X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/92ff4af75a2e0defd8989e6b29e39196f790d16c..440ce853b0c97ec356c27bbef6ef500f8feb6197:/apps/api/handlers.py diff --git a/apps/api/handlers.py b/apps/api/handlers.py index 41b5ac6f9..fddff7407 100644 --- a/apps/api/handlers.py +++ b/apps/api/handlers.py @@ -7,6 +7,7 @@ import json from django.conf import settings from django.contrib.sites.models import Site +from django.core.cache import get_cache from django.core.urlresolvers import reverse from piston.handler import AnonymousBaseHandler, BaseHandler from piston.utils import rc @@ -15,6 +16,8 @@ from api.helpers import timestamp from api.models import Deleted from catalogue.forms import BookImportForm from catalogue.models import Book, Tag, BookMedia, Fragment +from picture.models import Picture +from picture.forms import PictureImportForm from stats.utils import piwik_track @@ -93,14 +96,12 @@ class BookDetailHandler(BaseHandler): """ allowed_methods = ['GET'] - fields = ['title', 'parent', - 'xml', 'html', 'pdf', 'epub', 'txt', + fields = ['title', 'parent'] + Book.formats + [ 'media', 'url'] + category_singular.keys() @piwik_track def read(self, request, slug): - """ Returns details of a book, identified by a slug. """ - + """ Returns details of a book, identified by a slug and lang. """ try: return Book.objects.get(slug=slug) except Book.DoesNotExist: @@ -203,7 +204,7 @@ def _file_getter(format): else: return '' return get_file -for format in ('xml', 'txt', 'html', 'epub', 'pdf'): +for format in Book.formats: setattr(BooksHandler, format, _file_getter(format)) @@ -247,9 +248,8 @@ class TagsHandler(BaseHandler): except KeyError, e: return rc.NOT_FOUND - tags = Tag.objects.filter(category=category_sng) - tags = [t for t in tags if t.get_count() > 0] - if tags: + tags = Tag.objects.filter(category=category_sng).exclude(book_count=0) + if tags.exists(): return tags else: return rc.NOT_FOUND @@ -268,7 +268,6 @@ class FragmentDetailHandler(BaseHandler): @piwik_track def read(self, request, slug, anchor): """ Returns details of a fragment, identified by book slug and anchor. """ - try: return Fragment.objects.get(book__slug=slug, anchor=anchor) except Fragment.DoesNotExist: @@ -307,7 +306,8 @@ class FragmentsHandler(BaseHandler): 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): @@ -353,16 +353,15 @@ class CatalogueHandler(BaseHandler): @staticmethod def book_dict(book, fields=None): - all_fields = ('url', 'title', 'description', + all_fields = ['url', 'title', 'description', 'gazeta_link', 'wiki_link', - 'xml', 'epub', 'txt', 'pdf', 'html', - 'mp3', 'ogg', 'daisy', + ] + Book.formats + BookMedia.formats + [ 'parent', 'parent_number', 'tags', 'license', 'license_description', 'source_name', 'technical_editors', 'editors', 'author', 'sort_key', - ) + ] if fields: fields = (f for f in fields if f in all_fields) else: @@ -373,7 +372,7 @@ class CatalogueHandler(BaseHandler): obj = {} for field in fields: - if field in ('xml', 'epub', 'txt', 'pdf', 'html'): + if field in Book.formats: f = getattr(book, field+'_file') if f: obj[field] = { @@ -381,7 +380,7 @@ class CatalogueHandler(BaseHandler): 'size': f.size, } - elif field in ('mp3', 'ogg', 'daisy'): + elif field in BookMedia.formats: media = [] for m in book.media.filter(type=field): media.append({ @@ -510,7 +509,7 @@ class CatalogueHandler(BaseHandler): changed_at__gte=since, changed_at__lt=until): # only serve non-empty tags - if tag.get_count(): + if tag.book_count: tag_d = cls.tag_dict(tag, fields) updated.append(tag_d) elif tag.created_at < since: @@ -533,6 +532,16 @@ class CatalogueHandler(BaseHandler): def changes(cls, request=None, since=0, until=None, book_fields=None, tag_fields=None, tag_categories=None): until = cls.until(until) + since = int(since) + + if not since: + cache = get_cache('api') + key = hash((book_fields, tag_fields, tag_categories, + tuple(sorted(request.GET.items())) + )) + value = cache.get(key) + if value is not None: + return value changes = { 'time_checked': timestamp(until) @@ -548,6 +557,10 @@ class CatalogueHandler(BaseHandler): if field == 'time_checked': continue changes.setdefault(field, {})[model] = changes_by_type[model][field] + + if not since: + cache.set(key, changes) + return changes @@ -573,3 +586,21 @@ class ChangesHandler(CatalogueHandler): @piwik_track def read(self, request, since): return self.changes(request, since) + + +class PictureHandler(BaseHandler): + model = Picture + fields = ('slug', 'title') + allowed_methods = ('POST',) + + def create(self, request): + if not request.user.has_perm('picture.add_picture'): + return rc.FORBIDDEN + + data = json.loads(request.POST.get('data')) + form = PictureImportForm(data) + if form.is_valid(): + form.save() + return rc.CREATED + else: + return rc.NOT_FOUND