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 | <?php function getStop($stopID) { 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 $query->fetch(PDO::FETCH_ASSOC); } function getStops($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;"; $query = $conn->prepare($query); if ($firstLetter != "") $query->bindParam(":firstLetter", $firstLetter); $query->execute(); if (!$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 $query->fetchAll(); } function getStopsBySuburb($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 $query->fetchAll(); } function getStopRoutes($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"); $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 = "", $afterTime = "") { if ($service_period == "") $service_period = service_period(); 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"; } else { $query = "SELECT stop_times.trip_id,arrival_time,stop_times.stop_id,stop_sequence,service_id,trips.route_id,route_short_name,route_long_name FROM stop_times join trips on trips.trip_id = stop_times.trip_id join routes on trips.route_id = routes.route_id WHERE stop_times.stop_id = :stopID AND service_id=:service_period ORDER BY arrival_time"; } debug($query, "database"); $query = $conn->prepare($query); $query->bindParam(":service_period", $service_period); $query->bindParam(":stopID", $stopID); if ($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; } ?> |