🆙 Add fixed cms 🆙

cms update/app/Services/InstallationService.php

@@ -0,0 +1,60 @@
+<?php
+
+namespace App\Services;
+
+use Illuminate\Support\Facades\Cache;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Facades\Schema;
+use Throwable;
+
+class InstallationService
+{
+    private ?bool $installationComplete = null;
+
+    public function isComplete(): bool
+    {
+        if ($this->installationComplete !== null) {
+            return $this->installationComplete;
+        }
+
+        if (Cache::has('app_installed')) {
+            $this->installationComplete = true;
+
+            return true;
+        }
+
+        try {
+            if (! Schema::hasTable('website_installation')) {
+                $this->installationComplete = false;
+
+                return false;
+            }
+
+            $installation = DB::table('website_installation')->first();
+
+            $isComplete = $installation && $installation->completed;
+
+            if ($isComplete) {
+                Cache::rememberForever('app_installed', fn () => true);
+            }
+
+            $this->installationComplete = $isComplete;
+
+            return $isComplete;
+        } catch (Throwable) {
+            $this->installationComplete = false;
+
+            return false;
+        }
+    }
+
+    public static function setComplete(): void
+    {
+        Cache::rememberForever('app_installed', fn () => true);
+    }
+
+    public static function clearCache(): void
+    {
+        Cache::forget('app_installed');
+    }
+}