Add file system checks to self checker

app/Jobs/Util/Import.php

@@ -241,7 +241,6 @@ class Import implements ShouldQueue
             $this->company->account->companies()->update(['is_large' => true]);
         }
 
-
         $this->company->client_registration_fields = \App\DataMapper\ClientRegistrationFields::generate();
         $this->company->save();
 

app/Utils/SystemHealth.php

@@ -81,9 +81,31 @@ class SystemHealth
             'pdf_engine' => (string) self::getPdfEngine(),
             'queue' => (string) config('queue.default'),
             'trailing_slash' => (bool) self::checkUrlState(),
+            'file_permissions' => (string) self::checkFileSystem()
         ];
     }
 
+    public static function checkFileSystem()
+    {
+
+        $directoryIterator = new \RecursiveDirectoryIterator(base_path(), \RecursiveDirectoryIterator::SKIP_DOTS);
+
+        foreach (new \RecursiveIteratorIterator($directoryIterator) as $file) {
+
+            if(strpos($file->getPathname(), '.git') !== false)
+                continue;
+
+            //nlog($file->getPathname());
+
+            if ($file->isFile() && ! $file->isWritable()) {
+                return "{$file->getFileName()} is not writable";
+            }
+        }
+
+        return 'Ok';
+
+    }
+
     public static function checkUrlState()
     {
         if (env('APP_URL') && substr(env('APP_URL'), -1) == '/')