private async Task ExecuteLoadCustomersCommand()
{
if (IsBusy)
{
return;
}
IsBusy = true;
try
{
Customers.Clear();
var items = await CustomersDataStore.GetItemsAsync(true);
Customers.ReplaceRange(items);
}
catch (Exception ex)
{
Debug.WriteLine(ex);
MessagingCenter.Send(new MessagingCenterAlert
{
Title = "Error",
Message = "Unable to load customers.",
Cancel = "OK"
}, "message");
}
finally
{
IsBusy = false;
}
}
public CustomersViewModel()
{
Title = "Customers";
MessagingCenter.Subscribe <CustomerEditPage, Customer>(this, "AddCustomer", async(obj, customer) =>
{
var _customer = (Customer)customer;
Customers.Add(_customer);
await CustomersDataStore.AddItemAsync(_customer);
});
}
public async Task LoadRelatedFieldsAsync()
{
RelatedCustomer = await CustomersDataStore.GetItemAsync(SelectedOrder.CustomerId);
RelatedEmployee = await EmployeesDataStore.GetItemAsync(SelectedOrder.EmployeeId);
}
