last works on Event Service ...

Extensions/XEventServiceExtensions.cs

@@ -71,7 +71,7 @@ namespace xEventService.Extensions
             var result =
                 !source.IsNullOrDefault() &&
                 !source.Exchange.IsNullOrEmpty() &&
-                !source.ExchangeType.IsValid();
+                source.ExchangeType.IsValid();
 
             //
             return result;
@@ -110,7 +110,37 @@ namespace xEventService.Extensions
             //
             return result;
         }
-        
+
+        /// <summary>
+        /// Validate ZeroMQ Pattern ...
+        /// </summary>
+        /// <param name="source"></param>
+        /// <returns></returns>
+        public static bool IsValid(this XZeroMQPattern source)
+        {
+            //
+            var result = source != XZeroMQPattern.None;
+
+            //
+            return result;
+        }
+
+        /// <summary>
+        /// Validate ZeroMQ Options ...
+        /// </summary>
+        /// <param name="source"></param>
+        /// <returns></returns>
+        public static bool IsValid(this XZeroMQOptions source)
+        {
+            //
+            var result =
+                !source.IsNullOrDefault() &&
+                source.Pattern.IsValid();
+
+            //
+            return result;
+        }
+
         /// <summary>
         /// Validate an Array is Wildcard passed or not ...
         /// </summary>
@@ -122,9 +152,9 @@ namespace xEventService.Extensions
             var result =
                 source is not null &&
                 source.Length == 1 &&
-                source.Any(s => 
+                source.Any(s =>
                     s == XEventServiceConstants.XWildcard);
-            
+
             //
             return result;
         }
@@ -145,6 +175,101 @@ namespace xEventService.Extensions
             return result;
         }
 
+        /// <summary>
+        /// Validate Sender ...
+        /// </summary>
+        /// <param name="source"></param>
+        /// <param name="allowedSenders"></param>
+        /// <returns></returns>
+        public static bool IsValidSender(
+            this XEventMessage source,
+            string[] allowedSenders
+        )
+        {
+            //
+            // Validate Source and Collection ...
+            var result =
+                source.IsValid() &&
+                allowedSenders
+                    .IsAllowedCollection();
+            if (!result)
+            {
+                return result;
+            }
+
+            //
+            // Validate Sender ...
+            result =
+                allowedSenders.IsAllowedWildcard() ||
+                allowedSenders.Any(x =>
+                    x.Equals(
+                        source.Sender,
+                        System.StringComparison.InvariantCultureIgnoreCase));
+
+            //
+            return result;
+        }
+
+        /// <summary>
+        /// Validate Action ...
+        /// </summary>
+        /// <param name="source"></param>
+        /// <param name="allowedActions"></param>
+        /// <returns></returns>
+        public static bool IsValidAction(
+            this XEventMessage source,
+            string[] allowedActions
+        )
+        {
+            //
+            // Validate Source and Collection ...
+            var result =
+                source.IsValid() &&
+                allowedActions
+                    .IsAllowedCollection();
+            if (!result)
+            {
+                return result;
+            }
+
+            //
+            // Validate Action ...
+            result =
+                allowedActions.IsAllowedWildcard() ||
+                allowedActions.Any(x =>
+                    x.Equals(
+                        source.Action,
+                        System.StringComparison.InvariantCultureIgnoreCase));
+
+            //
+            return result;
+        }
+
+        /// <summary>
+        /// Completely Validate a Message, based on providing:
+        /// - Allowed Actions
+        /// - Allowed Senders
+        /// </summary>
+        /// <param name="source"></param>
+        /// <param name="allowedSenders"></param>
+        /// <param name="allowedActions"></param>
+        /// <returns></returns>
+        public static bool IsValid(
+            this XEventMessage source,
+            string[] allowedSenders,
+            string[] allowedActions
+        )
+        {
+            //
+            var result =
+                source.IsValid() &&
+                source.IsValidAction(allowedActions) &&
+                source.IsValidSender(allowedSenders);
+
+            //
+            return result;
+        }
+
         /// <summary>
         /// Parse Url and Extract Host address ...
         /// </summary>