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
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 [], []
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
@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):
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 ''
+
class BookDetailHandler(BaseHandler, BookDetails):
""" Main handler for Book objects.
"""
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
"""
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', 'simple_thumb', 'has_audio']
@classmethod
def genres(cls, book):
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
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)
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)
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]
- books = books.only('slug', 'title', 'cover')
-
- if books:
- return books
- else:
- return rc.NOT_FOUND
+ return books
def create(self, request, *args, **kwargs):
return rc.FORBIDDEN
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):
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):
+ 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', 'simple_thumb', 'has_audio', 'slug', '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'))
+
+ 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:
+ 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, 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
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
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
for book_format in Book.formats:
setattr(BookDetails, book_format, _file_getter(book_format))
+
add_file_getters()
"""
allowed_methods = ('GET',)
model = Tag
- fields = ['name', 'href', 'url']
+ fields = ['name', 'href', 'url', 'slug']
@piwik_track
def read(self, request, category=None, pk=None):
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):
"""
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')
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
fnp / wolnelektury.git / blobdiff