* Extended DataModels by Customer and CustomerTp

* Added new services and controllers for both models

SytelineSaAppEfDataModel/Services/CustomerOrderService.cs

@@ -65,6 +65,14 @@ namespace SytelineSaAppEfDataModel.Services
             return customerOrder;
         }
 
+        public async Task<CustomerOrderDto?> GetByCustomerAndPo(string customerNumber, int customerSequence,
+            string poNumber)
+        {
+            return await context.CustomerOrders
+                .Where(x => x.CustNum == customerNumber && x.CustSeq == customerSequence && x.CustPo == poNumber)
+                .Select(x => mapper.Map<CustomerOrderDto>(x)).FirstOrDefaultAsync();
+        }
+
         public async Task<IEnumerable<CustomerOrderLineItemDto>?> GetItemsByCoNumber(string customerOrderNumber)
         {
             List<CustomerOrderLineItemDto> customerOrderLineItems = await context.CustomerOrderLineItems