mybuddy/core/utils.py

53 lines
1.5 KiB
Python

# -*- coding: utf-8 -*-
from __future__ import unicode_literals
from django.utils import timezone
def filter_by_params(request, model, available_params):
queryset = model.objects.all()
for param in available_params:
value = request.query_params.get(param, None)
if value is not None:
queryset = queryset.filter(**{param: value})
return queryset
def timer_stop(timer_id, end=None):
"""Stop a timer instance by setting it's end field."""
if not end:
end = timezone.now()
from .models import Timer
timer_instance = Timer.objects.get(id=timer_id)
timer_instance.end = end
timer_instance.save()
def duration_string(duration):
"""Format hours, minutes and seconds in a human-friendly way (e.g. "2
hours, 25 minutes, 31 seconds")"""
h, m, s = duration_parts(duration)
duration = ''
if h > 0:
duration = '{} hour{}'.format(h, 's' if h > 1 else '')
if m > 0:
duration += '{}{} minute{}'.format(
'' if duration is '' else ', ', m, 's' if m > 1 else '')
if s > 0:
duration += '{}{} second{}'.format(
'' if duration is '' else ', ', s, 's' if s > 1 else '')
return duration
def duration_parts(duration):
"""Get hours, minutes and seconds from a timedelta."""
if not isinstance(duration, timezone.timedelta):
raise TypeError('Duration provided must be a timedetla')
h, remainder = divmod(duration.seconds, 3600)
h += duration.days * 24
m, s = divmod(remainder, 60)
return h, m, s