From baadb8f98267a9e287a6033f97c32f454ede52df Mon Sep 17 00:00:00 2001
From: Rumperuu <me+git@bengoldsworthy.net>
Date: Wed, 5 Oct 2022 19:30:39 +0000
Subject: [PATCH] Add trip caching

---
 routes/web.php | 49 ++++++++++++++++++++++++++++++++++++-------------
 1 file changed, 36 insertions(+), 13 deletions(-)

diff --git a/routes/web.php b/routes/web.php
index eda0073..f8467a1 100644
--- a/routes/web.php
+++ b/routes/web.php
@@ -1,6 +1,7 @@
 <?php
 
 use Illuminate\Support\Facades\Route;
+use Illuminate\Support\Facades\Storage;
 use GuzzleHttp\Client;
 
 /*
@@ -15,22 +16,44 @@ use GuzzleHttp\Client;
 */
 
 Route::get('/', function () {
-    if (config('app.current_trip_id')) {
-        $client = new Client([
-            'base_uri' => 'https://app.wayward.travel/',
-            'timeout' => 3.0
-        ]);
-        
-        $response = $client->get('trip/'.config('app.current_trip_id').'/user/zmld8ko6qy7d9j3xvq10/json');
+    if (!config('app.current_trip_id')) return view('no-trip');
 
-        if ($response->getStatusCode() == 200) {
-            $data = json_decode($response->getBody());
-            return view('tracker', ['trip' => $data->trip]);
-        } else {
-            return 'Something went wrong';
+    $tripFile = config('app.current_trip_id') . '.json';
+
+    if (Storage::disk('local')->exists($tripFile)) {
+        $cachedData = json_decode(Storage::disk('local')->get($tripFile));
+        $cachedDataUpdatedAt = new DateTime($cachedData->trip->updated_at);
+        $now = new DateTime();
+        if (intval(($now->getTimestamp() - $cachedDataUpdatedAt->getTimestamp()) / 3600) <= 5) {
+            return view('tracker', ['trip' => $cachedData->trip]);
         }
+    }
+
+    $client = new Client([
+        'base_uri' => 'https://app.wayward.travel/',
+        'timeout' => 3.0
+    ]);
+    
+    $response = $client->get('trip/'.config('app.current_trip_id').'/user/zmld8ko6qy7d9j3xvq10/json');
+
+    if ($response->getStatusCode() == 200) {
+        $data = json_decode($response->getBody());
+
+        if (Storage::disk('local')->missing($tripFile)) {
+            Storage::disk('local')->put($tripFile, json_encode($data));
+        } else {
+            $cachedData = json_decode(Storage::disk('local')->get($tripFile));
+            if ($data->trip->updated_at !== $cachedData->trip->updated_at) {
+                Storage::disk('local')->put($tripFile, json_encode($data));
+                // TODO: Cache photos locally
+            } else {
+                $data = $cachedData;
+            }
+        }
+
+        return view('tracker', ['trip' => $data->trip]);
     } else {
-        return view('no-trip');
+        return 'Something went wrong';
     }
 });