close #398 Added: Add custom validation type : currency

app/Http/Requests/Request.php

@@ -2,11 +2,33 @@
 
 namespace App\Http\Requests;
 
+use App\Models\Setting\Currency;
+
 use Illuminate\Foundation\Http\FormRequest;
+use Illuminate\Validation\Factory as ValidationFactory;
 
 class Request extends FormRequest
 {
 
+    public function __construct(ValidationFactory $validation)
+    {
+        $validation->extend(
+            'currency',
+            function ($attribute, $currency_code, $parameters) {
+                $currency = false;
+                $currencies = Currency::enabled()->pluck('name', 'code')->toArray();
+
+                if (array_key_exists($currency_code, $currencies)) {
+                    $currency = true;
+                }
+
+                return $currency;
+            },
+            trans('validation.custom.invalid_currency', ['attribute' => $currency_code])
+        );
+
+    }
+
     /**
      * Set the company id to the request.
      *