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

class MetaDataModel(models.Model):
    """
    This is an abstract model with some general meta fields.

    Attributes
    ----------
    created_at : datetime
        The date and time when the model has been created. This will be automatically set once during creating.
    updated_at : datetime
        The date and time when the model has been updated. This will be automatically updated when the model is updated.
    """
    created_at = models.DateTimeField(_('Date created'),auto_now_add=True, help_text=_('The date and time this model has been created'))
    updated_at = models.DateTimeField(_('Date updated'),auto_now=True, help_text=_('The date and time this model has been updated'))

    class Meta:
        abstract = True