reusable index. first attempt at rich search query

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

diff --git a/apps/api/handlers.py b/apps/api/handlers.py
index 32a3ce3..8f06dea 100644 (file)
--- a/apps/api/handlers.py
+++ b/apps/api/handlers.py
@@ -3,19 +3,20 @@
 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
 
 from datetime import datetime, timedelta
 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
 
 from datetime import datetime, timedelta

+import json

 
 from django.conf import settings
 from django.contrib.sites.models import Site
 from django.core.urlresolvers import reverse
 
 from django.conf import settings
 from django.contrib.sites.models import Site
 from django.core.urlresolvers import reverse

-from django.http import Http404
-from django.shortcuts import get_object_or_404
-from piston.handler import BaseHandler
+from piston.handler import AnonymousBaseHandler, BaseHandler

 from piston.utils import rc
 
 from api.helpers import timestamp
 from api.models import Deleted
 from piston.utils import rc
 
 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
 

+from stats.utils import piwik_track

 
 API_BASE = WL_BASE = MEDIA_BASE = 'http://' + Site.objects.get_current().domain
 
 
 API_BASE = WL_BASE = MEDIA_BASE = 'http://' + Site.objects.get_current().domain
 


@@ -38,7 +39,7 @@ def read_tags(tags, allowed):
 
     :param str tags: a path of category and slug pairs, like: authors/an-author/...
     :returns: list of Tag objects
 
     :param str tags: a path of category and slug pairs, like: authors/an-author/...
     :returns: list of Tag objects

-    :raises: django.http.Http404
+    :raises: ValueError when tags can't be found

     """
     if not tags:
         return []
     """
     if not tags:
         return []


@@ -52,16 +53,19 @@ def read_tags(tags, allowed):
         try:
             category = category_singular[category]
         except KeyError:
         try:
             category = category_singular[category]
         except KeyError:

-            raise Http404
+            raise ValueError('Unknown category.')

 
         if not category in allowed:
 
         if not category in allowed:

-            raise Http404
+            raise ValueError('Category not allowed.')

 
         # !^%@#$^#!
         if category == 'book':
             slug = 'l-' + slug
 
 
         # !^%@#$^#!
         if category == 'book':
             slug = 'l-' + slug
 

-        real_tags.append(get_object_or_404(Tag, category=category, slug=slug))
+        try:
+            real_tags.append(Tag.objects.get(category=category, slug=slug))
+        except Tag.DoesNotExist:
+            raise ValueError('Tag not found')

     return real_tags
 
 
     return real_tags
 
 


@@ -89,17 +93,20 @@ class BookDetailHandler(BaseHandler):
 
     """
     allowed_methods = ['GET']
 
     """
     allowed_methods = ['GET']

-    fields = ['title', 'parent',
-        'xml', 'html', 'pdf', 'epub', 'txt',
+    fields = ['title', 'parent'] + Book.file_types + [

         'media', 'url'] + category_singular.keys()
 
         'media', 'url'] + category_singular.keys()
 

+    @piwik_track

     def read(self, request, slug):
         """ Returns details of a book, identified by a slug. """
 
     def read(self, request, slug):
         """ Returns details of a book, identified by a slug. """
 

-        return get_object_or_404(Book, slug=slug)
+        try:
+            return Book.objects.get(slug=slug)
+        except Book.DoesNotExist:
+            return rc.NOT_FOUND

 
 
 
 

-class BooksHandler(BaseHandler):
+class AnonymousBooksHandler(AnonymousBaseHandler):

     """ Main handler for Book objects.
 
     Responsible for lists of Book objects
     """ Main handler for Book objects.
 
     Responsible for lists of Book objects


@@ -123,6 +130,7 @@ class BooksHandler(BaseHandler):
 
         return WL_BASE + book.get_absolute_url()
 
 
         return WL_BASE + book.get_absolute_url()
 

+    @piwik_track

     def read(self, request, tags, top_level=False):
         """ Lists all books with given tags.
 
     def read(self, request, tags, top_level=False):
         """ Lists all books with given tags.
 


@@ -135,12 +143,44 @@ class BooksHandler(BaseHandler):
         tags = read_tags(tags, allowed=self.categories)
         if tags:
             if top_level:
         tags = read_tags(tags, allowed=self.categories)
         if tags:
             if top_level:

-                return Book.tagged_top_level(tags)
+                books = Book.tagged_top_level(tags)
+                return books if books else rc.NOT_FOUND

             else:
             else:

-                return Book.tagged.with_all(tags)
+                books = Book.tagged.with_all(tags)

         else:
         else:

-            return Book.objects.all()
+            books = Book.objects.all()
+
+        if books.exists():
+            return books
+        else:
+            return rc.NOT_FOUND

 
 

+    def create(self, request, tags, top_level=False):
+        return 'aaa'
+
+    @classmethod
+    def media(self, book):
+        """ Returns all media for a book. """
+
+        return book.media.all()
+
+
+class BooksHandler(BaseHandler):
+    model = Book
+    fields = ('slug', 'title')
+    anonymous = AnonymousBooksHandler
+
+    def create(self, request, tags, top_level=False):
+        if not request.user.has_perm('catalogue.add_book'):
+            return rc.FORBIDDEN
+
+        data = json.loads(request.POST.get('data'))
+        form = BookImportForm(data)
+        if form.is_valid():
+            form.save()
+            return rc.CREATED
+        else:
+            return rc.NOT_FOUND

 
 # add categorized tags fields for Book
 def _tags_getter(category):
 
 # add categorized tags fields for Book
 def _tags_getter(category):


@@ -162,7 +202,7 @@ def _file_getter(format):
         else:
             return ''
     return get_file
         else:
             return ''
     return get_file

-for format in ('xml', 'txt', 'html', 'epub', 'pdf'):
+for format in Book.file_types:

     setattr(BooksHandler, format, _file_getter(format))
 
 
     setattr(BooksHandler, format, _file_getter(format))
 
 


@@ -171,6 +211,7 @@ class TagDetailHandler(BaseHandler):
 
     fields = ['name', 'sort_key', 'description']
 
 
     fields = ['name', 'sort_key', 'description']
 

+    @piwik_track

     def read(self, request, category, slug):
         """ Returns details of a tag, identified by category and slug. """
 
     def read(self, request, category, slug):
         """ Returns details of a tag, identified by category and slug. """
 


@@ -179,7 +220,10 @@ class TagDetailHandler(BaseHandler):
         except KeyError, e:
             return rc.NOT_FOUND
 
         except KeyError, e:
             return rc.NOT_FOUND
 

-        return get_object_or_404(Tag, category=category_sng, slug=slug)
+        try:
+            return Tag.objects.get(category=category_sng, slug=slug)
+        except Tag.DoesNotExist:
+            return rc.NOT_FOUND

 
 
 class TagsHandler(BaseHandler):
 
 
 class TagsHandler(BaseHandler):


@@ -193,6 +237,7 @@ class TagsHandler(BaseHandler):
     model = Tag
     fields = ['name', 'href']
 
     model = Tag
     fields = ['name', 'href']
 

+    @piwik_track

     def read(self, request, category):
         """ Lists all tags in the category (eg. all themes). """
 
     def read(self, request, category):
         """ Lists all tags in the category (eg. all themes). """
 


@@ -201,7 +246,13 @@ class TagsHandler(BaseHandler):
         except KeyError, e:
             return rc.NOT_FOUND
 
         except KeyError, e:
             return rc.NOT_FOUND
 

-        return Tag.objects.filter(category=category_sng)
+        tags = Tag.objects.filter(category=category_sng)
+        tags = [t for t in tags if t.get_count() > 0]
+        if tags:
+            return tags
+        else:
+            return rc.NOT_FOUND
+

 
     @classmethod
     def href(cls, tag):
 
     @classmethod
     def href(cls, tag):


@@ -213,10 +264,14 @@ class TagsHandler(BaseHandler):
 class FragmentDetailHandler(BaseHandler):
     fields = ['book', 'anchor', 'text', 'url', 'themes']
 
 class FragmentDetailHandler(BaseHandler):
     fields = ['book', 'anchor', 'text', 'url', 'themes']
 

+    @piwik_track

     def read(self, request, slug, anchor):
         """ Returns details of a fragment, identified by book slug and anchor. """
 
     def read(self, request, slug, anchor):
         """ Returns details of a fragment, identified by book slug and anchor. """
 

-        return get_object_or_404(Fragment, book__slug=slug, anchor=anchor)
+        try:
+            return Fragment.objects.get(book__slug=slug, anchor=anchor)
+        except Fragment.DoesNotExist:
+            return rc.NOT_FOUND

 
 
 class FragmentsHandler(BaseHandler):
 
 
 class FragmentsHandler(BaseHandler):


@@ -232,6 +287,7 @@ class FragmentsHandler(BaseHandler):
 
     categories = set(['author', 'epoch', 'kind', 'genre', 'book', 'theme'])
 
 
     categories = set(['author', 'epoch', 'kind', 'genre', 'book', 'theme'])
 

+    @piwik_track

     def read(self, request, tags):
         """ Lists all fragments with given book, tags, themes.
 
     def read(self, request, tags):
         """ Lists all fragments with given book, tags, themes.
 


@@ -240,7 +296,11 @@ class FragmentsHandler(BaseHandler):
 
         """
         tags = read_tags(tags, allowed=self.categories)
 
         """
         tags = read_tags(tags, allowed=self.categories)

-        return Fragment.tagged.with_all(tags).select_related('book')
+        fragments = Fragment.tagged.with_all(tags).select_related('book')
+        if fragments.exists():
+            return fragments
+        else:
+            return rc.NOT_FOUND

 
     @classmethod
     def href(cls, fragment):
 
     @classmethod
     def href(cls, fragment):


@@ -292,16 +352,16 @@ class CatalogueHandler(BaseHandler):
 
     @staticmethod
     def book_dict(book, fields=None):
 
     @staticmethod
     def book_dict(book, fields=None):

-        all_fields = ('url', 'title', 'description',
+        all_fields = ['url', 'title', 'description',

                       'gazeta_link', 'wiki_link',
                       'gazeta_link', 'wiki_link',

-                      'xml', 'epub', 'txt', 'pdf', 'html',
+                      ] + Book.file_types + [

                       'mp3', 'ogg', 'daisy',
                       'parent', 'parent_number',
                       'tags',
                       'license', 'license_description', 'source_name',
                       'technical_editors', 'editors',
                       'author', 'sort_key',
                       'mp3', 'ogg', 'daisy',
                       '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:
         if fields:
             fields = (f for f in fields if f in all_fields)
         else:


@@ -312,7 +372,7 @@ class CatalogueHandler(BaseHandler):
         obj = {}
         for field in fields:
 
         obj = {}
         for field in fields:
 

-            if field in ('xml', 'epub', 'txt', 'pdf', 'html'):
+            if field in Book.file_types:

                 f = getattr(book, field+'_file')
                 if f:
                     obj[field] = {
                 f = getattr(book, field+'_file')
                 if f:
                     obj[field] = {


@@ -493,6 +553,7 @@ class CatalogueHandler(BaseHandler):
 class BookChangesHandler(CatalogueHandler):
     allowed_methods = ('GET',)
 
 class BookChangesHandler(CatalogueHandler):
     allowed_methods = ('GET',)
 

+    @piwik_track

     def read(self, request, since):
         return self.book_changes(request, since)
 
     def read(self, request, since):
         return self.book_changes(request, since)
 


@@ -500,6 +561,7 @@ class BookChangesHandler(CatalogueHandler):
 class TagChangesHandler(CatalogueHandler):
     allowed_methods = ('GET',)
 
 class TagChangesHandler(CatalogueHandler):
     allowed_methods = ('GET',)
 

+    @piwik_track

     def read(self, request, since):
         return self.tag_changes(request, since)
 
     def read(self, request, since):
         return self.tag_changes(request, since)
 


@@ -507,5 +569,6 @@ class TagChangesHandler(CatalogueHandler):
 class ChangesHandler(CatalogueHandler):
     allowed_methods = ('GET',)
 
 class ChangesHandler(CatalogueHandler):
     allowed_methods = ('GET',)
 

+    @piwik_track

     def read(self, request, since):
         return self.changes(request, since)
     def read(self, request, since):
         return self.changes(request, since)