def makeReservation(self, car_id, start, end):
"""Make a car reservation given a car_id, start and end dates only if
given car is available or if given range does not overlap with existing resevations
for that car.
"""
# check that there is car availability for the given range
# or the given range does not overlap with other reservations
requested_car = Car.objects.get(pk=car_id)
print(requested_car.model)
if requested_car is None:
raise ValueError('the %i id is not valid' % car_id)
reservation = CarReservation()
# check if dates overlap with existing reservations when there is no avail
other_reservations_overlapping = CarReservation.objects.filter(car_id=car_id). \
filter(Q(start_date__range=[start, end]) | Q(end_date__range=[start, end]))
if other_reservations_overlapping and requested_car.avail == 0:
return None
# %z is supported in Python 3.2+ but not in 2.7, so hardcoding +00:00
reservation.start_date = datetime.datetime.strptime(start, "%Y-%m-%d %H:%M:%S+00:00")
reservation.end_date = datetime.datetime.strptime(end, "%Y-%m-%d %H:%M:%S+00:00")
reservation.car = requested_car
reservation.save()
# TIM NOTE: The field below is being used incorrectly.
# Please see carrental/models/Car.py for the explanation.
requested_car.avail -= 1
requested_car.save()
return reservation
def makeReservation(self, car_id, start, end):
# check that there is car availability for the given range
# or the given range does not overlap with other reservations
requested_car = Car.objects.get(pk=car_id)
print(requested_car.model)
if requested_car is None:
raise ValueError("the %i id is not valid" % car_id)
reservation = CarReservation()
# check if dates overlap with existing reservations when there is no avail
other_reservations_overlapping = CarReservation.objects.filter(car=car_id).filter(
Q(start_date__range=[start, end]) | Q(end_date__range=[start, end])
)
if other_reservations_overlapping and requested_car.avail == 0:
return None
#%z is supported in Python 3.2+ but not in 2.7, so hardcoding +00:00
reservation.start_date = datetime.datetime.strptime(start, "%Y-%m-%d %H:%M:%S+00:00")
reservation.end_date = datetime.datetime.strptime(end, "%Y-%m-%d %H:%M:%S+00:00")
reservation.car = requested_car
reservation.save()
requested_car.avail -= 1
requested_car.save()
return reservation