/// <summary>
/// Called when the user wants to add a new sale
/// </summary>
/// <param name="sender">Event owner</param>
/// <param name="e">Event args</param>
private void View_Add(object sender, EventArgs e)
{
if (!OpenSession())
return;
// Create a new sale object and assign values
// values should be validated before getting here
var sale = new Sale();
sale.StoreId = _view.StoreId;
sale.ProductId = _view.ProductId;
sale.SaleTime = DateFormatter.GetDateWithoutMilliseconds(DateTime.Now);
try
{
// Save new sale
_saleRepository.Save(sale);
_saleRepository.Commit();
UpdateStatus("New sale created with ID of " + sale.Id);
}
catch (Exception ex)
{
OperationFailed(ex, "Could not add Sale\n");
}
}
/// <summary>
/// Called when the user wants to find one or more sales
/// using a specfied criteria
/// </summary>
/// <param name="sender">Event owner</param>
/// <param name="e">Event args</param>
private void View_Get(object sender, EventArgs e)
{
if (!OpenSession())
return;
// Search by ID if we have one
if (_view.Id != 0)
{
var sale = new Sale();
try
{
// Search by ID
sale = _saleRepository.Get(_view.Id);
}
catch (Exception ex)
{
OperationFailed(ex, "Could not retrieve Sale by ID\n");
return;
}
// Nothing found inform the user
if (sale == null)
{
UpdateStatus("Could not find Sale with an ID of " + _view.Id);
return;
}
UpdateStatus("ID: " + sale.Id +
"\nStore ID: " + sale.StoreId +
"\nProduct ID: " + sale.ProductId +
"\nTimestamp: " + sale.SaleTime);
return; // Prevent further searching
}
IList<Sale> sales = new List<Sale>();
try
{
// Determine which search to perform
if (_view.StoreId != 0)
{
// Search by store ID
sales = _saleRepository.GetWithStoreId(_view.StoreId);
} else if (_view.ProductId != 0)
{
// Search by product ID
sales = _saleRepository.GetWithProductId(_view.ProductId);
}
}
catch (Exception ex)
{
OperationFailed(ex, "Could not retrieve Sale by Store ID\n");
return;
}
// None found inform the user
if (sales.Count == 0)
{
UpdateStatus("No Sales found with the Store ID of " + _view.StoreId);
return;
}
// Return the list of sales back to the view
OnObjectGetAllReturned?.Invoke(this, new ObjectGetAllReturnedArgs<IList<Sale>>(sales));
}