Update librarian.

[wolnelektury.git] / apps / catalogue / views.py

diff --git a/apps/catalogue/views.py b/apps/catalogue/views.py
index 6405a49..92469d7 100644 (file)
--- a/apps/catalogue/views.py
+++ b/apps/catalogue/views.py
@@ -6,7 +6,9 @@ import re
 import itertools
 
 from django.conf import settings
 import itertools
 
 from django.conf import settings

+from django.core.cache import get_cache

 from django.template import RequestContext
 from django.template import RequestContext

+from django.template.loader import render_to_string

 from django.shortcuts import render_to_response, get_object_or_404
 from django.http import HttpResponse, HttpResponseRedirect, Http404, HttpResponsePermanentRedirect
 from django.core.urlresolvers import reverse
 from django.shortcuts import render_to_response, get_object_or_404
 from django.http import HttpResponse, HttpResponseRedirect, Http404, HttpResponsePermanentRedirect
 from django.core.urlresolvers import reverse


@@ -15,70 +17,124 @@ from django.contrib.auth.decorators import login_required, user_passes_test
 from django.utils.datastructures import SortedDict
 from django.utils.http import urlquote_plus
 from django.utils import translation
 from django.utils.datastructures import SortedDict
 from django.utils.http import urlquote_plus
 from django.utils import translation

-from django.utils.translation import ugettext as _
-from django.views.decorators.cache import never_cache
+from django.utils.translation import get_language, ugettext as _, ugettext_lazy
+from django.views.decorators.vary import vary_on_headers

 
 from ajaxable.utils import JSONResponse, AjaxableFormView
 
 from ajaxable.utils import JSONResponse, AjaxableFormView

-

 from catalogue import models
 from catalogue import forms
 from catalogue import models
 from catalogue import forms

-from catalogue.utils import (split_tags, AttachmentHttpResponse,
-    async_build_pdf, MultiQuerySet)
+from catalogue.utils import split_tags, MultiQuerySet, SortedMultiQuerySet
+from catalogue.templatetags.catalogue_tags import tag_list, collection_list

 from pdcounter import models as pdcounter_models
 from pdcounter import views as pdcounter_views
 from suggest.forms import PublishingSuggestForm
 from pdcounter import models as pdcounter_models
 from pdcounter import views as pdcounter_views
 from suggest.forms import PublishingSuggestForm

-from picture.models import Picture
-
-from os import path
+from picture.models import Picture, PictureArea
+from picture.views import picture_list_thumb

 
 staff_required = user_passes_test(lambda user: user.is_staff)
 
 staff_required = user_passes_test(lambda user: user.is_staff)

+permanent_cache = get_cache('permanent')

 
 
 
 

+@vary_on_headers('X-Requested-With')

 def catalogue(request):
 def catalogue(request):

-    tags = models.Tag.objects.exclude(
-        category__in=('set', 'book')).exclude(book_count=0)
-    tags = list(tags)
-    for tag in tags:
-        tag.count = tag.book_count
-    categories = split_tags(tags)
-    fragment_tags = categories.get('theme', [])
-
-    return render_to_response('catalogue/catalogue.html', locals(),
-        context_instance=RequestContext(request))
+    cache_key = 'catalogue.catalogue/' + get_language()
+    output = permanent_cache.get(cache_key)
+
+    if output is None:
+        tags = models.Tag.objects.exclude(
+            category__in=('set', 'book')).exclude(book_count=0, picture_count=0)
+        tags = list(tags)
+        for tag in tags:
+            tag.count = tag.book_count + tag.picture_count
+        categories = split_tags(tags)
+        fragment_tags = categories.get('theme', [])
+        collections = models.Collection.objects.all()
+
+        render_tag_list = lambda x: render_to_string(
+            'catalogue/tag_list.html', tag_list(x))
+        has_pictures = lambda x: filter(lambda y: y.picture_count > 0, x)
+        has_books = lambda x: filter(lambda y: y.book_count > 0, x)
+        def render_split(tags):
+            with_books = has_books(tags)
+            with_pictures = has_pictures(tags)
+            ctx = {}
+            if with_books:
+                ctx['books'] = render_tag_list(with_books)
+            if with_pictures:
+                ctx['pictures'] = render_tag_list(with_pictures)
+            return render_to_string('catalogue/tag_list_split.html', ctx)
+
+        output = {'theme': {}}
+        output['theme'] = render_tag_list(fragment_tags)
+        for category, tags in categories.items():
+            if category in ('author', 'theme'):
+                output[category] = render_tag_list(tags)
+            else:
+                output[category] = render_split(tags)
+
+        output['collections'] = render_to_string(
+            'catalogue/collection_list.html', collection_list(collections))
+        permanent_cache.set(cache_key, output)
+    if request.is_ajax():
+        return JSONResponse(output)
+    else:
+        return render_to_response('catalogue/catalogue.html', locals(),
+            context_instance=RequestContext(request))

 
 
 
 

-def book_list(request, filter=None, template_name='catalogue/book_list.html',
-        context=None):
+def book_list(request, filter=None, get_filter=None,
+        template_name='catalogue/book_list.html',
+        nav_template_name='catalogue/snippets/book_list_nav.html',
+        list_template_name='catalogue/snippets/book_list.html',
+        cache_key='catalogue.book_list',
+        context=None,
+        ):

     """ generates a listing of all books, optionally filtered with a test function """
     """ generates a listing of all books, optionally filtered with a test function """

-
-    books_by_author, orphans, books_by_parent = models.Book.book_list(filter)
-    books_nav = SortedDict()
-    for tag in books_by_author:
-        if books_by_author[tag]:
-            books_nav.setdefault(tag.sort_key[0], []).append(tag)
-
+    cache_key = "%s/%s" % (cache_key, get_language())
+    cached = permanent_cache.get(cache_key)
+    if cached is not None:
+        rendered_nav, rendered_book_list = cached
+    else:
+        if get_filter:
+            filter = get_filter()
+        books_by_author, orphans, books_by_parent = models.Book.book_list(filter)
+        books_nav = SortedDict()
+        for tag in books_by_author:
+            if books_by_author[tag]:
+                books_nav.setdefault(tag.sort_key[0], []).append(tag)
+        rendered_nav = render_to_string(nav_template_name, locals())
+        rendered_book_list = render_to_string(list_template_name, locals())
+        permanent_cache.set(cache_key, (rendered_nav, rendered_book_list))

     return render_to_response(template_name, locals(),
         context_instance=RequestContext(request))
 
 
 def audiobook_list(request):
     return book_list(request, Q(media__type='mp3') | Q(media__type='ogg'),
     return render_to_response(template_name, locals(),
         context_instance=RequestContext(request))
 
 
 def audiobook_list(request):
     return book_list(request, Q(media__type='mp3') | Q(media__type='ogg'),

-                     template_name='catalogue/audiobook_list.html')
+                     template_name='catalogue/audiobook_list.html',
+                     list_template_name='catalogue/snippets/audiobook_list.html',
+                     cache_key='catalogue.audiobook_list')

 
 
 def daisy_list(request):
     return book_list(request, Q(media__type='daisy'),
 
 
 def daisy_list(request):
     return book_list(request, Q(media__type='daisy'),

-                     template_name='catalogue/daisy_list.html')
+                     template_name='catalogue/daisy_list.html',
+                     cache_key='catalogue.daisy_list')

 
 
 def collection(request, slug):
     coll = get_object_or_404(models.Collection, slug=slug)
 
 
 def collection(request, slug):
     coll = get_object_or_404(models.Collection, slug=slug)

-    slugs = coll.book_slugs.split()
-    # allow URIs
-    slugs = [slug.rstrip('/').rsplit('/', 1)[-1] if '/' in slug else slug
-                for slug in slugs]
-    return book_list(request, Q(slug__in=slugs),
-                     template_name='catalogue/collection.html',
+    if coll.kind == 'book':
+        view = book_list
+        tmpl = "catalogue/collection.html"
+    elif coll.kind == 'picture':
+        view = picture_list_thumb
+        tmpl = "picture/collection.html"
+    else:
+        raise ValueError('How do I show this kind of collection? %s' % coll.kind)
+    return view(request, get_filter=coll.get_query,
+                     template_name=tmpl,
+                     cache_key='catalogue.collection:%s' % coll.slug,

                      context={'collection': coll})
 
 
                      context={'collection': coll})
 
 


@@ -96,17 +152,21 @@ def differentiate_tags(request, tags, ambiguous_slugs):
                 context_instance=RequestContext(request))
 
 
                 context_instance=RequestContext(request))
 
 

-@never_cache
+# TODO: Rewrite this hellish piece of code which tries to do everything

 def tagged_object_list(request, tags=''):
 def tagged_object_list(request, tags=''):

+    # preliminary tests and conditions

     try:
         tags = models.Tag.get_tag_list(tags)
     except models.Tag.DoesNotExist:
     try:
         tags = models.Tag.get_tag_list(tags)
     except models.Tag.DoesNotExist:

+        # Perhaps the user is asking about an author in Public Domain
+        # counter (they are not represented in tags)

         chunks = tags.split('/')
         if len(chunks) == 2 and chunks[0] == 'autor':
             return pdcounter_views.author_detail(request, chunks[1])
         else:
             raise Http404
     except models.Tag.MultipleObjectsReturned, e:
         chunks = tags.split('/')
         if len(chunks) == 2 and chunks[0] == 'autor':
             return pdcounter_views.author_detail(request, chunks[1])
         else:
             raise Http404
     except models.Tag.MultipleObjectsReturned, e:

+        # Ask the user to disambiguate

         return differentiate_tags(request, e.tags, e.ambiguous_slugs)
     except models.Tag.UrlDeprecationWarning, e:
         return HttpResponsePermanentRedirect(reverse('tagged_object_list', args=['/'.join(tag.url_chunk for tag in e.tags)]))
         return differentiate_tags(request, e.tags, e.ambiguous_slugs)
     except models.Tag.UrlDeprecationWarning, e:
         return HttpResponsePermanentRedirect(reverse('tagged_object_list', args=['/'.join(tag.url_chunk for tag in e.tags)]))


@@ -120,65 +180,99 @@ def tagged_object_list(request, tags=''):
     if len([tag for tag in tags if tag.category == 'book']):
         raise Http404
 
     if len([tag for tag in tags if tag.category == 'book']):
         raise Http404
 

+    # beginning of digestion

     theme_is_set = [tag for tag in tags if tag.category == 'theme']
     shelf_is_set = [tag for tag in tags if tag.category == 'set']
     only_shelf = shelf_is_set and len(tags) == 1
     only_my_shelf = only_shelf and request.user.is_authenticated() and request.user == tags[0].user
 
     theme_is_set = [tag for tag in tags if tag.category == 'theme']
     shelf_is_set = [tag for tag in tags if tag.category == 'set']
     only_shelf = shelf_is_set and len(tags) == 1
     only_my_shelf = only_shelf and request.user.is_authenticated() and request.user == tags[0].user
 

+

     objects = only_author = None
     categories = {}
     objects = only_author = None
     categories = {}

+    object_queries = []

 
     if theme_is_set:
         shelf_tags = [tag for tag in tags if tag.category == 'set']
         fragment_tags = [tag for tag in tags if tag.category != 'set']
         fragments = models.Fragment.tagged.with_all(fragment_tags)
 
     if theme_is_set:
         shelf_tags = [tag for tag in tags if tag.category == 'set']
         fragment_tags = [tag for tag in tags if tag.category != 'set']
         fragments = models.Fragment.tagged.with_all(fragment_tags)

+        areas = PictureArea.tagged.with_all(fragment_tags)

 
         if shelf_tags:
             books = models.Book.tagged.with_all(shelf_tags).order_by()
 
         if shelf_tags:
             books = models.Book.tagged.with_all(shelf_tags).order_by()

-            l_tags = models.Tag.objects.filter(category='book', slug__in=[book.book_tag_slug() for book in books])
+            l_tags = models.Tag.objects.filter(category='book',
+                slug__in=[book.book_tag_slug() for book in books.iterator()])

             fragments = models.Fragment.tagged.with_any(l_tags, fragments)
 
         # newtagging goes crazy if we just try:
         #related_tags = models.Tag.objects.usage_for_queryset(fragments, counts=True,
         #                    extra={'where': ["catalogue_tag.category != 'book'"]})
             fragments = models.Fragment.tagged.with_any(l_tags, fragments)
 
         # newtagging goes crazy if we just try:
         #related_tags = models.Tag.objects.usage_for_queryset(fragments, counts=True,
         #                    extra={'where': ["catalogue_tag.category != 'book'"]})

-        fragment_keys = [fragment.pk for fragment in fragments]
+
+        related_tags = []
+
+        fragment_keys = [fragment.pk for fragment in fragments.iterator()]

         if fragment_keys:
             related_tags = models.Fragment.tags.usage(counts=True,
                                 filters={'pk__in': fragment_keys},
                                 extra={'where': ["catalogue_tag.category != 'book'"]})
             related_tags = (tag for tag in related_tags if tag not in fragment_tags)
         if fragment_keys:
             related_tags = models.Fragment.tags.usage(counts=True,
                                 filters={'pk__in': fragment_keys},
                                 extra={'where': ["catalogue_tag.category != 'book'"]})
             related_tags = (tag for tag in related_tags if tag not in fragment_tags)

-            categories = split_tags(related_tags)
+            categories = split_tags(related_tags, categories)

 
 

-            objects = fragments
+        object_queries.insert(0, fragments)
+
+        area_keys = [area.pk for area in areas.iterator()]
+        if area_keys:
+            related_tags = PictureArea.tags.usage(counts=True,
+                                                         filters={'pk__in': area_keys})
+            related_tags = (tag for tag in related_tags if tag not in fragment_tags)
+
+            categories = split_tags(related_tags, categories)
+
+        # we want the Pictures to go first
+        object_queries.insert(0, areas)
+        objects = MultiQuerySet(*object_queries)

     else:
         if shelf_is_set:
     else:
         if shelf_is_set:

-            objects = models.Book.tagged.with_all(tags)
+            books = models.Book.tagged.with_all(tags).order_by('sort_key_author')

         else:
         else:

-            objects = models.Book.tagged_top_level(tags)
+            books = models.Book.tagged_top_level(tags).order_by('sort_key_author')
+
+        pictures = Picture.tagged.with_all(tags).order_by('sort_key_author')

 
 

-        # get related tags from `tag_counter` and `theme_counter`

         related_counts = {}
         related_counts = {}

-        tags_pks = [tag.pk for tag in tags]
-        for book in objects:
-            for tag_pk, value in itertools.chain(book.tag_counter.iteritems(), book.theme_counter.iteritems()):
-                if tag_pk in tags_pks:
-                    continue
-                related_counts[tag_pk] = related_counts.get(tag_pk, 0) + value
+        if books.count() > 0:
+            # get related tags from `tag_counter` and `theme_counter`
+            tags_pks = [tag.pk for tag in tags]
+            for book in books:
+                for tag_pk, value in itertools.chain(book.tag_counter.iteritems(), book.theme_counter.iteritems()):
+                    if tag_pk in tags_pks:
+                        continue
+                    related_counts[tag_pk] = related_counts.get(tag_pk, 0) + value
+
+        if pictures.count() > 0:
+            tags_pks = [tag.pk for tag in tags]
+            for picture in pictures:
+                for tag_pk, value in itertools.chain(picture.tag_counter.iteritems(), picture.theme_counter.iteritems()):
+                    if tag_pk in tags_pks:
+                        continue
+                    related_counts[tag_pk] = related_counts.get(tag_pk, 0) + value
+

         related_tags = models.Tag.objects.filter(pk__in=related_counts.keys())
         related_tags = [tag for tag in related_tags if tag not in tags]
         related_tags = models.Tag.objects.filter(pk__in=related_counts.keys())
         related_tags = [tag for tag in related_tags if tag not in tags]

+

         for tag in related_tags:
             tag.count = related_counts[tag.pk]
 
         categories = split_tags(related_tags)
         del related_tags
 
         for tag in related_tags:
             tag.count = related_counts[tag.pk]
 
         categories = split_tags(related_tags)
         del related_tags
 

+
+        objects = SortedMultiQuerySet(pictures, books, order_by='sort_key_author')
+
+

     if not objects:
         only_author = len(tags) == 1 and tags[0].category == 'author'
         objects = models.Book.objects.none()
 
     if not objects:
         only_author = len(tags) == 1 and tags[0].category == 'author'
         objects = models.Book.objects.none()
 

-    # Add pictures
-    objects = MultiQuerySet(Picture.tagged.with_all(tags), objects)
-

     return render_to_response('catalogue/tagged_object_list.html',
         {
             'object_list': objects,
     return render_to_response('catalogue/tagged_object_list.html',
         {
             'object_list': objects,


@@ -204,7 +298,6 @@ def book_fragments(request, slug, theme_slug):
         context_instance=RequestContext(request))
 
 
         context_instance=RequestContext(request))
 
 

-@never_cache

 def book_detail(request, slug):
     try:
         book = models.Book.objects.get(slug=slug)
 def book_detail(request, slug):
     try:
         book = models.Book.objects.get(slug=slug)


@@ -222,15 +315,15 @@ def player(request, slug):
         raise Http404
 
     ogg_files = {}
         raise Http404
 
     ogg_files = {}

-    for m in book.media.filter(type='ogg').order_by():
+    for m in book.media.filter(type='ogg').order_by().iterator():

         ogg_files[m.name] = m
 
     audiobooks = []
     have_oggs = True
     projects = set()
         ogg_files[m.name] = m
 
     audiobooks = []
     have_oggs = True
     projects = set()

-    for mp3 in book.media.filter(type='mp3'):
+    for mp3 in book.media.filter(type='mp3').iterator():

         # ogg files are always from the same project
         # ogg files are always from the same project

-        meta = mp3.get_extra_info_value()
+        meta = mp3.extra_info

         project = meta.get('project')
         if not project:
             # temporary fallback
         project = meta.get('project')
         if not project:
             # temporary fallback


@@ -246,10 +339,11 @@ def player(request, slug):
         else:
             have_oggs = False
         audiobooks.append(media)
         else:
             have_oggs = False
         audiobooks.append(media)

-    print audiobooks

 
     projects = sorted(projects)
 
 
     projects = sorted(projects)
 

+    extra_info = book.extra_info
+

     return render_to_response('catalogue/player.html', locals(),
         context_instance=RequestContext(request))
 
     return render_to_response('catalogue/player.html', locals(),
         context_instance=RequestContext(request))
 


@@ -259,13 +353,7 @@ def book_text(request, slug):
 
     if not book.has_html_file():
         raise Http404
 
     if not book.has_html_file():
         raise Http404

-    book_themes = {}
-    for fragment in book.fragments.all():
-        for theme in fragment.tags.filter(category='theme'):
-            book_themes.setdefault(theme, []).append(fragment)
-
-    book_themes = book_themes.items()
-    book_themes.sort(key=lambda s: s[0].sort_key)
+    related = book.related_info()

     return render_to_response('catalogue/book_text.html', locals(),
         context_instance=RequestContext(request))
 
     return render_to_response('catalogue/book_text.html', locals(),
         context_instance=RequestContext(request))
 


@@ -407,7 +495,7 @@ def find_best_matches(query, user=None):
     book_titles = set(match.pretty_title().lower() for match in result
                       if isinstance(match, models.Book))
     authors = set(match.name.lower() for match in result
     book_titles = set(match.pretty_title().lower() for match in result
                       if isinstance(match, models.Book))
     authors = set(match.name.lower() for match in result

-                  if isinstance(match, models.Tag) and match.category=='author')
+                  if isinstance(match, models.Tag) and match.category == 'author')

     result = tuple(res for res in result if not (
                  (isinstance(res, pdcounter_models.BookStub) and res.pretty_title().lower() in book_titles)
                  or (isinstance(res, pdcounter_models.Author) and res.name.lower() in authors)
     result = tuple(res for res in result if not (
                  (isinstance(res, pdcounter_models.BookStub) and res.pretty_title().lower() in book_titles)
                  or (isinstance(res, pdcounter_models.Author) and res.name.lower() in authors)


@@ -530,43 +618,23 @@ def download_zip(request, format, slug=None):
     return HttpResponseRedirect(urlquote_plus(settings.MEDIA_URL + url, safe='/?='))
 
 
     return HttpResponseRedirect(urlquote_plus(settings.MEDIA_URL + url, safe='/?='))
 
 

-def download_custom_pdf(request, slug, method='GET'):
-    book = get_object_or_404(models.Book, slug=slug)
-
-    if request.method == method:
-        form = forms.CustomPDFForm(method == 'GET' and request.GET or request.POST)
-        if form.is_valid():
-            cust = form.customizations
-            pdf_file = models.get_customized_pdf_path(book, cust)
-
-            if not path.exists(pdf_file):
-                result = async_build_pdf.delay(book.id, cust, pdf_file)
-                result.wait()
-            return AttachmentHttpResponse(file_name=("%s.pdf" % book.slug), file_path=pdf_file, mimetype="application/pdf")
-        else:
-            raise Http404(_('Incorrect customization options for PDF'))
-    else:
-        raise Http404(_('Bad method'))
-
-

 class CustomPDFFormView(AjaxableFormView):
     form_class = forms.CustomPDFForm
 class CustomPDFFormView(AjaxableFormView):
     form_class = forms.CustomPDFForm

-    title = _('Download custom PDF')
-    submit = _('Download')
+    title = ugettext_lazy('Download custom PDF')
+    submit = ugettext_lazy('Download')
+    honeypot = True
+
+    def __call__(self, *args, **kwargs):
+        if settings.NO_CUSTOM_PDF:
+            raise Http404('Custom PDF is disabled')
+        return super(CustomPDFFormView, self).__call__(*args, **kwargs)

 
 

-    def __call__(self, request):
-        from copy import copy
-        if request.method == 'POST':
-            request.GET = copy(request.GET)
-            request.GET['next'] = "%s?%s" % (reverse('catalogue.views.download_custom_pdf', args=[request.GET.get('slug')]),
-                                             request.POST.urlencode())
-        return super(CustomPDFFormView, self).__call__(request)
+    def form_args(self, request, obj):
+        """Override to parse view args and give additional args to the form."""
+        return (obj,), {}

 
 

-    def get_object(self, request):
-        return get_object_or_404(models.Book, slug=request.GET.get('slug'))
+    def get_object(self, request, slug, *args, **kwargs):
+        return get_object_or_404(models.Book, slug=slug)

 
     def context_description(self, request, obj):
         return obj.pretty_title()
 
     def context_description(self, request, obj):
         return obj.pretty_title()

-
-    def success(self, *args):
-        pass