--- a/include/db/stop-dao.inc.php +++ b/include/db/stop-dao.inc.php @@ -1,97 +1,235 @@ <?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) -*/ + +/* + * Copyright 2010,2011 Alexander Sadleir + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. + */ 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 - */ -} + global $conn; + $query = "Select * from stops where stop_id = :stopID LIMIT 1"; + debug($query, "database"); + $query = $conn->prepare($query); + $query->bindParam(":stopID", $stopID); + $query->execute(); + if (!$query) { + databaseError($conn->errorInfo()); + return Array(); + } + return $query->fetch(PDO :: FETCH_ASSOC); +} + +function getStops($firstLetter = "", $startsWith = "") { + global $conn; + $conditions = Array(); + if ($firstLetter != "") + $conditions[] = "substr(stop_name,1,1) = :firstLetter"; + if ($startsWith != "") + $conditions[] = "stop_name like :startsWith"; + $query = "Select * from stops"; + if (sizeof($conditions) > 0) { + if (sizeof($conditions) > 1) { + $query .= " Where " . implode(" AND ", $conditions) . " "; + } else { + $query .= " Where " . $conditions[0] . " "; + } + } + $query .= " order by stop_name;"; + debug($query,"database"); + $query = $conn->prepare($query); + if ($firstLetter != "") + $query->bindParam(":firstLetter", $firstLetter); + + if ($startsWith != "") { + $startsWith = $startsWith . "%"; + $query->bindParam(":startsWith", $startsWith); + } + $query->execute(); + if (!$query) { + databaseError($conn->errorInfo()); + return Array(); + } + return $query->fetchAll(); +} + +function getNearbyStops($lat, $lng, $limit = "", $distance = 1000) { + if ($lat == null || $lng == null) + return Array(); + if ($limit != "") + $limitSQL = " LIMIT :limit "; + 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 $limitSQL;"; + debug($query, "database"); + $query = $conn->prepare($query); + $query->bindParam(":distance", $distance); + $query->bindParam(":limit", $limit); + $query->execute(); + if (!$query) { + databaseError($conn->errorInfo()); + return Array(); + } + return $query->fetchAll(); +} + +function getStopsByName($name) { + global $conn; + $query = "Select * from stops where stop_name LIKE :name;"; + debug($query, "database"); + $query = $conn->prepare($query); + $name = "%" . $name . ";%"; + $query->bindParam(":name", $name); + $query->execute(); + if (!$query) { + databaseError($conn->errorInfo()); + return Array(); + } + return $query->fetchAll(); +} + +function getStopsBySuburb($suburb) { + global $conn; + $query = "Select * from stops where zone_id LIKE :suburb order by stop_name;"; + debug($query, "database"); + $query = $conn->prepare($query); + $suburb = "%" . $suburb . ";%"; + $query->bindParam(":suburb", $suburb); + $query->execute(); + if (!$query) { + databaseError($conn->errorInfo()); + return Array(); + } + 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, $service_period) { + if ($service_period == "") + $service_period = service_period(); + global $conn; + $query = "SELECT distinct service_id,trips.route_id,route_short_name,route_long_name +FROM stop_times join trips on trips.trip_id = +stop_times.trip_id join routes on trips.route_id = routes.route_id WHERE stop_id = :stopID AND service_id=:service_period"; + debug($query, "database"); + $query = $conn->prepare($query); + $query->bindParam(":service_period", $service_period); + $query->bindParam(":stopID", $stopID); + $query->execute(); + if (!$query) { + databaseError($conn->errorInfo()); + return Array(); + } + return $query->fetchAll(); +} + +function getStopTrips($stopID, $service_period = "", $afterTime = "", $limit = "") { + if ($service_period == "") + $service_period = service_period(); + if ($limit != "") + $limitSQL = " LIMIT :limit "; + global $conn; + if ($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 +FROM stop_times +join trips on trips.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 + WHERE stop_times.arrival_time IS NOT NULL group by trip_id) as end_times +WHERE stop_times.stop_id = :stopID +AND stop_times.trip_id = end_times.trip_id +AND service_id=:service_period +AND end_times.arrival_time > :afterTime +ORDER BY end_time $limitSQL"; + } 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 +FROM stop_times +join trips on trips.trip_id = +stop_times.trip_id +join routes on trips.route_id = routes.route_id +WHERE stop_times.stop_id = :stopID +AND service_id=:service_period +ORDER BY arrival_time $limitSQL"; + } + debug($query, "database"); + $query = $conn->prepare($query); + $query->bindParam(":service_period", $service_period); + $query->bindParam(":stopID", $stopID); + if ($limit != "") + $query->bindParam(":limit", $limit); + if ($afterTime != "") + $query->bindParam(":afterTime", $afterTime); + $query->execute(); + if (!$query) { + databaseError($conn->errorInfo()); + return Array(); + } + return $query->fetchAll(); +} + +function getStopTripsWithTimes($stopID, $time = "", $service_period = "", $time_range = "", $limit = "") { + if ($service_period == "") + $service_period = service_period(); + if ($time_range == "") + $time_range = (24 * 60 * 60); + if ($time == "") + $time = current_time(); + if ($limit == "") + $limit = 10; + $trips = getStopTrips($stopID, $service_period, $time); + $timedTrips = Array(); + if ($trips && sizeof($trips) > 0) { + foreach ($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 { + $timedTrip = getTimeInterpolatedTripAtStop($trip['trip_id'], $trip['stop_sequence']); + if ($timedTrip['arrival_time'] > $time and strtotime($timedTrip['arrival_time']) < (strtotime($time) + $time_range)) { + $timedTrips[] = $timedTrip; + } + } + if (sizeof($timedTrips) > $limit) + break; + } + sktimesort($timedTrips, "arrival_time", true); + } + return $timedTrips; +} + ?>