simplify TagRelation

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

diff --git a/src/catalogue/views.py b/src/catalogue/views.py
index 12cfdc5..fd98dee 100644 (file)
--- a/src/catalogue/views.py
+++ b/src/catalogue/views.py
@@ -12,7 +12,7 @@ from django.template.loader import render_to_string
 from django.shortcuts import render_to_response, get_object_or_404, render, redirect
 from django.http import HttpResponse, HttpResponseRedirect, Http404, HttpResponsePermanentRedirect, JsonResponse
 from django.core.urlresolvers import reverse
 from django.shortcuts import render_to_response, get_object_or_404, render, redirect
 from django.http import HttpResponse, HttpResponseRedirect, Http404, HttpResponsePermanentRedirect, JsonResponse
 from django.core.urlresolvers import reverse

-from django.db.models import Q
+from django.db.models import Q, QuerySet

 from django.contrib.auth.decorators import login_required, user_passes_test
 from django.utils.http import urlquote_plus
 from django.utils import translation
 from django.contrib.auth.decorators import login_required, user_passes_test
 from django.utils.http import urlquote_plus
 from django.utils import translation


@@ -29,26 +29,25 @@ from catalogue import forms
 from catalogue.helpers import get_top_level_related_tags
 from catalogue.models import Book, Collection, Tag, Fragment
 from catalogue.utils import split_tags
 from catalogue.helpers import get_top_level_related_tags
 from catalogue.models import Book, Collection, Tag, Fragment
 from catalogue.utils import split_tags

+from catalogue.models.tag import prefetch_relations

 
 staff_required = user_passes_test(lambda user: user.is_staff)
 
 
 def catalogue(request):
     return render(request, 'catalogue/catalogue.html', {
 
 staff_required = user_passes_test(lambda user: user.is_staff)
 
 
 def catalogue(request):
     return render(request, 'catalogue/catalogue.html', {

-        'books': Book.objects.filter(parent=None).order_by('sort_key_author', 'sort_key'),
-        'pictures': Picture.objects.order_by('sort_key_author', 'sort_key'),
+        'books': Book.objects.filter(parent=None),
+        'pictures': Picture.objects.all(),

         'collections': Collection.objects.all(),
         'active_menu_item': 'all_works',
     })
 
 
         'collections': Collection.objects.all(),
         'active_menu_item': 'all_works',
     })
 
 

-def book_list(request, filter=None, get_filter=None, template_name='catalogue/book_list.html',
+def book_list(request, filters=None, template_name='catalogue/book_list.html',

               nav_template_name='catalogue/snippets/book_list_nav.html',
               nav_template_name='catalogue/snippets/book_list_nav.html',

-              list_template_name='catalogue/snippets/book_list.html', context=None):
-    """ generates a listing of all books, optionally filtered with a test function """
-    if get_filter:
-        filter = get_filter()
-    books_by_author, orphans, books_by_parent = Book.book_list(filter)
+              list_template_name='catalogue/snippets/book_list.html'):
+    """ generates a listing of all books, optionally filtered """
+    books_by_author, orphans, books_by_parent = Book.book_list(filters)

     books_nav = OrderedDict()
     for tag in books_by_author:
         if books_by_author[tag]:
     books_nav = OrderedDict()
     for tag in books_by_author:
         if books_by_author[tag]:


@@ -64,28 +63,8 @@ def book_list(request, filter=None, get_filter=None, template_name='catalogue/bo
     }, context_instance=RequestContext(request))
 
 
     }, context_instance=RequestContext(request))
 
 

-def audiobook_list(request):
-    books = Book.objects.filter(media__type__in=('mp3', 'ogg')).distinct().order_by(
-        'sort_key_author', 'sort_key')
-    books = list(books)
-    if len(books) > 3:
-        best = random.sample(books, 3)
-    else:
-        best = books
-
-    daisy = Book.objects.filter(media__type='daisy').distinct().order_by('sort_key_author', 'sort_key')
-
-    return render(request, 'catalogue/audiobook_list.html', {
-        'books': books,
-        'best': best,
-        'daisy': daisy,
-        })
-
-

 def daisy_list(request):
 def daisy_list(request):

-    return book_list(request, Q(media__type='daisy'),
-                     template_name='catalogue/daisy_list.html',
-                     )
+    return book_list(request, Q(media__type='daisy'), template_name='catalogue/daisy_list.html')

 
 
 def collection(request, slug):
 
 
 def collection(request, slug):


@@ -107,28 +86,106 @@ def differentiate_tags(request, tags, ambiguous_slugs):
         context_instance=RequestContext(request))
 
 
         context_instance=RequestContext(request))
 
 

-# TODO: Rewrite this hellish piece of code which tries to do everything
-def tagged_object_list(request, tags='', list_type='books'):
-    raw_tags = tags
-    # preliminary tests and conditions
-    gallery = list_type == 'gallery'
-    audiobooks = list_type == 'audiobooks'
+def object_list(request, objects, fragments=None, related_tags=None, tags=None, list_type='books', extra=None):
+    if not tags:
+        tags = []
+    tag_ids = [tag.pk for tag in tags]
+
+    related_tag_lists = []
+    if related_tags:
+        related_tag_lists.append(related_tags)
+    else:
+        related_tag_lists.append(
+            Tag.objects.usage_for_queryset(objects, counts=True).exclude(category='set').exclude(pk__in=tag_ids))
+    if not (extra and extra.get('theme_is_set')):
+        if fragments is None:
+            if list_type == 'gallery':
+                fragments = PictureArea.objects.filter(picture__in=objects)
+            else:
+                fragments = Fragment.objects.filter(book__in=objects)
+        related_tag_lists.append(
+            Tag.objects.usage_for_queryset(fragments, counts=True).filter(category='theme').exclude(pk__in=tag_ids)
+            .only('name', 'sort_key', 'category', 'slug'))
+        if isinstance(objects, QuerySet):
+            objects = prefetch_relations(objects, 'author')
+
+    categories = split_tags(*related_tag_lists)
+
+    objects = list(objects)
+
+    if not objects and len(tags) == 1 and list_type == 'books':
+        if PictureArea.tagged.with_any(tags).exists() or Picture.tagged.with_any(tags).exists():
+            return redirect('tagged_object_list_gallery', '/'.join(tag.url_chunk for tag in tags))
+
+    if len(objects) > 3:
+        best = random.sample(objects, 3)
+    else:
+        best = objects
+
+    result = {
+        'object_list': objects,
+        'categories': categories,
+        'list_type': list_type,
+        'tags': tags,
+
+        'formats_form': forms.DownloadFormatsForm(),
+        'best': best,
+        'active_menu_item': list_type,
+    }
+    if extra:
+        result.update(extra)
+    return render_to_response(
+        'catalogue/tagged_object_list.html', result,
+        context_instance=RequestContext(request))
+
+
+def literature(request):
+    books = Book.objects.filter(parent=None)
+
+    # last_published = Book.objects.exclude(cover_thumb='').filter(parent=None).order_by('-created_at')[:20]
+    # most_popular = Book.objects.exclude(cover_thumb='')\
+    #                    .order_by('-popularity__count', 'sort_key_author', 'sort_key')[:20]
+    return object_list(request, books, related_tags=get_top_level_related_tags([]))
+    # extra={
+    #     'last_published': last_published,
+    #     'most_popular': most_popular,
+    # })
+
+
+def gallery(request):
+    return object_list(request, Picture.objects.all(), list_type='gallery')
+
+
+def audiobooks(request):
+    audiobooks = Book.objects.filter(media__type__in=('mp3', 'ogg')).distinct()
+    return object_list(request, audiobooks, list_type='audiobooks', extra={
+        'daisy': Book.objects.filter(media__type='daisy').distinct(),
+    })
+
+
+class ResponseInstead(Exception):
+    def __init__(self, response):
+        super(ResponseInstead, self).__init__()
+        self.response = response
+
+
+def analyse_tags(request, tag_str):

     try:
     try:

-        tags = Tag.get_tag_list(tags)
+        tags = Tag.get_tag_list(tag_str)

     except Tag.DoesNotExist:
         # Perhaps the user is asking about an author in Public Domain
         # counter (they are not represented in tags)
     except Tag.DoesNotExist:
         # Perhaps the user is asking about an author in Public Domain
         # counter (they are not represented in tags)

-        chunks = tags.split('/')
+        chunks = tag_str.split('/')

         if len(chunks) == 2 and chunks[0] == 'autor':
         if len(chunks) == 2 and chunks[0] == 'autor':

-            return pdcounter_views.author_detail(request, chunks[1])
+            raise ResponseInstead(pdcounter_views.author_detail(request, chunks[1]))

         else:
             raise Http404
     except Tag.MultipleObjectsReturned, e:
         # Ask the user to disambiguate
         else:
             raise Http404
     except Tag.MultipleObjectsReturned, e:
         # Ask the user to disambiguate

-        return differentiate_tags(request, e.tags, e.ambiguous_slugs)
+        raise ResponseInstead(differentiate_tags(request, e.tags, e.ambiguous_slugs))

     except Tag.UrlDeprecationWarning, e:
     except Tag.UrlDeprecationWarning, e:

-        return HttpResponsePermanentRedirect(
-            reverse('tagged_object_list', args=['/'.join(tag.url_chunk for tag in e.tags)]))
+        raise ResponseInstead(HttpResponsePermanentRedirect(
+            reverse('tagged_object_list', args=['/'.join(tag.url_chunk for tag in e.tags)])))

 
     try:
         if len(tags) > settings.MAX_TAG_LIST:
 
     try:
         if len(tags) > settings.MAX_TAG_LIST:


@@ -136,130 +193,69 @@ def tagged_object_list(request, tags='', list_type='books'):
     except AttributeError:
         pass
 
     except AttributeError:
         pass
 

-    # beginning of digestion
-    theme_is_set = any(tag.category == 'theme' for tag in tags)
-    shelf_is_set = any(tag.category == 'set' for tag in tags)
-    only_shelf = shelf_is_set and len(tags) == 1
-    only_my_shelf = only_shelf and request.user == tags[0].user
-    tags_pks = [tag.pk for tag in tags]
+    return tags

 
 

-    if gallery and shelf_is_set:
-        raise Http404

 
 

-    daisy = None
-    if theme_is_set:
-        # Only fragments (or pirctureareas) here.
-        shelf_tags = [tag for tag in tags if tag.category == 'set']
-        fragment_tags = [tag for tag in tags if tag.category != 'set']
-        if gallery:
-            fragments = PictureArea.tagged.with_all(fragment_tags)
-        else:
-            fragments = Fragment.tagged.with_all(fragment_tags)
+def theme_list(request, tags, list_type):
+    shelf_tags = [tag for tag in tags if tag.category == 'set']
+    fragment_tags = [tag for tag in tags if tag.category != 'set']
+    if list_type == 'gallery':
+        fragments = PictureArea.tagged.with_all(fragment_tags)
+    else:
+        fragments = Fragment.tagged.with_all(fragment_tags)

 
 

-        if shelf_tags:
-            # TODO: Pictures on shelves not supported yet.
-            books = Book.tagged.with_all(shelf_tags).order_by()
-            fragments = fragments.filter(Q(book__in=books) | Q(book__ancestor__in=books))
+    if shelf_tags:
+        # TODO: Pictures on shelves not supported yet.
+        books = Book.tagged.with_all(shelf_tags).order_by()
+        fragments = fragments.filter(Q(book__in=books) | Q(book__ancestor__in=books))

 
 

-        categories = split_tags(
-            Tag.objects.usage_for_queryset(fragments, counts=True).exclude(pk__in=tags_pks),
-        )
+    if not fragments and len(tags) == 1 and list_type == 'books':
+        if PictureArea.tagged.with_any(tags).exists() or Picture.tagged.with_any(tags).exists():
+            return redirect('tagged_object_list_gallery', '/'.join(tag.url_chunk for tag in tags))

 
 

-        objects = fragments
-    else:
-        if gallery:
-            # TODO: Pictures on shelves not supported yet.
-            if tags:
-                objects = Picture.tagged.with_all(tags)
-            else:
-                objects = Picture.objects.all()
-            areas = PictureArea.objects.filter(picture__in=objects)
-            categories = split_tags(
-                Tag.objects.usage_for_queryset(
-                    objects, counts=True).exclude(pk__in=tags_pks),
-                Tag.objects.usage_for_queryset(
-                    areas, counts=True).filter(
-                    category__in=('theme', 'thing')).exclude(
-                    pk__in=tags_pks),
-            )
-        else:
-            if audiobooks:
-                all_books = Book.objects.filter(media__type__in=('mp3', 'ogg')).distinct()
-                if tags:
-                    all_books = Book.tagged.with_all(tags, all_books)
-                objects = all_books
-                # there's never only the daisy audiobook
-                daisy = objects.filter(media__type='daisy').distinct().order_by('sort_key_author', 'sort_key')
-                related_book_tags = Tag.objects.usage_for_queryset(
-                    objects, counts=True).exclude(
-                    category='set').exclude(pk__in=tags_pks)
-            else:
-                if tags:
-                    all_books = Book.tagged.with_all(tags)
-                else:
-                    all_books = Book.objects.filter(parent=None)
-                if shelf_is_set:
-                    objects = all_books
-                    related_book_tags = Tag.objects.usage_for_queryset(
-                        objects, counts=True).exclude(
-                        category='set').exclude(pk__in=tags_pks)
-                else:
-                    if tags:
-                        objects = Book.tagged_top_level(tags)
-                    else:
-                        objects = all_books
-                    related_book_tags = get_top_level_related_tags(tags)
-
-            fragments = Fragment.objects.filter(book__in=all_books)
-
-            categories = split_tags(
-                related_book_tags,
-                Tag.objects.usage_for_queryset(
-                    fragments, counts=True).filter(
-                    category='theme').exclude(pk__in=tags_pks),
-            )
-        objects = objects.order_by('sort_key_author', 'sort_key')
+    return object_list(request, fragments, tags=tags, list_type=list_type, extra={
+        'theme_is_set': True,
+        'active_menu_item': 'theme',
+    })

 
 

-    objects = list(objects)
-    if len(objects) > 3:
-        best = random.sample(objects, 3)
-    else:
-        best = objects

 
 

-    if not gallery and not objects and len(tags) == 1:
-        tag = tags[0]
-        if tag.category in ('theme', 'thing') and (
-                PictureArea.tagged.with_any([tag]).exists() or
-                Picture.tagged.with_any([tag]).exists()):
-            return redirect('tagged_object_list_gallery', raw_tags)
-
-    # this is becoming more and more hacky
-    if list_type == 'books' and not tags:
-        last_published = Book.objects.exclude(cover_thumb='').filter(parent=None).order_by('-created_at')[:20]
-        most_popular = Book.objects.exclude(cover_thumb='').order_by('-popularity__count')[:20]
+def tagged_object_list(request, tags, list_type):
+    try:
+        tags = analyse_tags(request, tags)
+    except ResponseInstead as e:
+        return e.response
+
+    if list_type == 'gallery' and any(tag.category == 'set' for tag in tags):
+        raise Http404
+
+    if any(tag.category in ('theme', 'thing') for tag in tags):
+        return theme_list(request, tags, list_type=list_type)
+
+    if list_type == 'books':
+        books = Book.tagged.with_all(tags)
+
+        if any(tag.category == 'set' for tag in tags):
+            params = {'objects': books}
+        else:
+            params = {
+                'objects': Book.tagged_top_level(tags),
+                'fragments': Fragment.objects.filter(book__in=books),
+                'related_tags': get_top_level_related_tags(tags),
+            }
+    elif list_type == 'gallery':
+        params = {'objects': Picture.tagged.with_all(tags)}
+    elif list_type == 'audiobooks':
+        audiobooks = Book.objects.filter(media__type__in=('mp3', 'ogg')).distinct()
+        params = {
+            'objects': Book.tagged.with_all(tags, audiobooks),
+            'extra': {
+                'daisy': Book.tagged.with_all(tags, audiobooks.filter(media__type='daisy').distinct()),
+            }
+        }

     else:
     else:

-        last_published = None
-        most_popular = None
+        raise Http404

 
 

-    return render_to_response(
-        'catalogue/tagged_object_list.html',
-        {
-            'object_list': objects,
-            'categories': categories,
-            'only_shelf': only_shelf,
-            'only_my_shelf': only_my_shelf,
-            'formats_form': forms.DownloadFormatsForm(),
-            'tags': tags,
-            'tag_ids': tags_pks,
-            'theme_is_set': theme_is_set,
-            'best': best,
-            'list_type': list_type,
-            'daisy': daisy,
-            'last_published': last_published,
-            'most_popular': most_popular,
-            'active_menu_item': 'theme' if theme_is_set else list_type,
-        },
-        context_instance=RequestContext(request))
+    return object_list(request, tags=tags, list_type=list_type, **params)

 
 
 def book_fragments(request, slug, theme_slug):
 
 
 def book_fragments(request, slug, theme_slug):


@@ -272,6 +268,7 @@ def book_fragments(request, slug, theme_slug):
         'book': book,
         'theme': theme,
         'fragments': fragments,
         'book': book,
         'theme': theme,
         'fragments': fragments,

+        'active_menu_item': 'books',

     }, context_instance=RequestContext(request))
 
 
     }, context_instance=RequestContext(request))
 
 


@@ -285,6 +282,7 @@ def book_detail(request, slug):
         'book': book,
         'tags': book.tags.exclude(category__in=('set', 'theme')),
         'book_children': book.children.all().order_by('parent_number', 'sort_key'),
         'book': book,
         'tags': book.tags.exclude(category__in=('set', 'theme')),
         'book_children': book.children.all().order_by('parent_number', 'sort_key'),

+        'active_menu_item': 'books',

     }, context_instance=RequestContext(request))
 
 
     }, context_instance=RequestContext(request))
 
 


@@ -319,7 +317,7 @@ def get_audiobooks(book):
     return audiobooks, projects, have_oggs
 
 
     return audiobooks, projects, have_oggs
 
 

-# używane tylko do audiobook_tree, które jest używane tylko w snippets/audiobook_list.html, które nie jest używane
+# używane w publicznym interfejsie

 def player(request, slug):
     book = get_object_or_404(Book, slug=slug)
     if not book.has_media('mp3'):
 def player(request, slug):
     book = get_object_or_404(Book, slug=slug)
     if not book.has_media('mp3'):


@@ -327,8 +325,6 @@ def player(request, slug):
 
     audiobooks, projects, have_oggs = get_audiobooks(book)
 
 
     audiobooks, projects, have_oggs = get_audiobooks(book)
 

-    # extra_info = book.extra_info
-

     return render_to_response('catalogue/player.html', {
         'book': book,
         'audiobook': '',
     return render_to_response('catalogue/player.html', {
         'book': book,
         'audiobook': '',


@@ -342,7 +338,7 @@ def book_text(request, slug):
 
     if not book.has_html_file():
         raise Http404
 
     if not book.has_html_file():
         raise Http404

-    return render_to_response('catalogue/book_text.html', {'book': book,}, context_instance=RequestContext(request))
+    return render_to_response('catalogue/book_text.html', {'book': book}, context_instance=RequestContext(request))

 
 
 # ==========
 
 
 # ==========


@@ -362,14 +358,21 @@ def _no_diacritics_regexp(query):
 
     def repl(m):
         l = m.group()
 
     def repl(m):
         l = m.group()

-        return u"(%s)" % '|'.join(names[l])
+        return u"(?:%s)" % '|'.join(names[l])

 
     return re.sub(u'[%s]' % (u''.join(names.keys())), repl, query)
 
 
 def unicode_re_escape(query):
     """ Unicode-friendly version of re.escape """
 
     return re.sub(u'[%s]' % (u''.join(names.keys())), repl, query)
 
 
 def unicode_re_escape(query):
     """ Unicode-friendly version of re.escape """

-    return re.sub(r'(?u)(\W)', r'\\\1', query)
+    s = list(query)
+    for i, c in enumerate(query):
+        if re.match(r'(?u)(\W)', c) and re.match(r'[\x00-\x7e]', c):
+            if c == "\000":
+                s[i] = "\\000"
+            else:
+                s[i] = "\\" + c
+    return query[:0].join(s)

 
 
 def _word_starts_with(name, prefix):
 
 
 def _word_starts_with(name, prefix):


@@ -625,6 +628,7 @@ class CustomPDFFormView(AjaxableFormView):
     form_class = forms.CustomPDFForm
     title = ugettext_lazy('Download custom PDF')
     submit = ugettext_lazy('Download')
     form_class = forms.CustomPDFForm
     title = ugettext_lazy('Download custom PDF')
     submit = ugettext_lazy('Download')

+    template = 'catalogue/custom_pdf_form.html'

     honeypot = True
 
     def __call__(self, *args, **kwargs):
     honeypot = True
 
     def __call__(self, *args, **kwargs):


@@ -650,13 +654,14 @@ class CustomPDFFormView(AjaxableFormView):
 
 @ssi_included
 def book_mini(request, pk, with_link=True):
 
 @ssi_included
 def book_mini(request, pk, with_link=True):

-    book = get_object_or_404(Book, pk=pk)
-    author_str = ", ".join(tag.name for tag in book.tags.filter(category='author'))
+    # book = get_object_or_404(Book, pk=pk)
+    try:
+        book = Book.objects.only('cover_thumb', 'title', 'language', 'slug').get(pk=pk)
+    except Book.DoesNotExist:
+        raise Http404

     return render(request, 'catalogue/book_mini_box.html', {
         'book': book,
     return render(request, 'catalogue/book_mini_box.html', {
         'book': book,

-        'author_str': author_str,
-        'with_link': with_link,
-        'show_lang': book.language_code() != settings.LANGUAGE_CODE,
+        'no_link': not with_link,

     })
 
 
     })
 
 


@@ -738,10 +743,10 @@ def tag_box(request, pk):
 
 @ssi_included
 def collection_box(request, pk):
 
 @ssi_included
 def collection_box(request, pk):

-    obj = get_object_or_404(Collection, pk=pk)
+    collection = get_object_or_404(Collection, pk=pk)

 
     return render(request, 'catalogue/collection_box.html', {
 
     return render(request, 'catalogue/collection_box.html', {

-        'obj': obj,
+        'collection': collection,

     })
 
 
     })
 
 


@@ -780,3 +785,17 @@ def collections(request):
         'objects': objects,
         'best': best,
     })
         'objects': objects,
         'best': best,
     })

+
+
+def ridero_cover(request, slug):
+    from librarian.cover import DefaultEbookCover
+    wldoc = Book.objects.get(slug=slug).wldocument()
+    cover = DefaultEbookCover(wldoc.book_info, width=980, bleed=20, format='PNG')
+    response = HttpResponse(content_type="image/png")
+    cover.save(response)
+    return response
+
+
+def get_isbn(request, book_format, slug):
+    book = Book.objects.get(slug=slug)
+    return HttpResponse(book.extra_info.get('isbn_%s' % book_format))