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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 | <?php /* * 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) { 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; $query = "Select * from stops where stop_desc LIKE :suburb order by stop_name;"; debug($query, "database"); $query = $conn->prepare($query); $suburb = "%<br>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(); } $service_ids = service_ids($service_period); $sidA = $service_ids[0]; $sidB = $service_ids[1]; global $conn; $query = "SELECT distinct service_id,trips.route_id,route_short_name,route_long_name FROM stop_times join trips on trips.trip_id = stop_times.trip_id join routes on trips.route_id = routes.route_id WHERE stop_id = :stopID AND (service_id=:service_periodA OR service_id=:service_periodB)"; debug($query, "database"); $query = $conn->prepare($query); $query->bindParam(":service_periodA", $sidA); $query->bindParam(":service_periodB", $sidB); $query->bindParam(":stopID", $stopID); $query->execute(); if (!$query) { databaseError($conn->errorInfo()); return Array(); } return $query->fetchAll(); } function getStopTrips($stopID, $service_period = "", $afterTime = "", $limit = "", $route_short_name = "") { if ($service_period == "") { $service_period = service_period(); } $service_ids = service_ids($service_period); $sidA = $service_ids[0]; $sidB = $service_ids[1]; $limitSQL = ""; if ($limit != "") $limitSQL .= " LIMIT :limit "; global $conn; if ($afterTime != "") { $query = " SELECT stop_times.trip_id,stop_times.arrival_time,stop_times.stop_id,stop_sequence,service_id,trips.route_id,trips.direction_id,route_short_name,route_long_name,end_times.arrival_time as end_time FROM stop_times join trips on trips.trip_id = stop_times.trip_id join routes on trips.route_id = routes.route_id , (SELECT trip_id,max(arrival_time) as arrival_time from stop_times WHERE stop_times.arrival_time IS NOT NULL group by trip_id) as end_times WHERE stop_times.stop_id = :stopID AND stop_times.trip_id = end_times.trip_id AND (service_id=:service_periodA OR service_id=:service_periodB) ".($route_short_name != "" ? " AND route_short_name = :route_short_name ":"")." AND end_times.arrival_time > :afterTime ORDER BY end_time $limitSQL"; } else { $query = "SELECT stop_times.trip_id,arrival_time,stop_times.stop_id,stop_sequence,service_id,trips.route_id,route_short_name,route_long_name FROM stop_times join trips on trips.trip_id = stop_times.trip_id join routes on trips.route_id = routes.route_id WHERE stop_times.stop_id = :stopID AND (service_id=:service_periodA OR service_id=:service_periodB) ".($route_short_name != "" ? " AND route_short_name = :route_short_name ":"")." ORDER BY arrival_time $limitSQL"; } debug($query, "database"); $query = $conn->prepare($query); $query->bindParam(":service_periodA", $sidA); $query->bindParam(":service_periodB", $sidB); $query->bindParam(":stopID", $stopID); if ($limit != "") $query->bindParam(":limit", $limit); if ($afterTime != "") $query->bindParam(":afterTime", $afterTime); if ($route_short_name != "") $query->bindParam(":route_short_name", $route_short_name); $query->execute(); if (!$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 { $timedTrip = getTripAtStop($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; } ?> |