Fix for a bug introduced in refactoring: customized pdfs were instantly deleted,...

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

diff --git a/apps/catalogue/views.py b/apps/catalogue/views.py
index 5f0b016..2bc1f10 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.
 #
-import tempfile
-import zipfile
-import tarfile
-import sys
-import pprint
-import traceback
 import re
 import itertools
 from datetime import datetime
@@ -34,13 +28,12 @@ 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 slughifi import slughifi
 
+from os import path
 
 staff_required = user_passes_test(lambda user: user.is_staff)
 
@@ -261,6 +254,7 @@ def book_detail(request, slug):
     projects = sorted(projects)
 
     form = forms.SearchForm()
+    custom_pdf_form = forms.CustomPDFForm()
     return render_to_response('catalogue/book_detail.html', locals(),
         context_instance=RequestContext(request))
 
@@ -573,6 +567,10 @@ def download_shelf(request, slug):
     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 = []
@@ -721,6 +719,9 @@ def import_book(request):
         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]))
@@ -763,3 +764,21 @@ def download_zip(request, format, slug):
     else:
         raise Http404('No format specified for zip package')
     return HttpResponseRedirect(urlquote_plus(settings.MEDIA_URL + url, safe='/?='))
+
+
+def download_custom_pdf(request, slug):
+    book = models.Book.objects.get(slug=slug)
+    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.slug), file_path=pdf_file, mimetype="application/pdf")
+        else:
+            raise Http404(_('Incorrect customization options for PDF'))
+    else:
+        raise Http404(_('Bad method'))