Small refactor in messaging.

[wolnelektury.git] / src / api / models.py

diff --git a/src/api/models.py b/src/api/models.py
index 5a3d424..28bc880 100644 (file)
--- a/src/api/models.py
+++ b/src/api/models.py
@@ -1,7 +1,8 @@
-# -*- coding: utf-8 -*-
 # This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
 #
+from django.conf import settings
+from django.contrib.auth.models import User
 from django.contrib.contenttypes.models import ContentType
 from django.db import models
 from django.db.models.signals import pre_delete
@@ -13,7 +14,7 @@ from catalogue.models import Book, Tag
 class Deleted(models.Model):
     object_id = models.IntegerField()
     slug = models.SlugField(_('slug'), max_length=120, blank=True, db_index=True)
-    content_type = models.ForeignKey(ContentType)
+    content_type = models.ForeignKey(ContentType, models.CASCADE)
     category = models.CharField(max_length=64, null=True, blank=True, db_index=True)
     created_at = models.DateTimeField(editable=False, db_index=True)
     deleted_at = models.DateTimeField(auto_now_add=True, db_index=True)
@@ -29,11 +30,87 @@ def _pre_delete_handler(sender, instance, **kwargs):
         if sender == Tag:
             if instance.category in ('book', 'set'):
                 return
-            else:
-                category = instance.category
+            category = instance.category
         else:
             category = None
         content_type = ContentType.objects.get_for_model(sender)
-        Deleted.objects.create(content_type=content_type, object_id=instance.id,
-            created_at=instance.created_at, category=category, slug=instance.slug)
+        Deleted.objects.create(
+            content_type=content_type,
+            object_id=instance.id,
+            created_at=instance.created_at,
+            category=category,
+            slug=instance.slug
+        )
 pre_delete.connect(_pre_delete_handler)
+
+
+class BookUserData(models.Model):
+    book = models.ForeignKey(Book, models.CASCADE)
+    user = models.ForeignKey(User, models.CASCADE)
+    complete = models.BooleanField(default=False)
+    last_changed = models.DateTimeField(auto_now=True)
+
+    @property
+    def state(self):
+        return 'complete' if self.complete else 'reading'
+
+    @classmethod
+    def update(cls, book, user, state):
+        instance, created = cls.objects.get_or_create(book=book, user=user)
+        instance.complete = state == 'complete'
+        instance.save()
+        return instance
+
+
+KEY_SIZE = 18
+SECRET_SIZE = 32
+
+CONSUMER_STATES = (
+    ('pending', 'Pending approval'),
+    ('accepted', 'Accepted'),
+    ('canceled', 'Canceled'),
+)
+
+
+class Nonce(models.Model):
+    token_key = models.CharField(max_length=KEY_SIZE)
+    consumer_key = models.CharField(max_length=KEY_SIZE)
+    key = models.CharField(max_length=255)
+
+    def __str__(self):
+        return "Nonce %s for %s" % (self.key, self.consumer_key)
+
+
+class Consumer(models.Model):
+    name = models.CharField(max_length=255)
+    description = models.TextField()
+    key = models.CharField(max_length=KEY_SIZE)
+    secret = models.CharField(max_length=SECRET_SIZE)
+    status = models.CharField(max_length=16, choices=CONSUMER_STATES, default='pending')
+    user = models.ForeignKey(
+        settings.AUTH_USER_MODEL, models.CASCADE,
+        null=True, blank=True, related_name='consumers'
+    )
+
+    def __str__(self):
+        return "Consumer %s with key %s" % (self.name, self.key)
+
+
+class Token(models.Model):
+    REQUEST = 1
+    ACCESS = 2
+    TOKEN_TYPES = ((REQUEST, 'Request'), (ACCESS, 'Access'))
+
+    key = models.CharField(max_length=KEY_SIZE)
+    secret = models.CharField(max_length=SECRET_SIZE)
+    token_type = models.IntegerField(choices=TOKEN_TYPES)
+    timestamp = models.IntegerField()
+    is_approved = models.BooleanField(default=False)
+    user = models.ForeignKey(
+        settings.AUTH_USER_MODEL, models.CASCADE,
+        null=True, blank=True, related_name='tokens'
+    )
+    consumer = models.ForeignKey(Consumer, models.CASCADE)
+
+    def __str__(self):
+        return "%s Token %s for %s" % (self.get_token_type_display(), self.key, self.consumer)