public function markMissing(Trip $trip)
{
$bookings = Booking::where('trip_id', $trip->id)->whereNull('went')->get();
foreach ($bookings as $booking) {
$this->missed($booking);
}
}
public function cancelReservation(User $user, Trip $trip)
{
$now = new Carbon();
$departure = new Carbon($trip->leaves_at);
$reservation = Booking::where('user_id', $user->id)->where('trip_id', $trip->id)->first();
$reservationTime = new Carbon($reservation->created_at);
$percent = $now->diffInMinutes($reservationTime) / $departure->diffInMinutes($reservationTime);
$karma = round(1 + pow(pow(47, 1 / 3) * $percent, 3));
$user->karma = $user->karma - $karma;
$user->save();
}
