Commit inicial: ITCA_API_SAP_WMS (.NET Core 3.1)

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

Net.Business.Entities/ServicesLayer/PurchaseOrders/BE_PurchaseOrders.cs

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+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Net.Business.Entities.ServicesLayer.PurchaseOrders
+{
+    public class BE_PurchaseOrders
+    {
+        public DateTime DocDate { get; set; }
+        public DateTime DocDueDate { get; set; }
+        public string CardCode { get; set; }
+        public string CardName { get; set; }
+        public string DocCurrency { get; set; }
+        public string PaymentGroupCode { get; set; }
+        public string DocObjectCode { get; set; }
+        public int DocEntry { get; set; }
+        public List<BE_PurchaseOrdersLine> DocumentLines { get; set; }
+    }
+}

Net.Business.Entities/ServicesLayer/PurchaseOrders/BE_PurchaseOrdersBatchNumbers.cs

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+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Net.Business.Entities.ServicesLayer.PurchaseOrders
+{
+    public class BE_PurchaseOrdersBatchNumbers
+    {
+        public string BatchNumber { get; set; }
+        public string Quantity { get; set; }
+    }
+}

Net.Business.Entities/ServicesLayer/PurchaseOrders/BE_PurchaseOrdersLine.cs

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+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Net.Business.Entities.ServicesLayer.PurchaseOrders
+{
+    public class BE_PurchaseOrdersLine
+    {
+        public int LineNum { get; set; }
+        public string ItemCode { get; set; }
+        public string ItemDescription { get; set; }
+        public decimal Quantity { get; set; }
+        public decimal PriceAfterVAT { get; set; }
+        public string WarehouseCode { get; set; }
+        public string Currency { get; set; }
+
+        public List<BE_PurchaseOrdersBatchNumbers> BatchNumbers { get; set; }
+
+    }
+}