merge new librarian changes with custom pdf fix

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

diff --git a/apps/catalogue/views.py b/apps/catalogue/views.py
index ac778d4..0722f39 100644 (file)
--- a/apps/catalogue/views.py
+++ b/apps/catalogue/views.py
@@ -2,12 +2,6 @@
 # This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
 #
 # This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
 #

-import tempfile
-import zipfile
-import tarfile
-import sys
-import pprint
-import traceback

 import re
 import itertools
 from datetime import datetime
 import re
 import itertools
 from datetime import datetime


@@ -28,18 +22,18 @@ from django.utils.functional import Promise
 from django.utils.encoding import force_unicode
 from django.utils.http import urlquote_plus
 from django.views.decorators import cache
 from django.utils.encoding import force_unicode
 from django.utils.http import urlquote_plus
 from django.views.decorators import cache

+from django.utils import translation

 from django.utils.translation import ugettext as _
 from django.views.generic.list_detail import object_list
 
 from catalogue import models
 from catalogue import forms
 from django.utils.translation import ugettext as _
 from django.views.generic.list_detail import object_list
 
 from catalogue import models
 from catalogue import forms

-from catalogue.utils import split_tags
-from newtagging import views as newtagging_views
+from catalogue.utils import split_tags, AttachmentHttpResponse, async_build_pdf

 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 slughifi import slughifi

 
 

+from os import path

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


@@ -82,34 +76,8 @@ def book_list(request, filter=None, template_name='catalogue/book_list.html'):
 
     form = forms.SearchForm()
 
 
     form = forms.SearchForm()
 

-    books_by_parent = {}
-    books = models.Book.objects.all().order_by('parent_number', 'title').only('title', 'parent', 'slug')
-    if filter:
-        books = books.filter(filter).distinct()
-        book_ids = set((book.pk for book in books))
-        for book in books:
-            parent = book.parent_id
-            if parent not in book_ids:
-                parent = None
-            books_by_parent.setdefault(parent, []).append(book)
-    else:
-        for book in books:
-            books_by_parent.setdefault(book.parent_id, []).append(book)
-
-    orphans = []
-    books_by_author = SortedDict()
+    books_by_author, orphans, books_by_parent = models.Book.book_list(filter)

     books_nav = SortedDict()
     books_nav = SortedDict()

-    for tag in models.Tag.objects.filter(category='author'):
-        books_by_author[tag] = []
-
-    for book in books_by_parent.get(None,()):
-        authors = list(book.tags.filter(category='author'))
-        if authors:
-            for author in authors:
-                books_by_author[author].append(book)
-        else:
-            orphans.append(book)
-

     for tag in books_by_author:
         if books_by_author[tag]:
             books_nav.setdefault(tag.sort_key[0], []).append(tag)
     for tag in books_by_author:
         if books_by_author[tag]:
             books_nav.setdefault(tag.sort_key[0], []).append(tag)


@@ -128,23 +96,6 @@ def daisy_list(request):
                      template_name='catalogue/daisy_list.html')
 
 
                      template_name='catalogue/daisy_list.html')
 
 

-def counters(request):
-    books = models.Book.objects.count()
-    books_nonempty = models.Book.objects.exclude(html_file='').count()
-    books_empty = models.Book.objects.filter(html_file='').count()
-    books_root = models.Book.objects.filter(parent=None).count()
-
-    media = models.BookMedia.objects.count()
-    media_types = models.BookMedia.objects.values('type').\
-            annotate(count=Count('type')).\
-            order_by('type')
-    for mt in media_types:
-        mt['size'] = sum(b.file.size for b in models.BookMedia.objects.filter(type=mt['type']))
-
-    return render_to_response('catalogue/counters.html',
-                locals(), context_instance=RequestContext(request))
-
-

 def differentiate_tags(request, tags, ambiguous_slugs):
     beginning = '/'.join(tag.url_chunk for tag in tags)
     unparsed = '/'.join(ambiguous_slugs[1:])
 def differentiate_tags(request, tags, ambiguous_slugs):
     beginning = '/'.join(tag.url_chunk for tag in tags)
     unparsed = '/'.join(ambiguous_slugs[1:])


@@ -213,14 +164,10 @@ def tagged_object_list(request, tags=''):
 
             objects = fragments
     else:
 
             objects = fragments
     else:

-        # get relevant books and their tags
-        objects = models.Book.tagged.with_all(tags)
-        if not shelf_is_set:
-            # eliminate descendants
-            l_tags = models.Tag.objects.filter(category='book', slug__in=[book.book_tag_slug() for book in objects])
-            descendants_keys = [book.pk for book in models.Book.tagged.with_any(l_tags)]
-            if descendants_keys:
-                objects = objects.exclude(pk__in=descendants_keys)
+        if shelf_is_set:
+            objects = models.Book.tagged.with_all(tags)
+        else:
+            objects = models.Book.tagged_top_level(tags)

 
         # get related tags from `tag_counter` and `theme_counter`
         related_counts = {}
 
         # get related tags from `tag_counter` and `theme_counter`
         related_counts = {}


@@ -252,15 +199,18 @@ def tagged_object_list(request, tags=''):
             'only_author': only_author,
             'only_my_shelf': only_my_shelf,
             'formats_form': forms.DownloadFormatsForm(),
             'only_author': only_author,
             'only_my_shelf': only_my_shelf,
             'formats_form': forms.DownloadFormatsForm(),

-

             'tags': tags,
         }
     )
 
 
             'tags': tags,
         }
     )
 
 

-def book_fragments(request, book_slug, theme_slug):
-    book = get_object_or_404(models.Book, slug=book_slug)
-    book_tag = get_object_or_404(models.Tag, slug='l-' + book_slug, category='book')
+def book_fragments(request, book, theme_slug):
+    kwargs = models.Book.split_urlid(book)
+    if kwargs is None:
+        raise Http404
+    book = get_object_or_404(models.Book, **kwargs)
+
+    book_tag = book.book_tag()

     theme = get_object_or_404(models.Tag, slug=theme_slug, category='theme')
     fragments = models.Fragment.tagged.with_all([book_tag, theme])
 
     theme = get_object_or_404(models.Tag, slug=theme_slug, category='theme')
     fragments = models.Fragment.tagged.with_all([book_tag, theme])
 


@@ -269,16 +219,19 @@ def book_fragments(request, book_slug, theme_slug):
         context_instance=RequestContext(request))
 
 
         context_instance=RequestContext(request))
 
 

-def book_detail(request, slug):
+def book_detail(request, book):
+    kwargs = models.Book.split_urlid(book)
+    if kwargs is None:
+        raise Http404

     try:
     try:

-        book = models.Book.objects.get(slug=slug)
+        book = models.Book.objects.get(**kwargs)

     except models.Book.DoesNotExist:
     except models.Book.DoesNotExist:

-        return pdcounter_views.book_stub_detail(request, slug)
+        return pdcounter_views.book_stub_detail(request, kwargs['slug'])

 
     book_tag = book.book_tag()
     tags = list(book.tags.filter(~Q(category='set')))
     categories = split_tags(tags)
 
     book_tag = book.book_tag()
     tags = list(book.tags.filter(~Q(category='set')))
     categories = split_tags(tags)

-    book_children = book.children.all().order_by('parent_number', 'title')
+    book_children = book.children.all().order_by('parent_number', 'sort_key')

     
     _book = book
     parents = []
     
     _book = book
     parents = []


@@ -293,14 +246,32 @@ def book_detail(request, slug):
         tag.count = theme_counter[tag.pk]
 
     extra_info = book.get_extra_info_value()
         tag.count = theme_counter[tag.pk]
 
     extra_info = book.get_extra_info_value()

+    hide_about = extra_info.get('about', '').startswith('http://wiki.wolnepodreczniki.pl')
+
+    projects = set()
+    for m in book.media.filter(type='mp3'):
+        # ogg files are always from the same project
+        meta = m.get_extra_info_value()
+        project = meta.get('project')
+        if not project:
+            # temporary fallback
+            project = u'CzytamySłuchając'
+
+        projects.add((project, meta.get('funded_by', '')))
+    projects = sorted(projects)

 
     form = forms.SearchForm()
 
     form = forms.SearchForm()

+    custom_pdf_form = forms.CustomPDFForm()

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

-def book_text(request, slug):
-    book = get_object_or_404(models.Book, slug=slug)
+def book_text(request, book):
+    kwargs = models.Book.split_fileid(book)
+    if kwargs is None:
+        raise Http404
+    book = get_object_or_404(models.Book, **kwargs)
+

     if not book.has_html_file():
         raise Http404
     book_themes = {}
     if not book.has_html_file():
         raise Http404
     book_themes = {}


@@ -432,7 +403,7 @@ def books_starting_with(prefix):
 
 
 def find_best_matches(query, user=None):
 
 
 def find_best_matches(query, user=None):

-    """ Finds a Book, Tag, BookStub or Author best matching a query.
+    """ Finds a models.Book, Tag, models.BookStub or Author best matching a query.

 
     Returns a with:
       - zero elements when nothing is found,
 
     Returns a with:
       - zero elements when nothing is found,


@@ -534,11 +505,15 @@ def user_shelves(request):
             context_instance=RequestContext(request))
 
 @cache.never_cache
             context_instance=RequestContext(request))
 
 @cache.never_cache

-def book_sets(request, slug):
+def book_sets(request, book):

     if not request.user.is_authenticated():
         return HttpResponse(_('<p>To maintain your shelves you need to be logged in.</p>'))
 
     if not request.user.is_authenticated():
         return HttpResponse(_('<p>To maintain your shelves you need to be logged in.</p>'))
 

-    book = get_object_or_404(models.Book, slug=slug)
+    kwargs = models.Book.split_urlid(book)
+    if kwargs is None:
+        raise Http404
+    book = get_object_or_404(models.Book, **kwargs)
+

     user_sets = models.Tag.objects.filter(category='set', user=request.user)
     book_sets = book.tags.filter(category='set', user=request.user)
 
     user_sets = models.Tag.objects.filter(category='set', user=request.user)
     book_sets = book.tags.filter(category='set', user=request.user)
 


@@ -573,7 +548,11 @@ def book_sets(request, slug):
 @require_POST
 @cache.never_cache
 def remove_from_shelf(request, shelf, book):
 @require_POST
 @cache.never_cache
 def remove_from_shelf(request, shelf, book):

-    book = get_object_or_404(models.Book, slug=book)
+    kwargs = models.Book.split_urlid(book)
+    if kwargs is None:
+        raise Http404
+    book = get_object_or_404(models.Book, **kwargs)
+

     shelf = get_object_or_404(models.Tag, slug=shelf, category='set', user=request.user)
 
     if shelf in book.tags:
     shelf = get_object_or_404(models.Tag, slug=shelf, category='set', user=request.user)
 
     if shelf in book.tags:


@@ -607,6 +586,10 @@ def download_shelf(request, slug):
     without loading the whole file into memory. A similar approach can
     be used for large dynamic PDF files.
     """
     without loading the whole file into memory. A similar approach can
     be used for large dynamic PDF files.
     """

+    from slughifi import slughifi
+    import tempfile
+    import zipfile
+

     shelf = get_object_or_404(models.Tag, slug=slug, category='set')
 
     formats = []
     shelf = get_object_or_404(models.Tag, slug=slug, category='set')
 
     formats = []


@@ -614,7 +597,7 @@ def download_shelf(request, slug):
     if form.is_valid():
         formats = form.cleaned_data['formats']
     if len(formats) == 0:
     if form.is_valid():
         formats = form.cleaned_data['formats']
     if len(formats) == 0:

-        formats = ['pdf', 'epub', 'odt', 'txt']
+        formats = ['pdf', 'epub', 'mobi', 'odt', 'txt']

 
     # Create a ZIP archive
     temp = tempfile.TemporaryFile()
 
     # Create a ZIP archive
     temp = tempfile.TemporaryFile()


@@ -622,12 +605,16 @@ def download_shelf(request, slug):
 
     already = set()
     for book in collect_books(models.Book.tagged.with_all(shelf)):
 
     already = set()
     for book in collect_books(models.Book.tagged.with_all(shelf)):

+        fileid = book.fileid()

         if 'pdf' in formats and book.pdf_file:
             filename = book.pdf_file.path
         if 'pdf' in formats and book.pdf_file:
             filename = book.pdf_file.path

-            archive.write(filename, str('%s.pdf' % book.slug))
+            archive.write(filename, str('%s.pdf' % fileid))
+        if 'mobi' in formats and book.mobi_file:
+            filename = book.mobi_file.path
+            archive.write(filename, str('%s.mobi' % fileid))

         if book.root_ancestor not in already and 'epub' in formats and book.root_ancestor.epub_file:
             filename = book.root_ancestor.epub_file.path
         if book.root_ancestor not in already and 'epub' in formats and book.root_ancestor.epub_file:
             filename = book.root_ancestor.epub_file.path

-            archive.write(filename, str('%s.epub' % book.root_ancestor.slug))
+            archive.write(filename, str('%s.epub' % book.root_ancestor.fileid()))

             already.add(book.root_ancestor)
         if 'odt' in formats and book.has_media("odt"):
             for file in book.get_media("odt"):
             already.add(book.root_ancestor)
         if 'odt' in formats and book.has_media("odt"):
             for file in book.get_media("odt"):


@@ -635,7 +622,7 @@ def download_shelf(request, slug):
                 archive.write(filename, str('%s.odt' % slughifi(file.name)))
         if 'txt' in formats and book.txt_file:
             filename = book.txt_file.path
                 archive.write(filename, str('%s.odt' % slughifi(file.name)))
         if 'txt' in formats and book.txt_file:
             filename = book.txt_file.path

-            archive.write(filename, str('%s.txt' % book.slug))
+            archive.write(filename, str('%s.txt' % fileid))

     archive.close()
 
     response = HttpResponse(content_type='application/zip', mimetype='application/x-zip-compressed')
     archive.close()
 
     response = HttpResponse(content_type='application/zip', mimetype='application/x-zip-compressed')


@@ -654,13 +641,15 @@ def shelf_book_formats(request, shelf):
     """
     shelf = get_object_or_404(models.Tag, slug=shelf, category='set')
 
     """
     shelf = get_object_or_404(models.Tag, slug=shelf, category='set')
 

-    formats = {'pdf': False, 'epub': False, 'odt': False, 'txt': False}
+    formats = {'pdf': False, 'epub': False, 'mobi': False, 'odt': False, 'txt': False}

 
     for book in collect_books(models.Book.tagged.with_all(shelf)):
         if book.pdf_file:
             formats['pdf'] = True
         if book.root_ancestor.epub_file:
             formats['epub'] = True
 
     for book in collect_books(models.Book.tagged.with_all(shelf)):
         if book.pdf_file:
             formats['pdf'] = True
         if book.root_ancestor.epub_file:
             formats['epub'] = True

+        if book.mobi_file:
+            formats['mobi'] = True

         if book.txt_file:
             formats['txt'] = True
         for format in ('odt',):
         if book.txt_file:
             formats['txt'] = True
         for format in ('odt',):


@@ -750,6 +739,9 @@ def import_book(request):
         try:
             book_import_form.save()
         except:
         try:
             book_import_form.save()
         except:

+            import sys
+            import pprint
+            import traceback

             info = sys.exc_info()
             exception = pprint.pformat(info[1])
             tb = '\n'.join(traceback.format_tb(info[2]))
             info = sys.exc_info()
             exception = pprint.pformat(info[1])
             tb = '\n'.join(traceback.format_tb(info[2]))


@@ -767,23 +759,52 @@ def clock(request):
     return HttpResponse(datetime.now().strftime('%Y/%m/%d %H:%M:%S'))
 
 
     return HttpResponse(datetime.now().strftime('%Y/%m/%d %H:%M:%S'))
 
 

-@cache.never_cache
-def xmls(request):
-    """"
-    Create a zip archive with all XML files.
-    This should be removed when we have real API.
-    """
-    temp = tempfile.TemporaryFile()
-    archive = zipfile.ZipFile(temp, 'w')
+# info views for API

 
 

-    for book in models.Book.objects.all():
-        archive.write(book.xml_file.path, str('%s.xml' % book.slug))
-    archive.close()
+def book_info(request, id, lang='pl'):
+    book = get_object_or_404(models.Book, id=id)
+    # set language by hand
+    translation.activate(lang)
+    return render_to_response('catalogue/book_info.html', locals(),
+        context_instance=RequestContext(request))

 
 

-    response = HttpResponse(content_type='application/zip', mimetype='application/x-zip-compressed')
-    response['Content-Disposition'] = 'attachment; filename=xmls.zip'
-    response['Content-Length'] = temp.tell()

 
 

-    temp.seek(0)
-    response.write(temp.read())
-    return response
+def tag_info(request, id):
+    tag = get_object_or_404(models.Tag, id=id)
+    return HttpResponse(tag.description)
+
+
+def download_zip(request, format, book=None):
+    kwargs = models.Book.split_fileid(book)
+
+    url = None
+    if format in ('pdf', 'epub', 'mobi'):
+        url = models.Book.zip_format(format)
+    elif format == 'audiobook' and kwargs is not None:
+        book = get_object_or_404(models.Book, **kwargs)
+        url = book.zip_audiobooks()
+    else:
+        raise Http404('No format specified for zip package')
+    return HttpResponseRedirect(urlquote_plus(settings.MEDIA_URL + url, safe='/?='))
+
+
+def download_custom_pdf(request, book_fileid):
+    kwargs = models.Book.split_urlid(book)
+    if kwargs is None:
+        raise Http404
+    book = get_object_or_404(models.Book, **kwargs)
+
+    if request.method == 'GET':
+        form = forms.CustomPDFForm(request.GET)
+        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_fileid), file_path=pdf_file, mimetype="application/pdf")
+        else:
+            raise Http404(_('Incorrect customization options for PDF'))
+    else:
+        raise Http404(_('Bad method'))