public int CompareTo(Ticket otherTicket)
{
int compareToResult = this.DateAndTime.CompareTo(otherTicket.DateAndTime);
if (compareToResult == 0)
{
compareToResult = this.Type.CompareTo(otherTicket.Type);
}
if (compareToResult == 0)
{
compareToResult = this.Price.CompareTo(otherTicket.Price);
}
return compareToResult;
}
private string DeleteTicket(Ticket ticket)
{
string key = ticket.UniqueKey;
if (this.ticketesByUniqueKey.ContainsKey(key))
{
ticket = this.ticketesByUniqueKey[key];
this.ticketesByUniqueKey.Remove(key);
string fromToKey = ticket.FromToKey;
this.ticketsByFromToKey.Remove(fromToKey, ticket);
this.ticketsByDate.Remove(ticket.DateAndTime, ticket);
return "Ticket deleted";
}
else
{
return "Ticket does not exist";
}
}
private string AddTicket(Ticket ticket)
{
string key = ticket.UniqueKey;
if (this.ticketesByUniqueKey.ContainsKey(key))
{
return "Duplicate ticket";
}
else
{
this.ticketesByUniqueKey.Add(key, ticket);
string fromToKey = ticket.FromToKey;
this.ticketsByFromToKey.Add(fromToKey, ticket);
this.ticketsByDate.Add(ticket.DateAndTime, ticket);
return "Ticket added";
}
}