Piscal client - check status and retrieve file skeleton in place

Core/Remote/PiscalUtility.cs

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+using System;
+using System.Text.RegularExpressions;
+using LeafWeb.Core.Entities;
+using LeafWeb.Core.Utility;
+
+namespace LeafWeb.Core.Remote
+{
+	public static class PiscalUtility
+	{
+		public static string GetPiscalDirectoryName(int id, string name, string identifier)
+		{
+			return $"{id}_{name.FilterAlphaNumeric()}_{identifier.FilterAlphaNumeric()}";
+		}
+
+		public static string GetPiscalDirectoryName(LeafInputFile leafInputFile)
+		{
+			return GetPiscalDirectoryName(leafInputFile.Id, leafInputFile.LeafInput.Name, leafInputFile.LeafInput.Identifier);
+		}
+
+		public static int GetIdFromDirectoryName(string directoryName)
+		{
+			var match = Regex.Match(directoryName, @"\d_");
+			if (!match.Success)
+				throw new FormatException("DirectoryName expected to be formatted {number}_{name}_{identifier}: " + directoryName);
+			return int.Parse(match.Captures[0].Value);
+		}
+	}
+}