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carom/carom-doc#8

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Calculate prize using normal and happy hour prize
This commit is contained in:
Robert Einsle 2017-02-25 20:02:48 +01:00
parent 6d16a473bf
commit fa00563195
3 changed files with 67 additions and 8 deletions
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16
billard/models.py
View File

@ -71,10 +71,19 @@ class Desk(models.Model):
def accounting_for(self):
t = Accounting.objects.filter(client=self.client, desk_no=self.desk_no)[:3][::-1]
client = self.client
location = client.location
if t.__len__() > 0:
a = t[t.__len__() - 1]
if a.time_to is None:
prize = utils.get_prize_for(start=a.time_from, end=datetime.now(timezone.utc), pph=self.prize)
prize = utils.get_prize_for(
start=a.time_from,
end=datetime.now(timezone.utc),
pph=self.prize,
hh_start=location.happy_hour_start,
hh_end=location.happy_hour_end,
pphh=self.prize_hh,
)
if prize != a.prize:
a.prize = prize
return t
@ -148,7 +157,10 @@ def process_location_data():
acc.prize = utils.get_prize_for(
start=acc.time_from,
end=ld.tst,
pph=desk.prize
pph=desk.prize,
hh_start=cli.location.happy_hour_start,
hh_end=cli.location.happy_hour_end,
pphh=desk.prize_hh,
)
acc.save()
ld.delete()

9
billard/templatetags/display_client.py
View File

@ -21,7 +21,14 @@ def display_client(client, desk_no):
a = acc[-1]
if a.time_to is None:
alert = 'alert-info'
prize = utils.get_prize_for(start=a.time_from, end=datetime.now(), pph=desk.prize)
prize = utils.get_prize_for(
start=a.time_from,
end=datetime.now(),
pph=desk.prize,
hh_start=desk.client.location.happy_hour_start,
hh_end=desk.client.location.happy_hour_end,
pphh=desk.prize_hh,
)
prize = '{0:.2f}'.format(prize)
if prize != a.prize:
a.prize = prize

50
billard/utils.py
View File

@ -1,16 +1,56 @@
from datetime import datetime
from datetime import datetime, date, time, timedelta
def get_prize_for(start, end, pph=0):
def get_prize_for(start, end, pph=0, hh_start=None, hh_end=None, pphh=0):
"""
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
:param hh_start: start of happy hour
:param hh_end: end of happy hour
:param pphh: prize per hour in happy hour
:return: the calculated prize of rental
"""
pps = pph / 3600
time = (end - start).seconds
prize = round((pps * time), 1)
if end <= start:
raise ValueError('end date must be after start date')
prize = 0
if hh_start is not None and hh_end is not None:
d = start.date()
t = start.time()
end_date = end.date()
end_time = end.time()
while True:
if t < hh_start:
if end_time < hh_start and d == end_date:
prize += calculate_prize_for(start=t, end=end_time, pph=pph)
break
else:
prize += calculate_prize_for(start=t, end=hh_start, pph=pph)
t = hh_start
elif hh_start <= t < hh_end:
if end_time < hh_end and d == end_date:
prize += calculate_prize_for(start=t, end=end_time, pph=pphh)
break
else:
prize += calculate_prize_for(start=t, end=hh_end, pph=pphh)
t = hh_end
else:
if d == end_date:
prize += calculate_prize_for(start=t, end=end_time, pph=pph)
break
else:
prize += calculate_prize_for(start=t, end=datetime.strptime('23:59:59', '%H:%M:%S').time(), pph=pph)
t = datetime.strptime('00:00:00', '%H:%M:%S').time()
d = (datetime.combine(d, t) + timedelta(days=1)).date()
else:
prize = calculate_prize_for(start=start, end=end, pph=pph)
return prize
def calculate_prize_for(start, end, pph=0):
pps = pph / 3600
d = date.today()
t = (datetime.combine(d, end) - datetime.combine(d, start)).seconds
return round((pps * t), 1)