init

Kreta.WebApi/Naplo/Kreta.Naplo.Domain/V3/Logic/UidLogic.cs

@@ -0,0 +1,40 @@
+using System;
+using Kreta.Naplo.Domain.V3.Interfaces;
+
+namespace Kreta.Naplo.Domain.V3.Logic
+{
+    public static class UidLogic
+    {
+        public static T GetUid<T>(string uidRaw, Converter<string[], T> uidConverter) where T : class, IReadonlyUidRaw
+        {
+            if (string.IsNullOrWhiteSpace(uidRaw))
+            {
+                return null;
+            }
+
+            string[] compositeKey = uidRaw.Split(Constant.UidInnerDelimiter);
+
+            T uid = uidConverter.Invoke(compositeKey);
+            return uid;
+        }
+
+        public static string[] GetCompositeKeyElements(string uidRaw) => string.IsNullOrWhiteSpace(uidRaw) ? null : uidRaw.Split(Constant.UidInnerDelimiter);
+
+        public static string Concat(params object[] compositeKeyElements)
+        {
+            for (int i = 0; i < compositeKeyElements.Length; i++)
+            {
+                if (compositeKeyElements[i] == null)
+                {
+                    compositeKeyElements[i] = Constant.UidNullValue;
+                }
+                else if (string.IsNullOrWhiteSpace(compositeKeyElements[i].ToString()))
+                {
+                    compositeKeyElements[i] = Constant.UidNanValue;
+                }
+            }
+
+            return string.Join(Constant.UidInnerDelimiter.ToString(), compositeKeyElements);
+        }
+    }
+}