public static decimal Buy()
{
AccountUser au = new AccountUser();
string mainFile = @"products.xml";
decimal result = 0;
decimal money = au.GetBalance();
if (money == 0 || money < 0)
{
Console.WriteLine("Pls take credit");
}
else if (!File.Exists(mainFile))
{
Console.WriteLine("Seller did not add products!");
Console.ReadKey();
}
else
{
Info info = new Info();
XDocument doc = XDocument.Load(mainFile);
Console.Write("Id: ");
info.Id = Convert.ToInt32(Console.ReadLine());
Console.Write("Category: ");
info.Category = Console.ReadLine();
var node = from product in doc.Descendants("Product")
where (string)product.Attribute("id") == "" + info.Id && (string)product.Attribute("category") == "" + info.Category
select new
{
id = product.Attribute("id").Value,
category = product.Attribute("category").Value,
title = product.Element("title").Value,
price = product.Element("price").Value,
weight = product.Element("description").Element("weight").Value
};
Console.WriteLine("You buy product or products...\n");
foreach (var nod in node)
{
Console.WriteLine("Id: " + nod.id);
Console.WriteLine("Category: " + nod.category);
Console.WriteLine("Title: " + nod.title);
Console.WriteLine("Price: " + nod.price + " RUB");
Console.WriteLine("Weight: " + nod.weight);
result = Convert.ToDecimal(nod.price);
}
doc.Element("Products")
.Descendants("Product")
.Where(x => (string)x.Attribute("id") == "" + info.Id && (string)x.Attribute("category") == "" + info.Category)
.Remove();
doc.Save(mainFile);
var docA = new XmlDocument();
docA.Load(mainFile);
var nodeA = docA.SelectSingleNode("Products/Product");
if (nodeA == null)
{
File.Delete(mainFile);
}
else
{
Console.WriteLine("O_o");
}
/*IEnumerable<string element = xDoc.Element("Products").Descendants("Product")
* .Where(x => (string)x.Attribute("id") == "" + info.Id && (string)x.Attribute("category") == "" + info.Category)
* .Select(r => r.Element("Price")).Value;*/
Console.ReadKey();
}
return(result);
}
static void GetCredit()
{
AccountUser au = new AccountUser();
au.ShowCredit();
}
static void Buy()
{
AccountUser au = new AccountUser();
au.BuyProducts();
}
static void BankUser()
{
Bank au = new AccountUser();
au.Print();
}