add length validation service

2025-06-04 15:23:12 +02:00
parent 31253b7511
commit d392b97e73
1 changed files with 10 additions and 0 deletions
--- a/Frontend/lib/mih_apis/mih_validation_services.dart
+++ b/Frontend/lib/mih_apis/mih_validation_services.dart
@@ -6,6 +6,16 @@ class MihValidationServices {
    return null;
  }

+  String? validateLength(String? value, int maxLength) {
+    if (value == null || value.isEmpty) {
+      return "This field is required";
+    }
+    if (value.length > maxLength) {
+      return "Length must not exceed $maxLength characters";
+    }
+    return null;
+  }
+
  String? validateEmail(String? email) {
    if (email == null || email.isEmpty) {
      return "Email is required";