private void SynchronizeCustomers()
{
LastUpdate = new DateTime(1983, 11, 20);
if (dataHandler.QueryCustomers().Count > 0)
{
LastUpdate = dataHandler.QueryCustomers().OrderByDescending(i => i.Modified).Select(j => j.Modified.GetValueOrDefault()).First();
}
List <Customer> ServerCustomers = serviceHandler.CallService <List <Customer> >(@"QueryCustomers");
if (ServerCustomers != null)
{
List <Customer> newCustomers = ServerCustomers.Where(i => i.Modified > LastUpdate).Select(j => j).ToList();
foreach (var item in newCustomers)
{
if (dataHandler.QueryCustomers().Where(p => p.CustomerId.Equals(item.CustomerId)).Count() == 0)
{
dataHandler.InsertCustomer(item);
}
else
{
dataHandler.UpdateCustomer(item);
}
}
}
;
}