from django.contrib.sites.models import Site
from django.core.urlresolvers import reverse
-from django.db.models import Prefetch
from django.utils.functional import lazy
from piston.handler import AnonymousBaseHandler, BaseHandler
from piston.utils import rc
from catalogue.forms import BookImportForm
from catalogue.models import Book, Tag, BookMedia, Fragment, Collection
-from catalogue.models.tag import TagRelation
+from catalogue.models.tag import prefetch_relations
from picture.models import Picture
from picture.forms import PictureImportForm
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
return MEDIA_BASE + default.backend.get_thumbnail(
book.cover, "139x193").url if book.cover else ''
+ @classmethod
+ def cover_source_image(cls, book):
+ url = book.cover_source()
+ return url.rstrip('/') + '/file/'
+
class BookDetailHandler(BaseHandler, BookDetails):
""" Main handler for Book objects.
"""
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):
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 = books.prefetch_related(
- Prefetch(
- 'tag_relations',
- queryset=TagRelation.objects.filter(tag__category=category)
- .select_related('tag').only('tag__name_pl', 'object_id'),
- to_attr='%s_relations' % category))
-
- if books:
- return books
- else:
- return rc.NOT_FOUND
+ books = prefetch_relations(books, category)
+
+ if count:
+ if before:
+ books = list(reversed(books.order_by('-slug')[:count]))
+ else:
+ books = books[:count]
+
+ 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):
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', 'cover_source_image', 'fragment_data']
+
+ def read(self, request, title_part=None, author_part=None, is_lektura=None, is_audiobook=None,
+ after=None, before=None, count=None):
+ if 'title_part' in request.GET:
+ title_part = request.GET['title_part']
+ if 'author_part' in request.GET:
+ author_part = request.GET['author_part']
+ if 'is_lektura' in request.GET:
+ is_lektura = request.GET['is_lektura']
+ if 'is_audiobook' in request.GET:
+ is_audiobook = request.GET['is_audiobook']
+
+ 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
def _tag_getter(category):
@classmethod
def get_tag(cls, book):
- if hasattr(book, '%s_relations' % category):
- return ', '.join(rel.tag.name for rel in getattr(book, '%s_relations' % category))
- return ', '.join(book.tags.filter(category=category).values_list('name', flat=True))
+ return book.tag_unicode(category)
return get_tag
"""
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')
+
+ 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):
fnp / wolnelektury.git / blobdiff