public static Account GetAccount(String ownerName, String PIN)
{
String record;
Account gotAccount = new Account();
_Account account = null;
var dbPath = gotAccount.DataBasePath;
using (var sr = new StreamReader(dbPath)) {
while ((record = sr.ReadLine()) != null)
{
account = JsonConvert.DeserializeObject <_Account>(record);
if (account.OwnerName == ownerName && account.Pin == PIN)
{
return(new Account()
{
Id = account.Id,
OwnerName = account.OwnerName,
Pin = account.Pin,
Balance = account.Balance,
CreatedOn = account.CreatedOn,
});
}
}
}
return(null);
}
public void SaveAsNewAccount()
{
var newOwner = this.OwnerName;
var newPin = this.Pin;
var exists = Account.GetAccount(newOwner, newPin);
if (exists != null)
{
throw new ApplicationException("Account already exists");
}
var toSave = new _Account()
{
Id = this.Id,
Pin = this.Pin, // need to encrypt
OwnerName = this.OwnerName,
Balance = this.Balance,
CreatedOn = DateTime.Now
};
string json = JsonConvert.SerializeObject(toSave);
Console.WriteLine($"Saved new account for: {newOwner}\n");
var dbPath = this.DataBasePath;
// save to file
using (StreamWriter accountDbFile = File.AppendText(dbPath)) {
accountDbFile.WriteLine(json);
}
}
private void UpdateBalance(float newBalance)
{
String record;
_Account account = null;
var dbPath = this.DataBasePath;
using (var sr = new StreamReader(dbPath)) {
while ((record = sr.ReadLine()) != null)
{
account = JsonConvert.DeserializeObject <_Account>(record);
if (account.Id == this.Id)
{
break;
}
}
}
account.Balance = newBalance;
var newRecord = JsonConvert.SerializeObject(account);
string text = File.ReadAllText(dbPath);
text = text.Replace(record, newRecord);
File.WriteAllText(dbPath, text);
}
