partial void OnPaymentCodeChanged()
{
if (!string.IsNullOrEmpty(_PaymentCode))
{
_PaymentCode = PaymentCode.TextEncode();
}
}
/// <summary>
/// Generate a payment code by CarPass rules
/// [1-9][00-99][0000-9999][0-9]
/// Era Gen Random Mod11
/// where the random part is garanteed not consecutive for any couple of calls
/// </summary>
/// <returns></returns>
public static string NextPaymentCode(TransactionModelContainer container)
{
PaymentCode code = container.PaymentCodes.FirstOrDefault(pc => !pc.IsUsed);
if (code == null)
{
throw new ApplicationException("NO_MORE_PAYMENT_CODE_AVAILABLE");
}
code.IsUsed = true;
return(code.Code);
}
public override int SaveChanges(SaveOptions options)
{
foreach (ObjectStateEntry entry in
ObjectStateManager.GetObjectStateEntries(
EntityState.Added | EntityState.Modified))
{
if (entry.Entity is Configuration)
{
ValidateConfigurationAggregate((Configuration)entry.Entity);
}
else if (entry.Entity is Payment)
{
ValidatePaymentAggregate((Payment)entry.Entity);
if (entry.State == EntityState.Added)
{
Payment payment = (Payment)entry.Entity;
payment.PaymentCode = PaymentCode.NextPaymentCode(this);
}
}
}
return(base.SaveChanges(options));
}
/// <summary>
/// Deprecated Method for adding a new object to the PaymentCodes EntitySet. Consider using the .Add method of the associated ObjectSet<T> property instead.
/// </summary>
public void AddToPaymentCodes(PaymentCode paymentCode)
{
base.AddObject("PaymentCodes", paymentCode);
}
/// <summary>
/// Create a new PaymentCode object.
/// </summary>
/// <param name="id">Initial value of the Id property.</param>
/// <param name="code">Initial value of the Code property.</param>
/// <param name="isUsed">Initial value of the IsUsed property.</param>
/// <param name="version">Initial value of the Version property.</param>
public static PaymentCode CreatePaymentCode(global::System.Int32 id, global::System.String code, global::System.Boolean isUsed, global::System.Byte[] version)
{
PaymentCode paymentCode = new PaymentCode();
paymentCode.Id = id;
paymentCode.Code = code;
paymentCode.IsUsed = isUsed;
paymentCode.Version = version;
return paymentCode;
}