private void addToCart(Article article)
{
//Checks if the selected articles quantity is more than 0
//if true then try to add the article to the shopping cart
if (int.Parse(article.getAttributeValue("quantity")) > 0)
{
var inventoryQTY = int.Parse(article.getAttributeValue("quantity"));
//Checks if the article already exists in the shopping cart,
//if true then increment its quantity by 1
if (cartList.articleExists(article.getAttributeValue("id")))
{
var index = cartList.findArticleIndex(article.getAttributeValue("id"));
var qty = cartList.articleList[index].getAttributeValue("quantity");
cartList.articleList[index].setAttributeValue("quantity", (int.Parse(qty) + 1).ToString());
}
//else add the article to the shopping cart with a quantity of 1
else
{
cartList.addArticle(article);
cartList.articleList.Last().setAttributeValue("quantity", "1");
}
article.setAttributeValue("quantity", (inventoryQTY - 1).ToString());
var inventoryIndex = inventoryList.findArticleIndex(article.getAttributeValue("id"));
inventoryList.articleList[inventoryIndex].setAttributeValue("quantity", (inventoryQTY - 1).ToString());
}
else
{
MessageBox.Show("There is no more stock of that item.");
}
}
