def book_preview_absolute_url(book, size='x148'):
"""
Returns a correctly formatted absolute_url in order to print a book preview.
"""
if not book:
url = get_model_for_paperpage().get_page_under_construction_preview_url(size=size)
else:
url = book.get_preview_absolute_url(size=size)
return conditional_escape(url)
def publication_preview_absolute_url(publication, size='x148'):
"""
Returns a correctly formatted absolute_url in order to print a publication preview.
"""
if not publication:
# publication.get_preview_absolute_url knows how to handle a publication
# with no PaperPage attached, but here we don't even have a Publication,
# so take a shortcut and use PaperPage.get_page_under_construction_preview_url
url = get_model_for_paperpage().get_page_under_construction_preview_url(size=size)
else:
url = publication.get_preview_absolute_url(size=size)
return conditional_escape(url)
def reader_page_resized(request, *args, **kwargs):
# FIXME handle different formats, size, cropping.
paperpage_model = get_model_for_paperpage()
page = get_object_or_404(paperpage_model, pk=int(kwargs['id']))
rval, detail = PaperPageThumbnail(page).generate_thumbnail(request.GET.get('size', 'x500'))
if rval == PaperPageThumbnail.P_ERROR_BAD: # Something is wrong with the arguments
return HttpResponseBadRequest(str(detail))
elif rval == PaperPageThumbnail.P_ERROR_OS: # Something is wrong with the command used to generate the thumbnail. Bad file maybe ?
return HttpResponseServerError(str(detail))
else:
filename = detail
# Return the file
return HttpResponseXFile(filename)
