Experiment about making graphs of route trips
[busui.git] / include / db / route-dao.inc.php
blob:a/include/db/route-dao.inc.php -> blob:b/include/db/route-dao.inc.php
<?php <?php
  function getRoute($routeID)
  {
  global $conn;
  $query = "Select * from routes where route_id = :routeID LIMIT 1";
  debug($query, "database");
  $query = $conn->prepare($query);
  $query->bindParam(":routeID", $routeID);
  $query->execute();
  if (!$query) {
  databaseError($conn->errorInfo());
  return Array();
  }
  return $query->fetch(PDO::FETCH_ASSOC);
  }
  function getRoutes()
  {
  global $conn;
  $query = "Select * from routes order by route_short_name;";
  debug($query, "database");
  $query = $conn->prepare($query);
  $query->execute();
  if (!$query) {
  databaseError($conn->errorInfo());
  return Array();
  }
  return $query->fetchAll();
  }
  function getRoutesByNumber($routeNumber = "")
  {
  global $conn;
  if ($routeNumber != "") {
  $query = "Select distinct routes.route_id,routes.route_short_name,routes.route_long_name,service_id from routes join trips on trips.route_id =
  routes.route_id join stop_times on stop_times.trip_id = trips.trip_id where route_short_name = :routeNumber order by route_short_name;";
  }
  else {
  $query = "SELECT DISTINCT route_short_name from routes order by route_short_name";
  }
  debug($query, "database");
  $query = $conn->prepare($query);
  if ($routeNumber != "") {
  $query->bindParam(":routeNumber", $routeNumber);
  }
  $query->execute();
  if (!$query) {
  databaseError($conn->errorInfo());
  return Array();
  }
  return $query->fetchAll();
  }
  function getRoutesByNumberSeries($routeNumberSeries = "")
  {
  global $conn;
  if (strlen($routeNumberSeries) == 1) {
  return getRoutesByNumber($routeNumberSeries);
  }
  $seriesMin = substr($routeNumberSeries, 0, -1) . "0";
  $seriesMax = substr($routeNumberSeries, 0, -1) . "9";
  $query = "Select distinct routes.route_id,routes.route_short_name,routes.route_long_name,service_id from routes join trips on trips.route_id =
  routes.route_id join stop_times on stop_times.trip_id = trips.trip_id where to_number(route_short_name, 'FM999') between :seriesMin and :seriesMax OR route_short_name LIKE :routeNumberSeries order by route_short_name;";
  debug($query, "database");
  $query = $conn->prepare($query);
  $query->bindParam(":seriesMin", $seriesMin);
  $query->bindParam(":seriesMax", $seriesMax);
  $routeNumberSeries = "% ".substr($routeNumberSeries, 0, -1)."%";
  $query->bindParam(":routeNumberSeries", $routeNumberSeries);
  $query->execute();
  if (!$query) {
  databaseError($conn->errorInfo());
  return Array();
  }
  return $query->fetchAll();
  }
  function getRouteNextTrip($routeID)
  {
  global $conn;
  $query = "select * from routes join trips on trips.route_id = routes.route_id
  join stop_times on stop_times.trip_id = trips.trip_id where
  arrival_time > :currentTime and routes.route_id = :routeID order by
  arrival_time limit 1";
  debug($query, "database");
  $query = $conn->prepare($query);
  $query->bindParam(":currentTime", current_time());
  $query->bindParam(":routeID", $routeID);
  $query->execute();
  if (!$query) {
  databaseError($conn->errorInfo());
  return Array();
  }
  $r = $query->fetch(PDO::FETCH_ASSOC);
   
function getRoute($routeID) { // past last trip of the day special case
global $conn; if (sizeof($r) < 16) {
$query = "Select * from routes where route_id = '$routeID' LIMIT 1"; $query = "select * from routes join trips on trips.route_id = routes.route_id
debug($query,"database"); join stop_times on stop_times.trip_id = trips.trip_id where routes.route_id = :routeID order by
$result = pg_query($conn, $query);  
if (!$result) {  
databaseError(pg_result_error($result));  
return Array();  
}  
return pg_fetch_assoc($result);  
}  
function getRoutes() {  
global $conn;  
$query = "Select * from routes order by route_short_name;";  
debug($query,"database");  
$result = pg_query($conn, $query);  
if (!$result) {  
databaseError(pg_result_error($result));  
return Array();  
}  
return pg_fetch_all($result);  
}  
   
function getRoutesByNumber($routeNumber = "") {  
global $conn;  
if ($routeNumber != "") {  
$query = "Select distinct routes.route_id,routes.route_short_name,routes.route_long_name,service_id from routes join trips on trips.route_id =  
routes.route_id join stop_times on stop_times.trip_id = trips.trip_id where route_short_name = '$routeNumber' order by route_short_name;";  
} else {  
$query = "SELECT DISTINCT route_short_name from routes order by route_short_name";  
}  
debug($query,"database");  
$result = pg_query($conn, $query);  
if (!$result) {  
databaseError(pg_result_error($result));  
return Array();  
}  
return pg_fetch_all($result);  
}  
   
function getRouteNextTrip($routeID) {  
global $conn;  
$query = "select * from routes join trips on trips.route_id = routes.route_id  
join stop_times on stop_times.trip_id = trips.trip_id where  
arrival_time > '".current_time()."' and routes.route_id = '$routeID' order by  
arrival_time limit 1";  
debug($query,"database");  
$result = pg_query($conn, $query);  
if (!$result) {  
databaseError(pg_result_error($result));  
return Array();  
}  
$r = pg_fetch_assoc($result);  
// past last trip of the day special case  
if (sizeof($r) == 0) {  
$query = "select * from routes join trips on trips.route_id = routes.route_id  
join stop_times on stop_times.trip_id = trips.trip_id where routes.route_id = '$routeID' order by  
arrival_time DESC limit 1"; arrival_time DESC limit 1";
debug($query,"database"); debug($query, "database");
$result = pg_query($conn, $query); $query = $conn->prepare($query);
if (!$result) { $query->bindParam(":routeID", $routeID);
databaseError(pg_result_error($result)); $query->execute();
return Array(); if (!$query) {
} databaseError($conn->errorInfo());
$r = pg_fetch_assoc($result); return Array();
} }
return $r;  
} $r = $query->fetch(PDO::FETCH_ASSOC);
  }
function getTimeInterpolatedRouteAtStop($routeID, $stop_id) return $r;
{ }
$nextTrip = getRouteNextTrip($routeID); function getTimeInterpolatedRouteAtStop($routeID, $stop_id)
if ($nextTrip['trip_id']){ {
foreach (getTimeInterpolatedTrip($nextTrip['trip_id']) as $tripStop) { $nextTrip = getRouteNextTrip($routeID);
if ($tripStop['stop_id'] == $stop_id) return $tripStop; if ($nextTrip['trip_id']) {
} foreach (getTimeInterpolatedTrip($nextTrip['trip_id']) as $tripStop) {
} if ($tripStop['stop_id'] == $stop_id) return $tripStop;
  }
  }
return Array(); return Array();
} }
  function getRouteTrips($routeID)
function getRouteTrips($routeID) { {
global $conn; global $conn;
$query = "select routes.route_id,trips.trip_id,service_id,arrival_time, stop_id, stop_sequence from routes join trips on trips.route_id = routes.route_id $query = "select routes.route_id,trips.trip_id,service_id,arrival_time, stop_id, stop_sequence from routes join trips on trips.route_id = routes.route_id
join stop_times on stop_times.trip_id = trips.trip_id where routes.route_id = '$routeID' and stop_sequence = '1' order by join stop_times on stop_times.trip_id = trips.trip_id where routes.route_id = :routeID and stop_sequence = '1' order by
arrival_time "; arrival_time ";
debug($query,"database"); debug($query, "database");
$result = pg_query($conn, $query); $query = $conn->prepare($query);
if (!$result) { $query->bindParam(":routeID", $routeID);
databaseError(pg_result_error($result)); $query->execute();
return Array(); if (!$query) {
} databaseError($conn->errorInfo());
return pg_fetch_all($result); return Array();
} }
function getRoutesByDestination($destination = "", $service_period = "") { return $query->fetchAll();
global $conn; }
if ($service_period == "") $service_period = service_period(); function getRoutesByDestination($destination = "", $service_period = "")
if ($destination != "") { {
$query = "SELECT DISTINCT trips.route_id,route_short_name,route_long_name, service_id global $conn;
  if ($service_period == "") $service_period = service_period();
  if ($destination != "") {
  $query = "SELECT DISTINCT trips.route_id,route_short_name,route_long_name, service_id
FROM stop_times join trips on trips.trip_id = FROM stop_times join trips on trips.trip_id =
stop_times.trip_id join routes on trips.route_id = routes.route_id stop_times.trip_id join routes on trips.route_id = routes.route_id
WHERE route_long_name = '$destination' AND service_id='$service_period' order by route_short_name"; WHERE route_long_name = :destination AND service_id=:service_period order by route_short_name";
} else { }
$query = "SELECT DISTINCT route_long_name else {
  $query = "SELECT DISTINCT route_long_name
FROM stop_times join trips on trips.trip_id = FROM stop_times join trips on trips.trip_id =
stop_times.trip_id join routes on trips.route_id = routes.route_id stop_times.trip_id join routes on trips.route_id = routes.route_id
WHERE service_id='$service_period' order by route_long_name"; WHERE service_id= :service_period order by route_long_name";
} }
debug($query,"database"); debug($query, "database");
$result = pg_query($conn, $query); $query = $conn->prepare($query);
if (!$result) { $query->bindParam(":service_period", $service_period);
databaseError(pg_result_error($result)); if ($destination != "") $query->bindParam(":destination", $destination);
return Array(); $query->execute();
} if (!$query) {
return pg_fetch_all($result); databaseError($conn->errorInfo());
} return Array();
  }
function getRoutesBySuburb($suburb, $service_period = "") { return $query->fetchAll();
if ($service_period == "") $service_period = service_period(); }
global $conn; function getRoutesBySuburb($suburb, $service_period = "")
$query = "SELECT DISTINCT service_id,trips.route_id,route_short_name,route_long_name {
  if ($service_period == "") $service_period = service_period();
  global $conn;
  $query = "SELECT DISTINCT service_id,trips.route_id,route_short_name,route_long_name
FROM stop_times join trips on trips.trip_id = stop_times.trip_id FROM stop_times join trips on trips.trip_id = stop_times.trip_id
join routes on trips.route_id = routes.route_id join routes on trips.route_id = routes.route_id
join stops on stops.stop_id = stop_times.stop_id join stops on stops.stop_id = stop_times.stop_id
WHERE zone_id LIKE '%$suburb;%' AND service_id='$service_period' ORDER BY route_short_name"; WHERE zone_id LIKE ':suburb AND service_id=:service_period ORDER BY route_short_name";
debug($query,"database"); debug($query, "database");
$result = pg_query($conn, $query); $query = $conn->prepare($query);
if (!$result) { $query->bindParam(":service_period", $service_period);
databaseError(pg_result_error($result)); $suburb = "%" . $suburb . ";%";
return Array(); $query->bindParam(":suburb", $suburb);
} $query->execute();
return pg_fetch_all($result); if (!$query) {
} databaseError($conn->errorInfo());
  return Array();
function getRoutesNearby($lat, $lng, $limit = "", $distance = 500) { }
  return $query->fetchAll();
  }
if ($service_period == "") $service_period = service_period(); function getRoutesNearby($lat, $lng, $limit = "", $distance = 500)
if ($limit != "") $limit = " LIMIT $limit "; {
global $conn; if ($service_period == "") $service_period = service_period();
$query = "SELECT service_id,trips.route_id,route_short_name,route_long_name,min(stops.stop_id) as stop_id, if ($limit != "") $limitSQL = " LIMIT :limit ";
  global $conn;
  $query = "SELECT service_id,trips.route_id,route_short_name,route_long_name,min(stops.stop_id) as stop_id,
min(ST_Distance(position, ST_GeographyFromText('SRID=4326;POINT($lng $lat)'), FALSE)) as distance min(ST_Distance(position, ST_GeographyFromText('SRID=4326;POINT($lng $lat)'), FALSE)) as distance
FROM stop_times FROM stop_times
join trips on trips.trip_id = stop_times.trip_id join trips on trips.trip_id = stop_times.trip_id
join routes on trips.route_id = routes.route_id join routes on trips.route_id = routes.route_id
join stops on stops.stop_id = stop_times.stop_id join stops on stops.stop_id = stop_times.stop_id
WHERE service_id='$service_period' WHERE service_id=:service_period
AND ST_DWithin(position, ST_GeographyFromText('SRID=4326;POINT($lng $lat)'), $distance, FALSE) AND ST_DWithin(position, ST_GeographyFromText('SRID=4326;POINT($lng $lat)'), :distance, FALSE)
group by service_id,trips.route_id,route_short_name,route_long_name group by service_id,trips.route_id,route_short_name,route_long_name
order by distance $limit"; order by distance $limitSQL";
debug($query,"database"); debug($query, "database");
$result = pg_query($conn, $query); $query = $conn->prepare($query);
if (!$result) { $query->bindParam(":service_period", $service_period);
databaseError(pg_result_error($result)); $query->bindParam(":distance", $distance);
return Array(); if ($limit != "") $query->bindParam(":limit", $limit);
} $query->execute();
return pg_fetch_all($result); if (!$query) {
  databaseError($conn->errorInfo());
  return Array();
  }
  return $query->fetchAll();
} }
?> ?>