move a bunch of things to celery

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

diff --git a/apps/catalogue/views.py b/apps/catalogue/views.py
index 7ead471..eadaeca 100644 (file)
--- a/apps/catalogue/views.py
+++ b/apps/catalogue/views.py
@@ -7,7 +7,7 @@ import itertools
 
 from django.conf import settings
 from django.template import RequestContext
-from django.shortcuts import render_to_response, get_object_or_404
+from django.shortcuts import render_to_response, get_object_or_404, redirect
 from django.http import HttpResponse, HttpResponseRedirect, Http404, HttpResponsePermanentRedirect
 from django.core.urlresolvers import reverse
 from django.db.models import Q
@@ -22,14 +22,14 @@ from ajaxable.utils import JSONResponse, AjaxableFormView
 
 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, get_customized_pdf_path
+from catalogue.tasks import build_custom_pdf
 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 waiter.models import WaitedFile
 
 staff_required = user_passes_test(lambda user: user.is_staff)
 
@@ -538,12 +538,13 @@ def download_custom_pdf(request, slug, method='GET'):
         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)
+            pdf_file = 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")
+            url = WaitedFile.order(pdf_file,
+                    lambda p: build_custom_pdf.delay(book.id, cust, p),
+                    book.pretty_title()
+                )
+            return redirect(url)
         else:
             raise Http404(_('Incorrect customization options for PDF'))
     else:
@@ -554,6 +555,7 @@ class CustomPDFFormView(AjaxableFormView):
     form_class = forms.CustomPDFForm
     title = ugettext_lazy('Download custom PDF')
     submit = ugettext_lazy('Download')
+    honeypot = True
 
     def __call__(self, request):
         from copy import copy