public async Task ListReminders([NotNull] IUser user)
{
var items = _reminder.Get(user.Id).OrderBy(a => a.TriggerTime).ToArray();
await DisplayItemList(items,
async() => await ReplyAsync("No pending reminders"),
async i => {
await ReplyAsync("One pending reminder:");
await DisplayReminder(i);
},
async l => await ReplyAsync($"{l.Count} pending reminders:"),
async (n, _) => await DisplayReminder(n)
);
}
