Added Validation logics

Toolkit.Foundation/Validator.cs

@@ -4,48 +4,30 @@ namespace Toolkit.Foundation;
 
 public class Validator
 {
-    private readonly Action? propertyChanged;
-    private readonly PropertyValidator? propertyValidation;
+    private readonly ValidationRule[] rules = [];
 
-    internal Validator(string propertyName,
-        Action propertyChanged)
+    public Validator(string propertyName,
+        ValidationRule[] rules)
     {
         PropertyName = propertyName;
-        this.propertyChanged = propertyChanged;
-    }
-
-    internal Validator(string propertyName,
-        Action propertyChanged,
-        PropertyValidator validation)
-    {
-        PropertyName = propertyName;
-
-        this.propertyChanged = propertyChanged;
-        propertyValidation = validation;
-    }
-
-    internal Validator(string propertyName,
-        PropertyValidator validation)
-    {
-        PropertyName = propertyName;
-        propertyValidation = validation;
+        this.rules = rules;
     }
 
     public string? PropertyName { get; }
 
-    public void Set() => propertyChanged?.Invoke();
-
     public bool TryValidate([MaybeNull] out string message)
     {
         message = "";
 
-        if (propertyValidation is not null && propertyValidation.Validation?.Invoke() == false)
+        foreach (ValidationRule rule in rules)
         {
-            message = propertyValidation.Message.Invoke();
-            return false;
+            if (rule.Validation?.Invoke() == false)
+            {
+                message = rule.Message?.Invoke();
+                return false;
+            }
         }
 
-        propertyChanged?.Invoke();
         return true;
     }
 }