# -*- 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 datetime import datetime, timedelta
import json
-from urlparse import urljoin
from django.conf import settings
from django.contrib.sites.models import Site
from django.core.cache import get_cache
from django.core.urlresolvers import reverse
+from django.utils.functional import lazy
+from django.utils.timezone import utc
from piston.handler import AnonymousBaseHandler, BaseHandler
from piston.utils import rc
from sorl.thumbnail import default
from api.helpers import timestamp
from api.models import Deleted
from catalogue.forms import BookImportForm
-from catalogue.models import Book, Tag, BookMedia, Fragment
+from catalogue.models import Book, Tag, BookMedia, Fragment, Collection
from picture.models import Picture
from picture.forms import PictureImportForm
+from wolnelektury.utils import tz
from stats.utils import piwik_track
-API_BASE = WL_BASE = MEDIA_BASE = 'http://' + Site.objects.get_current().domain
+API_BASE = WL_BASE = MEDIA_BASE = lazy(
+ lambda: u'http://' + Site.objects.get_current().domain, unicode)()
category_singular = {
'themes': 'theme',
'books': 'book',
}
-category_plural={}
+category_plural = {}
for k, v in category_singular.items():
category_plural[v] = k
:raises: ValueError when tags can't be found
"""
if not tags:
- return []
+ return [], []
tags = tags.strip('/').split('/')
real_tags = []
+ books = []
while tags:
category = tags.pop(0)
slug = tags.pop(0)
if not category in allowed:
raise ValueError('Category not allowed.')
- # !^%@#$^#!
if category == 'book':
- slug = 'l-' + slug
+ books.append(Book.objects.get(slug=slug))
try:
real_tags.append(Tag.objects.get(category=category, slug=slug))
except Tag.DoesNotExist:
raise ValueError('Tag not found')
- return real_tags
+ return real_tags, books
# RESTful handlers
@classmethod
def director(cls, media):
return media.extra_info.get('director_name', '')
-
class BookDetails(object):
"""Custom fields used for representing Books."""
- @classmethod
- def author(cls, book):
- return ",".join(t[0] for t in book.related_info()['tags'].get('author', []))
-
@classmethod
def href(cls, book):
""" Returns an URI for a Book in the API. """
@classmethod
def cover_thumb(cls, book):
return MEDIA_BASE + default.backend.get_thumbnail(
- book.cover, "139x193").url
+ book.cover, "139x193").url if book.cover else ''
"""
allowed_methods = ('GET',)
model = Book
- fields = ['author', 'href', 'title', 'url', 'cover']
+ fields = book_tag_categories + ['href', 'title', 'url', 'cover', 'cover_thumb']
+
+ @classmethod
+ def genres(cls, book):
+ """ Returns all media for a book. """
+ return book.tags.filter(category='genre')
@piwik_track
def read(self, request, tags, top_level=False,
are returned.
"""
try:
- tags = read_tags(tags, allowed=book_tag_categories)
+ tags, ancestors_ = read_tags(tags, allowed=book_tag_categories)
except ValueError:
return rc.NOT_FOUND
books = Book.tagged.with_all(tags)
else:
books = Book.objects.all()
-
+
if top_level:
books = books.filter(parent=None)
if audiobooks:
class BooksHandler(BookDetailHandler):
allowed_methods = ('GET', 'POST')
model = Book
- fields = ['author', 'href', 'title', 'url']
+ fields = book_tag_categories + ['href', 'title', 'url', 'cover', 'cover_thumb']
anonymous = AnonymousBooksHandler
def create(self, request, *args, **kwargs):
return rc.NOT_FOUND
+class EBooksHandler(AnonymousBooksHandler):
+ fields = ('author', 'href', 'title', 'cover') + tuple(Book.ebook_formats)
+
+
# add categorized tags fields for Book
def _tags_getter(category):
@classmethod
def get_tags(cls, book):
return book.tags.filter(category=category)
return get_tags
+def _tag_getter(category):
+ @classmethod
+ def get_tag(cls, book):
+ return ', '.join(tag.name for tag in book.tags.filter(category=category))
+ return get_tag
for plural, singular in category_singular.items():
setattr(BookDetails, plural, _tags_getter(singular))
+ setattr(BookDetails, singular, _tag_getter(singular))
# add fields for files in Book
def _file_getter(format):
setattr(BookDetails, format, _file_getter(format))
+class CollectionDetails(object):
+ """Custom Collection fields."""
+
+ @classmethod
+ def href(cls, collection):
+ """ Returns URI in the API for the collection. """
+
+ return API_BASE + reverse("api_collection", args=[collection.slug])
+
+ @classmethod
+ def url(cls, collection):
+ """ Returns URL on the site. """
+
+ return WL_BASE + collection.get_absolute_url()
+
+ @classmethod
+ def books(cls, collection):
+ return Book.objects.filter(collection.get_query())
+
+
+
+class CollectionDetailHandler(BaseHandler, CollectionDetails):
+ allowed_methods = ('GET',)
+ fields = ['url', 'title', 'description', 'books']
+
+ @piwik_track
+ def read(self, request, slug):
+ """ Returns details of a collection, identified by slug. """
+ try:
+ return Collection.objects.get(slug=slug)
+ except Collection.DoesNotExist:
+ return rc.NOT_FOUND
+
+
+class CollectionsHandler(BaseHandler, CollectionDetails):
+ allowed_methods = ('GET',)
+ model = Collection
+ fields = ['url', 'href', 'title']
+
+ @piwik_track
+ def read(self, request):
+ """ Returns all collections. """
+ return Collection.objects.all()
+
+
class TagDetails(object):
"""Custom Tag fields."""
except KeyError, e:
return rc.NOT_FOUND
- tags = Tag.objects.filter(category=category_sng).exclude(book_count=0)
+ tags = Tag.objects.filter(category=category_sng).exclude(items=None)
if tags.exists():
return tags
else:
def href(cls, fragment):
""" Returns URI in the API for the fragment. """
- return API_BASE + reverse("api_fragment",
+ return API_BASE + reverse("api_fragment",
args=[fragment.book.slug, fragment.anchor])
@classmethod
"""
try:
- tags = read_tags(tags, allowed=self.categories)
+ tags, ancestors = read_tags(tags, allowed=self.categories)
except ValueError:
return rc.NOT_FOUND
fragments = Fragment.tagged.with_all(tags).select_related('book')
"""
# set to five minutes ago, to avoid concurrency issues
if t is None:
- t = datetime.now() - timedelta(seconds=settings.API_WAIT)
+ t = datetime.utcnow().replace(tzinfo=utc) - timedelta(seconds=settings.API_WAIT)
# set to whole second in case DB supports something smaller
return t.replace(microsecond=0)
obj[field] = book.get_absolute_url()
elif field == 'tags':
- obj[field] = [t.id for t in book.tags.exclude(category__in=('book', 'set')).iterator()]
+ obj[field] = [t.id for t in book.tags.exclude(category='set').iterator()]
elif field == 'author':
obj[field] = ", ".join(t.name for t in book.tags.filter(category='author').iterator())
@classmethod
def book_changes(cls, request=None, since=0, until=None, fields=None):
- since = datetime.fromtimestamp(int(since))
+ since = datetime.fromtimestamp(int(since), tz)
until = cls.until(until)
changes = {
if updated:
changes['updated'] = updated
- for book in Deleted.objects.filter(content_type=Book,
+ for book in Deleted.objects.filter(content_type=Book,
deleted_at__gte=since,
deleted_at__lt=until,
created_at__lt=since).iterator():
@classmethod
def tag_changes(cls, request=None, since=0, until=None, fields=None, categories=None):
- since = datetime.fromtimestamp(int(since))
+ since = datetime.fromtimestamp(int(since), tz)
until = cls.until(until)
changes = {
updated = []
deleted = []
- for tag in Tag.objects.filter(category__in=categories,
+ for tag in Tag.objects.filter(category__in=categories,
changed_at__gte=since,
- changed_at__lt=until).iterator():
- # only serve non-empty tags
- if tag.book_count:
- tag_d = cls.tag_dict(tag, fields)
- updated.append(tag_d)
- elif tag.created_at < since:
- deleted.append(tag.id)
+ changed_at__lt=until
+ ).exclude(items=None).iterator():
+ tag_d = cls.tag_dict(tag, fields)
+ updated.append(tag_d)
+ for tag in Tag.objects.filter(category__in=categories,
+ created_at__lt=since,
+ changed_at__gte=since,
+ changed_at__lt=until,
+ items=None).iterator():
+ deleted.append(tag.id)
if updated:
changes['updated'] = updated
for tag in Deleted.objects.filter(category__in=categories,
- content_type=Tag,
+ content_type=Tag,
deleted_at__gte=since,
deleted_at__lt=until,
created_at__lt=since).iterator():
fnp / wolnelektury.git / blobdiff