Mercurial > public > sg101

comparison gpp/forums/views.py @ 167:cf9f9d4c4d54

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Adding a query to the forums to get all the topics with unread posts. This is for ticket #54.
author Brian Neal <bgneal@gmail.com>
date Sun, 24 Jan 2010 22:33:11 +0000
parents 445e1466a98d
children e6d4dfdfbc64
comparison
equal deleted inserted replaced
166:8acf5be27f18 167:cf9f9d4c4d54
23 from forums.models import Forum, Topic, Post, FlaggedPost, TopicLastVisit, \ 23 from forums.models import Forum, Topic, Post, FlaggedPost, TopicLastVisit, \
24 ForumLastVisit 24 ForumLastVisit
25 from forums.forms import NewTopicForm, NewPostForm, PostForm, MoveTopicForm, \ 25 from forums.forms import NewTopicForm, NewPostForm, PostForm, MoveTopicForm, \
26 SplitTopicForm 26 SplitTopicForm
27 from forums.unread import get_forum_unread_status, get_topic_unread_status, \ 27 from forums.unread import get_forum_unread_status, get_topic_unread_status, \
28 get_post_unread_status 28 get_post_unread_status, get_unread_topics
29 29
30 from bio.models import UserProfile 30 from bio.models import UserProfile
31 ####################################################################### 31 #######################################################################
32 32
33 TOPICS_PER_PAGE = 50 33 TOPICS_PER_PAGE = 50
34 POSTS_PER_PAGE = 20 34 POSTS_PER_PAGE = 20
35 35
36
37 def get_page_num(request):
38 """Returns the value of the 'page' variable in GET if it exists, or 1
39 if it does not."""
40
41 try:
42 page_num = int(request.GET.get('page', 1))
43 except ValueError:
44 page_num = 1
45
46 return page_num
47
48
36 def create_topic_paginator(topics): 49 def create_topic_paginator(topics):
37 return DiggPaginator(topics, TOPICS_PER_PAGE, body=5, tail=2, margin=3, padding=2) 50 return DiggPaginator(topics, TOPICS_PER_PAGE, body=5, tail=2, margin=3, padding=2)
38 51
39 def create_post_paginator(posts): 52 def create_post_paginator(posts):
40 return DiggPaginator(posts, POSTS_PER_PAGE, body=5, tail=2, margin=3, padding=2) 53 return DiggPaginator(posts, POSTS_PER_PAGE, body=5, tail=2, margin=3, padding=2)
41 54
55
56 def attach_topic_page_ranges(topics):
57 """Attaches a page_range attribute to each topic in the supplied list.
58 This attribute will be None if it is a single page topic. This is used
59 by the templates to generate "goto page x" links.
60 """
61 for topic in topics:
62 if topic.post_count > POSTS_PER_PAGE:
63 pp = DiggPaginator(range(topic.post_count), POSTS_PER_PAGE,
64 body=2, tail=3, margin=1)
65 topic.page_range = pp.page(1).page_range
66 else:
67 topic.page_range = None
68
42 ####################################################################### 69 #######################################################################
43 70
44 def index(request): 71 def index(request):
45 """ 72 """
46 This view displays all the forums available, ordered in each category. 73 This view displays all the forums available, ordered in each category.
47 """ 74 """
75 # check for special forum queries
76 query = request.GET.get("query")
77 if query == "unread":
78 return HttpResponseRedirect(reverse('forums-unread_topics'))
79
48 forums = Forum.objects.forums_for_user(request.user) 80 forums = Forum.objects.forums_for_user(request.user)
49 get_forum_unread_status(forums, request.user) 81 get_forum_unread_status(forums, request.user)
50 cats = {} 82 cats = {}
51 for forum in forums: 83 for forum in forums:
52 cat = cats.setdefault(forum.category.id, { 84 cat = cats.setdefault(forum.category.id, {
75 107
76 topics = forum.topics.select_related('user', 'last_post', 'last_post__user') 108 topics = forum.topics.select_related('user', 'last_post', 'last_post__user')
77 get_topic_unread_status(forum, topics, request.user) 109 get_topic_unread_status(forum, topics, request.user)
78 110
79 paginator = create_topic_paginator(topics) 111 paginator = create_topic_paginator(topics)
80 page_num = int(request.GET.get('page', 1)) 112 page_num = get_page_num(request)
81 try: 113 try:
82 page = paginator.page(page_num) 114 page = paginator.page(page_num)
83 except InvalidPage: 115 except InvalidPage:
84 raise Http404 116 raise Http404
85 117
86 # Attach "goto page" navigation links onto those topics that have 118 attach_topic_page_ranges(page.object_list)
87 # more than 1 page:
88
89 for topic in page.object_list:
90 if topic.post_count > POSTS_PER_PAGE:
91 pp = DiggPaginator(range(topic.post_count), POSTS_PER_PAGE,
92 body=2, tail=3, margin=1)
93 topic.page_range = pp.page(1).page_range
94 else:
95 topic.page_range = None
96
97 119
98 # we do this for the template since it is rendered twice 120 # we do this for the template since it is rendered twice
99 page_nav = render_to_string('forums/pagination.html', {'page': page}) 121 page_nav = render_to_string('forums/pagination.html', {'page': page})
100 122
101 can_moderate = _can_moderate(forum, request.user) 123 can_moderate = _can_moderate(forum, request.user)
122 topic.save() 144 topic.save()
123 145
124 posts = topic.posts.select_related() 146 posts = topic.posts.select_related()
125 147
126 paginator = create_post_paginator(posts) 148 paginator = create_post_paginator(posts)
127 page_num = int(request.GET.get('page', 1)) 149 page_num = get_page_num(request)
128 try: 150 try:
129 page = paginator.page(page_num) 151 page = paginator.page(page_num)
130 except InvalidPage: 152 except InvalidPage:
131 raise Http404 153 raise Http404
132 get_post_unread_status(topic, page.object_list, request.user) 154 get_post_unread_status(topic, page.object_list, request.user)
523 if not _can_moderate(forum, request.user): 545 if not _can_moderate(forum, request.user):
524 return HttpResponseForbidden() 546 return HttpResponseForbidden()
525 547
526 topics = forum.topics.select_related('user', 'last_post', 'last_post__user') 548 topics = forum.topics.select_related('user', 'last_post', 'last_post__user')
527 paginator = create_topic_paginator(topics) 549 paginator = create_topic_paginator(topics)
528 page_num = int(request.REQUEST.get('page', 1)) 550 page_num = get_page_num(request)
529 try: 551 try:
530 page = paginator.page(page_num) 552 page = paginator.page(page_num)
531 except InvalidPage: 553 except InvalidPage:
532 raise Http404 554 raise Http404
533 555
617 'form': form, 639 'form': form,
618 }, 640 },
619 context_instance=RequestContext(request)) 641 context_instance=RequestContext(request))
620 642
621 643
644 @login_required
645 def unread_topics(request):
646 topics = get_unread_topics(request.user)
647
648 paginator = create_topic_paginator(topics)
649 page_num = get_page_num(request)
650 try:
651 page = paginator.page(page_num)
652 except InvalidPage:
653 raise Http404
654
655 attach_topic_page_ranges(page.object_list)
656
657 # we do this for the template since it is rendered twice
658 page_nav = render_to_string('forums/pagination.html', {'page': page})
659
660 return render_to_response('forums/topic_list.html', {
661 'title': 'Topics With Unread Posts',
662 'page': page,
663 'page_nav': page_nav,
664 },
665 context_instance=RequestContext(request))
666
667
622 def _can_moderate(forum, user): 668 def _can_moderate(forum, user):
623 """ 669 """
624 Determines if a user has permission to moderate a given forum. 670 Determines if a user has permission to moderate a given forum.
625 """ 671 """
626 return user.is_authenticated() and ( 672 return user.is_authenticated() and (