Begin support of double service ids for each service period
[busui.git] / include / db / route-dao.inc.php
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<?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 getRoute($routeID) {
    global $conn;
    $query = "Select * from routes where route_id = :routeID LIMIT 1";
    debug($query, "database");
    $query = $conn->prepare($query);
    $query->bindParam(":routeID", $routeID);
    $query->execute();
    if (!$query) {
        databaseError($conn->errorInfo());
        return Array();
    }
    return $query->fetch(PDO :: FETCH_ASSOC);
}
 
function getRouteByFullName($routeFullName) {
    global $conn;
    $query = "Select * from routes where route_short_name||route_long_name = :routeFullName LIMIT 1";
    debug($query, "database");
    $query = $conn->prepare($query);
    $query->bindParam(":routeFullName", $routeFullName);
    $query->execute();
    if (!$query) {
        databaseError($conn->errorInfo());
        return Array();
    }
    return $query->fetch(PDO :: FETCH_ASSOC);
}
 
function getRoutes() {
    global $conn;
    $query = "Select * from routes order by route_short_name;";
    debug($query, "database");
    $query = $conn->prepare($query);
    $query->execute();
    if (!$query) {
        databaseError($conn->errorInfo());
        return Array();
    }
    return $query->fetchAll();
}
 
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 OR route_short_name LIKE :routeNumber2 order by route_short_name;";
    } else {
        $query = "SELECT DISTINCT route_short_name from routes order by route_short_name";
    }
    debug($query, "database");
    $query = $conn->prepare($query);
    if ($routeNumber != "") {
        $query->bindParam(":routeNumber", $routeNumber);
        $routeNumber2 = "% " . $routeNumber;
        $query->bindParam(":routeNumber2", $routeNumber2);
    }
    $query->execute();
    if (!$query) {
        databaseError($conn->errorInfo());
        return Array();
    }
    return $query->fetchAll();
}
 
function getRoutesByNumberSeries($routeNumberSeries = "") {
    global $conn;
    if (strlen($routeNumberSeries) == 1) {
        return getRoutesByNumber($routeNumberSeries);
    }
    $seriesMin = substr($routeNumberSeries, 0, -1) . "0";
    $seriesMax = substr($routeNumberSeries, 0, -1) . "9";
    $query = "Select distinct routes.route_id,routes.route_short_name,routes.route_long_name,service_id from routes  join trips on trips.route_id =
routes.route_id join stop_times on stop_times.trip_id = trips.trip_id where to_number(route_short_name, 'FM999') between :seriesMin and :seriesMax OR route_short_name LIKE :routeNumberSeries order by route_short_name;";
    debug($query, "database");
    $query = $conn->prepare($query);
    $query->bindParam(":seriesMin", $seriesMin);
    $query->bindParam(":seriesMax", $seriesMax);
    $routeNumberSeries = "% " . substr($routeNumberSeries, 0, -1) . "%";
    $query->bindParam(":routeNumberSeries", $routeNumberSeries);
    $query->execute();
    if (!$query) {
        databaseError($conn->errorInfo());
        return Array();
    }
    return $query->fetchAll();
}
 
function getRouteNextTrip($routeID) {
    global $conn;
    $query = "select * from routes join trips on trips.route_id = routes.route_id
join stop_times on stop_times.trip_id = trips.trip_id where
arrival_time > :currentTime and routes.route_id = :routeID order by
arrival_time limit 1";
    debug($query, "database");
    $query = $conn->prepare($query);
    $query->bindParam(":currentTime", current_time());
    $query->bindParam(":routeID", $routeID);
    $query->execute();
    if (!$query) {
        databaseError($conn->errorInfo());
        return Array();
    }
    $r = $query->fetch(PDO :: FETCH_ASSOC);
 
    // past last trip of the day special case
    if (sizeof($r) < 16) {
        $query = "select * from routes join trips on trips.route_id = routes.route_id
join stop_times on stop_times.trip_id = trips.trip_id where routes.route_id = :routeID order by
arrival_time DESC limit 1";
        debug($query, "database");
        $query = $conn->prepare($query);
        $query->bindParam(":routeID", $routeID);
        $query->execute();
        if (!$query) {
            databaseError($conn->errorInfo());
            return Array();
        }
 
        $r = $query->fetch(PDO :: FETCH_ASSOC);
    }
    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");
    $query = $conn->prepare($query);
    $query->bindParam(":routeID", $routeID);
    $query->execute();
    if (!$query) {
        databaseError($conn->errorInfo());
        return Array();
    }
    return $query->fetchAll();
}
 
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");
    $query = $conn->prepare($query);
    $query->bindParam(":service_period", $service_period);
    if ($destination != "")
        $query->bindParam(":destination", $destination);
    $query->execute();
    if (!$query) {
        databaseError($conn->errorInfo());
        return Array();
    }
    return $query->fetchAll();
}
 
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");
    $query = $conn->prepare($query);
    $query->bindParam(":service_period", $service_period);
    $suburb = "%" . $suburb . ";%";
    $query->bindParam(":suburb", $suburb);
    $query->execute();
    if (!$query) {
        databaseError($conn->errorInfo());
        return Array();
    }
    return $query->fetchAll();
}
 
function getRoutesNearby($lat, $lng, $limit = "", $distance = 500) {
    if ($service_period == "")
        $service_period = service_period();
    if ($limit != "")
        $limitSQL = " 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 $limitSQL";
    debug($query, "database");
    $query = $conn->prepare($query);
    $query->bindParam(":service_period", $service_period);
    $query->bindParam(":distance", $distance);
    if ($limit != "")
        $query->bindParam(":limit", $limit);
    $query->execute();
    if (!$query) {
        databaseError($conn->errorInfo());
        return Array();
    }
    return $query->fetchAll();
}
 
?>