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[osqa.git] / forum / views / decorators.py

diff --git a/forum/views/decorators.py b/forum/views/decorators.py
index cf5f90373288f5b5a7e45dca546a1bb88e0b4e67..758b6876294907998de3fec82cee22fabfef30b0 100644 (file)
--- a/forum/views/decorators.py
+++ b/forum/views/decorators.py
@@ -1,77 +1,69 @@
-from django.http import HttpResponse, HttpResponseRedirect\r
+from django.http import HttpResponse, HttpResponseRedirect, Http404\r
 from django.utils import simplejson\r
-from django.core.paginator import Paginator\r
+from django.core.paginator import Paginator, EmptyPage\r
 from django.shortcuts import render_to_response\r
+from django.core.urlresolvers import reverse\r
 from django.template import RequestContext\r
+from django.utils.translation import ungettext, ugettext as _\r
+from forum.modules import ui, decorate\r
+import logging\r
 \r
-def render(template=None, tab=None):\r
-    def decorator(func):\r
-        def decorated(request, *args, **kwargs):\r
-            context = func(request, *args, **kwargs)\r
+def render(template=None, tab=None, tab_title='', weight=500, tabbed=True):\r
+    def decorator(func):        \r
+        def decorated(context, request, *args, **kwargs):\r
+            if isinstance(context, HttpResponse):\r
+                return context\r
 \r
             if tab is not None:\r
                 context['tab'] = tab\r
 \r
-            return render_to_response(context.pop('template', template), context, context_instance=RequestContext(request))\r
-        return decorated\r
-    return decorator\r
-\r
-def list(paginate, default_page_size):\r
-    def decorator(func):\r
-        def decorated(request, *args, **kwargs):\r
-            context = func(request, *args, **kwargs)\r
-\r
-            pagesize = request.utils.page_size(default_page_size)\r
-            page = int(request.GET.get('page', 1))\r
+            return render_to_response(context.pop('template', template), context,\r
+                                      context_instance=RequestContext(request))\r
 \r
-            big_list = context[paginate]\r
-            paginator = Paginator(big_list, pagesize)\r
+        if tabbed and tab and tab_title:\r
+            ui.register(ui.PAGE_TOP_TABS,\r
+                        ui.PageTab(tab, tab_title, lambda: reverse(func.__name__), weight=weight))\r
+            \r
+        return decorate.result.withfn(decorated, needs_params=True)(func)\r
 \r
-            page_obj = paginator.page(page)\r
-            context[paginate] = page_obj.object_list\r
-\r
-            base_path = context.get('base_path', None) or request.path\r
-            sort = request.utils.sort_method('')\r
+    return decorator\r
 \r
-            context["pagination_context"] = {\r
-                'is_paginated' : True,\r
-                'pages': paginator.num_pages,\r
-                'page': page,\r
-                'has_previous': page_obj.has_previous(),\r
-                'has_next': page_obj.has_next(),\r
-                'previous': page_obj.previous_page_number(),\r
-                'next': page_obj.next_page_number(),\r
-                'base_url' : "%s%ssort=%s&" % (base_path, ('?' in base_path) and '&' or '?', sort),\r
-                'pagesize' : pagesize\r
-            }\r
+class CommandException(Exception):\r
+    pass\r
 \r
-            context['sort_context'] = {\r
-                'base_url': "%s%ssort=" % (base_path, ('?' in base_path) and '&' or '?'),\r
-                'current': sort,\r
-            }\r
+class RefreshPageCommand(HttpResponse):\r
+    def __init__(self):\r
+        super(RefreshPageCommand, self).__init__(\r
+                content=simplejson.dumps({'commands': {'refresh_page': []}, 'success': True}),\r
+                mimetype="application/json")\r
 \r
-            return context\r
-        return decorated\r
-    return decorator\r
+def command(func, request, *args, **kwargs):\r
+    try:\r
+        response = func(request, *args, **kwargs)\r
 \r
+        if isinstance(response, HttpResponse):\r
+            return response\r
 \r
-def command(func):\r
-    def decorated(request, *args, **kwargs):\r
-        try:\r
-            response = func(request, *args, **kwargs)\r
-            response['success'] = True\r
-        except Exception, e:\r
-            #import sys, traceback\r
-            #traceback.print_exc(file=sys.stdout)\r
+        response['success'] = True\r
+    except Exception, e:\r
+        import traceback\r
+        #traceback.print_exc()\r
 \r
+        if isinstance(e, CommandException):\r
             response = {\r
-                'success': False,\r
-                'error_message': str(e)\r
+            'success': False,\r
+            'error_message': e.message\r
             }\r
-\r
-        if request.is_ajax():\r
-            return HttpResponse(simplejson.dumps(response), mimetype="application/json")\r
         else:\r
-            return HttpResponseRedirect(request.META.get('HTTP_REFERER', '/'))\r
+            logging.error("%s: %s" % (func.__name__, str(e)))\r
+            logging.error(traceback.format_exc())\r
+            response = {\r
+            'success': False,\r
+            'error_message': _("We're sorry, but an unknown error ocurred.<br />Please try again in a while.")\r
+            }\r
+\r
+    if request.is_ajax():\r
+        return HttpResponse(simplejson.dumps(response), mimetype="application/json")\r
+    else:\r
+        return HttpResponseRedirect(request.META.get('HTTP_REFERER', '/'))\r
 \r
-    return decorated
\ No newline at end of file