merged in latest Mikes changes

1 files changed, 29 insertions, 0 deletions

diff --git a/middleware/pagesize.py b/middleware/pagesize.py
new file mode 100644
index 00000000..bb6c7aa3
--- /dev/null
+++ b/middleware/pagesize.py
@@ -0,0 +1,29 @@
+# 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.
+        pagesize_changed = False
+        # get pagesize from session, if failed then get default value
+        user_page_size = request.session.get("pagesize", QUESTIONS_PAGE_SIZE)
+        # set pagesize 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 pagesize from UI selection
+            pagesize = int(request.GET.get('pagesize', user_page_size))
+            if pagesize <> user_page_size:
+                pagesize_changed = True
+
+        except ValueError:
+            pagesize  = user_page_size
+        
+        # save this pagesize to user database
+        if pagesize_changed:
+            if request.user.is_authenticated():
+                user = request.user
+                user.questions_per_page = pagesize
+                user.save()
+        # put pagesize into session
+        request.session["pagesize"] = pagesize
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