private void ApplyButton_Click(object sender, EventArgs e)
{
int age = int.Parse(AgeTextBox.Text);
bool isStudent = StudentCheckBox.Checked;
int income = int.Parse(IncomeTextBox.Text);
BundleItem bundleItem = (BundleItem)BundleSelection.SelectedItem;
if (!RulesValidator.Validate(_config.Bundles[bundleItem.BundleID].Rules, age, isStudent, income, null))
{
Bundle bundle = _config.Bundles[bundleItem.BundleID];
string errorMessage = GetErrorMessage(bundle.Rules, string.Format(BUNDLE_SENDER_FORMAT, bundle.Name));
MessageBox.Show(errorMessage, ERROR_CAPTION, MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
else
{
List <string> selectedProducts = new List <string>();
for (int i = 0; i < AccountsContainer.Controls.Count; ++i)
{
RadioButton radioButton = (RadioButton)AccountsContainer.Controls[i];
if (radioButton.Checked)
{
ProductItem productItem = (ProductItem)radioButton.Tag;
selectedProducts.Add(productItem.ProductID);
break;
}
}
var checkedItems = ProductList.CheckedItems.GetEnumerator();
while (checkedItems.MoveNext())
{
ProductItem productItem = (ProductItem)checkedItems.Current;
selectedProducts.Add(productItem.ProductID);
}
for (int i = 0; i < selectedProducts.Count; ++i)
{
Product product = _config.Products[selectedProducts[i]];
if (!RulesValidator.Validate(product.Rules, age, isStudent, income, selectedProducts))
{
string errorMessage = GetErrorMessage(product.Rules, string.Format(PRODUCT_SENDER_FORMAT, product.Name));
MessageBox.Show(errorMessage, ERROR_CAPTION, MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
}
}
UpdateCurrentBundle();
}
public string Evaluate(int age, bool isStudent, int income)
{
var enumerator = _config.Bundles.GetEnumerator();
List <string> eligibleBundles = new List <string>();
while (enumerator.MoveNext())
{
Bundle bundle = enumerator.Current.Value;
if (RulesValidator.Validate(bundle.Rules, age, isStudent, income, null))
{
eligibleBundles.Add(enumerator.Current.Key);
}
}
if (eligibleBundles.Count > 1)
{
return(GetBestValueBundle(eligibleBundles));
}
else if (eligibleBundles.Count == 1)
{
return(eligibleBundles[0]);
}
return(string.Empty);
}