def test_hour_conversion(self):
self.assertEqual(1, timedelta_to_hours(timezone.timedelta(hours=1)))
self.assertEqual(1.25,
timedelta_to_hours(timezone.timedelta(minutes=75)))
self.assertEqual(0.05,
timedelta_to_hours(timezone.timedelta(seconds=180)))
self.assertEqual(
28.25,
timedelta_to_hours(
timezone.timedelta(days=1, hours=3, minutes=60, seconds=900)))
def valid_time(start_time, end_time, machine_type):
# Normal non rule ignoring reservations will not be longer than 1 week
if timedelta_to_hours(end_time - start_time) > 168:
return False
rules = [
rule for rule in ReservationRule.objects.filter(
machine_type=machine_type)
if rule.hours_inside(start_time, end_time)
]
if timedelta_to_hours(end_time - start_time) > max(rule.max_hours
for rule in rules):
return False
return all(
rule.valid_time_in_rule(start_time, end_time,
len(rules) > 1) for rule in rules)
def valid_time(start_time, end_time, machine_type):
# Normal non rule ignoring reservations will not be longer than 1 week
if timedelta_to_hours(end_time - start_time) > (7 * 24):
return False
rules = [
rule for rule in machine_type.reservation_rules.all()
if rule.hours_inside(start_time, end_time)
]
if timedelta_to_hours(end_time - start_time) > max(rule.max_hours
for rule in rules):
return False
if timedelta_to_hours(end_time - start_time) <= min(rule.max_hours
for rule in rules):
return True
return all(
rule.valid_time_in_rule(start_time, end_time,
len(rules) > 1) for rule in rules)
def format_period(machine, start_time, end_time):
"""
Formats a time period for the context
"""
return {
"machine": machine,
"start_time": start_time,
"end_time": end_time,
"duration": ceil(timedelta_to_hours(end_time - start_time)),
}
def get_periods(self, machine, required_time):
"""
Finds all future periods for the given machine with a minimum length
:param machine: The machine to get periods for
:param required_time: The minimum required time for the period
:return: A list of periods
"""
periods = []
reservations = list(
Reservation.objects.filter(
end_time__gte=timezone.now(),
machine__pk=machine.pk).order_by("start_time"))
# Find all periods between reservations
for period_start, period_end in zip(reservations, reservations[1:]):
duration = timedelta_to_hours(
period_end.start_time - period_start.end_time)
if duration >= required_time:
periods.append(
self.format_period(
machine,
period_start.end_time,
period_end.start_time))
# Add remaining time after last reservation
if reservations:
periods.append(self.format_period(
machine, reservations[-1].end_time,
timezone.now() + timezone.timedelta(days=Reservation.reservation_future_limit_days)))
# If the machine is not reserved anytime in the future, we include the
# whole allowed period
else:
periods.append(
self.format_period(
machine,
timezone.now(),
timezone.now() +
timezone.timedelta(
days=Reservation.reservation_future_limit_days)))
return periods
def valid_time_in_rule(self, start_time, end_time, border_cross):
if border_cross:
return self.hours_inside(
start_time, end_time) <= self.max_inside_border_crossed
return timedelta_to_hours(end_time - start_time) <= self.max_hours
