| <?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"); |
| $result = pg_query($conn, $query); | $result = pg_query($conn, $query); |
| if (!$result) { | if (!$result) { |
| databaseError(pg_result_error($result)); | databaseError(pg_result_error($result)); |
| return Array(); | return Array(); |
| } | } |
| return pg_fetch_assoc($result); | return pg_fetch_assoc($result); |
| } | } |
| function getStops($timingPointsOnly = false, $firstLetter = "") | function getStops($timingPointsOnly = false, $firstLetter = "") |
| { | { |
| 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'"; |
| $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;"; | $query.= " order by stop_name;"; |
| debug($query, "database"); | debug($query, "database"); |
| $result = pg_query($conn, $query); | $result = pg_query($conn, $query); |
| if (!$result) { | if (!$result) { |
| databaseError(pg_result_error($result)); | databaseError(pg_result_error($result)); |
| return Array(); | return Array(); |
| } | } |
| return pg_fetch_all($result); | return pg_fetch_all($result); |
| } | } |
| function getNearbyStops($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 != "") $limit = " LIMIT $limit "; | if ($limit != "") $limit = " 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 $limit;"; | order by distance $limit;"; |
| debug($query, "database"); | debug($query, "database"); |
| $result = pg_query($conn, $query); | $result = pg_query($conn, $query); |
| if (!$result) { | if (!$result) { |
| databaseError(pg_result_error($result)); | databaseError(pg_result_error($result)); |
| return Array(); | return Array(); |
| } | } |
| return pg_fetch_all($result); | return pg_fetch_all($result); |
| } | } |
| function getStopsBySuburb($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"); |
| $result = pg_query($conn, $query); | $result = pg_query($conn, $query); |
| if (!$result) { | if (!$result) { |
| databaseError(pg_result_error($result)); | databaseError(pg_result_error($result)); |
| return Array(); | return Array(); |
| } | } |
| return pg_fetch_all($result); | return pg_fetch_all($result); |
| } | } |
| function getStopRoutes($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"); |
| $result = pg_query($conn, $query); | $result = pg_query($conn, $query); |
| if (!$result) { | if (!$result) { |
| databaseError(pg_result_error($result)); | databaseError(pg_result_error($result)); |
| return Array(); | return Array(); |
| } | } |
| return pg_fetch_all($result); | return pg_fetch_all($result); |
| } | } |
| function getStopTrips($stopID, $service_period = "", $afterTime = "") | function getStopTrips($stopID, $service_period = "", $afterTime = "") |
| { | { |
| if ($service_period == "") $service_period = service_period(); | if ($service_period == "") $service_period = service_period(); |
| $afterCondition = "AND arrival_time > '$afterTime'"; | $afterCondition = "AND arrival_time > '$afterTime'"; |
| 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, start_times.arrival_time as start_time | $query = " SELECT stop_times.trip_id,stop_times.arrival_time,stop_times.stop_id,stop_sequence,service_id,trips.route_id,route_short_name,route_long_name, start_times.arrival_time as start_time |
| FROM stop_times | FROM stop_times |
| join trips on trips.trip_id = | join trips on trips.trip_id = |
| stop_times.trip_id | stop_times.trip_id |
| join routes on trips.route_id = routes.route_id , (SELECT trip_id,arrival_time from stop_times | join routes on trips.route_id = routes.route_id , (SELECT trip_id,arrival_time from stop_times |
| WHERE stop_times.arrival_time IS NOT NULL | WHERE stop_times.arrival_time IS NOT NULL |
| AND stop_sequence = '1') as start_times | AND stop_sequence = '1') as start_times |
| WHERE stop_times.stop_id = '$stopID' | WHERE stop_times.stop_id = '$stopID' |
| AND stop_times.trip_id = start_times.trip_id | AND stop_times.trip_id = start_times.trip_id |
| AND service_id='$service_period' | AND service_id='$service_period' |
| AND start_times.arrival_time > '$afterTime' | AND start_times.arrival_time > '$afterTime' |
| ORDER BY start_time"; | ORDER BY start_time"; |
| } | } |
| 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='$service_period' |
| ORDER BY arrival_time"; | ORDER BY arrival_time"; |
| } | } |
| debug($query, "database"); | debug($query, "database"); |
| $result = pg_query($conn, $query); | $result = pg_query($conn, $query); |
| if (!$result) { | if (!$result) { |
| databaseError(pg_result_error($result)); | databaseError(pg_result_error($result)); |
| return Array(); | return Array(); |
| } | } |
| return pg_fetch_all($result); | return pg_fetch_all($result); |
| } | } |
| function getStopTripsWithTimes($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 == "") $time = ($_SESSION['time'] ? $_SESSION['time'] : date("H:i:s")); | if ($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; |
| } | } |
| ?> | ?> |