mirror of
https://github.com/bookwyrm-social/bookwyrm.git
synced 2024-12-23 00:26:33 +00:00
79 lines
2.3 KiB
Python
79 lines
2.3 KiB
Python
''' database schema for books and shelves '''
|
|
from django.db import models
|
|
|
|
from fedireads.settings import DOMAIN
|
|
from fedireads.utils.fields import JSONField
|
|
from fedireads.utils.models import FedireadsModel
|
|
|
|
|
|
class Shelf(FedireadsModel):
|
|
name = models.CharField(max_length=100)
|
|
identifier = models.CharField(max_length=100)
|
|
user = models.ForeignKey('User', on_delete=models.PROTECT)
|
|
editable = models.BooleanField(default=True)
|
|
books = models.ManyToManyField(
|
|
'Book',
|
|
symmetrical=False,
|
|
through='ShelfBook',
|
|
through_fields=('shelf', 'book')
|
|
)
|
|
|
|
@property
|
|
def absolute_id(self):
|
|
''' use shelf identifier as absolute id '''
|
|
base_path = self.user.absolute_id
|
|
model_name = type(self).__name__.lower()
|
|
return '%s/%s/%s' % (base_path, model_name, self.identifier)
|
|
|
|
class Meta:
|
|
unique_together = ('user', 'identifier')
|
|
|
|
|
|
class ShelfBook(FedireadsModel):
|
|
# many to many join table for books and shelves
|
|
book = models.ForeignKey('Book', on_delete=models.PROTECT)
|
|
shelf = models.ForeignKey('Shelf', on_delete=models.PROTECT)
|
|
added_by = models.ForeignKey(
|
|
'User',
|
|
blank=True,
|
|
null=True,
|
|
on_delete=models.PROTECT
|
|
)
|
|
|
|
class Meta:
|
|
unique_together = ('book', 'shelf')
|
|
|
|
|
|
class Book(FedireadsModel):
|
|
''' a non-canonical copy of a work (not book) from open library '''
|
|
openlibrary_key = models.CharField(max_length=255, unique=True)
|
|
data = JSONField()
|
|
authors = models.ManyToManyField('Author')
|
|
# TODO: also store cover thumbnail
|
|
cover = models.ImageField(upload_to='covers/', blank=True, null=True)
|
|
shelves = models.ManyToManyField(
|
|
'Shelf',
|
|
symmetrical=False,
|
|
through='ShelfBook',
|
|
through_fields=('book', 'shelf')
|
|
)
|
|
added_by = models.ForeignKey(
|
|
'User',
|
|
blank=True,
|
|
null=True,
|
|
on_delete=models.PROTECT
|
|
)
|
|
|
|
@property
|
|
def absolute_id(self):
|
|
''' constructs the absolute reference to any db object '''
|
|
base_path = 'https://%s' % DOMAIN
|
|
model_name = type(self).__name__.lower()
|
|
return '%s/%s/%s' % (base_path, model_name, self.openlibrary_key)
|
|
|
|
|
|
class Author(FedireadsModel):
|
|
''' copy of an author from OL '''
|
|
openlibrary_key = models.CharField(max_length=255)
|
|
data = JSONField()
|
|
|