Refactor stop time interpolation
Refactor stop time interpolation

--- a/include/common-geo.inc.php
+++ b/include/common-geo.inc.php
@@ -70,6 +70,7 @@
 	  else return round($km,2)."k";
 	} else return floor($km * 1000);
 }
+
 function decodePolylineToArray($encoded)
 {
 	// source: http://latlongeeks.com/forum/viewtopic.php?f=4&t=5

--- a/include/common-session.inc.php
+++ b/include/common-session.inc.php
@@ -17,7 +17,6 @@
 	}
 	else {
 		$geolocate = filter_var($_REQUEST['geolocate'], FILTER_SANITIZE_URL);
-		echo $_REQUEST['geolocate'];
 		if (startsWith($geolocate, "-")) {
 			$locateparts = explode(",", $geolocate);
 			$_SESSION['lat'] = $locateparts[0];

--- a/include/common-template.inc.php
+++ b/include/common-template.inc.php
@@ -1,28 +1,27 @@
 <?php
-  // Copyright 2009 Google Inc. All Rights Reserved.
-  $GA_ACCOUNT = "MO-22173039-1";
-  $GA_PIXEL = "/lib/ga.php";
-
-  function googleAnalyticsGetImageUrl() {
-    global $GA_ACCOUNT, $GA_PIXEL;
-    $url = "";
-    $url .= $GA_PIXEL . "?";
-    $url .= "utmac=" . $GA_ACCOUNT;
-    $url .= "&utmn=" . rand(0, 0x7fffffff);
-    $referer = $_SERVER["HTTP_REFERER"];
-    $query = $_SERVER["QUERY_STRING"];
-    $path = $_SERVER["REQUEST_URI"];
-    if (empty($referer)) {
-      $referer = "-";
-    }
-    $url .= "&utmr=" . urlencode($referer);
-    if (!empty($path)) {
-      $url .= "&utmp=" . urlencode($path);
-    }
-    $url .= "&guid=ON";
-    return str_replace("&", "&amp;", $url);
-  }
-
+// Copyright 2009 Google Inc. All Rights Reserved.
+$GA_ACCOUNT = "MO-22173039-1";
+$GA_PIXEL = "/lib/ga.php";
+function googleAnalyticsGetImageUrl()
+{
+	global $GA_ACCOUNT, $GA_PIXEL;
+	$url = "";
+	$url.= $GA_PIXEL . "?";
+	$url.= "utmac=" . $GA_ACCOUNT;
+	$url.= "&utmn=" . rand(0, 0x7fffffff);
+	$referer = $_SERVER["HTTP_REFERER"];
+	$query = $_SERVER["QUERY_STRING"];
+	$path = $_SERVER["REQUEST_URI"];
+	if (empty($referer)) {
+		$referer = "-";
+	}
+	$url.= "&utmr=" . urlencode($referer);
+	if (!empty($path)) {
+		$url.= "&utmp=" . urlencode($path);
+	}
+	$url.= "&guid=ON";
+	return str_replace("&", "&amp;", $url);
+}
 function include_header($pageTitle, $pageType, $opendiv = true, $geolocate = false, $datepicker = false)
 {
 	echo '
@@ -34,27 +33,34 @@
         <meta name="google-site-verification" 
 content="-53T5Qn4TB_de1NyfR_ZZkEVdUNcNFSaYKSFkWKx-sY" />';
 	if ($datepicker) echo '<link rel="stylesheet"  href="css/jquery.ui.datepicker.mobile.css" />';
-	if (isDebugServer()) echo '<link rel="stylesheet"  href="css/jquery.mobile-1.0a4.css" />
+	if (isDebugServer()) {
+		echo '<link rel="stylesheet"  href="css/jquery.mobile-1.0a4.css" />
+	
          <script type="text/javascript" src="js/jquery-1.5.js"></script>
 	 <script>$(document).bind("mobileinit", function(){
   $.mobile.ajaxEnabled = false;
 });
 </script>
         <script type="text/javascript" src="js/jquery.mobile-1.0a4.js"></script>';
-	else echo '<link rel="stylesheet"  href="http://code.jquery.com/mobile/1.0a4/jquery.mobile-1.0a4.min.css" />
+	}
+	else {
+		echo '<link rel="stylesheet"  href="http://code.jquery.com/mobile/1.0a4.1/jquery.mobile-1.0a4.1.min.css" />
         <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.5.2/jquery.min.js"></script>
 	 <script>$(document).bind("mobileinit", function(){
   $.mobile.ajaxEnabled = false;
 });
 </script>
-        <script type="text/javascript" src="http://code.jquery.com/mobile/1.0a4/jquery.mobile-1.0a4.min.js"></script>';
-	if ($datepicker) echo '<script> 
+        <script type="text/javascript" src="http://code.jquery.com/mobile/1.0a4.1/jquery.mobile-1.0a4.1.min.js"></script>';
+	}
+	if ($datepicker) {
+		echo '<script> 
 		//reset type=date inputs to text
 		$( document ).bind( "mobileinit", function(){
 			$.mobile.page.prototype.options.degradeInputs.date = true;
 		});	
 	</script> 
 	<script src="js/jQuery.ui.datepicker.js"></script>';
+	}
 	echo '<style type="text/css">
      .ui-navbar {
      width: 100%;
@@ -145,17 +151,17 @@
 $('#here').show();
 });
 ";
-if (!isset($_SESSION['lat']) || $_SESSION['lat'] == "") echo "geolocate();";
-echo "</script> ";
+		if (!isset($_SESSION['lat']) || $_SESSION['lat'] == "") echo "geolocate();";
+		echo "</script> ";
 	}
 	if (isAnalyticsOn()) echo '
-<script type="text/javascript">'."
+<script type="text/javascript">' . "
 
   var _gaq = _gaq || [];
   _gaq.push(['_setAccount', 'UA-22173039-1']);
   _gaq.push(['_trackPageview']);
 </script>";
-echo '</head>
+	echo '</head>
 <body>
     <div id="skip">
     <a href="#maincontent">Skip to content</a>
@@ -170,7 +176,7 @@
 });
 </script>
 	<div data-role="header" data-position="inline">
-	<a href="'.$_SERVER["HTTP_REFERER"].'" data-icon="arrow-l" data-rel="back" class="ui-btn-left">Back</a> 
+	<a href="' . $_SERVER["HTTP_REFERER"] . '" data-icon="arrow-l" data-rel="back" class="ui-btn-left">Back</a> 
 		<h1>' . $pageTitle . '</h1>
 		<a href="/index.php" data-icon="home" class="ui-btn-right">Home</a>
 	</div><!-- /header -->
@@ -182,8 +188,8 @@
 {
 	echo '<div id="footer"><a href="about.php">About/Contact Us</a>&nbsp;<a href="feedback.php">Feedback/Bug Report</a></a>';
 	echo '</div>';
-        if (isAnalyticsOn()) {
-	echo "<script>  (function() {
+	if (isAnalyticsOn()) {
+		echo "<script>  (function() {
     var ga = document.createElement('script'); ga.type = 
 'text/javascript'; ga.async = true;
     ga.src = ('https:' == document.location.protocol ? 
@@ -191,9 +197,9 @@
     var s = document.getElementsByTagName('script')[0]; 
 s.parentNode.insertBefore(ga, s);
   })();</script>";
-         $googleAnalyticsImageUrl = googleAnalyticsGetImageUrl();
-  echo '<noscript><img src="' . $googleAnalyticsImageUrl . '" /></noscript>';
-    }
+		$googleAnalyticsImageUrl = googleAnalyticsGetImageUrl();
+		echo '<noscript><img src="' . $googleAnalyticsImageUrl . '" /></noscript>';
+	}
 }
 function timePlaceSettings($geolocate = false)
 {
@@ -209,7 +215,7 @@
 	}
 	echo '<div data-role="collapsible" data-collapsed="' . !$geoerror . '">
         <h3>Change Time/Place (' . (isset($_SESSION['time']) ? $_SESSION['time'] : "Current Time,") . ' ' . ucwords(service_period()) . ')...</h3>
-        <form action="'.basename($_SERVER['PHP_SELF'])."?".$_SERVER['QUERY_STRING'].'" method="post">
+        <form action="' . basename($_SERVER['PHP_SELF']) . "?" . $_SERVER['QUERY_STRING'] . '" method="post">
         <div class="ui-body"> 
 		<div data-role="fieldcontain">
 	            <label for="geolocate"> Current Location: </label>
@@ -218,7 +224,7 @@
     		<div data-role="fieldcontain">
 		        <label for="time"> Time: </label>
 		    	<input type="time" name="time" id="time" value="' . (isset($_SESSION['time']) ? $_SESSION['time'] : date("H:i")) . '"/>
-			<a href="#" name="currentTime" id="currentTime" onClick="var d = new Date();'. "$('#time').val(d.getHours() +':'+ (d.getMinutes().toString().length = 1 ? '0'+ d.getMinutes():  d.getMinutes()));".'">Current Time?</a>
+			<a href="#" name="currentTime" id="currentTime" onClick="var d = new Date();' . "$('#time').val(d.getHours() +':'+ (d.getMinutes().toString().length = 1 ? '0'+ d.getMinutes():  d.getMinutes()));" . '">Current Time?</a>
 	        </div>
 		<div data-role="fieldcontain">
 		    <label for="service_period"> Service Period:  </label>
@@ -234,10 +240,11 @@
                 </form>
             </div></div>';
 }
-function trackEvent($category, $action, $label = "", $value = -1) {
-  if (isAnalyticsOn()) {
-    echo "\n<script> _gaq.push(['_trackEvent', '$category', '$action'".($label != "" ? ", '$label'" : "").($value != -1 ? ", $value" : "")."]);</script>";
-  }
+function trackEvent($category, $action, $label = "", $value = - 1)
+{
+	if (isAnalyticsOn()) {
+		echo "\n<script> _gaq.push(['_trackEvent', '$category', '$action'" . ($label != "" ? ", '$label'" : "") . ($value != - 1 ? ", $value" : "") . "]);</script>";
+	}
 }
 ?>
 

--- a/include/db/route-dao.inc.php
+++ b/include/db/route-dao.inc.php
@@ -1,78 +1,120 @@
 <?php
 
 function getRoute($routeID) {
-/*
-        def handle_json_GET_routerow(self, params):
-    schedule = self.server.schedule
-    route = schedule.GetRoute(params.get('route', None))
-    return [transitfeed.Route._FIELD_NAMES, route.GetFieldValuesTuple()]
-*/
+        $query = "Select * from routes where route_id = '$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() {
-/* def handle_json_GET_routes(self, params):
-    """Return a list of all routes."""
-    schedule = self.server.schedule
-    result = []
-    for r in schedule.GetRouteList():
-      servicep = None
-      for t in schedule.GetTripList():
-        if t.route_id == r.route_id:
-          servicep = t.service_period
-          break
-      result.append( (r.route_id, r.route_short_name, r.route_long_name, servicep.service_id) )
-    result.sort(key = lambda x: x[1:3])
-    return result
-*/    
+    	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 findRouteByNumber($routeNumber) {
-    /*
-  def handle_json_GET_routesearch(self, params):
-    """Return a list of routes with matching short name."""
-    schedule = self.server.schedule
-    routeshortname = params.get('routeshortname', None)
-    result = []
-    for r in schedule.GetRouteList():
-      if r.route_short_name == routeshortname:
-        servicep = None
-        for t in schedule.GetTripList():
-          if t.route_id == r.route_id:
-            servicep = t.service_period
-            break
-        result.append( (r.route_id, r.route_short_name, r.route_long_name, servicep.service_id) )
-    result.sort(key = lambda x: x[1:3])
-    return result
-    */
+function getRoutesByNumber($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 getRouteNextTrip($routeID) {
-    /*
-  def handle_json_GET_routetrips(self, params):
-    """ Get a trip for a route_id (preferablly the next one) """
-    schedule = self.server.schedule
-    query = params.get('route_id', None).lower()
-    result = []
-    for t in schedule.GetTripList():
-      if t.route_id == query:
-        try:
-          starttime = t.GetStartTime()  
-        except:
-          print "Error for GetStartTime of trip #" + t.trip_id + sys.exc_info()[0]
-        else:
-          cursor = t._schedule._connection.cursor()
-          cursor.execute(
-              'SELECT arrival_secs,departure_secs FROM stop_times WHERE '
-              'trip_id=? ORDER BY stop_sequence DESC LIMIT 1', (t.trip_id,))
-          (arrival_secs, departure_secs) = cursor.fetchone()
-          if arrival_secs != None:
-            endtime = arrival_secs
-          elif departure_secs != None:
-            endtime = departure_secs
-          else:
-            endtime =0
-          result.append ( (starttime, t.trip_id, endtime) )
-    return sorted(result, key=lambda trip: trip[2])
-    */
+    $query = "select * from routes join trips on trips.route_id = routes.route_id
+join stop_times on stop_times.trip_id = trips.trip_id where
+arrival_time > CURRENT_TIME and routes.route_id = '$routeID' order by
+arrival_time 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 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");
+	$result = pg_query($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;
+        $query = "SELECT DISTINCT service_id,trips.route_id,route_short_name,route_long_name
+FROM stop_times join trips on trips.trip_id = stop_times.trip_id
+join routes on trips.route_id = routes.route_id
+join stops on stops.stop_id = stop_times.stop_id
+WHERE zone_id LIKE '%$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;
+        $query = "SELECT service_id,trips.route_id,route_short_name,route_long_name,
+        min(ST_Distance(position, ST_GeographyFromText('SRID=4326;POINT($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);
+}
 ?>

--- a/include/db/stop-dao.inc.php
+++ b/include/db/stop-dao.inc.php
@@ -1,38 +1,33 @@
 <?php
-/* def StopZoneToTuple(stop):
-  """Return tuple as expected by javascript function addStopMarkerFromList"""
-  return (stop.stop_id, stop.stop_name, float(stop.stop_lat),
-          float(stop.stop_lon), stop.location_type, stop.stop_code, stop.zone_id)
-*/
 function getStop($stopID)
 {
-global $conn;
-        $query = "Select * from stops where stop_id = '$stopID' LIMIT 1";
-        debug($query,"database");
+	global $conn;
+	$query = "Select * from stops where stop_id = '$stopID' LIMIT 1";
+	debug($query, "database");
 	$result = pg_query($conn, $query);
 	if (!$result) {
 		databaseError(pg_result_error($result));
 		return Array();
 	}
-	return pg_fetch_assoc($result);    
+	return pg_fetch_assoc($result);
 }
 function getStops($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'";
+	$conditions = Array();
+	if ($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]." ";
-            }
-        }
-        $query .= " order by stop_name;";
-        debug($query,"database");
+	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");
 	$result = pg_query($conn, $query);
 	if (!$result) {
 		databaseError(pg_result_error($result));
@@ -40,14 +35,15 @@
 	}
 	return pg_fetch_all($result);
 }
-function getNearbyStops($lat, $lng, $limit, $distance = 1000)
+function getNearbyStops($lat, $lng, $limit = "", $distance = 1000)
 {
-   if ($lat == null || $lng == null) return Array();
-   global $conn;
-        $query = "Select *, ST_Distance(position, ST_GeographyFromText('SRID=4326;POINT($lng $lat)'), FALSE) as distance
+	if ($lat == null || $lng == null) return Array();
+	if ($limit != "") $limit = " 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)'), $distance, FALSE)
-        order by distance;";
-        debug($query,"database");
+        order by distance $limit;";
+	debug($query, "database");
 	$result = pg_query($conn, $query);
 	if (!$result) {
 		databaseError(pg_result_error($result));
@@ -57,9 +53,9 @@
 }
 function getStopsBySuburb($suburb)
 {
-global $conn;
-        $query = "Select * from stops where zone_id LIKE '%$suburb;%' order by stop_name;";
-        debug($query,"database");
+	global $conn;
+	$query = "Select * from stops where zone_id LIKE '%$suburb;%' order by stop_name;";
+	debug($query, "database");
 	$result = pg_query($conn, $query);
 	if (!$result) {
 		databaseError(pg_result_error($result));
@@ -69,63 +65,79 @@
 }
 function getStopRoutes($stopID, $service_period)
 {
-        if ($service_period == "") $service_period = service_period();
-	/*
-	 def handle_json_GET_stoproutes(self, params):
-	   """Given a stop_id return all routes to visit the stop."""
-	   schedule = self.server.schedule
-	   stop = schedule.GetStop(params.get('stop', None))
-	   service_period = params.get('service_period', None)
-	   trips = stop.GetTrips(schedule)
-	   result = {}
-	   for trip in trips:
-	     route = schedule.GetRoute(trip.route_id)
-	     if service_period == None or trip.service_id == service_period:
-	       if not route.route_short_name+route.route_long_name+trip.service_id in result:
-	         result[route.route_short_name+route.route_long_name+trip.service_id] = (route.route_id, route.route_short_name, route.route_long_name, trip.trip_id, trip.service_id)
-	   return result
-	*/
-}
-function getStopTrips($stopID, $service_period = "")
-{
-    if ($service_period == "") $service_period = service_period();
-    global $conn;
-        $query = "SELECT stop_times.trip_id,arrival_time,stop_id,stop_sequence,service_id,trips.route_id,route_short_name,route_long_name
+	if ($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");
+	debug($query, "database");
 	$result = pg_query($conn, $query);
 	if (!$result) {
 		databaseError(pg_result_error($result));
 		return Array();
 	}
 	return pg_fetch_all($result);
-
+}
+function getStopTrips($stopID, $service_period = "", $afterTime = "")
+{
+	if ($service_period == "") $service_period = service_period();
+	$afterCondition = "AND arrival_time > '$afterTime'";
+	global $conn;
+	if ($afterTime != "") {
+		$query = " SELECT stop_times.trip_id,stop_times.arrival_time,stop_times.stop_id,stop_sequence,service_id,trips.route_id,route_short_name,route_long_name, start_times.arrival_time as start_time
+FROM stop_times
+join trips on trips.trip_id =
+stop_times.trip_id
+join routes on trips.route_id = routes.route_id , (SELECT trip_id,arrival_time from stop_times
+	WHERE stop_times.arrival_time IS NOT NULL
+	AND stop_sequence = '1') as start_times 
+WHERE stop_times.stop_id = '$stopID'
+AND stop_times.trip_id = start_times.trip_id
+AND service_id='$service_period'
+AND start_times.arrival_time > '$afterTime'
+ORDER BY start_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");
+	$result = pg_query($conn, $query);
+	if (!$result) {
+		databaseError(pg_result_error($result));
+		return Array();
+	}
+	return pg_fetch_all($result);
 }
 function getStopTripsWithTimes($stopID, $time = "", $service_period = "", $time_range = "")
 {
-       if ($service_period == "") $service_period = service_period();
-       if ($time_range == "") $time_range = (24*60*60);
-       if ($time == "") $time = ($_SESSION['time'] ? $_SESSION['time'] : date("h:i:00"));
-       $trips = getStopTrips($stopID,$service_period);
-       $timedTrips = Array();
-	  foreach ($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 {
-	     $tripstarttime = getTripStartTime($trip['trip_id']);
-	     if ($tripstarttime > $time and $tripstarttime < ($time + $time_range)) {
-	       $timedtrip = getTimeInterpolatedTripStop($trip['trip_id'], $trip['stop_sequence']);
-	       if (strtotime($timedtrip['arrival_time']) > strtotime($time) and $timedtrip['arrival_time'] < (strtotime($time) + strtotime($time_range))){
-	         $timedTrips[] = $timedTrip;
-	       }
-             }
-            }
-            if (sizeof($timedTrips) > limit) break;
-          }
-	   sktimesort($timedTrips,"arrival_time", true);
-           return $timedTrips;
+	if ($service_period == "") $service_period = service_period();
+	if ($time_range == "") $time_range = (24 * 60 * 60);
+	if ($time == "") $time = ($_SESSION['time'] ? $_SESSION['time'] : date("H:i:s"));
+	if ($limit == "") $limit = 10;
+	$trips = getStopTrips($stopID, $service_period, $time);
+	$timedTrips = Array();
+	foreach ($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;
 }
 ?>

--- a/include/db/trip-dao.inc.php
+++ b/include/db/trip-dao.inc.php
@@ -1,109 +1,143 @@
 <?php
-function getTrip($tripID) {
-    global $conn;
-        $query = "Select * from trips where trip_id = '$tripID' join routes on trips.route_id = routes.route_id LIMIT 1";
-        debug($query,"database");
+function getTrip($tripID)
+{
+	global $conn;
+	$query = "Select * from trips where trip_id = '$tripID' join routes on trips.route_id = routes.route_id 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 getTripShape() {
-    /* def handle_json_GET_tripstoptimes(self, params):
-    schedule = self.server.schedule
-    try:
-      trip = schedule.GetTrip(params.get('trip'))
-    except KeyError:
-       # if a non-existent trip is searched for, the return nothing
-      return
-    time_stops = trip.GetTimeInterpolatedStops()
-    stops = []
-    times = []
-    for arr,ts,is_timingpoint in time_stops:
-      stops.append(StopToTuple(ts.stop))
-      times.append(arr)
-    return [stops, times]
-
-  def handle_json_GET_tripshape(self, params):
-    schedule = self.server.schedule
-    try:
-      trip = schedule.GetTrip(params.get('trip'))
-    except KeyError:
-       # if a non-existent trip is searched for, the return nothing
-      return
-    points = []
-    if trip.shape_id:
-      shape = schedule.GetShape(trip.shape_id)
-      for (lat, lon, dist) in shape.points:
-        points.append((lat, lon))
-    else:
-      time_stops = trip.GetTimeStops()
-      for arr,dep,stop in time_stops:
-        points.append((stop.stop_lat, stop.stop_lon))
-    return points*/
+	return pg_fetch_assoc($result);
 }
-function getTimeInterpolatedTrip($tripID) {
-    /*     rv = []
-
-    stoptimes = self.GetStopTimes()
-    # If there are no stoptimes [] is the correct return value but if the start
-    # or end are missing times there is no correct return value.
-    if not stoptimes:
-      return []
-    if (stoptimes[0].GetTimeSecs() is None or
-        stoptimes[-1].GetTimeSecs() is None):
-      raise ValueError("%s must have time at first and last stop" % (self))
-
-    cur_timepoint = None
-    next_timepoint = None
-    distance_between_timepoints = 0
-    distance_traveled_between_timepoints = 0
-
-    for i, st in enumerate(stoptimes):
-      if st.GetTimeSecs() != None:
-        cur_timepoint = st
-        distance_between_timepoints = 0
-        distance_traveled_between_timepoints = 0
-        if i + 1 < len(stoptimes):
-          k = i + 1
-          distance_between_timepoints += util.ApproximateDistanceBetweenStops(stoptimes[k-1].stop, stoptimes[k].stop)
-          while stoptimes[k].GetTimeSecs() == None:
-            k += 1
-            distance_between_timepoints += util.ApproximateDistanceBetweenStops(stoptimes[k-1].stop, stoptimes[k].stop)
-          next_timepoint = stoptimes[k]
-        rv.append( (st.GetTimeSecs(), st, True) )
-      else:
-        distance_traveled_between_timepoints += util.ApproximateDistanceBetweenStops(stoptimes[i-1].stop, st.stop)
-        distance_percent = distance_traveled_between_timepoints / distance_between_timepoints
-        total_time = next_timepoint.GetTimeSecs() - cur_timepoint.GetTimeSecs()
-        time_estimate = distance_percent * total_time + cur_timepoint.GetTimeSecs()
-        rv.append( (int(round(time_estimate)), st, False) )
-
-    return rv*/
+function getTripShape()
+{
+	/* def handle_json_GET_tripstopTimes(self, params):
+	   schedule = self.server.schedule
+	   try:
+	     trip = schedule.GetTrip(params.get('trip'))
+	   except KeyError:
+	      # if a non-existent trip is searched for, the return nothing
+	     return
+	   time_stops = trip.GetTimeInterpolatedStops()
+	   stops = []
+	   times = []
+	   for arr,ts,is_timingpoint in time_stops:
+	     stops.append(StopToTuple(ts.stop))
+	     times.append(arr)
+	   return [stops, times]
+	
+	 def handle_json_GET_tripshape(self, params):
+	   schedule = self.server.schedule
+	   try:
+	     trip = schedule.GetTrip(params.get('trip'))
+	   except KeyError:
+	      # if a non-existent trip is searched for, the return nothing
+	     return
+	   points = []
+	   if trip.shape_id:
+	     shape = schedule.GetShape(trip.shape_id)
+	     for (lat, lon, dist) in shape.points:
+	       points.append((lat, lon))
+	   else:
+	     time_stops = trip.GetTimeStops()
+	     for arr,dep,stop in time_stops:
+	       points.append((stop.stop_lat, stop.stop_lon))
+	   return points*/
 }
-function getTimeInterpolatedTripAtStop($trip_id, $stop_sequence) {
-   foreach(getTimeInterpolatedTrip($tripID) as $tripStop) {
-    if ($tripStop['stop_sequence'] == $stop_sequence) return $tripStop;
-   }
-   return Array();
+function getTimeInterpolatedTrip($tripID)
+{
+	global $conn;
+	$query = "SELECT stop_times.trip_id,arrival_time,stop_times.stop_id,stop_lat,stop_lon,
+	stop_sequence,service_id,trips.route_id,route_short_name,route_long_name
+FROM stop_times
+join trips on trips.trip_id = stop_times.trip_id
+join routes on trips.route_id = routes.route_id
+join stops on stops.stop_id = stop_times.stop_id
+WHERE trips.trip_id = '$tripID' ORDER BY stop_sequence";
+	debug($query, "database");
+	$result = pg_query($conn, $query);
+	if (!$result) {
+		databaseError(pg_result_error($result));
+		return Array();
+	}
+	$stopTimes = pg_fetch_all($result);
+	$cur_timepoint = Array();
+	$next_timepoint = Array();
+	$distance_between_timepoints = 0.0;
+	$distance_traveled_between_timepoints = 0.0;
+	$rv = Array();
+	foreach ($stopTimes as $i => $stopTime) {
+		if ($stopTime['arrival_time'] != "") {
+		    // is timepoint
+			$cur_timepoint = $stopTime;
+			$distance_between_timepoints = 0.0;
+			$distance_traveled_between_timepoints = 0.0;
+			if ($i + 1 < sizeof($stopTimes)) {
+				$k = $i + 1;
+				$distance_between_timepoints += distance($stopTimes[$k - 1]["stop_lat"], $stopTimes[$k - 1]["stop_lon"], $stopTimes[$k]["stop_lat"], $stopTimes[$k]["stop_lon"]);
+				while ($stopTimes[$k]["arrival_time"] == "" && $k + 1 < sizeof($stopTimes)) {
+					$k += 1;
+					//echo "k".$k;
+					$distance_between_timepoints += distance($stopTimes[$k - 1]["stop_lat"], $stopTimes[$k - 1]["stop_lon"], $stopTimes[$k]["stop_lat"], $stopTimes[$k]["stop_lon"]);