Add custom message to ConcurrencyException (#568)

Co-authored-by: Mike Alhayek <[email protected]>

src/YesSql.Abstractions/ConcurrencyException.cs

@@ -1,11 +1,15 @@
 using System;
+using System.Reflection.Metadata;
 
 namespace YesSql
 {
     public class ConcurrencyException : Exception
     {
-        public ConcurrencyException() : base("The document could not be updated as it has been changed by another process.")
+        public Document Document { get; }
+
+        public ConcurrencyException(Document document) : base($"The document with Id '{document.Id}' and type '{document.Type}' could not be updated as it has been changed by another process.")
         {
+            Document = document;
         }
     }
 }

src/YesSql.Core/Commands/UpdateDocumentCommand.cs

@@ -43,7 +43,7 @@ public override async Task ExecuteAsync(DbConnection connection, DbTransaction t
 
             if (_checkVersion > -1 && updatedCount != 1)
             {
-                throw new ConcurrencyException();
+                throw new ConcurrencyException(Document);
             }
 
             return;