X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/357027375ff8867f42ca34bcbfb5a78b5b185fc3..4ddb93217b0476206908c0f2b4a66989631bdef3:/src/api/handlers.py diff --git a/src/api/handlers.py b/src/api/handlers.py index 5fe931e69..27477b3b2 100644 --- a/src/api/handlers.py +++ b/src/api/handlers.py @@ -13,12 +13,13 @@ from sorl.thumbnail import default from catalogue.forms import BookImportForm from catalogue.models import Book, Tag, BookMedia, Fragment, Collection +from catalogue.models.tag import prefetch_relations from picture.models import Picture from picture.forms import PictureImportForm from stats.utils import piwik_track -from . import emitters # Register our emitters +from . import emitters # Register our emitters API_BASE = WL_BASE = MEDIA_BASE = lazy( lambda: u'http://' + Site.objects.get_current().domain, unicode)() @@ -39,7 +40,6 @@ for k, v in category_singular.items(): book_tag_categories = ['author', 'epoch', 'kind', 'genre'] - def read_tags(tags, allowed): """ Reads a path of filtering tags. @@ -62,7 +62,7 @@ def read_tags(tags, allowed): except KeyError: raise ValueError('Unknown category.') - if not category in allowed: + if category not in allowed: raise ValueError('Category not allowed.') if category == 'book': @@ -137,7 +137,6 @@ class BookDetails(object): book.cover, "139x193").url if book.cover else '' - class BookDetailHandler(BaseHandler, BookDetails): """ Main handler for Book objects. @@ -164,7 +163,7 @@ class AnonymousBooksHandler(AnonymousBaseHandler, BookDetails): """ allowed_methods = ('GET',) model = Book - fields = book_tag_categories + ['href', 'title', 'url', 'cover', 'cover_thumb'] + fields = book_tag_categories + ['href', 'title', 'url', 'cover', 'cover_thumb', 'slug'] @classmethod def genres(cls, book): @@ -172,8 +171,9 @@ 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, before=None, count=None): """ Lists all books with given tags. :param tags: filtering tags; should be a path of categories @@ -200,7 +200,8 @@ 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 = books.order_by('slug') if top_level: books = books.filter(parent=None) @@ -208,8 +209,27 @@ 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') + + if after: + books = books.filter(slug__gt=after) + if before: + books = books.filter(slug__lt=before) + + books = books.only('slug', 'title', 'cover', 'cover_thumb') + for category in book_tag_categories: + books = prefetch_relations(books, category) + + if count: + if before: + books = list(reversed(books.order_by('-slug')[:count])) + else: + books = books[:count] - if books.exists(): + if books: return books else: return rc.NOT_FOUND @@ -221,7 +241,7 @@ 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_tag_categories + ['href', 'title', 'url', 'cover', 'cover_thumb', 'slug'] anonymous = AnonymousBooksHandler def create(self, request, *args, **kwargs): @@ -238,7 +258,35 @@ class BooksHandler(BookDetailHandler): class EBooksHandler(AnonymousBooksHandler): - fields = ('author', 'href', 'title', 'cover') + tuple(Book.ebook_formats) + fields = ('author', 'href', 'title', 'cover') + tuple(Book.ebook_formats) + ('slug',) + + +class FilterBooksHandler(AnonymousBooksHandler): + fields = book_tag_categories + ['href', 'title', 'url', 'cover', 'cover_thumb', 'slug'] + + def read(self, request, title_part=None, author_part=None, is_lektura=None, is_audiobook=None, + after=None, before=None, count=None): + if count is None: + count = 50 + if is_lektura in ('true', 'false'): + is_lektura = is_lektura == 'true' + else: + is_lektura = None + if is_audiobook in ('true', 'false'): + is_audiobook = is_audiobook == 'true' + books = Book.objects.distinct() + if title_part: + books = books.filter(title__iregex='\m' + title_part) + if author_part is not None: + books = books.filter(cached_author__iregex='\m' + author_part) + 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') + return super(FilterBooksHandler, self).read(request, books=books, after=after, before=before, count=count) # add categorized tags fields for Book @@ -247,18 +295,27 @@ def _tags_getter(category): 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 book.tag_unicode(category) return get_tag -for plural, singular in category_singular.items(): - setattr(BookDetails, plural, _tags_getter(singular)) - setattr(BookDetails, singular, _tag_getter(singular)) + + +def add_tag_getters(): + for plural, singular in category_singular.items(): + setattr(BookDetails, plural, _tags_getter(singular)) + setattr(BookDetails, singular, _tag_getter(singular)) + +add_tag_getters() + # add fields for files in Book -def _file_getter(format): - field = "%s_file" % format +def _file_getter(book_format): + field = "%s_file" % book_format + @classmethod def get_file(cls, book): f = getattr(book, field) @@ -267,8 +324,13 @@ def _file_getter(format): else: return '' return get_file -for format in Book.formats: - setattr(BookDetails, format, _file_getter(format)) + + +def add_file_getters(): + for book_format in Book.formats: + setattr(BookDetails, book_format, _file_getter(book_format)) + +add_file_getters() class CollectionDetails(object): @@ -291,7 +353,6 @@ class CollectionDetails(object): return Book.objects.filter(collection.get_query()) - class CollectionDetailHandler(BaseHandler, CollectionDetails): allowed_methods = ('GET',) fields = ['url', 'title', 'description', 'books'] @@ -343,7 +404,7 @@ class TagDetailHandler(BaseHandler, TagDetails): try: category_sng = category_singular[category] - except KeyError, e: + except KeyError: return rc.NOT_FOUND try: @@ -374,7 +435,7 @@ class TagsHandler(BaseHandler, TagDetails): try: category_sng = category_singular[category] - except KeyError, e: + except KeyError: return rc.NOT_FOUND tags = Tag.objects.filter(category=category_sng).exclude(items=None) @@ -391,8 +452,7 @@ class FragmentDetails(object): def href(cls, fragment): """ Returns URI in the API for the fragment. """ - return API_BASE + reverse("api_fragment", - args=[fragment.book.slug, fragment.anchor]) + return API_BASE + reverse("api_fragment", args=[fragment.book.slug, fragment.anchor]) @classmethod def url(cls, fragment): @@ -430,7 +490,7 @@ class FragmentsHandler(BaseHandler, FragmentDetails): fields = ['book', 'url', 'anchor', 'href'] allowed_methods = ('GET',) - categories = set(['author', 'epoch', 'kind', 'genre', 'book', 'theme']) + categories = {'author', 'epoch', 'kind', 'genre', 'book', 'theme'} @piwik_track def read(self, request, tags):