Custom cover support in Librarian.

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

diff --git a/apps/api/handlers.py b/apps/api/handlers.py
index 91a3f4b..b436024 100644 (file)
--- a/apps/api/handlers.py
+++ b/apps/api/handlers.py
@@ -12,11 +12,13 @@ from django.core.cache import get_cache
 from django.core.urlresolvers import reverse
 from piston.handler import AnonymousBaseHandler, BaseHandler
 from piston.utils import rc
+from sorl.thumbnail import default
 
 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
 
@@ -104,10 +106,6 @@ class BookMediaHandler(BaseHandler):
 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']['author'])
-
     @classmethod
     def href(cls, book):
         """ Returns an URI for a Book in the API. """
@@ -134,6 +132,11 @@ class BookDetails(object):
     def cover(cls, book):
         return MEDIA_BASE + book.cover.url if book.cover else ''
 
+    @classmethod
+    def cover_thumb(cls, book):
+        return MEDIA_BASE + default.backend.get_thumbnail(
+                    book.cover, "139x193").url if book.cover else ''
+
 
 
 class BookDetailHandler(BaseHandler, BookDetails):
@@ -143,7 +146,7 @@ class BookDetailHandler(BaseHandler, BookDetails):
     """
     allowed_methods = ['GET']
     fields = ['title', 'parent', 'children'] + Book.formats + [
-        'media', 'url', 'cover'] + [
+        'media', 'url', 'cover', 'cover_thumb'] + [
             category_plural[c] for c in book_tag_categories]
 
     @piwik_track
@@ -162,7 +165,12 @@ class AnonymousBooksHandler(AnonymousBaseHandler, BookDetails):
     """
     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,
@@ -192,9 +200,9 @@ class AnonymousBooksHandler(AnonymousBaseHandler, BookDetails):
         if top_level:
             books = books.filter(parent=None)
         if audiobooks:
-            books = books.filter(media__type='mp3')
+            books = books.filter(media__type='mp3').distinct()
         if daisy:
-            books = books.filter(media__type='daisy')
+            books = books.filter(media__type='daisy').distinct()
 
         if books.exists():
             return books
@@ -208,7 +216,7 @@ class AnonymousBooksHandler(AnonymousBaseHandler, BookDetails):
 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):
@@ -224,14 +232,24 @@ class BooksHandler(BookDetailHandler):
             return rc.NOT_FOUND
 
 
+class EBooksHandler(AnonymousBooksHandler):
+    fields = ('author', 'href', 'title', 'cover') + tuple(Book.ebook_formats)
+
+
 # add categorized tags fields for Book
 def _tags_getter(category):
     @classmethod
     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))
+    setattr(BookDetails, singular, _tag_getter(singular))
 
 # add fields for files in Book
 def _file_getter(format):
@@ -248,6 +266,52 @@ for format in Book.formats:
     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):
+        print 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."""
 
@@ -410,7 +474,7 @@ class CatalogueHandler(BaseHandler):
     def book_dict(book, fields=None):
         all_fields = ['url', 'title', 'description',
                       'gazeta_link', 'wiki_link',
-                      ] + Book.formats + BookMedia.formats + [
+                      ] + Book.formats + BookMedia.formats.keys() + [
                       'parent', 'parent_number',
                       'tags',
                       'license', 'license_description', 'source_name',