moviewyrm/fedireads/models/user.py

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2020-02-11 23:17:21 +00:00
''' database schema for user data '''
from Crypto import Random
from Crypto.PublicKey import RSA
from django.contrib.auth.models import AbstractUser
from django.db import models
from django.dispatch import receiver
from fedireads.models import Shelf
from fedireads.settings import DOMAIN
class User(AbstractUser):
''' a user who wants to read books '''
private_key = models.TextField(blank=True, null=True)
public_key = models.TextField(blank=True, null=True)
api_key = models.CharField(max_length=255, blank=True, null=True)
actor = models.CharField(max_length=255, unique=True)
inbox = models.CharField(max_length=255, unique=True)
shared_inbox = models.CharField(max_length=255, blank=True, null=True)
federated_server = models.ForeignKey(
'FederatedServer',
on_delete=models.PROTECT,
null=True,
)
outbox = models.CharField(max_length=255, unique=True)
summary = models.TextField(blank=True, null=True)
local = models.BooleanField(default=True)
localname = models.CharField(
max_length=255,
null=True,
unique=True
)
# name is your display name, which you can change at will
name = models.CharField(max_length=100, blank=True, null=True)
avatar = models.ImageField(upload_to='avatars/', blank=True, null=True)
followers = models.ManyToManyField('self', symmetrical=False)
created_date = models.DateTimeField(auto_now_add=True)
updated_date = models.DateTimeField(auto_now=True)
class FederatedServer(models.Model):
''' store which server's we federate with '''
server_name = models.CharField(max_length=255, unique=True)
shared_inbox = models.CharField(max_length=255, unique=True)
# federated, blocked, whatever else
status = models.CharField(max_length=255, default='federated')
# is it mastodon, fedireads, etc
application_type = models.CharField(max_length=255, null=True)
@receiver(models.signals.pre_save, sender=User)
def execute_before_save(sender, instance, *args, **kwargs):
''' create shelves for new users '''
# this user already exists, no need to poplate fields
if instance.id or not instance.local:
return
# populate fields for local users
instance.localname = instance.username
instance.username = '%s@%s' % (instance.username, DOMAIN)
instance.actor = 'https://%s/user/%s' % (DOMAIN, instance.localname)
instance.inbox = 'https://%s/user/%s/inbox' % (DOMAIN, instance.localname)
instance.shared_inbox = 'https://%s/inbox' % DOMAIN
instance.outbox = 'https://%s/user/%s/outbox' % (DOMAIN, instance.localname)
if not instance.private_key:
random_generator = Random.new().read
key = RSA.generate(1024, random_generator)
instance.private_key = key.export_key().decode('utf8')
instance.public_key = key.publickey().export_key().decode('utf8')
@receiver(models.signals.post_save, sender=User)
def execute_after_save(sender, instance, created, *args, **kwargs):
''' create shelves for new users '''
# TODO: how are remote users handled? what if they aren't readers?
if not instance.local or not created:
return
shelves = [{
'name': 'To Read',
'type': 'to-read',
}, {
'name': 'Currently Reading',
'type': 'reading',
}, {
'name': 'Read',
'type': 'read',
}]
for shelf in shelves:
Shelf(
name=shelf['name'],
shelf_type=shelf['type'],
user=instance,
editable=False
).save()