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annotate gpp/forums/views.py @ 104:59688577a8f1

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Forums: display of sticky status. Moderators/superusers see IP address of post. Added a can_reply flag to the template and have view compute it.
author Brian Neal <bgneal@gmail.com>
date Thu, 17 Sep 2009 01:44:51 +0000
parents e67c4dd98db5
children cb72577785df
rev   line source
bgneal@81 1 """
bgneal@81 2 Views for the forums application.
bgneal@81 3 """
bgneal@83 4 from django.contrib.auth.decorators import login_required
bgneal@82 5 from django.http import Http404
bgneal@98 6 from django.http import HttpResponse
bgneal@89 7 from django.http import HttpResponseBadRequest
bgneal@90 8 from django.http import HttpResponseForbidden
bgneal@83 9 from django.http import HttpResponseRedirect
bgneal@83 10 from django.core.urlresolvers import reverse
bgneal@91 11 from django.core.paginator import InvalidPage
bgneal@82 12 from django.shortcuts import get_object_or_404
bgneal@81 13 from django.shortcuts import render_to_response
bgneal@97 14 from django.template.loader import render_to_string
bgneal@81 15 from django.template import RequestContext
bgneal@89 16 from django.views.decorators.http import require_POST
bgneal@81 17
bgneal@90 18 from core.paginator import DiggPaginator
bgneal@98 19 from core.functions import email_admins
bgneal@81 20 from forums.models import Forum
bgneal@83 21 from forums.models import Topic
bgneal@91 22 from forums.models import Post
bgneal@98 23 from forums.models import FlaggedPost
bgneal@83 24 from forums.forms import NewTopicForm
bgneal@86 25 from forums.forms import PostForm
bgneal@81 26
bgneal@90 27 #######################################################################
bgneal@90 28
bgneal@93 29 TOPICS_PER_PAGE = 50
bgneal@90 30 POSTS_PER_PAGE = 2
bgneal@90 31
bgneal@93 32 def create_topic_paginator(topics):
bgneal@93 33 return DiggPaginator(topics, TOPICS_PER_PAGE, body=5, tail=2, margin=3, padding=2)
bgneal@93 34
bgneal@93 35 def create_post_paginator(posts):
bgneal@93 36 return DiggPaginator(posts, POSTS_PER_PAGE, body=5, tail=2, margin=3, padding=2)
bgneal@90 37
bgneal@90 38 #######################################################################
bgneal@81 39
bgneal@81 40 def index(request):
bgneal@82 41 """
bgneal@82 42 This view displays all the forums available, ordered in each category.
bgneal@82 43 """
bgneal@100 44 forums = Forum.objects.forums_for_user(request.user)
bgneal@81 45 cats = {}
bgneal@81 46 for forum in forums:
bgneal@81 47 cat = cats.setdefault(forum.category.id, {
bgneal@81 48 'cat': forum.category,
bgneal@81 49 'forums': [],
bgneal@81 50 })
bgneal@81 51 cat['forums'].append(forum)
bgneal@81 52
bgneal@81 53 cmpdef = lambda a, b: cmp(a['cat'].position, b['cat'].position)
bgneal@81 54 cats = sorted(cats.values(), cmpdef)
bgneal@81 55
bgneal@81 56 return render_to_response('forums/index.html', {
bgneal@81 57 'cats': cats,
bgneal@81 58 },
bgneal@81 59 context_instance=RequestContext(request))
bgneal@81 60
bgneal@82 61
bgneal@81 62 def forum_index(request, slug):
bgneal@82 63 """
bgneal@82 64 Displays all the topics in a forum.
bgneal@82 65 """
bgneal@101 66 forum = get_object_or_404(Forum.objects.select_related(), slug=slug)
bgneal@100 67
bgneal@100 68 if not forum.category.can_access(request.user):
bgneal@100 69 return HttpResponseForbidden()
bgneal@100 70
bgneal@100 71 topics = forum.topics.select_related('last_post', 'last_post__user')
bgneal@93 72 paginator = create_topic_paginator(topics)
bgneal@93 73 page_num = int(request.GET.get('page', 1))
bgneal@93 74 try:
bgneal@93 75 page = paginator.page(page_num)
bgneal@93 76 except InvalidPage:
bgneal@93 77 raise Http404
bgneal@97 78
bgneal@97 79 # we do this for the template since it is rendered twice
bgneal@97 80 page_nav = render_to_string('forums/pagination.html', {'page': page})
bgneal@82 81
bgneal@82 82 return render_to_response('forums/forum_index.html', {
bgneal@82 83 'forum': forum,
bgneal@93 84 'page': page,
bgneal@97 85 'page_nav': page_nav,
bgneal@82 86 },
bgneal@82 87 context_instance=RequestContext(request))
bgneal@82 88
bgneal@82 89
bgneal@82 90 def topic_index(request, id):
bgneal@82 91 """
bgneal@82 92 Displays all the posts in a topic.
bgneal@82 93 """
bgneal@101 94 topic = get_object_or_404(Topic.objects.select_related(), pk=id)
bgneal@100 95
bgneal@100 96 if not topic.forum.category.can_access(request.user):
bgneal@100 97 return HttpResponseForbidden()
bgneal@100 98
bgneal@86 99 topic.view_count += 1
bgneal@86 100 topic.save()
bgneal@86 101
bgneal@86 102 posts = topic.posts.select_related()
bgneal@93 103 paginator = create_post_paginator(posts)
bgneal@93 104 page_num = int(request.GET.get('page', 1))
bgneal@90 105 try:
bgneal@90 106 page = paginator.page(page_num)
bgneal@90 107 except InvalidPage:
bgneal@90 108 raise Http404
bgneal@90 109
bgneal@90 110 last_page = page_num == paginator.num_pages
bgneal@86 111
bgneal@97 112 # we do this for the template since it is rendered twice
bgneal@97 113 page_nav = render_to_string('forums/pagination.html', {'page': page})
bgneal@97 114
bgneal@104 115 can_moderate = request.user.is_authenticated() and (
bgneal@104 116 request.user.is_superuser or \
bgneal@104 117 request.user in topic.forum.moderators.all())
bgneal@104 118
bgneal@104 119 can_reply = request.user.is_authenticated() and (
bgneal@104 120 not topic.locked or can_moderate)
bgneal@104 121
bgneal@86 122 return render_to_response('forums/topic.html', {
bgneal@86 123 'forum': topic.forum,
bgneal@86 124 'topic': topic,
bgneal@90 125 'page': page,
bgneal@97 126 'page_nav': page_nav,
bgneal@87 127 'last_page': last_page,
bgneal@104 128 'can_moderate': can_moderate,
bgneal@104 129 'can_reply': can_reply,
bgneal@89 130 'form': PostForm(initial={'topic_id': topic.id}),
bgneal@86 131 },
bgneal@86 132 context_instance=RequestContext(request))
bgneal@83 133
bgneal@83 134
bgneal@83 135 @login_required
bgneal@83 136 def new_topic(request, slug):
bgneal@83 137 """
bgneal@83 138 This view handles the creation of new topics.
bgneal@83 139 """
bgneal@101 140 forum = get_object_or_404(Forum.objects.select_related(), slug=slug)
bgneal@100 141
bgneal@100 142 if not forum.category.can_access(request.user):
bgneal@100 143 return HttpResponseForbidden()
bgneal@100 144
bgneal@83 145 if request.method == 'POST':
bgneal@102 146 form = NewTopicForm(request.user, forum, request.POST)
bgneal@83 147 if form.is_valid():
bgneal@102 148 topic = form.save(request.META.get("REMOTE_ADDR"))
bgneal@83 149 return HttpResponseRedirect(reverse('forums-new_topic_thanks',
bgneal@83 150 kwargs={'tid': topic.pk}))
bgneal@83 151 else:
bgneal@102 152 form = NewTopicForm(request.user, forum)
bgneal@83 153
bgneal@83 154 return render_to_response('forums/new_topic.html', {
bgneal@83 155 'forum': forum,
bgneal@83 156 'form': form,
bgneal@83 157 },
bgneal@83 158 context_instance=RequestContext(request))
bgneal@83 159
bgneal@83 160
bgneal@83 161 @login_required
bgneal@83 162 def new_topic_thanks(request, tid):
bgneal@83 163 """
bgneal@83 164 This view displays the success page for a newly created topic.
bgneal@83 165 """
bgneal@101 166 topic = get_object_or_404(Topic.objects.select_related(), pk=tid)
bgneal@83 167 return render_to_response('forums/new_topic_thanks.html', {
bgneal@83 168 'forum': topic.forum,
bgneal@83 169 'topic': topic,
bgneal@83 170 },
bgneal@83 171 context_instance=RequestContext(request))
bgneal@89 172
bgneal@89 173
bgneal@89 174 @require_POST
bgneal@89 175 def quick_reply_ajax(request):
bgneal@89 176 """
bgneal@89 177 This function handles the quick reply to a thread function. This
bgneal@89 178 function is meant to be the target of an AJAX post, and returns
bgneal@89 179 the HTML for the new post, which the client-side script appends
bgneal@89 180 to the document.
bgneal@89 181 """
bgneal@90 182 if not request.user.is_authenticated():
bgneal@90 183 return HttpResponseForbidden()
bgneal@90 184
bgneal@89 185 form = PostForm(request.POST)
bgneal@89 186 if form.is_valid():
bgneal@102 187 if form.topic.locked or not form.topic.forum.category.can_access(request.user):
bgneal@100 188 return HttpResponseForbidden()
bgneal@100 189
bgneal@89 190 post = form.save(request.user, request.META.get("REMOTE_ADDR"))
bgneal@89 191 return render_to_response('forums/display_post.html', {
bgneal@89 192 'post': post,
bgneal@89 193 },
bgneal@89 194 context_instance=RequestContext(request))
bgneal@89 195
bgneal@89 196 return HttpResponseBadRequest();
bgneal@89 197
bgneal@91 198
bgneal@91 199 def goto_post(request, post_id):
bgneal@91 200 """
bgneal@91 201 This function calculates what page a given post is on, then redirects
bgneal@91 202 to that URL. This function is the target of get_absolute_url() for
bgneal@91 203 Post objects.
bgneal@91 204 """
bgneal@101 205 post = get_object_or_404(Post.objects.select_related(), pk=post_id)
bgneal@91 206 count = post.topic.posts.filter(creation_date__lt=post.creation_date).count()
bgneal@91 207 page = count / POSTS_PER_PAGE + 1
bgneal@91 208 url = reverse('forums-topic_index', kwargs={'id': post.topic.id}) + \
bgneal@91 209 '?page=%s#p%s' % (page, post.id)
bgneal@91 210 return HttpResponseRedirect(url)
bgneal@91 211
bgneal@98 212
bgneal@98 213 @require_POST
bgneal@98 214 def flag_post(request):
bgneal@98 215 """
bgneal@98 216 This function handles the flagging of posts by users. This function should
bgneal@98 217 be the target of an AJAX post.
bgneal@98 218 """
bgneal@98 219 if not request.user.is_authenticated():
bgneal@99 220 return HttpResponseForbidden('Please login or register to flag a post.')
bgneal@98 221
bgneal@98 222 id = request.POST.get('id')
bgneal@98 223 if id is None:
bgneal@98 224 return HttpResponseBadRequest('No post id')
bgneal@98 225
bgneal@98 226 try:
bgneal@98 227 post = Post.objects.get(pk=id)
bgneal@98 228 except Post.DoesNotExist:
bgneal@98 229 return HttpResponseBadRequest('No post with id %s' % id)
bgneal@98 230
bgneal@98 231 flag = FlaggedPost(user=request.user, post=post)
bgneal@98 232 flag.save()
bgneal@98 233 email_admins('A Post Has Been Flagged', """Hello,
bgneal@98 234
bgneal@98 235 A user has flagged a forum post for review.
bgneal@98 236 """)
bgneal@98 237 return HttpResponse('The post was flagged. A moderator will review the post shortly. ' \
bgneal@98 238 'Thanks for helping to improve the discussions on this site.')