mybuddy/babybuddy/models.py

67 lines
2.2 KiB
Python

# -*- coding: utf-8 -*-
from django.contrib.auth.models import User
from django.db import models
from django.db.models.signals import post_save
from django.dispatch import receiver
from django.utils.timezone import timedelta
from django.utils.translation import gettext_lazy as _
from rest_framework.authtoken.models import Token
class Settings(models.Model):
user = models.OneToOneField(User, on_delete=models.CASCADE)
dashboard_refresh_rate = models.DurationField(
verbose_name=_('Refresh rate'),
help_text=_('This setting will only be used when a browser does not '
'support refresh on focus.'),
blank=True,
null=True,
default=timedelta(minutes=1),
choices=[
(None, _('disabled')),
(timedelta(minutes=1), _('1 min.')),
(timedelta(minutes=2), _('2 min.')),
(timedelta(minutes=3), _('3 min.')),
(timedelta(minutes=4), _('4 min.')),
(timedelta(minutes=5), _('5 min.')),
(timedelta(minutes=10), _('10 min.')),
(timedelta(minutes=15), _('15 min.')),
(timedelta(minutes=30), _('30 min.')),
])
def __str__(self):
return '{}\'s Settings'.format(self.user)
def api_key(self, reset=False):
"""
Get or create an API key for the associated user.
:param reset: If True, delete the existing key and create a new one.
:return: The user's API key.
"""
if reset:
Token.objects.get(user=self.user).delete()
return Token.objects.get_or_create(user=self.user)[0]
@property
def dashboard_refresh_rate_milliseconds(self):
"""
Convert seconds to milliseconds to be used in a Javascript setInterval
function call.
:return: the refresh rate in milliseconds or None.
"""
if self.dashboard_refresh_rate:
return self.dashboard_refresh_rate.seconds * 1000
return None
@receiver(post_save, sender=User)
def create_user_settings(sender, instance, created, **kwargs):
if created:
Settings.objects.create(user=instance)
@receiver(post_save, sender=User)
def save_user_settings(sender, instance, **kwargs):
instance.settings.save()