# This file is part of Wolne Lektury, licensed under GNU Affero GPLv3 or later.
# Copyright © Fundacja Wolne Lektury. See NOTICE for more information.
#
+from datetime import datetime
+import uuid
+from oauthlib.common import urlencode, generate_token
+from pytz import utc
from random import randint
from django.db import models
from django.conf import settings
+from django.contrib.auth.models import User
from django.core.exceptions import ValidationError
+from django.core.mail import send_mail
from django.urls import reverse
+from django.utils.timezone import now
from catalogue.models import Book
+from catalogue.utils import get_random_hash
from wolnelektury.utils import cached_render, clear_cached_renders
+from .syncable import Syncable
class BannerGroup(models.Model):
def get_banner(self):
return self.banner or self.banner_group.get_banner()
+
+
+class UserConfirmation(models.Model):
+ user = models.ForeignKey(User, models.CASCADE)
+ created_at = models.DateTimeField(auto_now_add=True)
+ key = models.CharField(max_length=128, unique=True)
+
+ def send(self):
+ send_mail(
+ 'Potwierdź konto w bibliotece Wolne Lektury',
+ f'https://beta.wolnelektury.pl/ludzie/potwierdz/{self.key}/',
+ settings.CONTACT_EMAIL,
+ [self.user.email]
+ )
+
+ def use(self):
+ user = self.user
+ user.is_active = True
+ user.save()
+ self.delete()
+
+ @classmethod
+ def request(cls, user):
+ cls.objects.create(
+ user=user,
+ key=generate_token()
+ ).send()
+
+
+class Progress(Syncable, models.Model):
+ user = models.ForeignKey(User, models.CASCADE)
+ book = models.ForeignKey('catalogue.Book', models.CASCADE)
+ created_at = models.DateTimeField(auto_now_add=True)
+ updated_at = models.DateTimeField(auto_now=True)
+ reported_timestamp = models.DateTimeField()
+ deleted = models.BooleanField(default=False)
+ last_mode = models.CharField(max_length=64, choices=[
+ ('text', 'text'),
+ ('audio', 'audio'),
+ ])
+ text_percent = models.FloatField(null=True, blank=True)
+ text_anchor = models.CharField(max_length=64, blank=True)
+ audio_percent = models.FloatField(null=True, blank=True)
+ audio_timestamp = models.FloatField(null=True, blank=True)
+ implicit_text_percent = models.FloatField(null=True, blank=True)
+ implicit_text_anchor = models.CharField(max_length=64, blank=True)
+ implicit_audio_percent = models.FloatField(null=True, blank=True)
+ implicit_audio_timestamp = models.FloatField(null=True, blank=True)
+
+ syncable_fields = [
+ 'deleted',
+ 'last_mode', 'text_anchor', 'audio_timestamp'
+ ]
+
+ class Meta:
+ unique_together = [('user', 'book')]
+
+ @property
+ def timestamp(self):
+ return self.updated_at.timestamp()
+
+ @classmethod
+ def create_from_data(cls, user, data):
+ return cls.objects.create(
+ user=user,
+ book=data['book'],
+ reported_timestamp=now(),
+ )
+
+ def save(self, *args, **kwargs):
+ try:
+ audio_l = self.book.get_audio_length()
+ except:
+ audio_l = 60
+ if self.text_anchor:
+ self.text_percent = 33
+ if audio_l:
+ self.implicit_audio_percent = 40
+ self.implicit_audio_timestamp = audio_l * .4
+ if self.audio_timestamp:
+ if self.audio_timestamp > audio_l:
+ self.audio_timestamp = audio_l
+ if audio_l:
+ self.audio_percent = 100 * self.audio_timestamp / audio_l
+ self.implicit_text_percent = 60
+ self.implicit_text_anchor = 'f20'
+ return super().save(*args, **kwargs)
+
+
+class UserList(Syncable, models.Model):
+ slug = models.SlugField(unique=True)
+ user = models.ForeignKey(User, models.CASCADE)
+ name = models.CharField(max_length=1024)
+ favorites = models.BooleanField(default=False)
+ public = models.BooleanField(default=False)
+ deleted = models.BooleanField(default=False)
+ created_at = models.DateTimeField(auto_now_add=True)
+ updated_at = models.DateTimeField(auto_now=True)
+ reported_timestamp = models.DateTimeField()
+
+ syncable_fields = ['name', 'public', 'deleted']
+
+ def get_absolute_url(self):
+ return reverse(
+ 'tagged_object_list',
+ args=[f'polka/{self.slug}']
+ )
+
+ def __str__(self):
+ return self.name
+
+ @property
+ def url_chunk(self):
+ return f'polka/{self.slug}'
+
+ @classmethod
+ def create_from_data(cls, user, data):
+ return cls.create(user, data['name'])
+
+ @classmethod
+ def create(cls, user, name):
+ n = now()
+ return cls.objects.create(
+ user=user,
+ name=name,
+ slug=get_random_hash(name),
+ updated_at=n,
+ reported_timestamp=n,
+ )
+
+ @classmethod
+ def get_by_name(cls, user, name, create=False):
+ l = cls.objects.filter(
+ user=user,
+ name=name
+ ).first()
+ if l is None and create:
+ l = cls.create(user, name)
+ return l
+
+ @classmethod
+ def get_favorites_list(cls, user, create=False):
+ try:
+ return cls.objects.get(
+ user=user,
+ favorites=True
+ )
+ except cls.DoesNotExist:
+ if create:
+ return cls.objects.create(
+ user=user,
+ favorites=True,
+ slug=get_random_hash(name),
+ updated_at=now()
+ )
+ else:
+ return None
+ except cls.MultipleObjectsReturned:
+ # merge?
+ lists = list(cls.objects.filter(user=user, favorites=True))
+ for l in lists[1:]:
+ t.userlistitem_set.all().update(
+ list=lists[0]
+ )
+ l.delete()
+ return lists[0]
+
+ @classmethod
+ def likes(cls, user, book):
+ ls = cls.get_favorites_list(user)
+ if ls is None:
+ return False
+ return ls.userlistitem_set.filter(deleted=False, book=book).exists()
+
+ def append(self, book):
+ # TODO: check for duplicates?
+ n = now()
+ item = self.userlistitem_set.create(
+ book=book,
+ order=(self.userlistitem_set.aggregate(m=models.Max('order'))['m'] or 0) + 1,
+ updated_at=n,
+ reported_timestamp=n,
+ )
+ book.update_popularity()
+ return item
+
+ def remove(self, book):
+ self.userlistitem_set.filter(book=book).update(
+ deleted=True,
+ updated_at=now()
+ )
+ book.update_popularity()
+
+ @classmethod
+ def like(cls, user, book):
+ ul = cls.get_favorites_list(user, create=True)
+ ul.append(book)
+
+ @classmethod
+ def unlike(cls, user, book):
+ ul = cls.get_favorites_list(user)
+ if ul is not None:
+ ul.remove(book)
+
+ def get_books(self):
+ return [item.book for item in self.userlistitem_set.exclude(deleted=True).exclude(book=None)]
+
+
+class UserListItem(Syncable, models.Model):
+ list = models.ForeignKey(UserList, models.CASCADE)
+ uuid = models.UUIDField(unique=True, default=uuid.uuid4, editable=False, blank=True)
+ order = models.IntegerField()
+ deleted = models.BooleanField(default=False)
+ created_at = models.DateTimeField(auto_now_add=True)
+ updated_at = models.DateTimeField(auto_now=True)
+ reported_timestamp = models.DateTimeField()
+
+ book = models.ForeignKey('catalogue.Book', models.SET_NULL, null=True, blank=True)
+ fragment = models.ForeignKey('catalogue.Fragment', models.SET_NULL, null=True, blank=True)
+ quote = models.ForeignKey('bookmarks.Quote', models.SET_NULL, null=True, blank=True)
+ bookmark = models.ForeignKey('bookmarks.Bookmark', models.SET_NULL, null=True, blank=True)
+
+ note = models.TextField(blank=True)
+
+ syncable_fields = ['order', 'deleted', 'book', 'fragment', 'quote', 'bookmark', 'note']
+
+ @classmethod
+ def create_from_data(cls, user, data):
+ if data.get('favorites'):
+ l = UserList.get_favorites_list(user, create=True)
+ else:
+ l = data['list']
+ try:
+ assert l.user == user
+ except AssertionError:
+ return
+ return l.append(book=data['book'])
+
+ @property
+ def favorites(self):
+ return self.list.favorites