Source code for sandglass.models.activityperiod

from django.db import models
from django.utils.translation import ugettext_lazy as _


class ActivityPeriod(models.Model):
    """*Abstract* base model for objects which are **active for a certain
    period of time**.

    After the ``end`` date

    """
    active = models.BooleanField(
        verbose_name=_(u"active"), default=True, db_index=True,
        help_text=_(u"Active for new entries?"))
    active_from = models.DateField(
        verbose_name=_(u"active from"), blank=True, null=True, db_index=True)
    active_to = models.DateField(
        verbose_name=_(u"active to"), blank=True, null=True)

    class Meta:
        app_label = 'sandglass'
        abstract = True


__all__ = ('ActivityPeriod',)