* Added function to get LastOrderNumber

SytelineSaAppEfDataModel/Services/EdiCustomerOrderService.cs

@@ -9,6 +9,15 @@ namespace SytelineSaAppEfDataModel.Services
 {
     public class EdiCustomerOrderService(SytelineSaAppDbContext context, IMapper mapper) : IEdiCustomerOrderService
     {
+        public async Task<int> GetLastOrderNumber()
+        {
+            var lastOrderNumber =
+                (await context.EdiCustomerOrders.OrderByDescending(x => x.CustomerOrderNumber).FirstOrDefaultAsync())
+                ?.CustomerOrderNumber[3..] ?? "0";
+
+            return int.Parse(lastOrderNumber);
+        }
+        
         public async Task<IEnumerable<EdiCustomerOrderDto>> GetAll()
         {
             IList<EdiCustomerOrderTranslateDto> ediCustomerOrderTranslates = await context.EdiCustomerOrderTranslates

SytelineSaAppEfDataModel/Services/IEdiCustomerOrderService.cs

@@ -9,6 +9,7 @@ namespace SytelineSaAppEfDataModel.Services
 {
     public interface IEdiCustomerOrderService
     {
+        Task<int> GetLastOrderNumber();
         Task<IEnumerable<EdiCustomerOrderDto>> GetAll();
         Task<IEnumerable<EdiCustomerOrderDto?>> GetByDate(DateTime date);
         Task<EdiCustomerOrderDto?> GetByOrderNumber(Guid orderNumber);