The initial state. Tickets cannot be issued.
The last date in the list of dates has finished. Tickets can no longer be issued.
The first date in the list of dates has begun. Tickets can be issued, and used. Dates cannot longer be modified.
The event is now ready to be sold. Tickets can be issued, but not used. Capacity cannot be modified, but ticket's details can still be set.
An enum which represents the status of the event.