move things into different files

fedireads/models/book.py

@@ -0,0 +1,94 @@
+''' database schema for the whole dang thing '''
+from django.db import models
+from model_utils.managers import InheritanceManager
+from django.dispatch import receiver
+from django.contrib.auth.models import AbstractUser
+from django.contrib.postgres.fields import JSONField
+from django.core.exceptions import ValidationError
+from Crypto import Random
+from Crypto.PublicKey import RSA
+import re
+
+from fedireads.settings import DOMAIN, OL_URL
+
+class Shelf(models.Model):
+    activitypub_id = models.CharField(max_length=255)
+    identifier = models.CharField(max_length=255, unique=True)
+    name = models.CharField(max_length=100)
+    user = models.ForeignKey('User', on_delete=models.PROTECT)
+    editable = models.BooleanField(default=True)
+    shelf_type = models.CharField(default='custom', max_length=100)
+    books = models.ManyToManyField(
+        'Book',
+        symmetrical=False,
+        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', 'name')
+
+    def save(self, *args, **kwargs):
+        if not self.identifier:
+            self.identifier = '%s_%s' % (
+                self.user.localname,
+                re.sub(r'\W', '-', self.name).lower()
+            )
+        if not self.activitypub_id:
+            self.activitypub_id = 'https://%s/shelf/%s' % \
+                    (DOMAIN, self.identifier)
+        super().save(*args, **kwargs)
+
+
+class ShelfBook(models.Model):
+    # 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
+    )
+    added_date = models.DateTimeField(auto_now_add=True)
+
+    class Meta:
+        unique_together = ('book', 'shelf')
+
+
+class Book(models.Model):
+    ''' a non-canonical copy of a work (not book) from open library '''
+    activitypub_id = models.CharField(max_length=255)
+    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
+    )
+    added_date = models.DateTimeField(auto_now_add=True)
+    updated_date = models.DateTimeField(auto_now=True)
+
+    def save(self, *args, **kwargs):
+        self.activitypub_id = '%s%s' % (OL_URL, self.openlibrary_key)
+        super().save(*args, **kwargs)
+
+
+class Author(models.Model):
+    openlibrary_key = models.CharField(max_length=255)
+    data = JSONField()
+    added_date = models.DateTimeField(auto_now_add=True)
+    updated_date = models.DateTimeField(auto_now=True)
+