implemented new protocol

Signed-off-by: Matt Bruce <matt.bruce@verizon.com>

MVMCoreUI/FormUIHelpers/FormFieldProtocol.swift

@@ -6,7 +6,7 @@
 //  Copyright © 2020 Verizon Wireless. All rights reserved.
 //
 //  Form fields are items can be interacted with. They have value, and may need to be validated.
-
+import VDS
 
 public protocol FormFieldProtocol: FormItemProtocol {
     
@@ -36,6 +36,21 @@ public extension FormFieldProtocol {
     }
 }
 
+public protocol FormFieldInternalValidatableProtocol: FormFieldProtocol {
+    associatedtype ValueType
+    var rules: [AnyRule<ValueType>]? { get set }
+    var internalRules: [RuleAnyModelProtocol]? { get }
+}
+
+extension FormFieldInternalValidatableProtocol {
+    public var internalRules: [RuleAnyModelProtocol]? {
+        guard let fieldKey else { return nil }
+        return rules?.compactMap{ rule in
+            return RuleVDSModel(field: fieldKey, rule: rule)
+        }
+    }
+}
+
 public class FormFieldValidity{
     public var fieldKey: String
     public var valid: Bool = true