[Feature] Added system checker for local and remote versions (alexjustesen#979)

Author: alexjustesen

app/Services/SystemChecker.php

@@ -0,0 +1,65 @@
+<?php
+
+namespace App\Services;
+
+use Illuminate\Support\Facades\Cache;
+
+/**
+ * 🤔 inspired by: https://github.com/ploi/roadmap/blob/main/app/Services/SystemChecker.php
+ */
+class SystemChecker
+{
+    public $localVersion;
+
+    public $remoteVersion;
+
+    public string $cacheKeyLocal = 'speedtest-local-version';
+
+    public string $cacheKeyRemote = 'speedtest-remote-version';
+
+    public function getVersions(): self
+    {
+        $this->localVersion = trim($this->getLocalVersion());
+
+        $this->remoteVersion = trim($this->getRemoteVersion());
+
+        return $this;
+    }
+
+    public function getLocalVersion()
+    {
+        return cache()->remember($this->cacheKeyLocal, now()->addDay(), function () {
+            return shell_exec('git describe --tag --abbrev=0');
+        });
+    }
+
+    public function getRemoteVersion()
+    {
+        return cache()->remember($this->cacheKeyRemote, now()->addDay(), function () {
+            return shell_exec('curl https://api.github.com/repos/alexjustesen/speedtest-tracker/releases/latest -s | grep \'"tag_name":\' | sed -E \'s/.*"([^"]+)".*/\1/\'');
+        });
+    }
+
+    public function isOutOfDate()
+    {
+        $this->getVersions();
+
+        return $this->localVersion < $this->remoteVersion || $this->localVersion != $this->remoteVersion;
+    }
+
+    public function flushVersionData()
+    {
+        try {
+            Cache::forget($this->cacheKeyLocal);
+
+            Cache::forget($this->cacheKeyRemote);
+        } catch (\Exception $exception) {
+            // fail silently, it's ok
+        }
+    }
+
+    public function getPhpVersion(): string
+    {
+        return phpversion();
+    }
+}