public SuppliersListViewModel()
{
if (DesignerProperties.GetIsInDesignMode(
new System.Windows.DependencyObject())) return;
try
{
var suppliers = db.Suppliers.Include(s => s.Suburb);
Suppliers = new ObservableCollection<Supplier>(suppliers.ToList());
}
catch (Exception ex)
{
logger.Error(ex.Message.ToString());
}
try
{
var suburbs = db.Suburbs.ToList();
Suburbs = new ObservableCollection<Suburb>(suburbs);
}
catch (Exception ex)
{
logger.Error(ex.Message.ToString());
}
_newSupplier = new Supplier();
_searchResults = new ObservableCollection<Supplier>();
DeleteSupplierCommand = new RelayCommand<Supplier>(onDeleteSupplier);
UpdateSupplierCommand = new RelayCommand<Supplier>(onUpdateSupplier);
AddSupplierCommand = new RelayCommand<Supplier>(onAddSupplier);
FindSuppliersCommand = new RelayCommand<string>(onFindSuppliers);
}
public void onDeleteSupplier(Supplier sup)
{
if (sup != null)
{
MessageBoxResult messageBoxResult = System.Windows.MessageBox.Show("Are you sure you wish to delete this supplier?", "Confirm Delete", System.Windows.MessageBoxButton.YesNo);
if (messageBoxResult == MessageBoxResult.Yes)
{
int supplierid = sup.supplierID;
Supplier supToRemove = (Supplier)Suppliers.Single(s => s.supplierID == supplierid);
db.Suppliers.Remove(supToRemove);
db.SaveChanges();
Suppliers = UpdateSuppliersCollection(Suppliers);
}
}
}
public void onUpdateSupplier(Supplier sup)
{
var supplier = sup;
if (supplier != null)
{
db.Entry(supplier).State = EntityState.Modified;
db.SaveChanges();
Suppliers = UpdateSuppliersCollection(Suppliers);
MessageBoxResult msgBox = MessageBox.Show("Changes Saved", "Success");
}
}
public void onAddSupplier(Supplier sup)
{
var newSupplier = sup;
if (newSupplier != null)
{
db.Suppliers.Add(newSupplier);
db.SaveChanges();
Suppliers = UpdateSuppliersCollection(Suppliers);
MessageBoxResult msgBox = MessageBox.Show("Supplier Added", "Success");
}
}
