reworked operation (#12)

Reviewed-on: #12
Co-authored-by: Mark M2 Macbook <marco@catelli.it>
Co-committed-by: Mark M2 Macbook <marco@catelli.it>

lib/core/utils/app_message.dart

@@ -0,0 +1,20 @@
+import 'package:flutter/material.dart';
+import 'package:flux/core/utils/extensions.dart';
+
+class AppMessage {
+  final String key;
+  final String? argument;
+
+  const AppMessage({required this.key, this.argument});
+
+  String translatedMessage(BuildContext context) {
+    switch (key) {
+      case 'authCubitCheckEmailToConfirmAccount':
+        return context.l10n.authCubitCheckEmailToConfirmAccount;
+      case 'authCubitResetPasswordEmailSentTo':
+        return context.l10n.authCubitResetPasswordEmailSentTo(argument!);
+      default:
+        return 'empty message';
+    }
+  }
+}