def duty_beyond_nine_hours(shift):
twelve_hours_duty = TimeSheet.get_shift_start(shift) + timedelta(
hours=12)
nine_hours_duty = TimeSheet.get_shift_start(shift) + timedelta(hours=9)
break_start = TimeSheet.get_break_start(shift)
break_end = TimeSheet.get_break_end(shift)
# break STARTS and ENDS AFTER 9hrs and BEFORE 12hrs
if (break_start > nine_hours_duty and
break_end > nine_hours_duty) and break_end < twelve_hours_duty:
duty_beyond_nine_hours = TimeSheet.get_break_end(
shift) - nine_hours_duty
return duty_beyond_nine_hours
# break STARTS AFTER 9hrs and ENDS AFTER 12hrs
elif break_start > nine_hours_duty and break_end > twelve_hours_duty:
duty_beyond_nine_hours = TimeSheet.get_break_start(
shift) - nine_hours_duty
return duty_beyond_nine_hours
# break STARTS BEFORE 9hrs and ENDS AFTER 9hrs duty
elif break_start < nine_hours_duty < break_end < twelve_hours_duty:
duty_beyond_nine_hours = TimeSheet.get_break_end(
shift) - nine_hours_duty
return duty_beyond_nine_hours
else: # if no break between 9hrs and 12hrs duty, use the full 3hrs
duty_beyond_nine_hours = timedelta(hours=3)
return duty_beyond_nine_hours
def hours_after_six_and_less_than_nine(shift):
six_pm = TimeSheet.get_shift_end(shift).replace(hour=18, minute=0)
duty_beyond_twelve = Weekday.duty_beyond_twelve_hours(shift)
duty_beyond_nine = Weekday.duty_beyond_nine_hours(shift)
overtime_duty = duty_beyond_twelve + duty_beyond_nine
duty_remainder = TimeSheet.get_shift_length(shift) - overtime_duty
start_plus_remainder = TimeSheet.get_shift_start(
shift) + duty_remainder
break_start = TimeSheet.get_break_start(shift)
break_end = TimeSheet.get_break_end(shift)
if TimeSheet.get_shift_start(shift) + duty_remainder > six_pm:
if break_start and break_end < six_pm: # break STARTS and ENDS BEFORE 6pm
hours_after_six_pm = (start_plus_remainder - six_pm
) - TimeSheet.get_break_duration(shift)
return hours_after_six_pm
elif break_start < six_pm < break_end: # break STARTS BEFORE and ENDS AFTER 6pm
break_after_six_pm = TimeSheet.get_break_end(shift) - six_pm
hours_after_six_pm = (start_plus_remainder -
six_pm) - break_after_six_pm
return hours_after_six_pm
else: # no break spanning AFTER 6pm
hours_after_six_pm = timedelta(hours=0, minutes=0)
return hours_after_six_pm
else: # no break within the reminder of duty up to 9hrs
hours_after_six_pm = timedelta(hours=0, minutes=0)
return hours_after_six_pm
def hours_before_six_and_less_than_nine(shift):
six_pm = TimeSheet.get_shift_end(shift).replace(hour=18, minute=0)
break_start = TimeSheet.get_break_start(shift)
break_end = TimeSheet.get_break_end(shift)
# shifts where 6pm comes BEFORE 9 hours duty
if (TimeSheet.get_shift_start(shift) + timedelta(hours=9)) > TimeSheet.get_shift_end(shift) \
.replace(hour=18, minute=0) < TimeSheet.get_shift_end(shift).replace(hour=12, minute=0):
if break_start and break_end < six_pm: # break STARTS and ENDS BEFORE 6pm
hours_before_six_pm = (
TimeSheet.get_shift_start(shift) +
six_pm) - TimeSheet.get_break_duration(shift)
return hours_before_six_pm
elif break_start < six_pm < break_end: # break STARTS BEFORE and ENDS AFTER 6pm
break_before_six_pm = six_pm - TimeSheet.get_break_start(shift)
hours_before_six_pm = (
six_pm -
TimeSheet.get_shift_start(shift)) - break_before_six_pm
return hours_before_six_pm
else: # no break spanning BEFORE 6pm
hours_before_six_pm = TimeSheet.get_shift_end(shift).replace(hour=18, minute=0) - \
TimeSheet.get_shift_start(shift)
return hours_before_six_pm
else: # no break BEFORE 6pm up to 9hrs
hours_before_six_pm = TimeSheet.get_shift_end(shift).replace(hour=18, minute=0) - \
TimeSheet.get_shift_start(shift)
return hours_before_six_pm
def duty_beyond_twelve_hours(shift):
twelve_hours_duty = TimeSheet.get_shift_start(shift) + timedelta(
hours=12)
break_start = TimeSheet.get_break_start(shift)
break_end = TimeSheet.get_break_end(shift)
# break STARTS and ENDS AFTER 12hrs duty
if break_start and break_end > twelve_hours_duty:
duty_beyond_twelve_hours = (TimeSheet.get_shift_length(shift) - timedelta(hours=12)) - \
TimeSheet.get_break_duration(shift)
return duty_beyond_twelve_hours
# break STARTS BEFORE and ENDS AFTER 12hrs duty
elif break_start < twelve_hours_duty < break_end:
duty_beyond_twelve_hours = TimeSheet.get_break_end(shift) - \
(TimeSheet.get_shift_start(shift) + timedelta(hours=12))
return duty_beyond_twelve_hours
else: # no break spanning AFTER 12hrs
duty_beyond_twelve_hours = TimeSheet.get_shift_length(
shift) - timedelta(hours=12)
return duty_beyond_twelve_hours
