X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/33c8c74e2d709240d400edc0d8b08058403e5296..8887547a016bbf665ffc4175346f655f0dfa63fb:/src/api/handlers.py diff --git a/src/api/handlers.py b/src/api/handlers.py index 92753357f..830f0a99a 100644 --- a/src/api/handlers.py +++ b/src/api/handlers.py @@ -6,18 +6,24 @@ import json from django.contrib.sites.models import Site from django.core.urlresolvers import reverse +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 picture.models import Picture from picture.forms import PictureImportForm from stats.utils import piwik_track +from wolnelektury.utils import re_escape from . import emitters # Register our emitters @@ -40,13 +46,25 @@ for k, v in category_singular.items(): book_tag_categories = ['author', 'epoch', 'kind', 'genre'] -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 [], [] @@ -64,17 +82,14 @@ 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 @@ -113,14 +128,12 @@ 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): @@ -137,9 +150,12 @@ class BookDetails(object): book.cover, "139x193").url if book.cover else '' @classmethod - def cover_source_image(cls, book): - url = book.cover_source() - return url.rstrip('/') + '/file/' + 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 '' class BookDetailHandler(BaseHandler, BookDetails): @@ -149,7 +165,8 @@ 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'] + [ category_plural[c] for c in book_tag_categories] @piwik_track @@ -168,7 +185,7 @@ class AnonymousBooksHandler(AnonymousBaseHandler, BookDetails): """ allowed_methods = ('GET',) model = Book - fields = book_tag_categories + ['href', 'title', 'url', 'cover', 'cover_thumb', 'slug'] + fields = book_tag_categories + ['href', 'title', 'url', 'cover', 'cover_thumb', 'slug', 'simple_thumb', 'has_audio'] @classmethod def genres(cls, book): @@ -194,10 +211,17 @@ 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 + if 'after' in request.GET: + after = request.GET['after'] + if 'before' in request.GET: + before = request.GET['before'] + if 'count' in request.GET: + count = request.GET['count'] + if tags: if top_level: books = Book.tagged_top_level(tags) @@ -234,10 +258,7 @@ class AnonymousBooksHandler(AnonymousBaseHandler, BookDetails): else: books = books[:count] - if books: - return books - else: - return rc.NOT_FOUND + return books def create(self, request, *args, **kwargs): return rc.FORBIDDEN @@ -262,28 +283,65 @@ 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) + ('slug',) +class BookProxy(models.Model): + class Meta: + managed = False + + def __init__(self, book, key): + self.book = book + self.key = key + + def __getattr__(self, item): + if item not in ('book', 'key'): + return self.book.__getattribute__(item) + else: + return self.__getattribute__(item) + + +class QuerySetProxy(models.QuerySet): + def __init__(self, l): + self.list = l + + def __iter__(self): + return iter(self.list) + + class FilterBooksHandler(AnonymousBooksHandler): - fields = book_tag_categories + ['href', 'title', 'url', 'cover', 'cover_thumb', 'slug', 'cover_source_image'] + fields = book_tag_categories + [ + 'href', 'title', 'url', 'cover', 'cover_thumb', 'simple_thumb', 'has_audio', 'slug', 'key'] - 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' + def parse_bool(self, s): + if s in ('true', 'false'): + return s == '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) + 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')) + + after = request.GET.get('after') + count = int(request.GET.get('count', 50)) + books = Book.objects.distinct().order_by('slug') if is_lektura is not None: books = books.filter(has_audience=is_lektura) if is_audiobook is not None: @@ -291,7 +349,49 @@ class FilterBooksHandler(AnonymousBooksHandler): 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) + 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, slug = after.split(key_sep, 1) + if which == 'title': + book_lists = [(books_title.filter(slug__gt=slug), 'title')] + else: # which == 'author' + book_lists = [(books_author.filter(slug__gt=slug), 'author'), (books_title, 'title')] + else: + book_lists = [(books_author, 'author'), (books_title, 'title')] + else: + if after and key_sep in after: + which, slug = after.split(key_sep, 1) + books = books.filter(slug__gt=slug) + book_lists = [(books, 'book')] + + filtered_books = [] + for book_list, label in book_lists: + book_list = book_list.only('slug', 'title', 'cover', 'cover_thumb') + 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)) + for book in book_list[:remaining_count]] + filtered_books += new_books + if len(filtered_books) == count: + break + + return QuerySetProxy(filtered_books) # add categorized tags fields for Book @@ -314,18 +414,18 @@ 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 @@ -335,6 +435,7 @@ def add_file_getters(): for book_format in Book.formats: setattr(BookDetails, book_format, _file_getter(book_format)) + add_file_getters() @@ -427,7 +528,7 @@ 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): @@ -443,11 +544,31 @@ 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') + before = request.GET.get('before') + 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 before: + tags = tags.filter(slug__lt=before) + + if count: + if before: + tags = list(reversed(tags.order_by('-slug')[:count])) + else: + tags = tags[:count] + + return tags class FragmentDetails(object): @@ -506,7 +627,7 @@ 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') @@ -532,3 +653,92 @@ class PictureHandler(BaseHandler): return rc.CREATED else: return rc.NOT_FOUND + + +class UserDataHandler(BaseHandler): + model = BookUserData + fields = ('state', 'username') + 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} + 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_tag_categories + [ + 'href', 'title', 'url', 'cover', 'cover_thumb', 'simple_thumb', 'slug', 'key'] + + def parse_bool(self, s): + if s in ('true', 'false'): + return s == 'true' + else: + return None + + def read(self, request, state): + if not request.user.is_authenticated(): + return rc.FORBIDDEN + if state not in ('reading', 'complete'): + return rc.NOT_FOUND + after = request.GET.get('after') + count = int(request.GET.get('count', 50)) + 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().order_by('slug') + if after: + books = books.filter(slug__gt=after) + if count: + books = books[:count] + return books + + +class BlogEntryHandler(BaseHandler): + model = Entry + fields = ('title', 'lead', 'body', 'place', 'time', 'image_url', 'gallery_urls', 'type', 'key') + + 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 entry.image.url if entry.image else None + + @classmethod + def gallery_urls(cls, entry): + return [photo.url() for photo in entry.photo_set.all()] + + @classmethod + def key(cls, entry): + return entry.first_published_at