Adds options to control the behaviour of urls.

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

diff --git a/forum/views/readers.py b/forum/views/readers.py
index eed8fd597877ee9a4cedc23b736325f8a077e4e9..4a839b0be81ef3f073cbb5a4518cbc8a0608a2c3 100644 (file)
--- a/forum/views/readers.py
+++ b/forum/views/readers.py
@@ -28,56 +28,52 @@ from forum.models import *
 from forum.forms import get_next_url
 from forum.actions import QuestionViewAction
 from forum.http_responses import HttpResponseUnauthorized
 from forum.forms import get_next_url
 from forum.actions import QuestionViewAction
 from forum.http_responses import HttpResponseUnauthorized

-from forum.feed import RssQuestionFeed
+from forum.feed import RssQuestionFeed, RssAnswerFeed

 import decorators
 
 import decorators
 

-# used in index page
-#refactor - move these numbers somewhere?
-INDEX_PAGE_SIZE = 30
-INDEX_AWARD_SIZE = 15
-INDEX_TAGS_SIZE = 25
-# used in tags list
-DEFAULT_PAGE_SIZE = 60
-# used in questions
-QUESTIONS_PAGE_SIZE = 30
-# used in answers
-ANSWERS_PAGE_SIZE = 10
-

 class QuestionListPaginatorContext(pagination.PaginatorContext):
 class QuestionListPaginatorContext(pagination.PaginatorContext):

-    def __init__(self):
-        super (QuestionListPaginatorContext, self).__init__('QUESTIONS_LIST', sort_methods=(
+    def __init__(self, id='QUESTIONS_LIST', prefix='', default_pagesize=30):
+        super (QuestionListPaginatorContext, self).__init__(id, sort_methods=(

             (_('active'), pagination.SimpleSort(_('active'), '-last_activity_at', _("most recently updated questions"))),
             (_('newest'), pagination.SimpleSort(_('newest'), '-added_at', _("most recently asked questions"))),
             (_('hottest'), pagination.SimpleSort(_('hottest'), '-extra_count', _("hottest questions"))),
             (_('mostvoted'), pagination.SimpleSort(_('most voted'), '-score', _("most voted questions"))),
             (_('active'), pagination.SimpleSort(_('active'), '-last_activity_at', _("most recently updated questions"))),
             (_('newest'), pagination.SimpleSort(_('newest'), '-added_at', _("most recently asked questions"))),
             (_('hottest'), pagination.SimpleSort(_('hottest'), '-extra_count', _("hottest questions"))),
             (_('mostvoted'), pagination.SimpleSort(_('most voted'), '-score', _("most voted questions"))),

-        ), pagesizes=(15, 30, 50))
+        ), pagesizes=(15, 30, 50), default_pagesize=default_pagesize, prefix=prefix)

 
 class AnswerPaginatorContext(pagination.PaginatorContext):
 
 class AnswerPaginatorContext(pagination.PaginatorContext):

+    def __init__(self, id='ANSWER_LIST', prefix='', default_pagesize=10):
+        super (AnswerPaginatorContext, self).__init__(id, sort_methods=(
+            (_('oldest'), pagination.SimpleSort(_('oldest answers'), ('-marked', 'added_at'), _("oldest answers will be shown first"))),
+            (_('newest'), pagination.SimpleSort(_('newest answers'), ('-marked', '-added_at'), _("newest answers will be shown first"))),
+            (_('votes'), pagination.SimpleSort(_('popular answers'), ('-marked', '-score', 'added_at'), _("most voted answers will be shown first"))),
+        ), default_sort=_('votes'), pagesizes=(5, 10, 20), default_pagesize=default_pagesize, prefix=prefix)
+
+class TagPaginatorContext(pagination.PaginatorContext):

     def __init__(self):
     def __init__(self):

-        super (AnswerPaginatorContext, self).__init__('ANSWER_LIST', sort_methods=(
-            (_('oldest'), pagination.SimpleSort(_('oldest answers'), 'added_at', _("oldest answers will be shown first"))),
-            (_('latest'), pagination.SimpleSort(_('newest answers'), '-added_at', _("newest answers will be shown first"))),
-            (_('votes'), pagination.SimpleSort(_('popular answers'), '-score', _("most voted answers will be shown first"))),
-        ), default_sort=_('votes'), pagesizes=(5, 10, 20))
-
-        self.sticky_sort = True
+        super (TagPaginatorContext, self).__init__('TAG_LIST', sort_methods=(
+            (_('name'), pagination.SimpleSort(_('by name'), 'name', _("sorted alphabetically"))),
+            (_('used'), pagination.SimpleSort(_('by popularity'), '-used_count', _("sorted by frequency of tag use"))),
+        ), default_sort=_('used'), pagesizes=(30, 60, 120))

     
 
 def feed(request):
     return RssQuestionFeed(
     
 
 def feed(request):
     return RssQuestionFeed(

+                request,

                 Question.objects.filter_state(deleted=False).order_by('-last_activity_at'),
                 settings.APP_TITLE + _(' - ')+ _('latest questions'),
                 Question.objects.filter_state(deleted=False).order_by('-last_activity_at'),
                 settings.APP_TITLE + _(' - ')+ _('latest questions'),

-                settings.APP_DESCRIPTION,
-                request)(request)
+                settings.APP_DESCRIPTION)(request)

 
 
 @decorators.render('index.html')
 def index(request):
 
 
 @decorators.render('index.html')
 def index(request):

+    paginator_context = QuestionListPaginatorContext()
+    paginator_context.base_path = reverse('questions')

     return question_list(request,
                          Question.objects.all(),
                          sort=request.utils.set_sort_method('active'),
                          base_path=reverse('questions'),
     return question_list(request,
                          Question.objects.all(),
                          sort=request.utils.set_sort_method('active'),
                          base_path=reverse('questions'),

-                         feed_url=reverse('latest_questions_feed'))
+                         feed_url=reverse('latest_questions_feed'),
+                         paginator_context=paginator_context)

 
 @decorators.render('questions.html', 'unanswered', _('unanswered'), weight=400)
 def unanswered(request):
 
 @decorators.render('questions.html', 'unanswered', _('unanswered'), weight=400)
 def unanswered(request):


@@ -148,7 +144,8 @@ def question_list(request, initial,
         page_title = _("Questions")
 
     if request.GET.get('type', None) == 'rss':
         page_title = _("Questions")
 
     if request.GET.get('type', None) == 'rss':

-        return RssQuestionFeed(questions, page_title, list_description, request)(request)
+        questions = questions.order_by('-added_at')
+        return RssQuestionFeed(request, questions, page_title, list_description)(request)

 
     keywords =  ""
     if request.GET.get("q"):
 
     keywords =  ""
     if request.GET.get("q"):


@@ -164,7 +161,7 @@ def question_list(request, initial,
 
         feed_url = mark_safe(request.path + "?type=rss" + req_params)
 
 
         feed_url = mark_safe(request.path + "?type=rss" + req_params)
 

-    return pagination.paginated(request, 'questions', paginator_context or QuestionListPaginatorContext(), {
+    return pagination.paginated(request, ('questions', paginator_context or QuestionListPaginatorContext()), {

     "questions" : questions,
     "questions_count" : questions.count(),
     "answer_count" : answer_count,
     "questions" : questions,
     "questions_count" : questions.count(),
     "answer_count" : answer_count,


@@ -216,44 +213,18 @@ def question_search(request, keywords):
 @decorators.render('tags.html', 'tags', _('tags'), weight=100)
 def tags(request):
     stag = ""
 @decorators.render('tags.html', 'tags', _('tags'), weight=100)
 def tags(request):
     stag = ""

-    is_paginated = True
-    sortby = request.GET.get('sort', 'used')
-    try:
-        page = int(request.GET.get('page', '1'))
-    except ValueError:
-        page = 1
+    tags = Tag.active.all()

 
     if request.method == "GET":
         stag = request.GET.get("q", "").strip()
 
     if request.method == "GET":
         stag = request.GET.get("q", "").strip()

-        if stag != '':
-            objects_list = Paginator(Tag.active.filter(name__contains=stag), DEFAULT_PAGE_SIZE)
-        else:
-            if sortby == "name":
-                objects_list = Paginator(Tag.active.order_by("name"), DEFAULT_PAGE_SIZE)
-            else:
-                objects_list = Paginator(Tag.active.order_by("-used_count"), DEFAULT_PAGE_SIZE)
+        if stag:
+            tags = tags.filter(name__contains=stag)

 
 

-    try:
-        tags = objects_list.page(page)
-    except (EmptyPage, InvalidPage):
-        tags = objects_list.page(objects_list.num_pages)
-
-    return {
+    return pagination.paginated(request, ('tags', TagPaginatorContext()), {

         "tags" : tags,
         "stag" : stag,
         "tags" : tags,
         "stag" : stag,

-        "tab_id" : sortby,
-        "keywords" : stag,
-        "context" : {
-            'is_paginated' : is_paginated,
-            'pages': objects_list.num_pages,
-            'page': page,
-            'has_previous': tags.has_previous(),
-            'has_next': tags.has_next(),
-            'previous': tags.previous_page_number(),
-            'next': tags.next_page_number(),
-            'base_url' : reverse('tags') + '?sort=%s&' % sortby
-        }
-    }
+        "keywords" : stag
+    })

 
 def update_question_view_times(request, question):
     if not 'last_seen_in_question' in request.session:
 
 def update_question_view_times(request, question):
     if not 'last_seen_in_question' in request.session:


@@ -277,27 +248,72 @@ def match_question_slug(slug):
 
     return None
 
 
     return None
 

-@decorators.render("question.html", 'questions', tabbed=False)
-def question(request, id, slug):
+def answer_redirect(request, answer):
+    pc = AnswerPaginatorContext()
+
+    sort = pc.sort(request)
+
+    if sort == _('oldest'):
+        filter = Q(added_at__lt=answer.added_at)
+    elif sort == _('newest'):
+        filter = Q(added_at__gt=answer.added_at)
+    elif sort == _('votes'):
+        filter = Q(score__gt=answer.score) | Q(score=answer.score, added_at__lt=answer.added_at)
+    else:
+        raise Http404()
+        
+    count = answer.question.answers.filter(Q(marked=True) | filter).count()
+    pagesize = pc.pagesize(request)
+
+    page = count / pagesize
+    
+    if count % pagesize:
+        page += 1
+        
+    if page == 0:
+        page = 1
+
+    return HttpResponsePermanentRedirect("%s?%s=%s#%s" % (
+        answer.question.get_absolute_url(), _('page'), page, answer.id))
+
+@decorators.render("question.html", 'questions')
+def question(request, id, slug=None, answer=None):

     try:
         question = Question.objects.get(id=id)
     except:
         if slug:
             question = match_question_slug(slug)
             if question is not None:
     try:
         question = Question.objects.get(id=id)
     except:
         if slug:
             question = match_question_slug(slug)
             if question is not None:

-                return HttpResponsePermanentRedirect(question.get_absolute_url())
+                return HttpResponseRedirect(question.get_absolute_url())

 
         raise Http404()
 
     if question.nis.deleted and not request.user.can_view_deleted_post(question):
         raise Http404
 
 
         raise Http404()
 
     if question.nis.deleted and not request.user.can_view_deleted_post(question):
         raise Http404
 

+    if request.GET.get('type', None) == 'rss':
+        return RssAnswerFeed(request, question, include_comments=request.GET.get('comments', None) == 'yes')(request)
+
+    if answer:
+        answer = get_object_or_404(Answer, id=answer)
+
+        if (question.nis.deleted and not request.user.can_view_deleted_post(question)) or answer.question != question:
+            raise Http404
+
+        if answer.marked:
+            return HttpResponsePermanentRedirect(question.get_absolute_url())
+
+        return answer_redirect(request, answer)
+
+    if settings.FORCE_SINGLE_URL and ((not slug) or (slug != slugify(question.title))):
+        return HttpResponsePermanentRedirect(question.get_absolute_url())
+

     if request.POST:
         answer_form = AnswerForm(question, request.POST)
     else:
         answer_form = AnswerForm(question)
 
     if request.POST:
         answer_form = AnswerForm(question, request.POST)
     else:
         answer_form = AnswerForm(question)
 

-    answers = request.user.get_visible_answers(question).order_by("-marked")
+    answers = request.user.get_visible_answers(question)

 
     update_question_view_times(request, question)
 
 
     update_question_view_times(request, question)
 


@@ -309,7 +325,7 @@ def question(request, id, slug):
     else:
         subscription = False
 
     else:
         subscription = False
 

-    return pagination.paginated(request, 'answers', AnswerPaginatorContext(), {
+    return pagination.paginated(request, ('answers', AnswerPaginatorContext()), {

     "question" : question,
     "answer" : answer_form,
     "answers" : answers,
     "question" : question,
     "answer" : answer_form,
     "answers" : answers,