--- a/include/db/stop-dao.inc.php +++ b/include/db/stop-dao.inc.php @@ -1,97 +1,121 @@ <?php -/* def StopZoneToTuple(stop): - """Return tuple as expected by javascript function addStopMarkerFromList""" - return (stop.stop_id, stop.stop_name, float(stop.stop_lat), - float(stop.stop_lon), stop.location_type, stop.stop_code, stop.zone_id) -*/ +function getStop($stopID) +{ +global $conn; + $query = "Select * from stops where stop_id = '$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($stopID) { - } - -function getStops($timingPointsOnly = false) { - -} - -function stopsNear($lat,$lng,$limit) { - - /* - -- Show a distance query and note, London is outside the 1000km tolerance - SELECT name FROM global_points WHERE ST_DWithin(location, ST_GeographyFromText('SRID=4326;POINT(-110 29)'), 1000000, FALSE); - // All the geography functions have the option of using a sphere calculation, by setting a final boolean parameter to 'FALSE'. This will somewhat speed up calculations, particularly for cases where the geometries are very simple. - */ -} - -function stopsBySuburb($suburb) { - -} - -function stopRoutes($stopID,$service_period) -/* - def handle_json_GET_stoproutes(self, params): - """Given a stop_id return all routes to visit the stop.""" - 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: - 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, $service_period) { - /* - def handle_json_GET_stoptrips(self, params): - """Given a stop_id and time in seconds since midnight return the next - trips to visit the stop.""" - schedule = self.server.schedule - stop = schedule.GetStop(params.get('stop', None)) - requested_time = int(params.get('time', 0)) - limit = int(params.get('limit', 15)) - service_period = params.get('service_period', None) - time_range = int(params.get('time_range', 24*60*60)) - - filtered_time_trips = [] - for trip, index in stop._GetTripIndex(schedule): - tripstarttime = trip.GetStartTime() - if tripstarttime > requested_time and tripstarttime < (requested_time + time_range): - time, stoptime, tp = trip.GetTimeInterpolatedStops()[index] - if time > requested_time and time < (requested_time + time_range): - bisect.insort(filtered_time_trips, (time, (trip, index), tp)) - result = [] - for time, (trip, index), tp in filtered_time_trips: - if len(result) > limit: - break - route = schedule.GetRoute(trip.route_id) - trip_name = '' - if route.route_short_name: - trip_name += route.route_short_name - if route.route_long_name: - if len(trip_name): - trip_name += " - " - trip_name += route.route_long_name - if service_period == None or trip.service_id == service_period: - result.append((time, (trip.trip_id, trip_name, trip.service_id), tp)) - return result - */ +function getStopTripsWithTimes($stopID, $time = "", $service_period = "", $time_range = "") +{ + if ($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")); + $trips = getStopTrips($stopID,$service_period); + $timedTrips = Array(); + foreach ($trips as $trip) { + if ($trip['arrival_time'] != "") { + if (strtotime($trip['arrival_time']) > strtotime($time) and strtotime($trip['arrival_time']) < (strtotime($time) + $time_range)){ + $timedTrips[] = $trip; + } + } else { + $tripstarttime = getTripStartTime($trip['trip_id']); + 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[] = $timedTrip; + } + } + } + if (sizeof($timedTrips) > limit) break; + } + sktimesort($timedTrips,"arrival_time", true); + return $timedTrips; } ?>