Created
May 11, 2018 03:51
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does overbooking validation
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| def validate_reservation_booking(initial_day, final_day, ship_object): | |
| """does reservation avoiding overbooking""" | |
| response = False | |
| message = [] | |
| now_time = date.today() | |
| # initial is less than final | |
| if final_day < initial_day: | |
| message.append('La fecha final no puede ser menor a la fecha inicial, por favor modifica las fechas de tu reserva.') | |
| return response, ','.join(message) | |
| # initial and final are in the future | |
| if final_day < now_time or initial_day < now_time: | |
| message.append('No es posible reservar en una fecha pasada, por favor modifica las fechas de tu reserva.') | |
| return response, ','.join(message) | |
| # for all reservations, check new one is not inside them or contain them | |
| overbooking = False | |
| # get all reservations that end in future from now | |
| reservations = Reservation.objects.filter(end_day__gt=now_time, product=ship_object) | |
| for item in reservations: | |
| if (initial_day < final_day < item.start_day) or (item.end_day < initial_day < final_day): | |
| pass | |
| else: | |
| overbooking = True | |
| message.append('Hay una reserva de: <<{0.start_day}>> al <<{0.end_day}>>'.format(item)) | |
| break | |
| # if overbooking, dont accept add the reservation | |
| if not overbooking: | |
| message.append('not overbooking') | |
| response = True | |
| else: | |
| message.append('overbooking, por favor modifica las fechas de tu reserva.') | |
| print(message) | |
| return response, ','.join(message) |
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