Import/export expenses #194

app/Http/Requests/CreateAircraftRequest.php

@@ -9,21 +9,21 @@ class CreateAircraftRequest extends FormRequest
 {
     /**
      * Determine if the user is authorized to make this request.
-     *
      * @return bool
      */
-    public function authorize()
+    public function authorize(): bool
     {
         return true;
     }
 
     /**
      * Get the validation rules that apply to the request.
-     *
      * @return array
      */
-    public function rules()
+    public function rules(): array
     {
-        return Aircraft::$rules;
+        $rules = Aircraft::$rules;
+        $rules['registration'] .= '|unique:aircraft';
+        return $rules;
     }
 }