muistox/gallery/models/album.py

from datetime import datetime

from django.db import models
from django.urls import reverse
from django.utils.text import slugify

from gallery.models.location import Location


class Album(models.Model):
    name = models.CharField(max_length=150, unique=True, verbose_name="Album")
    slug = models.SlugField(max_length=150, unique=True, verbose_name="Slug")
    location = models.ForeignKey(Location, blank=True, null=True, on_delete=models.SET_NULL, related_name='albums', verbose_name="Location")
    album_date = models.DateField(default=datetime.now, verbose_name="Album Date")
    cover = models.ImageField(upload_to="covers/", blank=True, null=True, verbose_name="Album Cover")
    is_public = models.BooleanField(default=False, verbose_name="Published")

    @property
    def photos_in_album(self):
        return self.photos.count()

    def save(self, *args, **kwargs):
        if not self.slug:
            self.slug = slugify(self.name)
        super(Album, self).save(*args, **kwargs)

    def get_absolute_url(self):
        return reverse('gallery:album_url', kwargs={'album_slug': self.slug})

    class Meta:
        verbose_name_plural = "Albums"

    def __str__(self):
        return '{}'.format(self.name)