The app must show two new screens: the first one will show all the offers the user is interested in and the second one contains a list of the time slots assigned to him or accepted by him.
Per mostrare i timeslot che ho comprato dentro advertisement c'è il campo soldTo (appena l'advertisement viene comprato) in cui viene scritto l'uid dell'utente che l'ha acquistato
TODO:
Description from lab
The app must show two new screens: the first one will show all the offers the user is interested in and the second one contains a list of the time slots assigned to him or accepted by him.