Add simplified ticket completion flow

FasdDesktopUi/Basics/Helper/TicketDeepLinkHelper.cs

@@ -1,8 +1,10 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Threading.Tasks;
 
 using C4IT.FASD.Base;
+using C4IT.FASD.Cockpit.Communication;
 using C4IT.Logging;
 
 using FasdDesktopUi.Basics;
@@ -15,6 +17,33 @@ namespace FasdDesktopUi.Basics.Helper
     {
         private const string DefaultTicketActivityType = "SPSActivityTypeTicket";
 
+        internal static async Task<bool> TryOpenFinalizedTicketExternallyAsync(Guid ticketId, enumTicketExternalOpenMode mode)
+        {
+            try
+            {
+                if (ticketId == Guid.Empty || mode == enumTicketExternalOpenMode.None)
+                    return false;
+
+                var linkResult = await cFasdCockpitCommunicationBase.Instance.GetTicketExternalLinkAsync(ticketId, mode);
+                if (linkResult?.Success != true ||
+                    !Uri.TryCreate(linkResult.Url, UriKind.Absolute, out var ticketUri) ||
+                    (ticketUri.Scheme != Uri.UriSchemeHttp && ticketUri.Scheme != Uri.UriSchemeHttps))
+                {
+                    LogEntry($"Could not resolve an external link for ticket '{ticketId:D}'.", LogLevels.Warning);
+                    return false;
+                }
+
+                new cBrowsers().Start("default", ticketUri.AbsoluteUri);
+                return true;
+            }
+            catch (Exception ex)
+            {
+                LogException(ex);
+            }
+
+            return false;
+        }
+
         internal static bool TryOpenTicketRelationExternally(cF4sdApiSearchResultRelation relation, bool forceExternal = false)
         {
             try