfo());
return Array(); return Array();
} }
return $query->fetch(PDO::FETCH_ASSOC); return $query->fetch(PDO::FETCH_ASSOC);
} }
function getStops($timingPointsOnly = false, $firstLetter = "") function getStops($timingPointsOnly = false, $firstLetter = "", $startsWith = "")
{ {
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 != "") $conditions[] = "substr(stop_name,1,1) = :firstLetter";
  if ($startsWith != "") $conditions[] = "stop_name like :startsWith";
$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;";
$query = $conn->prepare($query); $query = $conn->prepare($query);
if ($firstLetter != "") $query->bindParam(":firstLetter", $firstLetter); if ($firstLetter != "") $query->bindParam(":firstLetter", $firstLetter);
   
  if ($startsWith != "") {
  $startsWith = $startsWith."%";
  $query->bindParam(":startsWith", $startsWith);
  }
$query->execute(); $query->execute();
if (!$query) { if (!$query) {
databaseError($conn->errorInfo()); databaseError($conn->errorInfo());
return Array(); return Array();
} }
return $query->fetchAll(); return $query->fetchAll();
} }
function getNearbyStops($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 != "") $limitSQL = " LIMIT :limit "; if ($limit != "") $limitSQL = " 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 $limitSQL;"; order by distance $limitSQL;";
debug($query, "database"); debug($query, "database");
$query = $conn->prepare($query); $query = $conn->prepare($query);
$query->bindParam(":distance", $distance); $query->bindParam(":distance", $distance);
$query->bindParam(":limit", $limit); $query->bindParam(":limit", $limit);
$query->execute(); $query->execute();
if (!$query) { if (!$query) {
databaseError($conn->errorInfo()); databaseError($conn->errorInfo());
return Array(); return Array();
} }
return $query->fetchAll(); return $query->fetchAll();
} }
function getStopsBySuburb($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");
$query = $conn->prepare($query); $query = $conn->prepare($query);
$suburb = "%" . $suburb . ";%"; $suburb = "%" . $suburb . ";%";
$query->bindParam(":suburb", $suburb); $query->bindParam(":suburb", $suburb);
$query->execute(); $query->execute();
if (!$query) { if (!$query) {
databaseError($conn->errorInfo()); databaseError($conn->errorInfo());
return Array(); return Array();
} }
return $query->fetchAll(); return $query->fetchAll();
} }
  function getStopsByStopCode($stop_code,$startsWith = "")
  {
  global $conn;
  $query = "Select * from stops where stop_code = :stop_code OR stop_code LIKE :stop_code2";
  if ($startsWith != "") $query .= " AND stop_name like :startsWith";
   
  debug($query, "database");
  $query = $conn->prepare($query);
   
  $query->bindParam(":stop_code", $stop_code);
  $stop_code2 = $stop_code . "%";
  $query->bindParam(":stop_code2", $stop_code2);
  if ($startsWith != "") {
  $startsWith = $startsWith."%";
  $query->bindParam(":startsWith", $startsWith);
  }
  $query->execute();
  if (!$query) {
  databaseError($conn->errorInfo());
  return Array();
  }
  return $query->fetchAll();
  }
function getStopRoutes($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");
$query = $conn->prepare($query); $query = $conn->prepare($query);
$query->bindParam(":service_period", $service_period); $query->bindParam(":service_period", $service_period);
$query->bindParam(":stopID", $stopID); $query->bindParam(":stopID", $stopID);
$query->execute(); $query->execute();
if (!$query) { if (!$query) {
databaseError($conn->errorInfo()); databaseError($conn->errorInfo());
return Array(); return Array();
} }
return $query->fetchAll(); return $query->fetchAll();
} }
function getStopTrips($stopID, $service_period = "", $afterTime = "") function getStopTrips($stopID, $service_period = "", $afterTime = "", $limit = "")
{ {
if ($service_period == "") $service_period = service_period(); if ($service_period == "") $service_period = service_period();
  if ($limit != "") $limitSQL = " LIMIT :limit ";
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, end_times.arrival_time as end_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,max(arrival_time) as 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 group by trip_id) as end_times WHERE stop_times.arrival_time IS NOT NULL group by trip_id) as end_times
WHERE stop_times.stop_id = :stopID WHERE stop_times.stop_id = :stopID
AND stop_times.trip_id = end_times.trip_id AND stop_times.trip_id = end_times.trip_id
AND service_id=:service_period AND service_id=:service_period
AND end_times.arrival_time > :afterTime AND end_times.arrival_time > :afterTime
ORDER BY end_time"; ORDER BY end_time $limitSQL";
} }
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 $limitSQL";
} }
debug($query, "database"); debug($query, "database");
$query = $conn->prepare($query); $query = $conn->prepare($query);
$query->bindParam(":service_period", $service_period); $query->bindParam(":service_period", $service_period);
$query->bindParam(":stopID", $stopID); $query->bindParam(":stopID", $stopID);
  if ($limit != "") $query->bindParam(":limit", $limit);
if ($afterTime != "") $query->bindParam(":afterTime", $afterTime); if ($afterTime != "") $query->bindParam(":afterTime", $afterTime);
$query->execute(); $query->execute();
if (!$query) { if (!$query) {
databaseError($conn->errorInfo()); databaseError($conn->errorInfo());
return Array(); return Array();
} }
return $query->fetchAll(); return $query->fetchAll();
} }
function getStopTripsWithTimes($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;
} }
?> ?>