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[osqa.git] / forum / utils / pagination.py

diff --git a/forum/utils/pagination.py b/forum/utils/pagination.py
index a573954e46df720761738d397e2eb280306f8078..d605d5f0788b4a43f67537a0414c45d8d8e8f3c5 100644 (file)
--- a/forum/utils/pagination.py
+++ b/forum/utils/pagination.py
@@ -3,12 +3,24 @@ from django.utils.datastructures import SortedDict
 from django import template
 from django.core.paginator import Paginator, EmptyPage
 from django.utils.translation import ugettext as _
+from django.utils.html import escape
 from django.http import Http404
+from django.utils.encoding import smart_unicode
+from django.utils.http import urlquote
 from django.utils.safestring import mark_safe
-from django.utils.html import strip_tags
-
+from django.utils.html import strip_tags, escape
+from forum.utils.html import sanitize_html
 import logging
 
+def generate_uri(querydict, exclude=None):
+    all = []
+
+    for k, l in querydict.iterlists():
+        if (not exclude) or (not k in exclude):
+            all += ["%s=%s" % (k, escape(strip_tags(v))) for v in l]
+        
+    return "&".join(all)
+
 class SortBase(object):
     def __init__(self, label, description=''):
         self.label = label
@@ -19,11 +31,14 @@ class SimpleSort(SortBase):
         super(SimpleSort, self) .__init__(label, description)
         self.order_by = order_by
 
+    def _get_order_by(self):
+        return isinstance(self.order_by, (list, tuple)) and self.order_by or [self.order_by]
+
     def apply(self, objects):
-        if isinstance(self.order_by, (list, tuple)):
-            return objects.order_by(*self.order_by)
-        else:
-            return objects.order_by(self.order_by)
+        if self.order_by:
+            return objects.order_by(*self._get_order_by())
+
+        return objects
 
 class PaginatorContext(object):
     visible_page_range = 5
@@ -107,7 +122,7 @@ class PaginatorContext(object):
 
     def page(self, request):
         try:
-            return int(request.GET.get(self.PAGE, 1))
+            return int(request.GET.get(self.PAGE, "1").strip())
         except ValueError:
             logging.error('Found invalid page number "%s", loading %s, refered by %s' % (
                 request.GET.get(self.PAGE, ''), request.path, request.META.get('HTTP_REFERER', 'UNKNOWN')
@@ -189,19 +204,19 @@ def _paginated(request, objects, context):
         base_path = context.base_path
     else:
         base_path = request.path
-        get_params = ["%s=%s" % (k, v) for k, v in request.GET.items() if not k in (context.PAGE, context.PAGESIZE, context.SORT)]
+        get_params = generate_uri(request.GET, (context.PAGE, context.PAGESIZE, context.SORT))
 
         if get_params:
-            base_path += "?" + "&".join(get_params)
+            base_path += "?" + get_params
 
-    url_joiner = "?" in base_path and "&" or "?"
+    url_joiner = "?" in base_path and "&" or "?"
 
 
     def get_page():
         object_list = page_obj.object_list
 
-        if hasattr(object_list, 'lazy'):
-            return object_list.lazy()
+        #if hasattr(object_list, 'lazy'):
+        #    return object_list.lazy()
         return object_list
     paginator.page = get_page()
 
@@ -230,9 +245,9 @@ def _paginated(request, objects, context):
             page_numbers = []
 
             if sort:
-                url_builder = lambda n: mark_safe("%s%s%s=%s&%s=%s" % (base_path, url_joiner, context.SORT, sort, context.PAGE, n))
+                url_builder = lambda n: mark_safe("%s%s%s=%s&%s=%s" % (escape(base_path), url_joiner, context.SORT, sort, context.PAGE, n))
             else:
-                url_builder = lambda n: mark_safe("%s%s%s=%s" % (base_path, url_joiner, context.PAGE, n))
+                url_builder = lambda n: mark_safe("%s%s%s=%s" % (escape(base_path), url_joiner, context.PAGE, n))
 
             if range_start > (context.outside_page_range + 1):
                 page_numbers.append([(n, url_builder(n)) for n in range(1, context.outside_page_range + 1)])
@@ -263,9 +278,9 @@ def _paginated(request, objects, context):
     if pagesize:
         def page_sizes():
             if sort:
-                url_builder = lambda s: mark_safe("%s%s%s=%s&%s=%s" % (base_path, url_joiner, context.SORT, sort, context.PAGESIZE, s))
+                url_builder = lambda s: mark_safe("%s%s%s=%s&%s=%s" % (escape(base_path), url_joiner, context.SORT, sort, context.PAGESIZE, s))
             else:
-                url_builder = lambda s: mark_safe("%s%s%s=%s" % (base_path, url_joiner, context.PAGESIZE, s))
+                url_builder = lambda s: mark_safe("%s%s%s=%s" % (escape(base_path), url_joiner, context.PAGESIZE, s))
 
             sizes = [(s, url_builder(s)) for s in context.pagesizes]
 
@@ -280,9 +295,12 @@ def _paginated(request, objects, context):
 
     if sort:
         def sort_tabs():
-            url_builder = lambda s: mark_safe("%s%s%s=%s" % (base_path, url_joiner, context.SORT, s))
+            url_builder = lambda s: mark_safe("%s%s%s=%s" % (escape(base_path), url_joiner, context.SORT, s))
             sorts = [(n, s.label, url_builder(n), strip_tags(s.description)) for n, s in context.sort_methods.items()]
 
+            for name, label, url, descr in sorts:
+                paginator.__dict__['%s_sort_link' % name] = smart_unicode(url)
+
             return sort_tabs_template.render(template.Context({
                 'current': sort,
                 'sorts': sorts,
@@ -290,9 +308,11 @@ def _paginated(request, objects, context):
             }))
         paginator.sort_tabs = sort_tabs()
         paginator.sort_description = mark_safe(context.sort_methods[sort].description)
+        paginator.current_sort = sort
     else:
         paginator.sort_tabs = paginator.sort_description = ''
+        paginator.current_sort = ''
 
     context.set_preferences(request, session_prefs)
     objects.paginator = paginator
-    return objects
\ No newline at end of file
+    return objects