Simple upgrades.

[wolnelektury.git] / apps / api / handlers.py

diff --git a/apps/api/handlers.py b/apps/api/handlers.py
index dbe905b..e1792af 100644 (file)
--- a/apps/api/handlers.py
+++ b/apps/api/handlers.py
@@ -1,15 +1,16 @@
 # -*- coding: utf-8 -*-
 # This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
 # -*- coding: utf-8 -*-
 # This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.

-
+#

 from datetime import datetime, timedelta
 import json
 from datetime import datetime, timedelta
 import json

-from urlparse import urljoin

 
 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 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 django.utils.functional import lazy
+from django.utils.timezone import utc

 from piston.handler import AnonymousBaseHandler, BaseHandler
 from piston.utils import rc
 from sorl.thumbnail import default
 from piston.handler import AnonymousBaseHandler, BaseHandler
 from piston.utils import rc
 from sorl.thumbnail import default


@@ -17,13 +18,16 @@ from sorl.thumbnail import default
 from api.helpers import timestamp
 from api.models import Deleted
 from catalogue.forms import BookImportForm
 from api.helpers import timestamp
 from api.models import Deleted
 from catalogue.forms import BookImportForm

-from catalogue.models import Book, Tag, BookMedia, Fragment
+from catalogue.models import Book, Tag, BookMedia, Fragment, Collection
+from catalogue.utils import related_tag_name

 from picture.models import Picture
 from picture.forms import PictureImportForm
 from picture.models import Picture
 from picture.forms import PictureImportForm

+from wolnelektury.utils import tz

 
 from stats.utils import piwik_track
 
 
 from stats.utils import piwik_track
 

-API_BASE = WL_BASE = MEDIA_BASE = 'http://' + Site.objects.get_current().domain
+API_BASE = WL_BASE = MEDIA_BASE = lazy(
+    lambda: u'http://' + Site.objects.get_current().domain, unicode)()

 
 
 category_singular = {
 
 
 category_singular = {


@@ -34,7 +38,7 @@ category_singular = {
     'themes': 'theme',
     'books': 'book',
 }
     'themes': 'theme',
     'books': 'book',
 }

-category_plural={}
+category_plural = {}

 for k, v in category_singular.items():
     category_plural[v] = k
 
 for k, v in category_singular.items():
     category_plural[v] = k
 


@@ -99,16 +103,11 @@ class BookMediaHandler(BaseHandler):
     @classmethod
     def director(cls, media):
         return media.extra_info.get('director_name', '')
     @classmethod
     def director(cls, media):
         return media.extra_info.get('director_name', '')

-        

 
 
 class BookDetails(object):
     """Custom fields used for representing Books."""
 
 
 
 class BookDetails(object):
     """Custom fields used for representing Books."""
 

-    @classmethod
-    def author(cls, book):
-        return ",".join(t[0] for t in book.related_info()['tags'].get('author', []))
-

     @classmethod
     def href(cls, book):
         """ Returns an URI for a Book in the API. """
     @classmethod
     def href(cls, book):
         """ Returns an URI for a Book in the API. """


@@ -168,7 +167,12 @@ class AnonymousBooksHandler(AnonymousBaseHandler, BookDetails):
     """
     allowed_methods = ('GET',)
     model = Book
     """
     allowed_methods = ('GET',)
     model = Book

-    fields = ['author', 'href', 'title', 'url', 'cover']
+    fields = book_tag_categories + ['href', 'title', 'url', 'cover', 'cover_thumb']
+
+    @classmethod
+    def genres(cls, book):
+        """ Returns all media for a book. """
+        return book.tags.filter(category='genre')

 
     @piwik_track
     def read(self, request, tags, top_level=False,
 
     @piwik_track
     def read(self, request, tags, top_level=False,


@@ -194,7 +198,7 @@ class AnonymousBooksHandler(AnonymousBaseHandler, BookDetails):
                 books = Book.tagged.with_all(tags)
         else:
             books = Book.objects.all()
                 books = Book.tagged.with_all(tags)
         else:
             books = Book.objects.all()

-            
+

         if top_level:
             books = books.filter(parent=None)
         if audiobooks:
         if top_level:
             books = books.filter(parent=None)
         if audiobooks:


@@ -214,7 +218,7 @@ class AnonymousBooksHandler(AnonymousBaseHandler, BookDetails):
 class BooksHandler(BookDetailHandler):
     allowed_methods = ('GET', 'POST')
     model = Book
 class BooksHandler(BookDetailHandler):
     allowed_methods = ('GET', 'POST')
     model = Book

-    fields = ['author', 'href', 'title', 'url']
+    fields = book_tag_categories + ['href', 'title', 'url', 'cover', 'cover_thumb']

     anonymous = AnonymousBooksHandler
 
     def create(self, request, *args, **kwargs):
     anonymous = AnonymousBooksHandler
 
     def create(self, request, *args, **kwargs):


@@ -240,8 +244,14 @@ def _tags_getter(category):
     def get_tags(cls, book):
         return book.tags.filter(category=category)
     return get_tags
     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(related_tag_name(t) for t in book.related_info()['tags'].get(category, []))
+    return get_tag

 for plural, singular in category_singular.items():
     setattr(BookDetails, plural, _tags_getter(singular))
 for plural, singular in category_singular.items():
     setattr(BookDetails, plural, _tags_getter(singular))

+    setattr(BookDetails, singular, _tag_getter(singular))

 
 # add fields for files in Book
 def _file_getter(format):
 
 # add fields for files in Book
 def _file_getter(format):


@@ -258,6 +268,51 @@ for format in Book.formats:
     setattr(BookDetails, format, _file_getter(format))
 
 
     setattr(BookDetails, format, _file_getter(format))
 
 

+class CollectionDetails(object):
+    """Custom Collection fields."""
+
+    @classmethod
+    def href(cls, collection):
+        """ Returns URI in the API for the collection. """
+
+        return API_BASE + reverse("api_collection", args=[collection.slug])
+
+    @classmethod
+    def url(cls, collection):
+        """ Returns URL on the site. """
+
+        return WL_BASE + collection.get_absolute_url()
+
+    @classmethod
+    def books(cls, collection):
+        return Book.objects.filter(collection.get_query())
+
+
+
+class CollectionDetailHandler(BaseHandler, CollectionDetails):
+    allowed_methods = ('GET',)
+    fields = ['url', 'title', 'description', 'books']
+
+    @piwik_track
+    def read(self, request, slug):
+        """ Returns details of a collection, identified by slug. """
+        try:
+            return Collection.objects.get(slug=slug)
+        except Collection.DoesNotExist:
+            return rc.NOT_FOUND
+
+
+class CollectionsHandler(BaseHandler, CollectionDetails):
+    allowed_methods = ('GET',)
+    model = Collection
+    fields = ['url', 'href', 'title']
+
+    @piwik_track
+    def read(self, request):
+        """ Returns all collections. """
+        return Collection.objects.all()
+
+

 class TagDetails(object):
     """Custom Tag fields."""
 
 class TagDetails(object):
     """Custom Tag fields."""
 


@@ -328,7 +383,7 @@ class FragmentDetails(object):
     def href(cls, fragment):
         """ Returns URI in the API for the fragment. """
 
     def href(cls, fragment):
         """ Returns URI in the API for the fragment. """
 

-        return API_BASE + reverse("api_fragment", 
+        return API_BASE + reverse("api_fragment",

             args=[fragment.book.slug, fragment.anchor])
 
     @classmethod
             args=[fragment.book.slug, fragment.anchor])
 
     @classmethod


@@ -412,7 +467,7 @@ class CatalogueHandler(BaseHandler):
         """
         # set to five minutes ago, to avoid concurrency issues
         if t is None:
         """
         # set to five minutes ago, to avoid concurrency issues
         if t is None:

-            t = datetime.now() - timedelta(seconds=settings.API_WAIT)
+            t = datetime.utcnow().replace(tzinfo=utc) - timedelta(seconds=settings.API_WAIT)

         # set to whole second in case DB supports something smaller
         return t.replace(microsecond=0)
 
         # set to whole second in case DB supports something smaller
         return t.replace(microsecond=0)
 


@@ -483,7 +538,7 @@ class CatalogueHandler(BaseHandler):
 
     @classmethod
     def book_changes(cls, request=None, since=0, until=None, fields=None):
 
     @classmethod
     def book_changes(cls, request=None, since=0, until=None, fields=None):

-        since = datetime.fromtimestamp(int(since))
+        since = datetime.fromtimestamp(int(since), tz)

         until = cls.until(until)
 
         changes = {
         until = cls.until(until)
 
         changes = {


@@ -505,7 +560,7 @@ class CatalogueHandler(BaseHandler):
         if updated:
             changes['updated'] = updated
 
         if updated:
             changes['updated'] = updated
 

-        for book in Deleted.objects.filter(content_type=Book, 
+        for book in Deleted.objects.filter(content_type=Book,

                     deleted_at__gte=since,
                     deleted_at__lt=until,
                     created_at__lt=since).iterator():
                     deleted_at__gte=since,
                     deleted_at__lt=until,
                     created_at__lt=since).iterator():


@@ -549,7 +604,7 @@ class CatalogueHandler(BaseHandler):
 
     @classmethod
     def tag_changes(cls, request=None, since=0, until=None, fields=None, categories=None):
 
     @classmethod
     def tag_changes(cls, request=None, since=0, until=None, fields=None, categories=None):

-        since = datetime.fromtimestamp(int(since))
+        since = datetime.fromtimestamp(int(since), tz)

         until = cls.until(until)
 
         changes = {
         until = cls.until(until)
 
         changes = {


@@ -570,7 +625,7 @@ class CatalogueHandler(BaseHandler):
         updated = []
         deleted = []
 
         updated = []
         deleted = []
 

-        for tag in Tag.objects.filter(category__in=categories, 
+        for tag in Tag.objects.filter(category__in=categories,

                     changed_at__gte=since,
                     changed_at__lt=until).iterator():
             # only serve non-empty tags
                     changed_at__gte=since,
                     changed_at__lt=until).iterator():
             # only serve non-empty tags


@@ -583,7 +638,7 @@ class CatalogueHandler(BaseHandler):
             changes['updated'] = updated
 
         for tag in Deleted.objects.filter(category__in=categories,
             changes['updated'] = updated
 
         for tag in Deleted.objects.filter(category__in=categories,

-                content_type=Tag, 
+                content_type=Tag,

                     deleted_at__gte=since,
                     deleted_at__lt=until,
                     created_at__lt=since).iterator():
                     deleted_at__gte=since,
                     deleted_at__lt=until,
                     created_at__lt=since).iterator():