fix parent PDF creation, add test

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

diff --git a/apps/api/handlers.py b/apps/api/handlers.py
index 32a3ce3..9bb8900 100644 (file)
--- a/apps/api/handlers.py
+++ b/apps/api/handlers.py
@@ -3,17 +3,17 @@
 # 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.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 catalogue.forms import BookImportForm
 from catalogue.models import Book, Tag, BookMedia, Fragment
 
 
@@ -38,7 +38,7 @@ def read_tags(tags, allowed):
 
     :param str tags: a path of category and slug pairs, like: authors/an-author/...
     :returns: list of Tag objects
-    :raises: django.http.Http404
+    :raises: ValueError when tags can't be found
     """
     if not tags:
         return []
@@ -52,16 +52,19 @@ def read_tags(tags, allowed):
         try:
             category = category_singular[category]
         except KeyError:
-            raise Http404
+            raise ValueError('Unknown category.')
 
         if not category in allowed:
-            raise Http404
+            raise ValueError('Category not allowed.')
 
         # !^%@#$^#!
         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
 
 
@@ -96,10 +99,13 @@ class BookDetailHandler(BaseHandler):
     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
@@ -135,12 +141,44 @@ class BooksHandler(BaseHandler):
         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:
-                return Book.tagged.with_all(tags)
+                books = Book.tagged.with_all(tags)
         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):
@@ -179,7 +217,10 @@ class TagDetailHandler(BaseHandler):
         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):
@@ -201,7 +242,13 @@ class TagsHandler(BaseHandler):
         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):
@@ -216,7 +263,10 @@ class FragmentDetailHandler(BaseHandler):
     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):
@@ -240,7 +290,11 @@ class FragmentsHandler(BaseHandler):
 
         """
         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):