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Fix retrieving routes by number/number range
[busui.git] / include / db / route-dao.inc.php
blob:a/include/db/route-dao.inc.php -> blob:b/include/db/route-dao.inc.php 
--- a/include/db/route-dao.inc.php
+++ b/include/db/route-dao.inc.php
@@ -1,179 +1,307 @@
 <?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
+
+/*
+ *    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 $query->fetch(PDO :: FETCH_ASSOC);
+}
+
+function getRoutesByShortName($routeShortName) {
+    global $conn;
+    $query = "Select distinct route_id, route_short_name from routes where route_short_name = :routeShortName";
+    debug($query, "database");
+    $query = $conn->prepare($query);
+    $query->bindParam(":routeShortName", $routeShortName);
+    $query->execute();
+    if (!$query) {
+        databaseError($conn->errorInfo());
+        return Array();
+    }
+    return $query->fetchAll();
+}
+
+function getRouteHeadsigns($routeID) {
+    global $conn;
+    $query = "select stops.stop_name, trip_headsign, direction_id,max(service_id) as service_id, count(*)
+        from routes join trips on trips.route_id = routes.route_id
+join stop_times on stop_times.trip_id = trips.trip_id join stops on 
+stop_times.stop_id = stops.stop_id where trips.route_id = :routeID 
+and stop_times.stop_sequence = 1 group by stops.stop_name, trip_headsign, direction_id having count(*) > 2";
+    debug($query, "database");
+    $query = $conn->prepare($query);
+    $query->bindParam(":routeID", $routeID);
+    $query->execute();
+    if (!$query) {
+        databaseError($conn->errorInfo());
+        return Array();
+    }
+    $results = $query->fetchAll();
+    if (is_array($results)) {
+        return $results;
+    } else {
+        return Array($results);
+    }
+}
+function getRouteDescription($routeID, $directionID) {
+    $trip = getRouteNextTrip($routeID, $directionID);
+    $start = getTripStartingPoint($trip['trip_id']); 
+    $end = getTripDestination($trip['trip_id']);
+    return "From ".$start['stop_name']." to ".$end['stop_name'];
+}
+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 $query->fetchAll();
+}
+
+function getRoutesByNumberSeries($routeNumberSeries = "") {
+    global $conn;
+    if (strlen($routeNumberSeries) == 1) {
+        return getRoute($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, $directionID) {
+    global $conn;
+   
+    $query = "select routes.route_id,routes.route_url,direction_id,trips.trip_id,trip_headsign,departure_time,service_id from routes join trips on trips.route_id = routes.route_id
+join stop_times on stop_times.trip_id = trips.trip_id where  arrival_time between :currentTime and :futureTime 
+and routes.route_id = :routeID and trips.direction_id = :directionID order by
 arrival_time limit 1";
-	debug($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
+    debug($query, "database");
+    $query = $conn->prepare($query);
+    $query->bindParam(":currentTime", current_time());
+    $futureTime = current_time(strtotime(current_time() ." +2h"));
+    if (date("h",strtotime(current_time()) > 22)) $futureTime = "23:59:59";
+        $query->bindParam(":futureTime", $futureTime);
+    $query->bindParam(":routeID", $routeID);
+    $query->bindParam(":directionID", $directionID);
+    $query->execute();
+    databaseError($conn->errorInfo());
+    if (!$query) {
+        databaseError($conn->errorInfo());
+        return Array();
+    }
+    $r = $query->fetch(PDO :: FETCH_ASSOC);
+    return $r;
+}
+
+function getRouteFirstTrip($routeID,$directionID) {
+       global $conn;
+       
+       $query = "select * from routes join trips on trips.route_id = routes.route_id
+join stop_times on stop_times.trip_id = trips.trip_id where routes.route_id = :routeID 
+and trips.direction_id = :directionID order by
 arrival_time DESC limit 1";
-		debug($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
+        debug($query, "database");
+        $query = $conn->prepare($query);
+        $query->bindParam(":routeID", $routeID);
+        
+    $query->bindParam(":directionID", $directionID);
+        $query->execute();
+        if (!$query) {
+            databaseError($conn->errorInfo());
+            return Array();
+        }
+
+        $r = $query->fetch(PDO :: FETCH_ASSOC);
+        return $r;
+}
+
+function getRouteAtStop($routeID, $directionID, $stop_id) {
+    $nextTrip = getRouteNextTrip($routeID, $directionID);
+    if ($nextTrip['trip_id']) {
+        foreach (getTripStopTimes($nextTrip['trip_id']) as $tripStop) {
+            if ($tripStop['stop_id'] == $stop_id)
+                return $tripStop;
+        }
+    }
+    return Array();
+}
+
+function getRouteTrips($routeID, $directionID = "", $service_period = "") {
+    global $conn;
+    if ($service_period == "")
+        $service_period = service_period();
+    $service_ids = service_ids($service_period);
+    $sidA = $service_ids[0];
+    $sidB = $service_ids[1];
+    $directionSQL = "";
+    if ($directionID != "")
+        $directionSQL = " and direction_id = :directionID ";
+    $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 (service_id=:service_periodA OR service_id=:service_periodB)
+AND (routes.route_id = :routeID) " . $directionSQL . " and stop_sequence = '1' order by
 arrival_time ";
-	debug($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 != "") {
-		$query = "SELECT DISTINCT trips.route_id,route_short_name,route_long_name, service_id
+    debug($query, "database");
+    $query = $conn->prepare($query);
+    $query->bindParam(":routeID", $routeID);
+    $query->bindParam(":service_periodA", $sidA);
+    $query->bindParam(":service_periodB", $sidB);
+    if ($directionSQL != "")
+        $query->bindParam(":directionID", $directionID);
+    $query->execute();
+    if (!$query) {
+        databaseError($conn->errorInfo());
+        return Array();
+    }
+    return $query->fetchAll();
+}
+
+function getRoutesByDestination($destination = "", $service_period = "") {
+    global $conn;
+    if ($service_period == "")
+        $service_period = service_period();
+    $service_ids = service_ids($service_period);
+    $sidA = $service_ids[0];
+    $sidB = $service_ids[1];
+    if ($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
+WHERE route_long_name = :destination AND (service_id=:service_periodA OR service_id=:service_periodB)
+ order by route_short_name";*/
+        $query = "select route_id, direction_id, stop_name, b.trip_id, b.stop_sequence from (select route_id, direction_id, max(stop_sequence) as stop_sequence, max(a.trip_id) as trip_id  from stop_times inner join (SELECT route_id, direction_id, max(trip_id) as trip_id
+        from trips group by route_id,direction_id) as a on stop_times.trip_id = a.trip_id group by route_id, direction_id) as b inner join stop_times on b.trip_id = stop_times.trip_id inner join stops on stop_times.stop_id = stops.stop_id where stop_times.stop_sequence = b.stop_sequence and stop_name = :destination order by route_id;";
+    } else {
+        $query = "select stop_name from (select route_id, direction_id, max(stop_sequence) as stop_sequence, max(a.trip_id) as trip_id  from stop_times inner join (SELECT route_id, direction_id, max(trip_id) as trip_id
+        from trips group by route_id,direction_id) as a on stop_times.trip_id = a.trip_id group by route_id, direction_id) as b inner join stop_times on b.trip_id = stop_times.trip_id inner join stops on stop_times.stop_id = stops.stop_id where stop_times.stop_sequence = b.stop_sequence group by stop_name order by stop_name;";
+    }
+    debug($query, "database");
+    $query = $conn->prepare($query);
+
+    //$query->bindParam(":service_periodA", $sidA);
+    //$query->bindParam(":service_periodB", $sidB);
+    if ($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();
+    $service_ids = service_ids($service_period);
+    $sidA = $service_ids[0];
+    $sidB = $service_ids[1];
+   
+    global $conn;
+    $query = "SELECT DISTINCT service_id,trips.route_id,route_short_name,route_long_name
 FROM stop_times join trips on trips.trip_id = stop_times.trip_id
 join routes on trips.route_id = routes.route_id
 join stops on stops.stop_id = stop_times.stop_id
-WHERE zone_id LIKE '%$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;
-	$query = "SELECT service_id,trips.route_id,route_short_name,route_long_name,min(stops.stop_id) as stop_id,
+WHERE stop_desc LIKE :suburb AND (service_id=:service_periodA OR service_id=:service_periodB)
+ ORDER BY route_short_name";
+    debug($query, "database");
+    $query = $conn->prepare($query);
+    $query->bindParam(":service_periodA", $sidA);
+    $query->bindParam(":service_periodB", $sidB);
+    $suburb = "%Suburb: %" . $suburb . "%";
+    $query->bindParam(":suburb", $suburb);
+    $query->execute();
+    
+        databaseError($conn->errorInfo());
+  
+    return $query->fetchAll();
+}
+
+function getRoutesNearby($lat, $lng, $limit = "", $distance = 500) {
+   // if ($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;
+    $query = "SELECT service_id,trips.route_id,trips.direction_id,route_short_name,route_long_name,min(stops.stop_id) as stop_id,
         min(ST_Distance(position, ST_GeographyFromText('SRID=4326;POINT($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);
-}
-?>
+WHERE (service_id=:service_periodA OR service_id=:service_periodB)
+AND ST_DWithin(position, ST_GeographyFromText('SRID=4326;POINT($lng $lat)'), :distance, FALSE)
+        group by service_id,trips.route_id,trips.direction_id,route_short_name,route_long_name
+        order by distance $limitSQL";
+    debug($query, "database");
+    $query = $conn->prepare($query);
+    $query->bindParam(":service_periodA", $sidA);
+    $query->bindParam(":service_periodB", $sidB);
+    $query->bindParam(":distance", $distance);
+    if ($limit != "")
+        $query->bindParam(":limit", $limit);
+    $query->execute();
+    if (!$query) {
+        databaseError($conn->errorInfo());
+        return Array();
+    }
+    return $query->fetchAll();
+}
+
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