X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/b9dc6590aa12ae1b04e11dbb57684c5630c1e3bd..14c183c7aecfdf240eb54fbaa659588e940535de:/src/api/handlers.py diff --git a/src/api/handlers.py b/src/api/handlers.py index b81afdaf5..d32981e04 100644 --- a/src/api/handlers.py +++ b/src/api/handlers.py @@ -6,23 +6,34 @@ import json from django.contrib.sites.models import Site from django.core.urlresolvers import reverse +from django.db.models import Q +from django.http.response import HttpResponse from django.utils.functional import lazy +from django.db import models +from migdal.models import Entry from piston.handler import AnonymousBaseHandler, BaseHandler from piston.utils import rc from sorl.thumbnail import default +from api.models import BookUserData from catalogue.forms import BookImportForm from catalogue.models import Book, Tag, BookMedia, Fragment, Collection +from catalogue.models.tag import prefetch_relations +from catalogue.utils import is_subscribed +from librarian.cover import WLCover from picture.models import Picture from picture.forms import PictureImportForm +from social.utils import likes from stats.utils import piwik_track +from wolnelektury.utils import re_escape from . import emitters # Register our emitters API_BASE = WL_BASE = MEDIA_BASE = lazy( - lambda: u'http://' + Site.objects.get_current().domain, unicode)() + lambda: u'https://' + Site.objects.get_current().domain, unicode)() +SORT_KEY_SEP = '$' category_singular = { 'authors': 'author', @@ -38,14 +49,29 @@ for k, v in category_singular.items(): book_tag_categories = ['author', 'epoch', 'kind', 'genre'] +book_list_fields = book_tag_categories + [ + 'href', 'title', 'url', 'cover', 'cover_thumb', 'slug', 'simple_thumb', 'has_audio', 'cover_color', 'full_sort_key'] -def read_tags(tags, allowed): + +def read_tags(tags, request, allowed): """ Reads a path of filtering tags. :param str tags: a path of category and slug pairs, like: authors/an-author/... :returns: list of Tag objects :raises: ValueError when tags can't be found """ + + def process(category, slug): + if category == 'book': + try: + books.append(Book.objects.get(slug=slug)) + except Book.DoesNotExist: + raise ValueError('Unknown book.') + try: + real_tags.append(Tag.objects.get(category=category, slug=slug)) + except Tag.DoesNotExist: + raise ValueError('Tag not found') + if not tags: return [], [] @@ -63,17 +89,14 @@ def read_tags(tags, allowed): if category not in allowed: raise ValueError('Category not allowed.') - - if category == 'book': - try: - books.append(Book.objects.get(slug=slug)) - except Book.DoesNotExist: - raise ValueError('Unknown book.') - - try: - real_tags.append(Tag.objects.get(category=category, slug=slug)) - except Tag.DoesNotExist: - raise ValueError('Tag not found') + process(category, slug) + + for key in request.GET: + if key in category_singular: + category = category_singular[key] + if category in allowed: + for slug in request.GET.getlist(key): + process(category, slug) return real_tags, books @@ -112,14 +135,12 @@ class BookDetails(object): @classmethod def url(cls, book): """ Returns Book's URL on the site. """ - return WL_BASE + book.get_absolute_url() @classmethod def children(cls, book): """ Returns all children for a book. """ - - return book.children.all() + return book.children.order_by('parent_number', 'sort_key') @classmethod def media(cls, book): @@ -135,6 +156,41 @@ class BookDetails(object): return MEDIA_BASE + default.backend.get_thumbnail( book.cover, "139x193").url if book.cover else '' + @classmethod + def simple_thumb(cls, book): + return MEDIA_BASE + book.cover_api_thumb.url if book.cover_api_thumb else '' + + @classmethod + def simple_cover(cls, book): + return MEDIA_BASE + book.simple_cover.url if book.simple_cover else '' + + @classmethod + def cover_color(cls, book): + return WLCover.epoch_colors.get(book.extra_info.get('epoch'), '#000000') + + @classmethod + def full_sort_key(cls, book): + return '%s%s%s%s%s' % (book.sort_key_author, SORT_KEY_SEP, book.sort_key, SORT_KEY_SEP, book.id) + + @staticmethod + def books_after(books, after, new_api): + if not new_api: + return books.filter(slug__gt=after) + try: + author, title, book_id = after.split(SORT_KEY_SEP) + except ValueError: + return Book.objects.none() + return books.filter(Q(sort_key_author__gt=author) + | (Q(sort_key_author=author) & Q(sort_key__gt=title)) + | (Q(sort_key_author=author) & Q(sort_key=title) & Q(id__gt=int(book_id)))) + + @staticmethod + def order_books(books, new_api): + if new_api: + return books.order_by('sort_key_author', 'sort_key', 'id') + else: + return books.order_by('slug') + class BookDetailHandler(BaseHandler, BookDetails): """ Main handler for Book objects. @@ -143,7 +199,8 @@ class BookDetailHandler(BaseHandler, BookDetails): """ allowed_methods = ['GET'] fields = ['title', 'parent', 'children'] + Book.formats + [ - 'media', 'url', 'cover', 'cover_thumb'] + [ + 'media', 'url', 'cover', 'cover_thumb', 'simple_thumb', 'simple_cover', 'fragment_data', 'audio_length', + 'preview', 'cover_color'] + [ category_plural[c] for c in book_tag_categories] @piwik_track @@ -162,7 +219,7 @@ class AnonymousBooksHandler(AnonymousBaseHandler, BookDetails): """ allowed_methods = ('GET',) model = Book - fields = book_tag_categories + ['href', 'title', 'url', 'cover', 'cover_thumb'] + fields = book_list_fields @classmethod def genres(cls, book): @@ -170,7 +227,9 @@ class AnonymousBooksHandler(AnonymousBaseHandler, BookDetails): return book.tags.filter(category='genre') @piwik_track - def read(self, request, tags=None, top_level=False, audiobooks=False, daisy=False, pk=None): + def read(self, request, tags=None, top_level=False, audiobooks=False, daisy=False, pk=None, + recommended=False, newest=False, books=None, + after=None, count=None): """ Lists all books with given tags. :param tags: filtering tags; should be a path of categories @@ -186,10 +245,16 @@ class AnonymousBooksHandler(AnonymousBaseHandler, BookDetails): return rc.NOT_FOUND try: - tags, _ancestors = read_tags(tags, allowed=book_tag_categories) + tags, _ancestors = read_tags(tags, request, allowed=book_tag_categories) except ValueError: return rc.NOT_FOUND + new_api = request.GET.get('new_api') + if 'after' in request.GET: + after = request.GET['after'] + if 'count' in request.GET: + count = request.GET['count'] + if tags: if top_level: books = Book.tagged_top_level(tags) @@ -197,7 +262,8 @@ class AnonymousBooksHandler(AnonymousBaseHandler, BookDetails): else: books = Book.tagged.with_all(tags) else: - books = Book.objects.all() + books = books if books is not None else Book.objects.all() + books = self.order_books(books, new_api) if top_level: books = books.filter(parent=None) @@ -205,13 +271,25 @@ class AnonymousBooksHandler(AnonymousBaseHandler, BookDetails): books = books.filter(media__type='mp3').distinct() if daisy: books = books.filter(media__type='daisy').distinct() + if recommended: + books = books.filter(recommended=True) + if newest: + books = books.order_by('-created_at') - books = books.only('slug', 'title', 'cover') + if after: + books = self.books_after(books, after, new_api) - if books: - return books + if new_api: + books = books.only('slug', 'title', 'cover', 'cover_thumb', 'sort_key', 'sort_key_author') else: - return rc.NOT_FOUND + books = books.only('slug', 'title', 'cover', 'cover_thumb') + for category in book_tag_categories: + books = prefetch_relations(books, category) + + if count: + books = books[:count] + + return books def create(self, request, *args, **kwargs): return rc.FORBIDDEN @@ -220,9 +298,23 @@ class AnonymousBooksHandler(AnonymousBaseHandler, BookDetails): class BooksHandler(BookDetailHandler): allowed_methods = ('GET', 'POST') model = Book - fields = book_tag_categories + ['href', 'title', 'url', 'cover', 'cover_thumb'] + fields = book_list_fields + ['liked'] anonymous = AnonymousBooksHandler + # hack, because piston is stupid + @classmethod + def liked(cls, book): + return getattr(book, 'liked', None) + + def read(self, request, **kwargs): + books = AnonymousBooksHandler().read(request, **kwargs) + likes = set(Book.tagged.with_any(request.user.tag_set.all()).values_list('id', flat=True)) + + new_books = [ + BookProxy(book).set('liked', book.id in likes) + for book in books] + return QuerySetProxy(new_books) + def create(self, request, *args, **kwargs): if not request.user.has_perm('catalogue.add_book'): return rc.FORBIDDEN @@ -236,8 +328,142 @@ class BooksHandler(BookDetailHandler): return rc.NOT_FOUND +class EpubHandler(BookDetailHandler): + def read(self, request, slug): + if not is_subscribed(request.user): + return rc.FORBIDDEN + try: + book = Book.objects.get(slug=slug) + except Book.DoesNotExist: + return rc.NOT_FOUND + response = HttpResponse(book.get_media('epub')) + return response + + class EBooksHandler(AnonymousBooksHandler): - fields = ('author', 'href', 'title', 'cover') + tuple(Book.ebook_formats) + fields = ('author', 'href', 'title', 'cover') + tuple(Book.ebook_formats) + ('slug',) + + +class BookProxy(models.Model): + class Meta: + managed = False + + def __init__(self, book, key=None): + self.book = book + self.key = key + + def set(self, attr, value): + self.__setattr__(attr, value) + return self + + def __getattr__(self, item): + return self.book.__getattribute__(item) + + +class QuerySetProxy(models.QuerySet): + def __init__(self, l): + self.list = l + + def __iter__(self): + return iter(self.list) + + +class AnonFilterBooksHandler(AnonymousBooksHandler): + fields = book_list_fields + ['key'] + + def parse_bool(self, s): + if s in ('true', 'false'): + return s == 'true' + else: + return None + + def read(self, request): + key_sep = '$' + search_string = request.GET.get('search') + is_lektura = self.parse_bool(request.GET.get('lektura')) + is_audiobook = self.parse_bool(request.GET.get('audiobook')) + preview = self.parse_bool(request.GET.get('preview')) + + new_api = request.GET.get('new_api') + after = request.GET.get('after') + count = int(request.GET.get('count', 50)) + books = self.order_books(Book.objects.distinct(), new_api) + if is_lektura is not None: + books = books.filter(has_audience=is_lektura) + if is_audiobook is not None: + if is_audiobook: + books = books.filter(media__type='mp3') + else: + books = books.exclude(media__type='mp3') + if preview is not None: + books = books.filter(preview=preview) + for key in request.GET: + if key in category_singular: + category = category_singular[key] + if category in book_tag_categories: + slugs = request.GET[key].split(',') + tags = Tag.objects.filter(category=category, slug__in=slugs) + books = Book.tagged.with_any(tags, books) + if (search_string is not None) and len(search_string) < 3: + search_string = None + if search_string: + search_string = re_escape(search_string) + books_author = books.filter(cached_author__iregex='\m' + search_string) + books_title = books.filter(title__iregex='\m' + search_string) + books_title = books_title.exclude(id__in=list(books_author.values_list('id', flat=True))) + if after and (key_sep in after): + which, key = after.split(key_sep, 1) + if which == 'title': + book_lists = [(self.books_after(books_title, key, new_api), 'title')] + else: # which == 'author' + book_lists = [(self.books_after(books_author, key, new_api), 'author'), (books_title, 'title')] + else: + book_lists = [(books_author, 'author'), (books_title, 'title')] + else: + if after and key_sep in after: + which, key = after.split(key_sep, 1) + books = self.books_after(books, key, new_api) + book_lists = [(books, 'book')] + + filtered_books = [] + for book_list, label in book_lists: + book_list = book_list.only('slug', 'title', 'cover', 'cover_thumb', 'sort_key_author', 'sort_key') + for category in book_tag_categories: + book_list = prefetch_relations(book_list, category) + remaining_count = count - len(filtered_books) + new_books = [ + BookProxy(book, '%s%s%s' % ( + label, key_sep, book.slug if not new_api else self.full_sort_key(book))) + for book in book_list[:remaining_count]] + filtered_books += new_books + if len(filtered_books) == count: + break + + return QuerySetProxy(filtered_books) + + +class FilterBooksHandler(BooksHandler): + anonymous = AnonFilterBooksHandler + fields = book_list_fields + ['key', 'liked'] + + # hack, because piston is stupid + @classmethod + def liked(cls, book): + return getattr(book, 'liked', None) + + def read(self, request): + qsp = AnonFilterBooksHandler().read(request) + likes = set(Book.tagged.with_any(request.user.tag_set.all()).values_list('id', flat=True)) + for book in qsp.list: + book.set('liked', book.id in likes) + return qsp + + +class BookPreviewHandler(BookDetailHandler): + fields = BookDetailHandler.fields + ['slug'] + + def read(self, request): + return Book.objects.filter(preview=True) # add categorized tags fields for Book @@ -251,7 +477,7 @@ def _tags_getter(category): def _tag_getter(category): @classmethod def get_tag(cls, book): - return ', '.join(book.tags.filter(category=category).values_list('name', flat=True)) + return book.tag_unicode(category) return get_tag @@ -260,18 +486,18 @@ def add_tag_getters(): setattr(BookDetails, plural, _tags_getter(singular)) setattr(BookDetails, singular, _tag_getter(singular)) + add_tag_getters() # add fields for files in Book def _file_getter(book_format): - field = "%s_file" % book_format - @classmethod - def get_file(cls, book): - f = getattr(book, field) - if f: - return MEDIA_BASE + f.url + @staticmethod + def get_file(book): + f_url = book.media_url(book_format) + if f_url: + return MEDIA_BASE + f_url else: return '' return get_file @@ -281,6 +507,7 @@ def add_file_getters(): for book_format in Book.formats: setattr(BookDetails, book_format, _file_getter(book_format)) + add_file_getters() @@ -373,7 +600,7 @@ class TagsHandler(BaseHandler, TagDetails): """ allowed_methods = ('GET',) model = Tag - fields = ['name', 'href', 'url'] + fields = ['name', 'href', 'url', 'slug'] @piwik_track def read(self, request, category=None, pk=None): @@ -389,11 +616,25 @@ class TagsHandler(BaseHandler, TagDetails): except KeyError: return rc.NOT_FOUND - tags = Tag.objects.filter(category=category_sng).exclude(items=None) - if tags.exists(): - return tags - else: - return rc.NOT_FOUND + after = request.GET.get('after') + count = request.GET.get('count') + + tags = Tag.objects.filter(category=category_sng).exclude(items=None).order_by('slug') + + book_only = request.GET.get('book_only') == 'true' + picture_only = request.GET.get('picture_only') == 'true' + if book_only: + tags = tags.filter(for_books=True) + if picture_only: + tags = tags.filter(for_pictures=True) + + if after: + tags = tags.filter(slug__gt=after) + + if count: + tags = tags[:count] + + return tags class FragmentDetails(object): @@ -452,7 +693,7 @@ class FragmentsHandler(BaseHandler, FragmentDetails): """ try: - tags, ancestors = read_tags(tags, allowed=self.categories) + tags, ancestors = read_tags(tags, request, allowed=self.categories) except ValueError: return rc.NOT_FOUND fragments = Fragment.tagged.with_all(tags).select_related('book') @@ -478,3 +719,143 @@ class PictureHandler(BaseHandler): return rc.CREATED else: return rc.NOT_FOUND + + +class UserDataHandler(BaseHandler): + model = BookUserData + fields = ('state', 'username', 'premium') + allowed_methods = ('GET', 'POST') + + def read(self, request, slug=None): + if not request.user.is_authenticated(): + return rc.FORBIDDEN + if slug is None: + return {'username': request.user.username, 'premium': is_subscribed(request.user)} + try: + book = Book.objects.get(slug=slug) + except Book.DoesNotExist: + return rc.NOT_FOUND + try: + data = BookUserData.objects.get(book=book, user=request.user) + except BookUserData.DoesNotExist: + return {'state': 'not_started'} + return data + + def create(self, request, slug, state): + try: + book = Book.objects.get(slug=slug) + except Book.DoesNotExist: + return rc.NOT_FOUND + if not request.user.is_authenticated(): + return rc.FORBIDDEN + if state not in ('reading', 'complete'): + return rc.NOT_FOUND + data, created = BookUserData.objects.get_or_create(book=book, user=request.user) + data.state = state + data.save() + return data + + +class UserShelfHandler(BookDetailHandler): + fields = book_list_fields + ['liked'] + + def parse_bool(self, s): + if s in ('true', 'false'): + return s == 'true' + else: + return None + + # hack, because piston is stupid + @classmethod + def liked(cls, book): + return getattr(book, 'liked', None) + + def read(self, request, state): + if not request.user.is_authenticated(): + return rc.FORBIDDEN + likes = set(Book.tagged.with_any(request.user.tag_set.all()).values_list('id', flat=True)) + if state not in ('reading', 'complete', 'likes'): + return rc.NOT_FOUND + new_api = request.GET.get('new_api') + after = request.GET.get('after') + count = int(request.GET.get('count', 50)) + if state == 'likes': + books = Book.tagged.with_any(request.user.tag_set.all()) + else: + ids = BookUserData.objects.filter(user=request.user, complete=state == 'complete')\ + .values_list('book_id', flat=True) + books = Book.objects.filter(id__in=list(ids)).distinct() + books = self.order_books(books, new_api) + if after: + books = self.books_after(books, after, new_api) + if count: + books = books[:count] + new_books = [] + for book in books: + new_books.append(BookProxy(book).set('liked', book.id in likes)) + return QuerySetProxy(new_books) + + +class UserLikeHandler(BaseHandler): + fields = [] + allowed_methods = ('GET', 'POST') + + def read(self, request, slug): + if not request.user.is_authenticated(): + return rc.FORBIDDEN + try: + book = Book.objects.get(slug=slug) + except Book.DoesNotExist: + return rc.NOT_FOUND + return {'likes': likes(request.user, book)} + + def create(self, request, slug): + if not request.user.is_authenticated(): + return rc.FORBIDDEN + try: + book = Book.objects.get(slug=slug) + except Book.DoesNotExist: + return rc.NOT_FOUND + action = request.GET.get('action', 'like') + if action == 'like': + book.like(request.user) + elif action == 'unlike': + book.unlike(request.user) + return {} + + +class BlogEntryHandler(BaseHandler): + model = Entry + fields = ( + 'title', 'lead', 'body', 'place', 'time', 'image_url', 'image_thumb', 'gallery_urls', 'type', 'key', 'url') + + def read(self, request): + after = request.GET.get('after') + count = int(request.GET.get('count', 20)) + entries = Entry.published_objects.filter(in_stream=True).order_by('-first_published_at') + if after: + entries = entries.filter(first_published_at__lt=after) + if count: + entries = entries[:count] + return entries + + @classmethod + def image_url(cls, entry): + return (WL_BASE + entry.image.url) if entry.image else None + + @classmethod + def image_thumb(cls, entry): + return MEDIA_BASE + default.backend.get_thumbnail( + entry.image, "193x193").url if entry.image else '' + + @classmethod + def gallery_urls(cls, entry): + return [WL_BASE + photo.url() for photo in entry.photo_set.all()] + + @classmethod + def key(cls, entry): + return entry.first_published_at + + @classmethod + def url(cls, entry): + return WL_BASE + entry.get_absolute_url()