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Use absolute id model property

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This commit is contained in:
Mouse Reeve 2020-02-16 19:17:11 -08:00
parent 4eeb842350
commit 71027a1459
5 changed files with 27 additions and 19 deletions
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25
fedireads/models/book.py
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@ -1,9 +1,12 @@
''' 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(models.Model):
class Shelf(FedireadsModel):
name = models.CharField(max_length=100)
identifier = models.CharField(max_length=100)
user = models.ForeignKey('User', on_delete=models.PROTECT)
@ -14,14 +17,12 @@ class Shelf(models.Model):
through='ShelfBook',
through_fields=('shelf', 'book')
)
created_date = models.DateTimeField(auto_now_add=True)
updated_date = models.DateTimeField(auto_now=True)
class Meta:
unique_together = ('user', 'identifier')
class ShelfBook(models.Model):
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)
@ -31,13 +32,12 @@ class ShelfBook(models.Model):
null=True,
on_delete=models.PROTECT
)
created_date = models.DateTimeField(auto_now_add=True)
class Meta:
unique_together = ('book', 'shelf')
class Book(models.Model):
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()
@ -56,14 +56,17 @@ class Book(models.Model):
null=True,
on_delete=models.PROTECT
)
added_date = models.DateTimeField(auto_now_add=True)
updated_date = models.DateTimeField(auto_now=True)
@property
def absolute_id(self):
''' constructs the absolute reference to any db object '''
base_path = 'https://%s' % DOMAIN
model_name = self.__name__.lower()
return '%s/%s/%d' % (base_path, model_name, self.openlibrary_key)
class Author(models.Model):
class Author(FedireadsModel):
''' copy of an author from OL '''
openlibrary_key = models.CharField(max_length=255)
data = JSONField()
added_date = models.DateTimeField(auto_now_add=True)
updated_date = models.DateTimeField(auto_now=True)