From c55d572ec4ff039a9e678b732536a89e25afcd7f Mon Sep 17 00:00:00 2001
From: Rumperuu <me+git@bengoldsworthy.net>
Date: Tue, 10 Jan 2023 20:00:48 +0000
Subject: [PATCH] Fix for polyline encoding

---
 app/Http/Controllers/TrackerController.php | 52 +++++++++++++++++++++-
 resources/views/tracker.blade.php          |  2 +-
 2 files changed, 52 insertions(+), 2 deletions(-)

diff --git a/app/Http/Controllers/TrackerController.php b/app/Http/Controllers/TrackerController.php
index 57bd9da..a0dd212 100644
--- a/app/Http/Controllers/TrackerController.php
+++ b/app/Http/Controllers/TrackerController.php
@@ -141,7 +141,7 @@ class TrackerController extends Controller
 
         $client = new Client([
             'base_uri' => 'https://app.wayward.travel/',
-            'timeout' => 10.0
+            'timeout' => 20.0
         ]);
         $response = $client->get('trip/'.($tripId ?? config('app.current_trip_id')).'/user/zmld8ko6qy7d9j3xvq10/json');
 
@@ -173,10 +173,60 @@ class TrackerController extends Controller
                     }
                 }
 
+                $data->trip->locations = $this->decode_polyline($data->trip->route);
+
                 return $data->trip;
             default:
                 // TODO: Add proper error handling.
                 return "Something went wrong";
         }
     }
+
+    /*
+     * Decode route polyline.
+     *
+     * Source: https://github.com/dyaaj/polyline-encoder
+     *
+     * @param object $value
+     * @return object
+     */
+    public function decode_polyline($value)
+    {
+        $index = 0;
+        $points = array();
+        $lat = 0;
+        $lng = 0;
+        $id = 0;
+
+        while ($index < strlen($value)) {
+            $b;
+            $shift = 0;
+            $result = 0;
+            do {
+                $b = ord(substr($value, $index++, 1)) - 63;
+                $result |= ($b & 0x1f) << $shift;
+                $shift += 5;
+            } while ($b > 31);
+            $dlat = (($result & 1) ? ~($result >> 1) : ($result >> 1));
+            $lat += $dlat;
+
+            $shift = 0;
+            $result = 0;
+            do {
+                $b = ord(substr($value, $index++, 1)) - 63;
+                $result |= ($b & 0x1f) << $shift;
+                $shift += 5;
+            } while ($b > 31);
+            $dlng = (($result & 1) ? ~($result >> 1) : ($result >> 1));
+            $lng += $dlng;
+
+            array_push($points, (object)[ 
+                'id' => $id++,
+                'latitude' => $lat/100000, 
+                'longitude'=> $lng/100000
+            ]);
+        }
+
+        return $points;
+    }
 }
diff --git a/resources/views/tracker.blade.php b/resources/views/tracker.blade.php
index 7bfdf6b..fb60e1d 100644
--- a/resources/views/tracker.blade.php
+++ b/resources/views/tracker.blade.php
@@ -63,7 +63,7 @@
                 var routePoints = L.polyline([
                     @foreach($trip->locations as $location)
                         @if(!in_array($location->id, config('app.current_trip_ignore')))
-                    [{{ $location->latitude }}, {{ $location->longitude }}],
+                    [{{ $location->latitude }}, {{ $location->longitude }}], // {{$location->id}}
                         @endif
                     @endforeach
                 ], {