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# used in questions
QUESTIONS_PAGE_SIZE = 10
class QuestionsPageSizeMiddleware(object):
def process_request(self, request):
# Set flag to False by default. If it is equal to True, then need to be saved.
page_size_changed = False
# get page_size from session, if failed then get default value
user_page_size = request.session.get("page_size", QUESTIONS_PAGE_SIZE)
# set page_size equal to logon user specified value in database
if request.user.is_authenticated() and request.user.questions_per_page > 0:
user_page_size = request.user.questions_per_page
try:
# get new page_size from UI selection
page_size = int(request.GET.get('page_size', user_page_size))
if page_size <> user_page_size:
page_size_changed = True
except ValueError:
page_size = user_page_size
# save this page_size to user database
if page_size_changed:
if request.user.is_authenticated():
user = request.user
user.questions_per_page = page_size
user.save()
# put page_size into session
request.session["page_size"] = page_size
def process_exception(self,request,exception):
import logging
logging.debug('have exception %s' % str(exception))
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