Add transaction type

InventoryTraker.Web/Models/TransactionViewModel.cs

@@ -17,36 +17,39 @@ namespace InventoryTraker.Web.Models
 		public DateTime ExpirationDate { get; set; }
 		public DateTime AddedDate { get; set; }
 
-		[Required]
+		public string TransactionType { get; set; }
+
+		public int PreviousQuantity { get; set; }
+
 		public int AddedQuantity { get; set; }
 
-		[Required]
 		public int RemovedQuantity { get; set; }
 
-		[Required]
 		public int CurrentQuantity { get; set; }
 
-		[Required]
 		public DateTime TransactionDate { get; set; }
 
 		public string Memo { get; set; }
 
-		[Required]
 		public DateTime Timestamp { get; set; }
 
 		public void CreateMappings(IMapperConfiguration configuration)
 		{
 			configuration.CreateMap<Transaction, TransactionViewModel>()
-				.ForMember(d => d.Name, 
+				.ForMember(d => d.Name,
 					opt => opt.MapFrom(s => s.Inventory.InventoryType.Name))
-				.ForMember(d => d.ExpirationDate, 
+				.ForMember(d => d.ExpirationDate,
 					opt => opt.MapFrom(s => s.Inventory.ExpirationDate))
-				.ForMember(d => d.AddedDate, 
+				.ForMember(d => d.AddedDate,
 					opt => opt.MapFrom(s => s.Inventory.AddedDate))
-				.ForMember(d => d.UnitsPerCase, 
+				.ForMember(d => d.UnitsPerCase,
 					opt => opt.MapFrom(s => s.Inventory.InventoryType.UnitsPerCase))
-				.ForMember(d => d.ContainerType, 
-					opt => opt.MapFrom(s => s.Inventory.InventoryType.ContainerType));
+				.ForMember(d => d.ContainerType,
+					opt => opt.MapFrom(s => s.Inventory.InventoryType.ContainerType))
+				.ForMember(d => d.TransactionType,
+					opt => opt.MapFrom(s => s.TransactionType.ToString()))
+				.ForMember(d => d.PreviousQuantity,
+					opt => opt.MapFrom(s => s.CurrentQuantity - s.AddedQuantity + s.RemovedQuantity));
 		}
 	}
 }