74 lines
2.7 KiB
Python
74 lines
2.7 KiB
Python
from datetime import datetime, date, time, timedelta
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def get_prize_for(start, end, pph=0, hh_start=None, hh_end=None, pphh=0):
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"""
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calculate prize of billard table rental
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:param start: start datetime of rental
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:param end: end datetime of rental
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:param pph: prize per hour of rental
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:param hh_start: start of happy hour
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:param hh_end: end of happy hour
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:param pphh: prize per hour in happy hour
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:return: the calculated prize of rental
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"""
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if end <= start:
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raise ValueError('end date must be after start date')
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prize = 0
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prize_normal = 0
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prize_hh = 0
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if hh_start is not None and hh_end is not None and pphh is not None:
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d = start.date()
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t = start.time()
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end_date = end.date()
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end_time = end.time()
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while True:
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if t < hh_start:
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if end_time < hh_start and d == end_date:
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p = calculate_prize_for(start=t, end=end_time, pph=pph)
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prize += p
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prize_normal += p
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break
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else:
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p += calculate_prize_for(start=t, end=hh_start, pph=pph)
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prize += p
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prize_normal += p
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t = hh_start
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elif hh_start <= t < hh_end:
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if end_time < hh_end and d == end_date:
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p += calculate_prize_for(start=t, end=end_time, pph=pphh)
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prize += p
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prize_hh += p
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break
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else:
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p += calculate_prize_for(start=t, end=hh_end, pph=pphh)
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prize += p
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prize_hh += p
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t = hh_end
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else:
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if d == end_date:
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p += calculate_prize_for(start=t, end=end_time, pph=pph)
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prize += p
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prize_normal += p
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break
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else:
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p += calculate_prize_for(start=t, end=datetime.strptime('23:59:59', '%H:%M:%S').time(), pph=pph)
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prize += p
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prize_normal += p
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t = datetime.strptime('00:00:00', '%H:%M:%S').time()
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d = (datetime.combine(d, t) + timedelta(days=1)).date()
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else:
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prize = calculate_prize_for(start=start, end=end, pph=pph)
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return prize, prize_normal, prize_hh
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def calculate_prize_for(start, end, pph=0):
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pps = pph / 3600
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d = date.today()
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if isinstance(start, datetime):
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seconds = (end - start).seconds
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else:
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seconds = (datetime.combine(d, end) - datetime.combine(d, start)).seconds
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return round((pps * seconds), 1)
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