1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 | <?php function getRoute($routeID) { global $conn; $query = "Select * from routes where route_id = '$routeID' 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 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 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 $seriesMax order by route_short_name;"; debug($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"; debug($query, "database"); $result = pg_query($conn, $query); if (!$result) { databaseError(pg_result_error($result)); return Array(); } $r = pg_fetch_assoc($result); } return $r; } function getTimeInterpolatedRouteAtStop($routeID, $stop_id) { $nextTrip = getRouteNextTrip($routeID); if ($nextTrip['trip_id']) { foreach (getTimeInterpolatedTrip($nextTrip['trip_id']) as $tripStop) { if ($tripStop['stop_id'] == $stop_id) return $tripStop; } } return Array(); } function getRouteTrips($routeID) { global $conn; $query = "select routes.route_id,trips.trip_id,service_id,arrival_time, stop_id, stop_sequence from routes join trips on trips.route_id = routes.route_id join stop_times on stop_times.trip_id = trips.trip_id where routes.route_id = '$routeID' and stop_sequence = '1' order by arrival_time "; debug($query, "database"); $result = pg_query($conn, $query); if (!$result) { databaseError(pg_result_error($result)); return Array(); } return pg_fetch_all($result); } function getRoutesByDestination($destination = "", $service_period = "") { global $conn; if ($service_period == "") $service_period = service_period(); if ($destination != "") { $query = "SELECT DISTINCT trips.route_id,route_short_name,route_long_name, service_id FROM stop_times join trips on trips.trip_id = stop_times.trip_id join routes on trips.route_id = routes.route_id WHERE route_long_name = '$destination' AND service_id='$service_period' order by route_short_name"; } else { $query = "SELECT DISTINCT route_long_name FROM stop_times join trips on trips.trip_id = stop_times.trip_id join routes on trips.route_id = routes.route_id WHERE service_id='$service_period' order by route_long_name"; } debug($query, "database"); $result = pg_query($conn, $query); if (!$result) { databaseError(pg_result_error($result)); return Array(); } return pg_fetch_all($result); } function getRoutesBySuburb($suburb, $service_period = "") { if ($service_period == "") $service_period = service_period(); global $conn; $query = "SELECT DISTINCT service_id,trips.route_id,route_short_name,route_long_name FROM stop_times join trips on trips.trip_id = stop_times.trip_id join routes on trips.route_id = routes.route_id join stops on stops.stop_id = stop_times.stop_id WHERE zone_id LIKE '%$suburb;%' AND service_id='$service_period' ORDER BY route_short_name"; debug($query, "database"); $result = pg_query($conn, $query); if (!$result) { databaseError(pg_result_error($result)); return Array(); } return pg_fetch_all($result); } function getRoutesNearby($lat, $lng, $limit = "", $distance = 500) { if ($service_period == "") $service_period = service_period(); if ($limit != "") $limit = " 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 $lat)'), FALSE)) as distance FROM stop_times join trips on trips.trip_id = stop_times.trip_id join routes on trips.route_id = routes.route_id join stops on stops.stop_id = stop_times.stop_id WHERE service_id='$service_period' 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 order by distance $limit"; debug($query, "database"); $result = pg_query($conn, $query); if (!$result) { databaseError(pg_result_error($result)); return Array(); } return pg_fetch_all($result); } ?> |