mirror of https://github.com/snachodog/mybuddy.git
47 lines
1.4 KiB
Python
47 lines
1.4 KiB
Python
# -*- coding: utf-8 -*-
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from __future__ import unicode_literals
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from django.utils import timezone
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def filter_by_params(request, model, available_params):
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queryset = model.objects.all()
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for param in available_params:
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value = request.query_params.get(param, None)
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if value is not None:
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queryset = queryset.filter(**{param: value})
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return queryset
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def duration_string(duration, precision='s'):
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"""Format hours, minutes and seconds as a human-friendly string (e.g. "2
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hours, 25 minutes, 31 seconds") with precision to h = hours, m = minutes or
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s = seconds.
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"""
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h, m, s = duration_parts(duration)
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duration = ''
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if h > 0:
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duration = '{} hour{}'.format(h, 's' if h > 1 else '')
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if m > 0 and precision != 'h':
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duration += '{}{} minute{}'.format(
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'' if duration is '' else ', ', m, 's' if m > 1 else '')
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if s > 0 and precision != 'h' and precision != 'm':
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duration += '{}{} second{}'.format(
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'' if duration is '' else ', ', s, 's' if s > 1 else '')
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return duration
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def duration_parts(duration):
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"""Get hours, minutes and seconds from a timedelta.
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"""
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if not isinstance(duration, timezone.timedelta):
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raise TypeError('Duration provided must be a timedetla')
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h, remainder = divmod(duration.seconds, 3600)
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h += duration.days * 24
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m, s = divmod(remainder, 60)
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return h, m, s
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