use newest librarian

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

diff --git a/apps/api/handlers.py b/apps/api/handlers.py
index 0255c05..da5c0ed 100644 (file)
--- a/apps/api/handlers.py
+++ b/apps/api/handlers.py
@@ -4,6 +4,7 @@
 
 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.conf import settings
 from django.contrib.sites.models import Site


@@ -11,11 +12,12 @@ 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 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 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 picture.models import Picture
 from picture.forms import PictureImportForm
 
 from picture.models import Picture
 from picture.forms import PictureImportForm
 


@@ -82,7 +84,7 @@ class BookMediaHandler(BaseHandler):
     """ Responsible for representing media in Books. """
 
     model = BookMedia
     """ Responsible for representing media in Books. """
 
     model = BookMedia

-    fields = ['name', 'type', 'url']
+    fields = ['name', 'type', 'url', 'artist', 'director']

 
     @classmethod
     def url(cls, media):
 
     @classmethod
     def url(cls, media):


@@ -90,14 +92,19 @@ class BookMediaHandler(BaseHandler):
 
         return MEDIA_BASE + media.file.url
 
 
         return MEDIA_BASE + media.file.url
 

+    @classmethod
+    def artist(cls, media):
+        return media.extra_info.get('artist_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.name for t in book.tags.filter(category='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. """


@@ -111,16 +118,24 @@ class BookDetails(object):
 
     @classmethod
     def children(cls, book):
 
     @classmethod
     def children(cls, book):

-        """ Returns all media for a book. """
+        """ Returns all children for a book. """

 
         return book.children.all()
 
     @classmethod
     def media(cls, book):
         """ Returns all media for a book. """
 
         return book.children.all()
 
     @classmethod
     def media(cls, book):
         """ Returns all media for a book. """

-

         return book.media.all()
 
         return book.media.all()
 

+    @classmethod
+    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):
 
 
 class BookDetailHandler(BaseHandler, BookDetails):


@@ -130,7 +145,8 @@ class BookDetailHandler(BaseHandler, BookDetails):
     """
     allowed_methods = ['GET']
     fields = ['title', 'parent', 'children'] + Book.formats + [
     """
     allowed_methods = ['GET']
     fields = ['title', 'parent', 'children'] + Book.formats + [

-        'media', 'url'] + book_tag_categories
+        'media', 'url', 'cover', 'cover_thumb'] + [
+            category_plural[c] for c in book_tag_categories]

 
     @piwik_track
     def read(self, request, book):
 
     @piwik_track
     def read(self, request, book):


@@ -148,10 +164,16 @@ class AnonymousBooksHandler(AnonymousBaseHandler, BookDetails):
     """
     allowed_methods = ('GET',)
     model = Book
     """
     allowed_methods = ('GET',)
     model = Book

-    fields = ['author', 'href', 'title', 'url']
+    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
 
     @piwik_track

-    def read(self, request, tags, top_level=False):
+    def read(self, request, tags, top_level=False,
+                audiobooks=False, daisy=False):

         """ Lists all books with given tags.
 
         :param tags: filtering tags; should be a path of categories
         """ Lists all books with given tags.
 
         :param tags: filtering tags; should be a path of categories


@@ -171,26 +193,32 @@ class AnonymousBooksHandler(AnonymousBaseHandler, BookDetails):
                 return books if books else rc.NOT_FOUND
             else:
                 books = Book.tagged.with_all(tags)
                 return books if books else rc.NOT_FOUND
             else:
                 books = Book.tagged.with_all(tags)

-        elif top_level:
-            books = Book.objects.filter(parent=None)

         else:
             books = Book.objects.all()
         else:
             books = Book.objects.all()

+            
+        if top_level:
+            books = books.filter(parent=None)
+        if audiobooks:
+            books = books.filter(media__type='mp3').distinct()
+        if daisy:
+            books = books.filter(media__type='daisy').distinct()

 
         if books.exists():
             return books
         else:
             return rc.NOT_FOUND
 
 
         if books.exists():
             return books
         else:
             return rc.NOT_FOUND
 

-    def create(self, request, tags, top_level=False):
+    def create(self, request, *args, **kwargs):

         return rc.FORBIDDEN
 
 
 class BooksHandler(BookDetailHandler):
         return rc.FORBIDDEN
 
 
 class BooksHandler(BookDetailHandler):

+    allowed_methods = ('GET', 'POST')

     model = Book
     model = Book

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

     anonymous = AnonymousBooksHandler
 
     anonymous = AnonymousBooksHandler
 

-    def create(self, request, tags, top_level=False):
+    def create(self, request, *args, **kwargs):

         if not request.user.has_perm('catalogue.add_book'):
             return rc.FORBIDDEN
 
         if not request.user.has_perm('catalogue.add_book'):
             return rc.FORBIDDEN
 


@@ -203,14 +231,24 @@ class BooksHandler(BookDetailHandler):
             return rc.NOT_FOUND
 
 
             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
 # 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(t[0] 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):


@@ -227,6 +265,52 @@ 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):
+        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."""
 
 class TagDetails(object):
     """Custom Tag fields."""
 


@@ -389,7 +473,7 @@ class CatalogueHandler(BaseHandler):
     def book_dict(book, fields=None):
         all_fields = ['url', 'title', 'description',
                       'gazeta_link', 'wiki_link',
     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',
                       'parent', 'parent_number',
                       'tags',
                       'license', 'license_description', 'source_name',


@@ -401,7 +485,7 @@ class CatalogueHandler(BaseHandler):
         else:
             fields = all_fields
 
         else:
             fields = all_fields
 

-        extra_info = book.get_extra_info_value()
+        extra_info = book.extra_info

 
         obj = {}
         for field in fields:
 
         obj = {}
         for field in fields:


@@ -416,7 +500,7 @@ class CatalogueHandler(BaseHandler):
 
             elif field in BookMedia.formats:
                 media = []
 
             elif field in BookMedia.formats:
                 media = []

-                for m in book.media.filter(type=field):
+                for m in book.media.filter(type=field).iterator():

                     media.append({
                         'url': m.file.url,
                         'size': m.file.size,
                     media.append({
                         'url': m.file.url,
                         'size': m.file.size,


@@ -428,10 +512,10 @@ class CatalogueHandler(BaseHandler):
                 obj[field] = book.get_absolute_url()
 
             elif field == 'tags':
                 obj[field] = book.get_absolute_url()
 
             elif field == 'tags':

-                obj[field] = [t.id for t in book.tags.exclude(category__in=('book', 'set'))]
+                obj[field] = [t.id for t in book.tags.exclude(category__in=('book', 'set')).iterator()]

 
             elif field == 'author':
 
             elif field == 'author':

-                obj[field] = ", ".join(t.name for t in book.tags.filter(category='author'))
+                obj[field] = ", ".join(t.name for t in book.tags.filter(category='author').iterator())

 
             elif field == 'parent':
                 obj[field] = book.parent_id
 
             elif field == 'parent':
                 obj[field] = book.parent_id


@@ -468,7 +552,7 @@ class CatalogueHandler(BaseHandler):
 
         last_change = since
         for book in Book.objects.filter(changed_at__gte=since,
 
         last_change = since
         for book in Book.objects.filter(changed_at__gte=since,

-                    changed_at__lt=until):
+                    changed_at__lt=until).iterator():

             book_d = cls.book_dict(book, fields)
             updated.append(book_d)
         if updated:
             book_d = cls.book_dict(book, fields)
             updated.append(book_d)
         if updated:


@@ -477,7 +561,7 @@ class CatalogueHandler(BaseHandler):
         for book in Deleted.objects.filter(content_type=Book, 
                     deleted_at__gte=since,
                     deleted_at__lt=until,
         for book in Deleted.objects.filter(content_type=Book, 
                     deleted_at__gte=since,
                     deleted_at__lt=until,

-                    created_at__lt=since):
+                    created_at__lt=since).iterator():

             deleted.append(book.id)
         if deleted:
             changes['deleted'] = deleted
             deleted.append(book.id)
         if deleted:
             changes['deleted'] = deleted


@@ -503,7 +587,7 @@ class CatalogueHandler(BaseHandler):
                 obj[field] = tag.get_absolute_url()
 
             elif field == 'books':
                 obj[field] = tag.get_absolute_url()
 
             elif field == 'books':

-                obj[field] = [b.id for b in Book.tagged_top_level([tag])]
+                obj[field] = [b.id for b in Book.tagged_top_level([tag]).iterator()]

 
             elif field == 'sort_key':
                 obj[field] = tag.sort_key
 
             elif field == 'sort_key':
                 obj[field] = tag.sort_key


@@ -541,7 +625,7 @@ class CatalogueHandler(BaseHandler):
 
         for tag in Tag.objects.filter(category__in=categories, 
                     changed_at__gte=since,
 
         for tag in Tag.objects.filter(category__in=categories, 
                     changed_at__gte=since,

-                    changed_at__lt=until):
+                    changed_at__lt=until).iterator():

             # only serve non-empty tags
             if tag.book_count:
                 tag_d = cls.tag_dict(tag, fields)
             # only serve non-empty tags
             if tag.book_count:
                 tag_d = cls.tag_dict(tag, fields)


@@ -555,7 +639,7 @@ class CatalogueHandler(BaseHandler):
                 content_type=Tag, 
                     deleted_at__gte=since,
                     deleted_at__lt=until,
                 content_type=Tag, 
                     deleted_at__gte=since,
                     deleted_at__lt=until,

-                    created_at__lt=since):
+                    created_at__lt=since).iterator():

             deleted.append(tag.id)
         if deleted:
             changes['deleted'] = deleted
             deleted.append(tag.id)
         if deleted:
             changes['deleted'] = deleted