mirror of
https://github.com/bookwyrm-social/bookwyrm.git
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113 lines
3.9 KiB
Python
113 lines
3.9 KiB
Python
''' database schema for the whole dang thing '''
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from django.db import models
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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 Crypto.PublicKey import RSA
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from Crypto import Random
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from datetime import datetime
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class User(AbstractUser):
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''' a user who wants to read books '''
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private_key = models.CharField(max_length=255)
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public_key = models.CharField(max_length=255)
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api_key = models.CharField(max_length=255, blank=True, null=True)
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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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followers = models.ManyToManyField('self', symmetrical=False)
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def save(self, *args, **kwargs):
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# give a new user keys
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if not self.private_key:
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random_generator = Random.new().read
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key = RSA.generate(1024, random_generator)
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self.private_key = key
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self.public_key = key.publickey()
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if not self.id:
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self.created_date = datetime.now()
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self.updated_date = datetime.now()
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super().save(*args, **kwargs)
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@receiver(models.signals.post_save, sender=User)
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def execute_after_save(sender, instance, created, *args, **kwargs):
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if not created:
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return
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shelves = [{
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'name': 'To Read',
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'type': 'to-read',
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}, {
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'name': 'Currently Reading',
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'type': 'reading',
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}, {
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'name': 'Read',
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'type': 'read',
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}]
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for shelf in shelves:
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Shelf(name=shelf['name'], shelf_type=shelf['type'], user=instance, editable=False).save()
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class Message(models.Model):
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''' any kind of user post, incl. reviews, replies, and status updates '''
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author = models.ForeignKey('User', on_delete=models.PROTECT)
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name = models.CharField(max_length=255)
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content = JSONField(max_length=5000)
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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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abstract = True
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class Review(Message):
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book = models.ForeignKey('Book', on_delete=models.PROTECT)
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star_rating = models.IntegerField(default=0)
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class Shelf(models.Model):
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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 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('User', blank=True, null=True, on_delete=models.PROTECT)
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added_date = models.DateTimeField(auto_now_add=True)
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class Book(models.Model):
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''' a non-canonical copy from open library '''
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openlibary_key = models.CharField(max_length=255)
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data = JSONField()
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works = models.ManyToManyField('Work')
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authors = models.ManyToManyField('Author')
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added_by = models.ForeignKey('User', on_delete=models.PROTECT, blank=True, null=True)
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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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class Work(models.Model):
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openlibary_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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class Author(models.Model):
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openlibary_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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