Piscal Client improvements

Core/Entities/LeafInput.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.ComponentModel.DataAnnotations;
+using LeafWeb.Core.Utility;
 
 namespace LeafWeb.Core.Entities
 {
@@ -20,7 +21,7 @@ namespace LeafWeb.Core.Entities
 		[Required(ErrorMessage = "A unique identifier is required")]
 		public string Identifier { get; set; }
 
-		[Required(ErrorMessage = "")]
+		[Required(ErrorMessage = "Site Id required")]
 		public string SiteId { get; set; }
 
 		[Required(ErrorMessage = "PhotosynthesisType required")]
@@ -32,5 +33,10 @@ namespace LeafWeb.Core.Entities
 
 		[DataType(DataType.Date)]
 		public DateTime? Processed { get; set; }
+
+		/// <summary>
+		/// An cleaned up identifier to be used for file naming, etc
+		/// </summary>
+		public string CombinedIdentifier => $"{Name.FilterAlphaNumeric()}_{Identifier.FilterAlphaNumeric()}";
 	}
 }