From 16f9db371ea4f52de76e537c7a950a0171e47f63 Mon Sep 17 00:00:00 2001
From: Henry Whitaker <henrywhitaker3@outlook.com>
Date: Fri, 10 Apr 2020 01:35:21 +0100
Subject: [PATCH] Added check for updates

Uses the version number in config/speedtest.php hosted on github
---
 app/Helpers/UpdateHelper.php              | 44 +++++++++++++++++++++--
 app/Http/Controllers/UpdateController.php |  1 +
 2 files changed, 43 insertions(+), 2 deletions(-)

diff --git a/app/Helpers/UpdateHelper.php b/app/Helpers/UpdateHelper.php
index 77aa0d98..6c20b6a1 100644
--- a/app/Helpers/UpdateHelper.php
+++ b/app/Helpers/UpdateHelper.php
@@ -7,7 +7,47 @@ use Exception;
 class UpdateHelper {
     public static function check()
     {
-        $current = config('app.version', false);
-        (!$current) ? false : '';
+        $current = config('speedtest.version', false);
+        if($current === false) {
+            return false;
+        }
+
+        $gitVersion = UpdateHelper::checkLatestVersion();
+        if($gitVersion === false) {
+            return false;
+        }
+
+        return (bool)(version_compare($current, $gitVersion['version']));
+    }
+
+    public static function checkLatestVersion()
+    {
+        $user = config('speedtest.user');
+        $repo = config('speedtest.repo');
+        $branch = config('speedtest.branch');
+
+        $url = 'https://raw.githubusercontent.com/'.$user
+                                                   .'/'
+                                                   .$repo
+                                                   .'/'
+                                                   .$branch
+                                                   .'/config/speedtest.php';
+
+        try {
+            $gitFile = file_get_contents($url);
+        } catch(Exception $e) {
+            return false;
+        }
+
+        $pattern = "/'version' => '([0-9]{1,}\.[0-9]{1,}\.[0-9]{1,})'/";
+        $version = [];
+        preg_match($pattern, $gitFile, $version);
+        $version = $version[1];
+
+        return [
+            'repo' => $user . '/' . $repo,
+            'branch' => $branch,
+            'version' => $version,
+        ];
     }
 }
diff --git a/app/Http/Controllers/UpdateController.php b/app/Http/Controllers/UpdateController.php
index 970692e6..c8b9ed89 100644
--- a/app/Http/Controllers/UpdateController.php
+++ b/app/Http/Controllers/UpdateController.php
@@ -10,6 +10,7 @@ class UpdateController extends Controller
     public function checkForUpdate()
     {
         return response()->json([
+            'method' => 'check for updates',
             'update' => UpdateHelper::check(),
         ], 200);
     }