picture tags, areas overhaul #1

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

diff --git a/apps/catalogue/views.py b/apps/catalogue/views.py
index 6dd3d7e..deab259 100644 (file)
--- a/apps/catalogue/views.py
+++ b/apps/catalogue/views.py
@@ -17,8 +17,8 @@ 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 _, ugettext_lazy
-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 catalogue import models
 
 from ajaxable.utils import JSONResponse, AjaxableFormView
 from catalogue import models


@@ -28,47 +28,72 @@ 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 picture.models import Picture, PictureArea
+from picture.views import picture_list_thumb
+import logging

 staff_required = user_passes_test(lambda user: user.is_staff)
 permanent_cache = get_cache('permanent')
 
 
 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', [])
-    collections = models.Collection.objects.all()
+    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()

 
 

-    if request.is_ajax():

         render_tag_list = lambda x: render_to_string(
             'catalogue/tag_list.html', tag_list(x))
         render_tag_list = lambda x: render_to_string(
             'catalogue/tag_list.html', tag_list(x))

-        output = {'theme': render_tag_list(fragment_tags)}
+        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_split(fragment_tags)

         for category, tags in categories.items():
         for category, tags in categories.items():

-            output[category] = render_tag_list(tags)
+            output[category] = render_split(tags)
+            

         output['collections'] = render_to_string(
             'catalogue/collection_list.html', collection_list(collections))
         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))
 
 
         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',
+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 """
         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 """

+    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:
     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:
         books_by_author, orphans, books_by_parent = models.Book.book_list(filter)
         books_nav = SortedDict()
         for tag in books_by_author:


@@ -96,12 +121,16 @@ def daisy_list(request):
 
 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})
 
                      cache_key='catalogue.collection:%s' % coll.slug,
                      context={'collection': coll})
 


@@ -120,17 +149,21 @@ def differentiate_tags(request, tags, ambiguous_slugs):
                 context_instance=RequestContext(request))
 
 
                 context_instance=RequestContext(request))
 
 

-@never_cache
-def tagged_object_list(request, tags=''):
+# TODO: Rewrite this hellish piece of code which tries to do everything
+def tagged_object_list(request, tags='', gallery=True, literature=True):
+    # 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)]))


@@ -144,20 +177,31 @@ 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']
 
     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 literature:
+            fragments = models.Fragment.tagged.with_all(fragment_tags)
+        else:
+            fragments = models.Fragment.objects.none()
+        if gallery:
+            areas = PictureArea.tagged.with_all(fragment_tags)
+        else:
+            areas = PictureArea.objects.none()

 
 

-        if shelf_tags:
+        if shelf_tags and literature:

             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.iterator()])
             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.iterator()])


@@ -166,43 +210,65 @@ def tagged_object_list(request, tags=''):
         # newtagging goes crazy if we just try:
         #related_tags = models.Tag.objects.usage_for_queryset(fragments, counts=True,
         #                    extra={'where': ["catalogue_tag.category != 'book'"]})
         # newtagging goes crazy if we just try:
         #related_tags = models.Tag.objects.usage_for_queryset(fragments, counts=True,
         #                    extra={'where': ["catalogue_tag.category != 'book'"]})

+
+        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)
         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)

-            categories = split_tags(related_tags)
-
-            objects = fragments
+            categories = split_tags(related_tags, categories)
+
+        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)
+        object_queries.append(areas)
+        objects = MultiQuerySet(*object_queries)

     else:
     else:

-        if shelf_is_set:
-            objects = models.Book.tagged.with_all(tags)
+        if literature:
+            if shelf_is_set:
+                books = models.Book.tagged.with_all(tags)
+            else:
+                books = models.Book.tagged_top_level(tags)
+        else:
+            books = models.Book.objects.none()
+
+        if gallery:
+            pictures = Picture.tagged.with_all(tags)

         else:
         else:

-            objects = models.Book.tagged_top_level(tags)
-
-        # get related tags from `tag_counter` and `theme_counter`
-        related_counts = {}
-        tags_pks = [tag.pk for tag in tags]
-        for book in objects.iterator():
-            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
-        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
+            pictures = Picture.objects.none()
+            
+        if literature and books.count() > 0:
+            # get related tags from `tag_counter` and `theme_counter`
+            related_counts = {}
+            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
+            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
+
+        objects = MultiQuerySet(pictures, books)

 
     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',
         {
 
     return render_to_response('catalogue/tagged_object_list.html',
         {


@@ -229,7 +295,6 @@ 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)


@@ -285,13 +350,6 @@ 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().iterator():
-        for theme in fragment.tags.filter(category='theme').iterator():
-            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))
     related = book.related_info()
     return render_to_response('catalogue/book_text.html', locals(),
         context_instance=RequestContext(request))