// • AddTeamTo <eventName> <teamName>
public string Execute(string[] args)
{
Checker.CheckLength(2, args);
User currentUser = AuthenticationManager.GetCurrentUser();
string eventName = args[0];
string teamName = args[1];
if (!Checker.IsEventExisting(eventName))
{
throw new ArgumentException(string.Format(Constants.ErrorMessages.EventNotFound, eventName));
}
if (!Checker.IsTeamExisting(teamName))
{
throw new ArgumentException(string.Format(Constants.ErrorMessages.TeamNotFound, eventName));
}
if (!Checker.IsUserCreatorOfEvent(eventName, currentUser))
{
throw new InvalidOperationException(Constants.ErrorMessages.NotAllowed);
}
if (Checker.IsTeamAlreadyAddedToEvent(teamName, eventName))
{
throw new InvalidOperationException(Constants.ErrorMessages.CannotAddSameTeamTwice);
}
ContextHelper.AddTeamToEvent(teamName, eventName);
string result = string.Format(Constants.SuccessMessages.SuccessfullyAddedTeamToEvent, teamName, eventName);
return(result);
}