# This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
# Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
#
+from django.contrib.auth.models import User
from django.contrib.contenttypes.models import ContentType
from django.db import models
from django.db.models.signals import pre_delete
content_type=content_type, object_id=instance.id, created_at=instance.created_at, category=category,
slug=instance.slug)
pre_delete.connect(_pre_delete_handler)
+
+
+class BookUserData(models.Model):
+ book = models.ForeignKey(Book)
+ user = models.ForeignKey(User)
+ complete = models.BooleanField(default=False)
+ last_changed = models.DateTimeField(auto_now=True)
+
+ @property
+ def state(self):
+ return 'complete' if self.complete else 'reading'
+
+ @classmethod
+ def update(cls, book, user, state):
+ instance, created = cls.objects.get_or_create(book=book, user=user)
+ instance.complete = state == 'complete'
+ instance.save()
+ return instance