Refactoring of route list page
[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
@@ -1,120 +1,282 @@
 <?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) {
-        $query = "Select * from routes where route_id = '$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);   
-}
+    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;
+    $query = "select distinct trip_headsign,direction_id from routes join trips on trips.route_id = routes.route_id
+join stop_times on stop_times.trip_id = trips.trip_id ";
+    debug($query, "database");
+    $query = $conn->prepare($query);
+    $query->bindParam(":routeID", $routeID);
+    $query->execute();
+    if (!$query) {
+        databaseError($conn->errorInfo());
+        return Array();
+    }
+return $query->fetchAll();
+}
+
+function getRouteByFullName($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");
-	$result = pg_query($conn, $query);
-	if (!$result) {
-		databaseError(pg_result_error($result));
-		return Array();
-	}
-	return pg_fetch_all($result);    
+    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' 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);    
+    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;
     $query = "select * from routes join trips on trips.route_id = routes.route_id
 join stop_times on stop_times.trip_id = trips.trip_id where
-arrival_time > CURRENT_TIME and routes.route_id = '$routeID' order by
+arrival_time > :currentTime 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($result));
-		return Array();
-	}
-	return pg_fetch_assoc($result);       
-  }
+    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 $r;
+}
+
+function getRouteAtStop($routeID, $stop_id) {
+    $nextTrip = getRouteNextTrip($routeID);
+    if ($nextTrip['trip_id']) {
+        foreach (getTripStopTimes($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 != "")  {
-             $query = "SELECT DISTINCT trips.route_id,route_short_name,route_long_name, service_id
+    if ($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 {
+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);
+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;
-        $query = "SELECT DISTINCT service_id,trips.route_id,route_short_name,route_long_name
+    if ($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);
+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 != "") $limit = " LIMIT $limit "; 
-    global $conn;
-        $query = "SELECT service_id,trips.route_id,route_short_name,route_long_name,
+    if ($service_period == "")
+        $service_period = service_period();
+        $service_ids = service_ids($service_period);
+    $sidA = $service_ids[0];
+    $sidB = $service_ids[1];
+    if ($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)'), $distance, FALSE)
+WHERE (service_id=:service_periodA OR service_id=:service_periodB)
+AND ST_DWithin(position, ST_GeographyFromText('SRID=4326;POINT($lng $lat)'), :distance, FALSE)
         group by service_id,trips.route_id,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);
-}
+        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();
+}
+
 ?>