Testing und interfaces

FasdDesktopUi/Basics/Services/Models/TicketOverviewCommunicationSource.cs

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+using System;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using C4IT.FASD.Cockpit.Communication;
+#if isDemo
+using FasdCockpitCommunicationDemo;
+#endif
+
+namespace FasdDesktopUi.Basics.Services.Models
+{
+    internal interface ITicketOverviewCommunication
+    {
+        bool IsDemo();
+
+        Task<Dictionary<string, int>> GetTicketOverviewCounts(string[] overviewKeys, bool useRoleScope);
+
+#if isDemo
+        void RegisterGeneratedTicket(DemoTicketRecord record);
+#endif
+    }
+
+    internal interface ITicketOverviewCommunicationSource
+    {
+        ITicketOverviewCommunication Resolve();
+    }
+
+    internal sealed class TicketOverviewCommunicationSource : ITicketOverviewCommunicationSource
+    {
+        public ITicketOverviewCommunication Resolve()
+        {
+            var communication = cFasdCockpitCommunicationBase.Instance;
+            return communication == null ? null : new TicketOverviewCommunicationAdapter(communication);
+        }
+    }
+
+    internal sealed class TicketOverviewCommunicationAdapter : ITicketOverviewCommunication
+    {
+        private readonly cFasdCockpitCommunicationBase _communication;
+
+        internal TicketOverviewCommunicationAdapter(cFasdCockpitCommunicationBase communication)
+        {
+            _communication = communication ?? throw new ArgumentNullException(nameof(communication));
+        }
+
+        public bool IsDemo()
+        {
+            return _communication.IsDemo();
+        }
+
+        public async Task<Dictionary<string, int>> GetTicketOverviewCounts(string[] overviewKeys, bool useRoleScope)
+        {
+            var rawCounts = await _communication.GetTicketOverviewCounts(overviewKeys, useRoleScope).ConfigureAwait(false);
+            return rawCounts == null
+                ? new Dictionary<string, int>(StringComparer.OrdinalIgnoreCase)
+                : new Dictionary<string, int>(rawCounts, StringComparer.OrdinalIgnoreCase);
+        }
+
+#if isDemo
+        public void RegisterGeneratedTicket(DemoTicketRecord record)
+        {
+            var demoCommunication = _communication as cFasdCockpitCommunicationDemo;
+            demoCommunication?.RegisterGeneratedTicket(record);
+        }
+#endif
+    }
+}