public long UpdateInvoiceItem(InvoiceItemObject fee)
        {
            try
            {
                if (fee == null)
                {
                    return(-2);
                }

                var invoiceItemEntity = ModelMapper.Map <InvoiceItemObject, InvoiceItem>(fee);
                if (invoiceItemEntity == null || invoiceItemEntity.Id < 1)
                {
                    return(-2);
                }

                using (var db = new ImportPermitEntities())
                {
                    db.InvoiceItems.Attach(invoiceItemEntity);
                    db.Entry(invoiceItemEntity).State = EntityState.Modified;
                    db.SaveChanges();
                    return(fee.Id);
                }
            }
            catch (Exception ex)
            {
                ErrorLogger.LoggError(ex.StackTrace, ex.Source, ex.Message);
                return(0);
            }
        }
        public long AddInvoiceItem(InvoiceItemObject fee)
        {
            try
            {
                if (fee == null)
                {
                    return(-2);
                }

                var invoiceItemEntity = ModelMapper.Map <InvoiceItemObject, InvoiceItem>(fee);
                if (invoiceItemEntity == null || invoiceItemEntity.InvoiceId < 1)
                {
                    return(-2);
                }
                using (var db = new ImportPermitEntities())
                {
                    var returnStatus = db.InvoiceItems.Add(invoiceItemEntity);
                    db.SaveChanges();
                    return(returnStatus.Id);
                }
            }
            catch (Exception ex)
            {
                ErrorLogger.LoggError(ex.StackTrace, ex.Source, ex.Message);
                return(0);
            }
        }