public bool AddFavourite(int id)
{
string username = DBHandler.GetTempUsername(this);
bool check = DBHandler.GetFavourites().Exists(x => x.LocationId.Equals(id) && x.Username.Equals(username));
if (check)
{
Favourite oldFavourite = DBHandler.GetFavourites().FirstOrDefault((x => x.LocationId.Equals(id) && x.Username.Equals(username)));
DBHandler.RemoveFavourite(oldFavourite);
return(false);
}
else
{
Favourite newFavourite = new Favourite {
LocationId = id, Username = username
};
DBHandler.AddFavourite(newFavourite);
return(true);
}
}