Archived
73 lines
2.3 KiB
Python
73 lines
2.3 KiB
Python
from django.db import models
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from django.db.models import Q
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from django.utils.translation import ugettext_lazy as _
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from django_extensions.db.models import TimeStampedModel
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from datetime import date
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from django.utils.timezone import now
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class DateLimitedActivatorQuerySet(models.query.QuerySet):
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def get_date_query(self):
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today = date.today()
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return (
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Q(activate_date__lte=today, deactivate_date__isnull=True)
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| Q(activate_date__lte=today, deactivate_date__gte=today))
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def active(self):
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""" Returns active query set """
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return self.filter(status=Slide.ACTIVE_STATUS).filter(self.get_date_query())
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def inactive(self):
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""" Returns inactive query set """
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return self.filter(Q(status=Slide.INACTIVE_STATUS) | Q(~self.get_date_query()))
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class DateLimitedActivatorModelManager(models.Manager):
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def get_queryset(self):
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""" Use DateLimitedActivatorQuerySet for all results """
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return DateLimitedActivatorQuerySet(model=self.model, using=self._db)
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def active(self):
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return self.get_queryset().active()
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def inactive(self):
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return self.get_queryset().inactive()
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class Slide(TimeStampedModel, models.Model):
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"""Slide model"""
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INACTIVE_STATUS, ACTIVE_STATUS = range(2)
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STATUS_CHOICES = (
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(INACTIVE_STATUS, _('Inactive')),
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(ACTIVE_STATUS, _('Active')),
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)
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url = models.URLField(_('url'))
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title = models.CharField(_('title'), max_length=254, blank=True)
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activate_date = models.DateField(
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_('activate date'),
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blank=True,
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help_text=_('keep empty for an immediate activation'))
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deactivate_date = models.DateField(
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_('deactivate date'),
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blank=True,
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null=True,
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help_text=_('keep empty for indefinite activation'))
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order = models.PositiveIntegerField(_('order'), default=0)
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status = models.IntegerField(_('status'), choices=STATUS_CHOICES, default=ACTIVE_STATUS)
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objects = DateLimitedActivatorModelManager()
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# thumbnail = models.ImageField(blank=True, null=True)
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class Meta:
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ordering = ('order', 'status')
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def save(self, *args, **kwargs):
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if not self.activate_date:
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self.activate_date = now().date()
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super().save(*args, **kwargs)
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def __str__(self):
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return self.url
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