private void AddToInventoryButton_Click(object sender, EventArgs e)
{
if (orderListBox.SelectedIndex >= 0)
{
var article = orderList.getItemByName((string)orderListBox.SelectedItem);
if (!inventoryList.articleExists(article.getAttributeValue("id")))
{
if (radioButton1.Checked)
{
article.setAttributeValue("quantity", "1");
}
else if (radioButton2.Checked)
{
article.setAttributeValue("quantity", "5");
}
else if (radioButton3.Checked)
{
article.setAttributeValue("quantity", "10");
}
else
{
article.setAttributeValue("quantity", quantityNumeric.Value.ToString());
}
inventoryList.articleList.Add(article);
updateInventoryGridView();
}
radioButton1.Checked = true;
radioButton2.Checked = false;
radioButton3.Checked = false;
quantityNumeric.Text = "0";
quantityNumeric.Value = 0;
}
}
private void removeFromCart(Article article, int index)
{
//removes the article from the shopping cart and restore the quantity to the store
try
{
Article storeArticle = storeList.getItemByName(article.getAttributeValue("name"));
string tempQty = article.getAttributeValue("quantity");
int Qty = int.Parse(storeArticle.getAttributeValue("quantity")) + int.Parse(tempQty);
storeArticle.setAttributeValue("quantity", Qty.ToString());
var inventoryIndex = inventoryList.findArticleIndex(article.getAttributeValue("id"));
inventoryList.articleList[inventoryIndex].setAttributeValue("quantity", Qty.ToString());
cartList.articleList.RemoveAt(index);
}
catch (NullReferenceException)
{
//catch if the article you try to remove from the shopping cart no longer exists in the store
//try to restore the quantity to the inventory
Console.WriteLine("The item youre trying to remove from the cart is no longer in the store.");
try
{
Article inventoryArticle = inventoryList.getItemByName(article.getAttributeValue("name"));
string tempQty = article.getAttributeValue("quantity");
int Qty = int.Parse(inventoryArticle.getAttributeValue("quantity")) + int.Parse(tempQty);
inventoryArticle.setAttributeValue("quantity", Qty.ToString());
cartList.articleList.RemoveAt(index);
}
//catch again if the same article does not exist in the inventory
catch (NullReferenceException)
{
Console.WriteLine("The item youre trying to remove from the cart is no longer in the store or inventory.");
cartList.articleList.RemoveAt(index);
}
}
updateCartGridView();
updateStoreGridView();
}