From 4ffef02bb94476afa931f5feb5c8f6889f22ab4f Mon Sep 17 00:00:00 2001
From: George Kaklamanos <gkaklas1@gmail.com>
Date: Sun, 21 Feb 2016 20:53:00 +0200
Subject: [PATCH 1/4] Adapted getRoutesByStop().

---
 modules/libdata.php | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/modules/libdata.php b/modules/libdata.php
index 399759e..35a2a68 100644
--- a/modules/libdata.php
+++ b/modules/libdata.php
@@ -21,17 +21,17 @@ function getRoutesOfLine($line){
     return $tmp;
 }
 
-function getRoutesByStop($stopId){
+function getRoutesByStop($stopId,$direction){
     global $routes;
-    $tmp = array();
+    $res = array();
     foreach ($routes as $route){
-        foreach ($route['stops'] as $stop){
+        foreach ($route['stops'][$direction] as $stop){
             if ($stop == $stopId){
-                array_push($tmp, $route);
+                array_push($res, $route["id"]);
             }
         }
     }
-    return $tmp;
+    return $res;
 }
 
 function isValidRoute($id){

From 87932b880189fd37e8e0b172bdc3c902cff7daf5 Mon Sep 17 00:00:00 2001
From: George Kaklamanos <gkaklas1@gmail.com>
Date: Sun, 21 Feb 2016 20:53:37 +0200
Subject: [PATCH 2/4] Get position of buses approaching a stop.

---
 modules/libdata.php | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/modules/libdata.php b/modules/libdata.php
index 35a2a68..ea7114c 100644
--- a/modules/libdata.php
+++ b/modules/libdata.php
@@ -133,4 +133,14 @@ function getPositionOfLine($line,$direction){
     return $locations;
 }
 
+function getPositionOfApproachingStop($stop,$direction){
+    $res = array();
+    foreach(getRoutesByStop($stop,$direction) as $route){
+        foreach(getPositionOfRoute($route,$direction) as $bus){ 
+            array_push($res, $bus);
+        }
+    }
+    return $res;
+}
+
 ?>

From 2f96304eed8332ae20ffe87ae416493ac4e51088 Mon Sep 17 00:00:00 2001
From: George Kaklamanos <gkaklas1@gmail.com>
Date: Sun, 21 Feb 2016 21:24:27 +0200
Subject: [PATCH 3/4] Support new dot group: blue.

---
 modules/map.php | 26 +++++++++++++++++++++++++-
 1 file changed, 25 insertions(+), 1 deletion(-)

diff --git a/modules/map.php b/modules/map.php
index 46281fa..b1424ff 100644
--- a/modules/map.php
+++ b/modules/map.php
@@ -9,7 +9,7 @@
 </style>
 
 <?php
-function ShowMap($coordsRed,$coordsGreen){
+function ShowMap($coordsRed,$coordsGreen,$coordsBlue){
     if(count($coordsRed)>0 || count($coordsGreen)>0){
 ?>
     <div id="mymap"></div>
@@ -65,6 +65,30 @@ echo '['. $coordsGreen[$i][1] . ',' . $coordsGreen[$i][0] . ']];';
             features.push(feat);
         }
 <?php
+}
+    if(count($coordsBlue)>0){
+echo "var coordinatesBlue = [";
+for ($i=0; $i<count($coordsBlue)-1;$i++){
+    $loc = $coordsBlue[$i];
+    echo '['. $loc[1] . ',' . $loc[0] . '],';
+}
+echo '['. $coordsBlue[$i][1] . ',' . $coordsBlue[$i][0] . ']];';
+?>
+        var styleBlue = new ol.style.Style({
+            image: new ol.style.Circle({
+                fill: new ol.style.Fill({color: '#0000FF'}),
+                stroke: new ol.style.Stroke({color: '#000000'}),
+                radius: 5
+            })
+        });
+        for(var i=0; i<coordinatesBlue.length; i++){
+            var feat = new ol.Feature({
+                geometry: new ol.geom.Point(new ol.proj.fromLonLat([coordinatesBlue[i][0],coordinatesBlue[i][1]]))
+            });
+            feat.setStyle(styleBlue);
+            features.push(feat);
+        }
+<?php
 }
 ?>
         var vectorSource = new ol.source.Vector({features:features});

From 1ccd9bcbdc892ae9619337e54e8725965be878e6 Mon Sep 17 00:00:00 2001
From: George Kaklamanos <gkaklas1@gmail.com>
Date: Sun, 21 Feb 2016 21:25:15 +0200
Subject: [PATCH 4/4] Show approaching buses on the map.

---
 ShowStop.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ShowStop.php b/ShowStop.php
index ef440e5..86e7d1c 100644
--- a/ShowStop.php
+++ b/ShowStop.php
@@ -29,7 +29,7 @@ if (isValidStop($_GET["stop"])){
     echo '<div id="routes" class="tab-pane fade in active" role="tabpanel">';
     PrintRoutes($_GET["stop"]);
     echo '</div><div id="map" class="tab-pane fade" role="tabpanel">';
-    ShowMap(array(array($stop['lat'],$stop['lon'])),[]);
+    ShowMap(getPositionOfApproachingStop($stop['id'],'go'),getPositionOfApproachingStop($stop['id'],'come'),array(array($stop['lat'],$stop['lon'])));
     echo '</div></div>';
 } else {
     echo '<span style="display:inline-block" class="alert alert-danger" role="alert">No such stop. <a href="javascript:history.back()">Go back?</a></span>';