Refactor to use PostGIS database instead of gtfs tools
[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
/* def StopZoneToTuple(stop): function getStop($stopID)
"""Return tuple as expected by javascript function addStopMarkerFromList""" {
return (stop.stop_id, stop.stop_name, float(stop.stop_lat), global $conn;
float(stop.stop_lon), stop.location_type, stop.stop_code, stop.zone_id) $query = "Select * from stops where stop_id = '$stopID' LIMIT 1";
*/ debug($query,"database");
  $result = pg_query($conn, $query);
  if (!$result) {
  databaseError(pg_result_error($result));
  return Array();
  }
  return pg_fetch_assoc($result);
  }
  function getStops($timingPointsOnly = false, $firstLetter = "")
  {
  global $conn;
  $conditions = Array();
  if ($timingPointsOnly) $conditions[] = "substr(stop_code,1,2) != 'Wj'";
  if ($firstLetter != "") $conditions[] = "substr(stop_name,1,1) = '$firstLetter'";
  $query = "Select * from stops";
  if (sizeof($conditions) > 0) {
  if (sizeof($conditions) > 1) {
  $query .= " Where ".implode(" AND ",$conditions)." ";
  }
  else {
  $query .= " Where ".$conditions[0]." ";
  }
  }
  $query .= " order by stop_name;";
  debug($query,"database");
  $result = pg_query($conn, $query);
  if (!$result) {
  databaseError(pg_result_error($result));
  return Array();
  }
  return pg_fetch_all($result);
  }
  function getNearbyStops($lat, $lng, $limit, $distance = 1000)
  {
  if ($lat == null || $lng == null) return Array();
  global $conn;
  $query = "Select *, ST_Distance(position, ST_GeographyFromText('SRID=4326;POINT($lng $lat)'), FALSE) as distance
  from stops WHERE ST_DWithin(position, ST_GeographyFromText('SRID=4326;POINT($lng $lat)'), $distance, FALSE)
  order by distance;";
  debug($query,"database");
  $result = pg_query($conn, $query);
  if (!$result) {
  databaseError(pg_result_error($result));
  return Array();
  }
  return pg_fetch_all($result);
  }
  function getStopsBySuburb($suburb)
  {
  global $conn;
  $query = "Select * from stops where zone_id LIKE '%$suburb;%' order by stop_name;";
  debug($query,"database");
  $result = pg_query($conn, $query);
  if (!$result) {
  databaseError(pg_result_error($result));
  return Array();
  }
  return pg_fetch_all($result);
  }
  function getStopRoutes($stopID, $service_period)
  {
  if ($service_period == "") $service_period = service_period();
  global $conn;
  $query = "SELECT service_id,trips.route_id,route_short_name,route_long_name
  FROM stop_times join trips on trips.trip_id =
  stop_times.trip_id join routes on trips.route_id = routes.route_id WHERE stop_id = '$stopID' AND service_id='$service_period'";
  debug($query,"database");
  $result = pg_query($conn, $query);
  if (!$result) {
  databaseError(pg_result_error($result));
  return Array();
  }
  return pg_fetch_all($result);}
  function getStopTrips($stopID, $service_period = "")
  {
  if ($service_period == "") $service_period = service_period();
  global $conn;
  $query = "SELECT stop_times.trip_id,arrival_time,stop_id,stop_sequence,service_id,trips.route_id,route_short_name,route_long_name
  FROM stop_times join trips on trips.trip_id =
  stop_times.trip_id join routes on trips.route_id = routes.route_id WHERE stop_id = '$stopID' AND service_id='$service_period'";
  debug($query,"database");
  $result = pg_query($conn, $query);
  if (!$result) {
  databaseError(pg_result_error($result));
  return Array();
  }
  return pg_fetch_all($result);
   
function getStop($stopID) {  
   
} }
  function getStopTripsWithTimes($stopID, $time = "", $service_period = "", $time_range = "")
function getStops($timingPointsOnly = false) { {
  if ($service_period == "") $service_period = service_period();
} if ($time_range == "") $time_range = (24*60*60);
  if ($time == "") $time = ($_SESSION['time'] ? $_SESSION['time'] : date("h:i:00"));
function stopsNear($lat,$lng,$limit) { $trips = getStopTrips($stopID,$service_period);
  $timedTrips = Array();
/* foreach ($trips as $trip) {
-- Show a distance query and note, London is outside the 1000km tolerance if ($trip['arrival_time'] != "") {
SELECT name FROM global_points WHERE ST_DWithin(location, ST_GeographyFromText('SRID=4326;POINT(-110 29)'), 1000000, FALSE); if (strtotime($trip['arrival_time']) > strtotime($time) and strtotime($trip['arrival_time']) < (strtotime($time) + $time_range)){
// All the geography functions have the option of using a sphere calculation, by setting a final boolean parameter to 'FALSE'. This will somewhat speed up calculations, particularly for cases where the geometries are very simple. $timedTrips[] = $trip;
*/ }
} } else {
  $tripstarttime = getTripStartTime($trip['trip_id']);
function stopsBySuburb($suburb) { if ($tripstarttime > $time and $tripstarttime < ($time + $time_range)) {
  $timedtrip = getTimeInterpolatedTripStop($trip['trip_id'], $trip['stop_sequence']);
} if (strtotime($timedtrip['arrival_time']) > strtotime($time) and $timedtrip['arrival_time'] < (strtotime($time) + strtotime($time_range))){
  $timedTrips[] = $timedTrip;
function stopRoutes($stopID,$service_period) }
/* }
def handle_json_GET_stoproutes(self, params): }
"""Given a stop_id return all routes to visit the stop.""" if (sizeof($timedTrips) > limit) break;
schedule = self.server.schedule }
stop = schedule.GetStop(params.get('stop', None)) sktimesort($timedTrips,"arrival_time", true);
service_period = params.get('service_period', None) return $timedTrips;
trips = stop.GetTrips(schedule)  
result = {}  
for trip in trips:  
route = schedule.GetRoute(trip.route_id)  
if service_period == None or trip.service_id == service_period:  
if not route.route_short_name+route.route_long_name+trip.service_id in result:  
result[route.route_short_name+route.route_long_name+trip.service_id] = (route.route_id, route.route_short_name, route.route_long_name, trip.trip_id, trip.service_id)  
return result  
*/  
   
function stopTrips($stopID) {  
/*  
def handle_json_GET_stopalltrips(self, params):  
"""Given a stop_id return all trips to visit the stop (without times)."""  
schedule = self.server.schedule  
stop = schedule.GetStop(params.get('stop', None))  
service_period = params.get('service_period', None)  
trips = stop.GetTrips(schedule)  
result = []  
for trip in trips:  
if service_period == None or trip.service_id == service_period:  
result.append((trip.trip_id, trip.service_id))  
return result  
*/  
}  
function stopTripsWithTimes($stopID, $time, $service_period) {  
/*  
def handle_json_GET_stoptrips(self, params):  
"""Given a stop_id and time in seconds since midnight return the next  
trips to visit the stop."""  
schedule = self.server.schedule  
stop = schedule.GetStop(params.get('stop', None))  
requested_time = int(params.get('time', 0))  
limit = int(params.get('limit', 15))  
service_period = params.get('service_period', None)  
time_range = int(params.get('time_range', 24*60*60))  
   
filtered_time_trips = []  
for trip, index in stop._GetTripIndex(schedule):  
tripstarttime = trip.GetStartTime()  
if tripstarttime > requested_time and tripstarttime < (requested_time + time_range):  
time, stoptime, tp = trip.GetTimeInterpolatedStops()[index]  
if time > requested_time and time < (requested_time + time_range):  
bisect.insort(filtered_time_trips, (time, (trip, index), tp))  
result = []  
for time, (trip, index), tp in filtered_time_trips:  
if len(result) > limit:  
break  
route = schedule.GetRoute(trip.route_id)  
trip_name = ''  
if route.route_short_name:  
trip_name += route.route_short_name  
if route.route_long_name:  
if len(trip_name):  
trip_name += " - "  
trip_name += route.route_long_name  
if service_period == None or trip.service_id == service_period:  
result.append((time, (trip.trip_id, trip_name, trip.service_id), tp))  
return result  
*/  
} }
?> ?>