metodi x calcolo hh-mm-ss da durate

MP.Data/Utils.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MP.Data
+{
+    public class Utils
+    {
+        #region Public Methods
+
+        public static string ConvMinToTime(double minutes)
+        {
+            // FIXME TODO: da rendere parametrico da appsettings.json...
+            var ts = TimeSpan.FromMinutes(minutes);
+            string answ = $"{ts.Hours:00}:{ts.Minutes:00}:{ts.Seconds:00}"; //.{ts.Milliseconds}
+            return answ;
+        }
+
+        public static string ConvMsecToTime(long milliseconds)
+        {
+            // FIXME TODO: da rendere parametrico da appsettings.json...
+            var ts = TimeSpan.FromMilliseconds(milliseconds);
+            string answ = $"{ts.Hours:00}:{ts.Minutes:00}:{ts.Seconds:00}"; //.{ts.Milliseconds}
+            return answ;
+        }
+
+        #endregion Public Methods
+    }
+}