X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/963c137c837058edfa66e97c49682e2d0f437923..ead103592c898e7fd83ac66a452c97548d45b1ea:/apps/api/handlers.py diff --git a/apps/api/handlers.py b/apps/api/handlers.py index 260384d69..e1792af13 100644 --- a/apps/api/handlers.py +++ b/apps/api/handlers.py @@ -1,28 +1,33 @@ # -*- 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 catalogue.utils import related_tag_name 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 = { @@ -33,7 +38,7 @@ category_singular = { 'themes': 'theme', 'books': 'book', } -category_plural={} +category_plural = {} for k, v in category_singular.items(): category_plural[v] = k @@ -93,21 +98,16 @@ class BookMediaHandler(BaseHandler): @classmethod def artist(cls, media): - return media.get_extra_info_value().get('artist_name', '') + return media.extra_info.get('artist_name', '') @classmethod def director(cls, media): - return media.get_extra_info_value().get('director_name', '') - + 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']['author']) - @classmethod def href(cls, book): """ Returns an URI for a Book in the API. """ @@ -134,6 +134,11 @@ class BookDetails(object): def cover(cls, book): return MEDIA_BASE + book.cover.url if book.cover else '' + @classmethod + def cover_thumb(cls, book): + return MEDIA_BASE + default.backend.get_thumbnail( + book.cover, "139x193").url if book.cover else '' + class BookDetailHandler(BaseHandler, BookDetails): @@ -143,7 +148,7 @@ class BookDetailHandler(BaseHandler, BookDetails): """ allowed_methods = ['GET'] fields = ['title', 'parent', 'children'] + Book.formats + [ - 'media', 'url', 'cover'] + [ + 'media', 'url', 'cover', 'cover_thumb'] + [ category_plural[c] for c in book_tag_categories] @piwik_track @@ -162,7 +167,12 @@ class AnonymousBooksHandler(AnonymousBaseHandler, BookDetails): """ 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, @@ -188,13 +198,13 @@ class AnonymousBooksHandler(AnonymousBaseHandler, BookDetails): books = Book.tagged.with_all(tags) else: books = Book.objects.all() - + if top_level: books = books.filter(parent=None) if audiobooks: - books = books.filter(media__type='mp3') + books = books.filter(media__type='mp3').distinct() if daisy: - books = books.filter(media__type='daisy') + books = books.filter(media__type='daisy').distinct() if books.exists(): return books @@ -208,7 +218,7 @@ class AnonymousBooksHandler(AnonymousBaseHandler, BookDetails): 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): @@ -224,14 +234,24 @@ class BooksHandler(BookDetailHandler): 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(related_tag_name(t) for t in book.related_info()['tags'].get(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): @@ -248,6 +268,51 @@ for format in Book.formats: 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.""" @@ -318,7 +383,7 @@ class FragmentDetails(object): 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 @@ -402,7 +467,7 @@ class CatalogueHandler(BaseHandler): """ # 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) @@ -410,7 +475,7 @@ class CatalogueHandler(BaseHandler): def book_dict(book, fields=None): all_fields = ['url', 'title', 'description', 'gazeta_link', 'wiki_link', - ] + Book.formats + BookMedia.formats + [ + ] + Book.formats + BookMedia.formats.keys() + [ 'parent', 'parent_number', 'tags', 'license', 'license_description', 'source_name', @@ -422,7 +487,7 @@ class CatalogueHandler(BaseHandler): else: fields = all_fields - extra_info = book.get_extra_info_value() + extra_info = book.extra_info obj = {} for field in fields: @@ -437,7 +502,7 @@ class CatalogueHandler(BaseHandler): elif field in BookMedia.formats: media = [] - for m in book.media.filter(type=field): + for m in book.media.filter(type=field).iterator(): media.append({ 'url': m.file.url, 'size': m.file.size, @@ -449,10 +514,10 @@ class CatalogueHandler(BaseHandler): obj[field] = book.get_absolute_url() elif field == 'tags': - obj[field] = [t.id for t in book.tags.exclude(category__in=('book', 'set'))] + obj[field] = [t.id for t in book.tags.exclude(category__in=('book', 'set')).iterator()] elif field == 'author': - obj[field] = ", ".join(t.name for t in book.tags.filter(category='author')) + obj[field] = ", ".join(t.name for t in book.tags.filter(category='author').iterator()) elif field == 'parent': obj[field] = book.parent_id @@ -473,7 +538,7 @@ class CatalogueHandler(BaseHandler): @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 = { @@ -489,16 +554,16 @@ class CatalogueHandler(BaseHandler): last_change = since for book in Book.objects.filter(changed_at__gte=since, - changed_at__lt=until): + changed_at__lt=until).iterator(): book_d = cls.book_dict(book, fields) updated.append(book_d) 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): + created_at__lt=since).iterator(): deleted.append(book.id) if deleted: changes['deleted'] = deleted @@ -524,7 +589,7 @@ class CatalogueHandler(BaseHandler): obj[field] = tag.get_absolute_url() elif field == 'books': - obj[field] = [b.id for b in Book.tagged_top_level([tag])] + obj[field] = [b.id for b in Book.tagged_top_level([tag]).iterator()] elif field == 'sort_key': obj[field] = tag.sort_key @@ -539,7 +604,7 @@ class CatalogueHandler(BaseHandler): @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 = { @@ -560,9 +625,9 @@ class CatalogueHandler(BaseHandler): 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): + changed_at__lt=until).iterator(): # only serve non-empty tags if tag.book_count: tag_d = cls.tag_dict(tag, fields) @@ -573,10 +638,10 @@ class CatalogueHandler(BaseHandler): 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): + created_at__lt=since).iterator(): deleted.append(tag.id) if deleted: changes['deleted'] = deleted