forked from mirrors/bookwyrm
95 lines
3.1 KiB
Python
95 lines
3.1 KiB
Python
''' database schema for the whole dang thing '''
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from django.db import models
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from model_utils.managers import InheritanceManager
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from django.dispatch import receiver
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from django.contrib.auth.models import AbstractUser
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from django.contrib.postgres.fields import JSONField
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from django.core.exceptions import ValidationError
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from Crypto import Random
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from Crypto.PublicKey import RSA
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import re
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from fedireads.settings import DOMAIN, OL_URL
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class Shelf(models.Model):
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activitypub_id = models.CharField(max_length=255)
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identifier = models.CharField(max_length=255, unique=True)
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name = models.CharField(max_length=100)
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user = models.ForeignKey('User', on_delete=models.PROTECT)
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editable = models.BooleanField(default=True)
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shelf_type = models.CharField(default='custom', max_length=100)
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books = models.ManyToManyField(
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'Book',
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symmetrical=False,
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through='ShelfBook',
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through_fields=('shelf', 'book')
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)
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created_date = models.DateTimeField(auto_now_add=True)
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updated_date = models.DateTimeField(auto_now=True)
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class Meta:
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unique_together = ('user', 'name')
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def save(self, *args, **kwargs):
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if not self.identifier:
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self.identifier = '%s_%s' % (
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self.user.localname,
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re.sub(r'\W', '-', self.name).lower()
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)
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if not self.activitypub_id:
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self.activitypub_id = 'https://%s/shelf/%s' % \
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(DOMAIN, self.identifier)
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super().save(*args, **kwargs)
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class ShelfBook(models.Model):
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# many to many join table for books and shelves
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book = models.ForeignKey('Book', on_delete=models.PROTECT)
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shelf = models.ForeignKey('Shelf', on_delete=models.PROTECT)
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added_by = models.ForeignKey(
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'User',
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blank=True,
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null=True,
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on_delete=models.PROTECT
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)
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added_date = models.DateTimeField(auto_now_add=True)
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class Meta:
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unique_together = ('book', 'shelf')
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class Book(models.Model):
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''' a non-canonical copy of a work (not book) from open library '''
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activitypub_id = models.CharField(max_length=255)
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openlibrary_key = models.CharField(max_length=255, unique=True)
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data = JSONField()
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authors = models.ManyToManyField('Author')
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# TODO: also store cover thumbnail
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cover = models.ImageField(upload_to='covers/', blank=True, null=True)
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shelves = models.ManyToManyField(
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'Shelf',
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symmetrical=False,
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through='ShelfBook',
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through_fields=('book', 'shelf')
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)
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added_by = models.ForeignKey(
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'User',
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blank=True,
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null=True,
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on_delete=models.PROTECT
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)
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added_date = models.DateTimeField(auto_now_add=True)
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updated_date = models.DateTimeField(auto_now=True)
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def save(self, *args, **kwargs):
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self.activitypub_id = '%s%s' % (OL_URL, self.openlibrary_key)
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super().save(*args, **kwargs)
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class Author(models.Model):
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openlibrary_key = models.CharField(max_length=255)
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data = JSONField()
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added_date = models.DateTimeField(auto_now_add=True)
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updated_date = models.DateTimeField(auto_now=True)
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