initial commit

Shared/Utils/FluentValidationHelper.cs

@@ -0,0 +1,20 @@
+using FluentValidation;
+
+namespace Indotalent.Shared.Utils;
+
+public static class FluentValidationHelper
+{
+    public static Func<object, string, Task<IEnumerable<string>>> ValidateValue<T>(this AbstractValidator<T> validator) => async (model, propertyName) =>
+    {
+        if (model is not T typedModel)
+            return Array.Empty<string>();
+
+        var context = ValidationContext<T>.CreateWithOptions(typedModel, x => x.IncludeProperties(propertyName));
+        var result = await validator.ValidateAsync(context);
+
+        if (result.IsValid)
+            return Array.Empty<string>();
+
+        return result.Errors.Select(e => e.ErrorMessage);
+    };
+}