1 ##############################################################################
2 # Copyright (c) 2018 Parker Berberian, Sawyer Bergeron, and others.
4 # All rights reserved. This program and the accompanying materials
5 # are made available under the terms of the Apache License, Version 2.0
6 # which accompanies this distribution, and is available at
7 # http://www.apache.org/licenses/LICENSE-2.0
8 ##############################################################################
9 from booking.models import Booking
14 class StatisticsManager(object):
17 def getContinuousBookingTimeSeries(span=28):
19 Will return a dictionary of names and 2-D array of x and y data points.
20 e.g. {"plot1": [["x1", "x2", "x3"],["y1", "y2", "y3]]}
21 x values will be dates in string
22 every change (booking start / end) will be reflected, instead of one data point per day
23 y values are the integer number of bookings/users active at some point in the given date
24 span is the number of days to plot. The last x value will always be the current time
30 now = datetime.datetime.now(pytz.utc)
31 delta = datetime.timedelta(days=span)
33 bookings = Booking.objects.filter(start__lte=now, end__gte=end)
34 for booking in bookings:
35 x_set.add(booking.start)
37 x_set.add(booking.end)
43 x_list.sort(reverse=True)
46 active = Booking.objects.filter(start__lte=time, end__gt=time)
47 booking_count = len(active)
49 for booking in active:
50 users_set.add(booking.owner)
51 for user in booking.collaborators.all():
53 y.append(booking_count)
54 users.append(len(users_set))
56 return {"booking": [x, y], "user": [x, users]}