public string processTransaction(string UserName, string CardNumber, string CVV, string ExpMonth, string ExpYear, string Amount)
{
try
{
string fLocation = Path.Combine(HttpRuntime.AppDomainAppPath, @"App_Data");
string file = Path.Combine(fLocation, "AccountInfo.xml");
string file4 = Path.Combine(fLocation, "TransactionDetails.xml");
XmlDocument xDoc = new XmlDocument();
xDoc.Load(file);
XmlNodeList nodes = xDoc.GetElementsByTagName("AccountDetails");
foreach (XmlNode node in nodes)
{
if (node["Email"].InnerText == UserName)
{
if (node["CardNumber"].InnerText == CardNumber && node["CVV"].InnerText == CVV && node["ExpMonth"].InnerText == ExpMonth && node["ExpYear"].InnerText == ExpYear)
{
if (Convert.ToDouble(node["Amount"].InnerText) >= Convert.ToDouble(Amount))
{
node["Amount"].InnerText = "" + (Convert.ToDouble(node["Amount"].InnerText) - Convert.ToDouble(Amount));
xDoc.Save(file);
xDoc.Load(file4);
XmlNodeList nodes1 = xDoc.GetElementsByTagName("TransactionDetails");
foreach (XmlNode node1 in nodes1)
{
if (node1["Uname"].InnerText == UserName)
{
TransactionDetails td = new TransactionDetails(UserName, Amount, "Debit");
XmlElement newNode = xDoc.CreateElement("Transaction");
newNode.SetAttribute("Date", td.Date);
newNode.SetAttribute("Time", td.Time);
newNode.SetAttribute("Type", td.Type);
newNode.InnerText = td.Amount;
node1.AppendChild(newNode);
xDoc.Save(file4);
}
}
return(String.Format("Transaction Successfully Completed! <br />Current Balance: {0}", node["Amount"].InnerText));
}
else
{
return(String.Format("Not enough balance in your account! <br />Current Balance: {0}", node["Amount"].InnerText));
}
}
else
{
return("Invalid Data!");
}
}
}
return("Invalid Data!");
}
catch (FileNotFoundException) { return("Cannot process the transaction!"); }
catch (Exception) { return("Server Error!"); }
}
public string[] Registration(string fname, string lname, string email, string password, string amount)
{
try
{
string[] details = { fname, lname, email, password, amount };
CompleteDetails cd = new CompleteDetails(details);
LoginDetails ld = new LoginDetails(details);
AccountDetails ad = new AccountDetails(details);
string fLocation = Path.Combine(HttpRuntime.AppDomainAppPath, @"App_Data");
string file1 = Path.Combine(fLocation, "Registration.xml");
string file2 = Path.Combine(fLocation, "LoginInfo.xml");
XmlDocument xDocument = new XmlDocument();
xDocument.Load(file2);
XmlNodeList nodesX = xDocument.GetElementsByTagName("LoginDetails");
foreach (XmlNode nodeX in nodesX)
{
if (nodeX["Uname"].InnerText == email)
{
return(null);
}
}
string file3 = Path.Combine(fLocation, "AccountInfo.xml");
string file4 = Path.Combine(fLocation, "TransactionDetails.xml");
if (!File.Exists(file1))
{
StreamWriter sw = File.CreateText(file1);
sw.WriteLine("<root xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\">");
sw.Close();
sw = File.CreateText(file2);
sw.WriteLine("<root xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\">");
sw.Close();
sw = File.CreateText(file3);
sw.WriteLine("<root xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\">");
sw.Close();
sw = File.CreateText(file4);
sw.WriteLine("<root xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\">");
sw.Close();
}
else
{
List <string> lines = File.ReadAllLines(file1).ToList();
File.WriteAllLines(file1, lines.GetRange(0, lines.Count - 1).ToArray());
List <string> lines2 = File.ReadAllLines(file2).ToList();
File.WriteAllLines(file2, lines2.GetRange(0, lines2.Count - 1).ToArray());
List <string> lines3 = File.ReadAllLines(file3).ToList();
File.WriteAllLines(file3, lines3.GetRange(0, lines3.Count - 1).ToArray());
List <string> lines4 = File.ReadAllLines(file4).ToList();
File.WriteAllLines(file4, lines4.GetRange(0, lines4.Count - 1).ToArray());
}
using (StreamWriter sw = File.AppendText(file1))
{
sw.WriteLine(" <CompleteDetails>");
sw.WriteLine(String.Format(" <FirstName>{0}</FirstName>", cd.FirstName));
sw.WriteLine(String.Format(" <LastName>{0}</LastName>", cd.LastName));
sw.WriteLine(String.Format(" <Email>{0}</Email>", cd.Email));
sw.WriteLine(String.Format(" <Amount>{0}</Amount>", cd.initialAmount));
sw.WriteLine(" </CompleteDetails>");
sw.WriteLine("</root>");
sw.Close();
}
using (StreamWriter sw = File.AppendText(file2))
{
sw.WriteLine(" <LoginDetails>");
sw.WriteLine(String.Format(" <Uname>{0}</Uname>", ld.Email));
sw.WriteLine(String.Format(" <Password>{0}</Password>", ld.Password));
sw.WriteLine(" </LoginDetails>");
sw.WriteLine("</root>");
sw.Close();
}
using (StreamWriter sw = File.AppendText(file3))
{
sw.WriteLine(" <AccountDetails>");
sw.WriteLine(String.Format(" <Email>{0}</Email>", ad.Email));
sw.WriteLine(String.Format(" <CardNumber>{0}</CardNumber>", ad.CardNumber));
sw.WriteLine(String.Format(" <CVV>{0}</CVV>", ad.CVV));
sw.WriteLine(String.Format(" <ExpMonth>{0}</ExpMonth>", ad.ExpMonth));
sw.WriteLine(String.Format(" <ExpYear>{0}</ExpYear>", ad.ExpYear));
sw.WriteLine(String.Format(" <Amount>{0}</Amount>", ad.amount));
sw.WriteLine(" </AccountDetails>");
sw.WriteLine("</root>");
sw.Close();
}
using (StreamWriter sw = File.AppendText(file4))
{
sw.WriteLine(" <TransactionDetails>");
sw.WriteLine(String.Format(" <Uname>{0}</Uname>", ld.Email));
sw.WriteLine(" </TransactionDetails>");
sw.WriteLine("</root>");
sw.Close();
}
XmlDocument xDoc = new XmlDocument();
xDoc.Load(file4);
XmlNodeList nodes = xDoc.GetElementsByTagName("TransactionDetails");
foreach (XmlNode node in nodes)
{
if (node["Uname"].InnerText == cd.Email)
{
TransactionDetails td = new TransactionDetails(cd.Email, cd.initialAmount, "Credit");
XmlElement newNode = xDoc.CreateElement("Transaction");
newNode.SetAttribute("Date", td.Date);
newNode.SetAttribute("Time", td.Time);
newNode.SetAttribute("Type", td.Type);
newNode.InnerText = td.Amount;
node.AppendChild(newNode);
xDoc.Save(file4);
}
}
string[] result = { ad.CardNumber, ad.CVV, ad.ExpMonth, ad.ExpYear };
return(result);
}
catch (FileNotFoundException) { return(null); }
catch (Exception) { return(null); }
}
