from django.db import models

def photo_filename(instance, filename):
    from slugify import slugify_filename

    return 'photo_uploads/' + slugify_filename(filename)

class Banner(models.Model):
    title = models.CharField(
        'Альтернативный текст', max_length=256, blank=False, null=False)
    image = models.ImageField('Баннер', upload_to=photo_filename)
    link = models.CharField(
        'Ссылка', max_length=1024, blank=False, null=False)
    is_active = models.BooleanField('Публиковать', default=True)

    def __str__(self):
        return self.title