carom-server/billard/utils.py

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from datetime import datetime, date, time
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def get_prize_for(start, end, pph=0):
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"""
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calculate prize of billard table rental
:param start: start datetime of rental
:param end: end datetime of rental
:param pph: prize per hour of rental
:return: the calculated prize of rental
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"""
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pps = pph / 3600
time = (end - start).seconds
prize = round((pps * time), 1)
return prize
if __name__ == '__main__':
d = date(2017, 2, 5)
t = time(16, 00)
start = datetime.combine(d, t)
get_prize_for(start=start, pph=8.5)