inital

FasdDesktopUi/Basics/Services/SupportCase/SupportCaseFactory.cs

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+using C4IT.FASD.Base;
+using FasdDesktopUi.Basics.Services.RelationService;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+
+namespace FasdDesktopUi.Basics.Services.SupportCase
+{
+    public static class SupportCaseFactory
+    {
+        private static readonly Dictionary<Guid, ISupportCase> _supportCases = new Dictionary<Guid, ISupportCase>();
+
+        private static ISupportCase Create(cF4sdIdentityEntry primaryIdentity, IRelationService relationService, cSupportCaseDataProvider supportCaseDataProvider)
+        {
+            SupportCase supportCase = new SupportCase(primaryIdentity.Id, relationService.Clone(), supportCaseDataProvider);
+            _supportCases.Add(primaryIdentity.Id, supportCase);
+            supportCase.Initialize();
+            return supportCase;
+        }
+
+        public static ISupportCase Get(cF4sdIdentityEntry primaryIdentity, IRelationService relationService, cSupportCaseDataProvider supportCaseDataProvider)
+        {
+            if (primaryIdentity is null)
+                throw new InvalidEnumArgumentException($"{nameof(primaryIdentity)} must not be null.");
+
+            if (primaryIdentity.Class != enumFasdInformationClass.User)
+                throw new InvalidEnumArgumentException($"{nameof(primaryIdentity)} must be of class {nameof(enumFasdInformationClass.User)}.");
+
+            if (_supportCases.TryGetValue(primaryIdentity.Id, out var supportCase))
+            {
+                supportCase.Initialize();
+                return supportCase;
+            }
+
+            return Create(primaryIdentity, relationService, supportCaseDataProvider);
+        }
+    }
+}