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add number validation

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Yasien Mac Mini
2025-06-09 12:24:40 +02:00
parent 8d53084091
commit 23cbc18649
1 changed files with 21 additions and 0 deletions
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21
Frontend/lib/mih_apis/mih_validation_services.dart
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@@ -54,6 +54,27 @@ class MihValidationServices {
return "Let's create a great username for you!$errorMessage";
}
String? validateNumber(String? number, int? minValue, int? maxValue) {
String? errorMessage = "";
if (number == null || number.isEmpty) {
errorMessage += "This field is required";
return errorMessage;
}
int? value = int.tryParse(number);
if (value == null) {
errorMessage += "Please enter a valid number";
return errorMessage;
}
if (value < (minValue ?? 0)) {
errorMessage += "Value must be >= ${minValue ?? 0}";
}
if (maxValue != null && value > maxValue) {
if (errorMessage.isNotEmpty) errorMessage += "\n";
errorMessage += "Value must be <= $maxValue";
}
return errorMessage.isEmpty ? null : errorMessage;
}
String? validatePassword(String? password) {
String? errorMessage = "";
if (password == null || password.isEmpty) {