annotate gpp/forums/views/main.py @ 293:c92fb89dbc7d

Fixed a bug where if you tried to delete a topic the new last post might be in that topic, so a cascading delete would occur and the forum would get deleted.
author Brian Neal <bgneal@gmail.com>
date Wed, 29 Dec 2010 04:56:53 +0000
parents 72fd300685d5
children 26fc9ac9a0eb
rev   line source
bgneal@232 1 """
bgneal@232 2 Views for the forums application.
bgneal@232 3 """
bgneal@232 4 import datetime
bgneal@232 5
bgneal@232 6 from django.contrib.auth.decorators import login_required
bgneal@232 7 from django.contrib.auth.models import User
bgneal@232 8 from django.http import Http404
bgneal@232 9 from django.http import HttpResponse
bgneal@232 10 from django.http import HttpResponseBadRequest
bgneal@232 11 from django.http import HttpResponseForbidden
bgneal@232 12 from django.http import HttpResponseRedirect
bgneal@232 13 from django.core.urlresolvers import reverse
bgneal@232 14 from django.core.paginator import InvalidPage
bgneal@232 15 from django.shortcuts import get_object_or_404
bgneal@232 16 from django.shortcuts import render_to_response
bgneal@232 17 from django.template.loader import render_to_string
bgneal@232 18 from django.template import RequestContext
bgneal@232 19 from django.views.decorators.http import require_POST
bgneal@232 20 from django.utils.text import wrap
bgneal@232 21 from django.db.models import F
bgneal@232 22
bgneal@232 23 from core.paginator import DiggPaginator
bgneal@232 24 from core.functions import email_admins
bgneal@232 25 from forums.models import Forum, Topic, Post, FlaggedPost, TopicLastVisit, \
bgneal@285 26 ForumLastVisit, Attachment
bgneal@232 27 from forums.forms import NewTopicForm, NewPostForm, PostForm, MoveTopicForm, \
bgneal@232 28 SplitTopicForm
bgneal@232 29 from forums.unread import get_forum_unread_status, get_topic_unread_status, \
bgneal@232 30 get_post_unread_status, get_unread_topics
bgneal@232 31
bgneal@232 32 from bio.models import UserProfile
bgneal@232 33 import antispam
bgneal@232 34 import antispam.utils
bgneal@285 35 from forums.attachments import AttachmentProcessor
bgneal@232 36
bgneal@232 37 #######################################################################
bgneal@232 38
bgneal@232 39 TOPICS_PER_PAGE = 50
bgneal@232 40 POSTS_PER_PAGE = 20
bgneal@263 41 FEED_BASE = '/feeds/forums/'
bgneal@263 42 FORUM_FEED = FEED_BASE + '%s/'
bgneal@232 43
bgneal@232 44
bgneal@232 45 def get_page_num(request):
bgneal@232 46 """Returns the value of the 'page' variable in GET if it exists, or 1
bgneal@232 47 if it does not."""
bgneal@232 48
bgneal@232 49 try:
bgneal@232 50 page_num = int(request.GET.get('page', 1))
bgneal@232 51 except ValueError:
bgneal@232 52 page_num = 1
bgneal@232 53
bgneal@232 54 return page_num
bgneal@232 55
bgneal@232 56
bgneal@232 57 def create_topic_paginator(topics):
bgneal@232 58 return DiggPaginator(topics, TOPICS_PER_PAGE, body=5, tail=2, margin=3, padding=2)
bgneal@232 59
bgneal@232 60 def create_post_paginator(posts):
bgneal@232 61 return DiggPaginator(posts, POSTS_PER_PAGE, body=5, tail=2, margin=3, padding=2)
bgneal@232 62
bgneal@232 63
bgneal@232 64 def attach_topic_page_ranges(topics):
bgneal@232 65 """Attaches a page_range attribute to each topic in the supplied list.
bgneal@232 66 This attribute will be None if it is a single page topic. This is used
bgneal@232 67 by the templates to generate "goto page x" links.
bgneal@232 68 """
bgneal@232 69 for topic in topics:
bgneal@232 70 if topic.post_count > POSTS_PER_PAGE:
bgneal@286 71 pp = DiggPaginator(range(topic.post_count), POSTS_PER_PAGE,
bgneal@232 72 body=2, tail=3, margin=1)
bgneal@232 73 topic.page_range = pp.page(1).page_range
bgneal@232 74 else:
bgneal@232 75 topic.page_range = None
bgneal@232 76
bgneal@232 77 #######################################################################
bgneal@232 78
bgneal@232 79 def index(request):
bgneal@232 80 """
bgneal@232 81 This view displays all the forums available, ordered in each category.
bgneal@232 82 """
bgneal@232 83 public_forums = Forum.objects.public_forums()
bgneal@263 84 feeds = [{'name': 'All Forums', 'feed': FEED_BASE}]
bgneal@232 85
bgneal@232 86 forums = Forum.objects.forums_for_user(request.user)
bgneal@232 87 get_forum_unread_status(forums, request.user)
bgneal@232 88 cats = {}
bgneal@232 89 for forum in forums:
bgneal@232 90 forum.has_feed = forum in public_forums
bgneal@232 91 if forum.has_feed:
bgneal@232 92 feeds.append({
bgneal@232 93 'name': '%s Forum' % forum.name,
bgneal@263 94 'feed': FORUM_FEED % forum.slug,
bgneal@232 95 })
bgneal@232 96
bgneal@232 97 cat = cats.setdefault(forum.category.id, {
bgneal@232 98 'cat': forum.category,
bgneal@232 99 'forums': [],
bgneal@232 100 })
bgneal@232 101 cat['forums'].append(forum)
bgneal@232 102
bgneal@232 103 cmpdef = lambda a, b: cmp(a['cat'].position, b['cat'].position)
bgneal@232 104 cats = sorted(cats.values(), cmpdef)
bgneal@232 105
bgneal@232 106 return render_to_response('forums/index.html', {
bgneal@232 107 'cats': cats,
bgneal@232 108 'feeds': feeds,
bgneal@232 109 },
bgneal@232 110 context_instance=RequestContext(request))
bgneal@232 111
bgneal@232 112
bgneal@232 113 def forum_index(request, slug):
bgneal@232 114 """
bgneal@232 115 Displays all the topics in a forum.
bgneal@232 116 """
bgneal@232 117 forum = get_object_or_404(Forum.objects.select_related(), slug=slug)
bgneal@232 118
bgneal@232 119 if not forum.category.can_access(request.user):
bgneal@232 120 return HttpResponseForbidden()
bgneal@232 121
bgneal@263 122 feed = None
bgneal@263 123 if not forum.category.groups.all():
bgneal@263 124 feed = {
bgneal@263 125 'name': '%s Forum' % forum.name,
bgneal@263 126 'feed': FORUM_FEED % forum.slug,
bgneal@263 127 }
bgneal@263 128
bgneal@232 129 topics = forum.topics.select_related('user', 'last_post', 'last_post__user')
bgneal@232 130 get_topic_unread_status(forum, topics, request.user)
bgneal@232 131
bgneal@232 132 paginator = create_topic_paginator(topics)
bgneal@232 133 page_num = get_page_num(request)
bgneal@232 134 try:
bgneal@232 135 page = paginator.page(page_num)
bgneal@232 136 except InvalidPage:
bgneal@232 137 raise Http404
bgneal@232 138
bgneal@232 139 attach_topic_page_ranges(page.object_list)
bgneal@232 140
bgneal@232 141 # we do this for the template since it is rendered twice
bgneal@232 142 page_nav = render_to_string('forums/pagination.html', {'page': page})
bgneal@232 143
bgneal@232 144 can_moderate = _can_moderate(forum, request.user)
bgneal@286 145
bgneal@232 146 return render_to_response('forums/forum_index.html', {
bgneal@232 147 'forum': forum,
bgneal@263 148 'feed': feed,
bgneal@232 149 'page': page,
bgneal@232 150 'page_nav': page_nav,
bgneal@232 151 'can_moderate': can_moderate,
bgneal@232 152 },
bgneal@232 153 context_instance=RequestContext(request))
bgneal@232 154
bgneal@232 155
bgneal@232 156 def topic_index(request, id):
bgneal@232 157 """
bgneal@232 158 Displays all the posts in a topic.
bgneal@232 159 """
bgneal@232 160 topic = get_object_or_404(Topic.objects.select_related(
bgneal@232 161 'forum', 'forum__category', 'last_post'), pk=id)
bgneal@232 162
bgneal@232 163 if not topic.forum.category.can_access(request.user):
bgneal@232 164 return HttpResponseForbidden()
bgneal@232 165
bgneal@232 166 topic.view_count = F('view_count') + 1
bgneal@232 167 topic.save(force_update=True)
bgneal@232 168
bgneal@232 169 posts = topic.posts.select_related()
bgneal@232 170
bgneal@232 171 paginator = create_post_paginator(posts)
bgneal@232 172 page_num = get_page_num(request)
bgneal@232 173 try:
bgneal@232 174 page = paginator.page(page_num)
bgneal@232 175 except InvalidPage:
bgneal@232 176 raise Http404
bgneal@232 177 get_post_unread_status(topic, page.object_list, request.user)
bgneal@232 178
bgneal@232 179 # Attach user profiles to each post to avoid using get_user_profile() in
bgneal@232 180 # the template.
bgneal@232 181 users = set(post.user.id for post in page.object_list)
bgneal@232 182
bgneal@232 183 profiles = UserProfile.objects.filter(user__id__in=users).select_related()
bgneal@232 184 user_profiles = dict((profile.user.id, profile) for profile in profiles)
bgneal@232 185
bgneal@232 186 for post in page.object_list:
bgneal@232 187 post.user_profile = user_profiles[post.user.id]
bgneal@285 188 post.attach_list = []
bgneal@285 189
bgneal@285 190 # Attach any attachments
bgneal@285 191 post_ids = [post.pk for post in page.object_list]
bgneal@285 192 attachments = Attachment.objects.filter(post__in=post_ids).select_related(
bgneal@285 193 'embed').order_by('order')
bgneal@285 194
bgneal@285 195 post_dict = dict((post.pk, post) for post in page.object_list)
bgneal@285 196 for item in attachments:
bgneal@285 197 post_dict[item.post.id].attach_list.append(item.embed)
bgneal@232 198
bgneal@232 199 last_page = page_num == paginator.num_pages
bgneal@232 200
bgneal@232 201 if request.user.is_authenticated() and last_page:
bgneal@232 202 _update_last_visit(request.user, topic)
bgneal@232 203
bgneal@232 204 # we do this for the template since it is rendered twice
bgneal@232 205 page_nav = render_to_string('forums/pagination.html', {'page': page})
bgneal@232 206
bgneal@232 207 can_moderate = _can_moderate(topic.forum, request.user)
bgneal@232 208
bgneal@232 209 can_reply = request.user.is_authenticated() and (
bgneal@232 210 not topic.locked or can_moderate)
bgneal@232 211
bgneal@232 212 is_favorite = request.user.is_authenticated() and (
bgneal@232 213 topic in request.user.favorite_topics.all())
bgneal@232 214
bgneal@232 215 is_subscribed = request.user.is_authenticated() and (
bgneal@232 216 topic in request.user.subscriptions.all())
bgneal@232 217
bgneal@232 218 return render_to_response('forums/topic.html', {
bgneal@232 219 'forum': topic.forum,
bgneal@232 220 'topic': topic,
bgneal@232 221 'page': page,
bgneal@232 222 'page_nav': page_nav,
bgneal@232 223 'last_page': last_page,
bgneal@232 224 'can_moderate': can_moderate,
bgneal@232 225 'can_reply': can_reply,
bgneal@232 226 'form': NewPostForm(initial={'topic_id': topic.id}),
bgneal@232 227 'is_favorite': is_favorite,
bgneal@232 228 'is_subscribed': is_subscribed,
bgneal@232 229 },
bgneal@232 230 context_instance=RequestContext(request))
bgneal@232 231
bgneal@232 232
bgneal@232 233 @login_required
bgneal@232 234 def new_topic(request, slug):
bgneal@232 235 """
bgneal@232 236 This view handles the creation of new topics.
bgneal@232 237 """
bgneal@232 238 forum = get_object_or_404(Forum.objects.select_related(), slug=slug)
bgneal@232 239
bgneal@232 240 if not forum.category.can_access(request.user):
bgneal@232 241 return HttpResponseForbidden()
bgneal@232 242
bgneal@232 243 if request.method == 'POST':
bgneal@232 244 form = NewTopicForm(request.user, forum, request.POST)
bgneal@232 245 if form.is_valid():
bgneal@232 246 if antispam.utils.spam_check(request, form.cleaned_data['body']):
bgneal@232 247 return HttpResponseRedirect(reverse('antispam-suspended'))
bgneal@232 248
bgneal@232 249 topic = form.save(request.META.get("REMOTE_ADDR"))
bgneal@232 250 _bump_post_count(request.user)
bgneal@232 251 return HttpResponseRedirect(reverse('forums-new_topic_thanks',
bgneal@232 252 kwargs={'tid': topic.pk}))
bgneal@232 253 else:
bgneal@232 254 form = NewTopicForm(request.user, forum)
bgneal@286 255
bgneal@232 256 return render_to_response('forums/new_topic.html', {
bgneal@232 257 'forum': forum,
bgneal@232 258 'form': form,
bgneal@232 259 },
bgneal@232 260 context_instance=RequestContext(request))
bgneal@232 261
bgneal@232 262
bgneal@232 263 @login_required
bgneal@232 264 def new_topic_thanks(request, tid):
bgneal@232 265 """
bgneal@232 266 This view displays the success page for a newly created topic.
bgneal@232 267 """
bgneal@232 268 topic = get_object_or_404(Topic.objects.select_related(), pk=tid)
bgneal@232 269 return render_to_response('forums/new_topic_thanks.html', {
bgneal@232 270 'forum': topic.forum,
bgneal@232 271 'topic': topic,
bgneal@232 272 },
bgneal@232 273 context_instance=RequestContext(request))
bgneal@232 274
bgneal@232 275
bgneal@232 276 @require_POST
bgneal@232 277 def quick_reply_ajax(request):
bgneal@232 278 """
bgneal@232 279 This function handles the quick reply to a thread function. This
bgneal@232 280 function is meant to be the target of an AJAX post, and returns
bgneal@232 281 the HTML for the new post, which the client-side script appends
bgneal@232 282 to the document.
bgneal@232 283 """
bgneal@232 284 if not request.user.is_authenticated():
bgneal@232 285 return HttpResponseForbidden('Please login or register to post.')
bgneal@232 286
bgneal@232 287 form = NewPostForm(request.POST)
bgneal@232 288 if form.is_valid():
bgneal@232 289 if not _can_post_in_topic(form.topic, request.user):
bgneal@232 290 return HttpResponseForbidden("You don't have permission to post in this topic.")
bgneal@232 291 if antispam.utils.spam_check(request, form.cleaned_data['body']):
bgneal@232 292 return HttpResponseForbidden(antispam.BUSTED_MESSAGE)
bgneal@232 293
bgneal@232 294 post = form.save(request.user, request.META.get("REMOTE_ADDR", ""))
bgneal@232 295 post.unread = True
bgneal@232 296 post.user_profile = request.user.get_profile()
bgneal@285 297 post.attach_list = post.attachments.all()
bgneal@232 298 _bump_post_count(request.user)
bgneal@232 299 _update_last_visit(request.user, form.topic)
bgneal@285 300
bgneal@232 301 return render_to_response('forums/display_post.html', {
bgneal@232 302 'post': post,
bgneal@232 303 'can_moderate': _can_moderate(form.topic.forum, request.user),
bgneal@232 304 'can_reply': True,
bgneal@232 305 },
bgneal@232 306 context_instance=RequestContext(request))
bgneal@232 307
bgneal@286 308 return HttpResponseBadRequest("Oops, did you forget some text?");
bgneal@232 309
bgneal@232 310
bgneal@232 311 def goto_post(request, post_id):
bgneal@232 312 """
bgneal@232 313 This function calculates what page a given post is on, then redirects
bgneal@232 314 to that URL. This function is the target of get_absolute_url() for
bgneal@232 315 Post objects.
bgneal@232 316 """
bgneal@232 317 post = get_object_or_404(Post.objects.select_related(), pk=post_id)
bgneal@232 318 count = post.topic.posts.filter(creation_date__lt=post.creation_date).count()
bgneal@232 319 page = count / POSTS_PER_PAGE + 1
bgneal@232 320 url = reverse('forums-topic_index', kwargs={'id': post.topic.id}) + \
bgneal@232 321 '?page=%s#p%s' % (page, post.id)
bgneal@232 322 return HttpResponseRedirect(url)
bgneal@232 323
bgneal@232 324
bgneal@232 325 @require_POST
bgneal@232 326 def flag_post(request):
bgneal@232 327 """
bgneal@232 328 This function handles the flagging of posts by users. This function should
bgneal@232 329 be the target of an AJAX post.
bgneal@232 330 """
bgneal@232 331 if not request.user.is_authenticated():
bgneal@232 332 return HttpResponseForbidden('Please login or register to flag a post.')
bgneal@232 333
bgneal@232 334 id = request.POST.get('id')
bgneal@232 335 if id is None:
bgneal@232 336 return HttpResponseBadRequest('No post id')
bgneal@232 337
bgneal@232 338 try:
bgneal@232 339 post = Post.objects.get(pk=id)
bgneal@232 340 except Post.DoesNotExist:
bgneal@232 341 return HttpResponseBadRequest('No post with id %s' % id)
bgneal@232 342
bgneal@232 343 flag = FlaggedPost(user=request.user, post=post)
bgneal@232 344 flag.save()
bgneal@232 345 email_admins('A Post Has Been Flagged', """Hello,
bgneal@232 346
bgneal@232 347 A user has flagged a forum post for review.
bgneal@232 348 """)
bgneal@232 349 return HttpResponse('The post was flagged. A moderator will review the post shortly. ' \
bgneal@232 350 'Thanks for helping to improve the discussions on this site.')
bgneal@232 351
bgneal@232 352
bgneal@232 353 @login_required
bgneal@232 354 def edit_post(request, id):
bgneal@232 355 """
bgneal@232 356 This view function allows authorized users to edit posts.
bgneal@232 357 The superuser, forum moderators, and original author can edit posts.
bgneal@232 358 """
bgneal@232 359 post = get_object_or_404(Post.objects.select_related(), pk=id)
bgneal@232 360
bgneal@232 361 can_moderate = _can_moderate(post.topic.forum, request.user)
bgneal@232 362 can_edit = can_moderate or request.user == post.user
bgneal@232 363
bgneal@232 364 if not can_edit:
bgneal@232 365 return HttpResponseForbidden("You don't have permission to edit that post.")
bgneal@232 366
bgneal@232 367 if request.method == "POST":
bgneal@232 368 form = PostForm(request.POST, instance=post)
bgneal@232 369 if form.is_valid():
bgneal@232 370 if antispam.utils.spam_check(request, form.cleaned_data['body']):
bgneal@232 371 return HttpResponseRedirect(reverse('antispam-suspended'))
bgneal@232 372 post = form.save(commit=False)
bgneal@232 373 post.touch()
bgneal@232 374 post.save()
bgneal@285 375
bgneal@285 376 # Save any attachments
bgneal@286 377 form.attach_proc.save_attachments(post)
bgneal@285 378
bgneal@232 379 return HttpResponseRedirect(post.get_absolute_url())
bgneal@232 380 else:
bgneal@232 381 form = PostForm(instance=post)
bgneal@232 382
bgneal@232 383 post.user_profile = request.user.get_profile()
bgneal@232 384
bgneal@232 385 return render_to_response('forums/edit_post.html', {
bgneal@232 386 'forum': post.topic.forum,
bgneal@232 387 'topic': post.topic,
bgneal@232 388 'post': post,
bgneal@232 389 'form': form,
bgneal@232 390 'can_moderate': can_moderate,
bgneal@232 391 },
bgneal@232 392 context_instance=RequestContext(request))
bgneal@232 393
bgneal@232 394
bgneal@232 395 @require_POST
bgneal@232 396 def delete_post(request):
bgneal@232 397 """
bgneal@232 398 This view function allows superusers and forum moderators to delete posts.
bgneal@232 399 This function is the target of AJAX calls from the client.
bgneal@232 400 """
bgneal@232 401 if not request.user.is_authenticated():
bgneal@232 402 return HttpResponseForbidden('Please login to delete a post.')
bgneal@232 403
bgneal@232 404 id = request.POST.get('id')
bgneal@232 405 if id is None:
bgneal@232 406 return HttpResponseBadRequest('No post id')
bgneal@232 407
bgneal@232 408 post = get_object_or_404(Post.objects.select_related(), pk=id)
bgneal@232 409
bgneal@232 410 can_delete = request.user.is_superuser or \
bgneal@232 411 request.user in post.topic.forum.moderators.all()
bgneal@232 412
bgneal@232 413 if not can_delete:
bgneal@232 414 return HttpResponseForbidden("You don't have permission to delete that post.")
bgneal@232 415
bgneal@232 416 delete_single_post(post)
bgneal@232 417 return HttpResponse("The post has been deleted.")
bgneal@232 418
bgneal@232 419
bgneal@232 420 def delete_single_post(post):
bgneal@232 421 """
bgneal@232 422 This function deletes a single post. It handles the case of where
bgneal@232 423 a post is the sole post in a topic by deleting the topic also. It
bgneal@232 424 adjusts any foreign keys in Topic or Forum objects that might be pointing
bgneal@232 425 to this post before deleting the post to avoid a cascading delete.
bgneal@232 426 """
bgneal@232 427 if post.topic.post_count == 1 and post == post.topic.last_post:
bgneal@232 428 _delete_topic(post.topic)
bgneal@232 429 else:
bgneal@232 430 _delete_post(post)
bgneal@232 431
bgneal@232 432
bgneal@232 433 def _delete_post(post):
bgneal@232 434 """
bgneal@232 435 Internal function to delete a single post object.
bgneal@232 436 Decrements the post author's post count.
bgneal@232 437 Adjusts the parent topic and forum's last_post as needed.
bgneal@232 438 """
bgneal@232 439 # Adjust post creator's post count
bgneal@232 440 profile = post.user.get_profile()
bgneal@232 441 if profile.forum_post_count > 0:
bgneal@232 442 profile.forum_post_count -= 1
bgneal@232 443 profile.save()
bgneal@232 444
bgneal@232 445 # If this post is the last_post in a topic, we need to update
bgneal@232 446 # both the topic and parent forum's last post fields. If we don't
bgneal@232 447 # the cascading delete will delete them also!
bgneal@232 448
bgneal@232 449 topic = post.topic
bgneal@232 450 if topic.last_post == post:
bgneal@232 451 topic.last_post_pre_delete()
bgneal@232 452 topic.save()
bgneal@232 453
bgneal@232 454 forum = topic.forum
bgneal@232 455 if forum.last_post == post:
bgneal@232 456 forum.last_post_pre_delete()
bgneal@232 457 forum.save()
bgneal@232 458
bgneal@285 459 # delete any attachments
bgneal@285 460 post.attachments.clear()
bgneal@285 461
bgneal@232 462 # Should be safe to delete the post now:
bgneal@232 463 post.delete()
bgneal@232 464
bgneal@232 465
bgneal@232 466 def _delete_topic(topic):
bgneal@232 467 """
bgneal@232 468 Internal function to delete an entire topic.
bgneal@232 469 Deletes the topic and all posts contained within.
bgneal@232 470 Adjusts the parent forum's last_post as needed.
bgneal@232 471 Note that we don't bother adjusting all the users'
bgneal@232 472 post counts as that doesn't seem to be worth the effort.
bgneal@232 473 """
bgneal@232 474 if topic.forum.last_post and topic.forum.last_post.topic == topic:
bgneal@293 475 topic.forum.last_post_pre_delete(deleting_topic=True)
bgneal@232 476 topic.forum.save()
bgneal@232 477
bgneal@232 478 # delete subscriptions to this topic
bgneal@232 479 topic.subscribers.clear()
bgneal@232 480 topic.bookmarkers.clear()
bgneal@232 481
bgneal@285 482 # delete all attachments
bgneal@285 483 posts = Post.objects.filter(topic=topic)
bgneal@285 484 for post in posts:
bgneal@285 485 post.attachments.clear()
bgneal@285 486
bgneal@232 487 # It should be safe to just delete the topic now. This will
bgneal@232 488 # automatically delete all posts in the topic.
bgneal@232 489 topic.delete()
bgneal@232 490
bgneal@232 491
bgneal@232 492 @login_required
bgneal@232 493 def new_post(request, topic_id):
bgneal@232 494 """
bgneal@232 495 This function is the view for creating a normal, non-quick reply
bgneal@232 496 to a topic.
bgneal@232 497 """
bgneal@232 498 topic = get_object_or_404(Topic.objects.select_related(), pk=topic_id)
bgneal@232 499 can_post = _can_post_in_topic(topic, request.user)
bgneal@232 500
bgneal@232 501 if can_post:
bgneal@232 502 if request.method == 'POST':
bgneal@232 503 form = PostForm(request.POST)
bgneal@232 504 if form.is_valid():
bgneal@232 505 if antispam.utils.spam_check(request, form.cleaned_data['body']):
bgneal@232 506 return HttpResponseRedirect(reverse('antispam-suspended'))
bgneal@232 507 post = form.save(commit=False)
bgneal@232 508 post.topic = topic
bgneal@232 509 post.user = request.user
bgneal@232 510 post.user_ip = request.META.get("REMOTE_ADDR", "")
bgneal@232 511 post.save()
bgneal@285 512
bgneal@285 513 # Save any attachments
bgneal@286 514 form.attach_proc.save_attachments(post)
bgneal@285 515
bgneal@232 516 _bump_post_count(request.user)
bgneal@232 517 _update_last_visit(request.user, topic)
bgneal@232 518 return HttpResponseRedirect(post.get_absolute_url())
bgneal@232 519 else:
bgneal@232 520 quote_id = request.GET.get('quote')
bgneal@232 521 if quote_id:
bgneal@232 522 quote_post = get_object_or_404(Post.objects.select_related(),
bgneal@232 523 pk=quote_id)
bgneal@232 524 form = PostForm(initial={'body': _quote_message(quote_post.user.username,
bgneal@232 525 quote_post.body)})
bgneal@232 526 else:
bgneal@232 527 form = PostForm()
bgneal@232 528 else:
bgneal@232 529 form = None
bgneal@232 530
bgneal@232 531 return render_to_response('forums/new_post.html', {
bgneal@232 532 'forum': topic.forum,
bgneal@232 533 'topic': topic,
bgneal@232 534 'form': form,
bgneal@232 535 'can_post': can_post,
bgneal@232 536 },
bgneal@232 537 context_instance=RequestContext(request))
bgneal@232 538
bgneal@232 539
bgneal@232 540 @login_required
bgneal@232 541 def mod_topic_stick(request, id):
bgneal@232 542 """
bgneal@232 543 This view function is for moderators to toggle the sticky status of a topic.
bgneal@232 544 """
bgneal@232 545 topic = get_object_or_404(Topic.objects.select_related(), pk=id)
bgneal@232 546 if _can_moderate(topic.forum, request.user):
bgneal@232 547 topic.sticky = not topic.sticky
bgneal@232 548 topic.save()
bgneal@232 549 return HttpResponseRedirect(topic.get_absolute_url())
bgneal@232 550
bgneal@232 551 return HttpResponseForbidden()
bgneal@232 552
bgneal@232 553
bgneal@232 554 @login_required
bgneal@232 555 def mod_topic_lock(request, id):
bgneal@232 556 """
bgneal@232 557 This view function is for moderators to toggle the locked status of a topic.
bgneal@232 558 """
bgneal@232 559 topic = get_object_or_404(Topic.objects.select_related(), pk=id)
bgneal@232 560 if _can_moderate(topic.forum, request.user):
bgneal@232 561 topic.locked = not topic.locked
bgneal@232 562 topic.save()
bgneal@232 563 return HttpResponseRedirect(topic.get_absolute_url())
bgneal@232 564
bgneal@232 565 return HttpResponseForbidden()
bgneal@232 566
bgneal@232 567
bgneal@232 568 @login_required
bgneal@232 569 def mod_topic_delete(request, id):
bgneal@232 570 """
bgneal@232 571 This view function is for moderators to delete an entire topic.
bgneal@232 572 """
bgneal@232 573 topic = get_object_or_404(Topic.objects.select_related(), pk=id)
bgneal@232 574 if _can_moderate(topic.forum, request.user):
bgneal@232 575 forum_url = topic.forum.get_absolute_url()
bgneal@232 576 _delete_topic(topic)
bgneal@232 577 return HttpResponseRedirect(forum_url)
bgneal@232 578
bgneal@232 579 return HttpResponseForbidden()
bgneal@232 580
bgneal@232 581
bgneal@232 582 @login_required
bgneal@232 583 def mod_topic_move(request, id):
bgneal@232 584 """
bgneal@232 585 This view function is for moderators to move a topic to a different forum.
bgneal@232 586 """
bgneal@232 587 topic = get_object_or_404(Topic.objects.select_related(), pk=id)
bgneal@232 588 if not _can_moderate(topic.forum, request.user):
bgneal@232 589 return HttpResponseForbidden()
bgneal@232 590
bgneal@232 591 if request.method == 'POST':
bgneal@232 592 form = MoveTopicForm(request.user, request.POST)
bgneal@232 593 if form.is_valid():
bgneal@232 594 new_forum = form.cleaned_data['forums']
bgneal@232 595 old_forum = topic.forum
bgneal@232 596 _move_topic(topic, old_forum, new_forum)
bgneal@232 597 return HttpResponseRedirect(topic.get_absolute_url())
bgneal@232 598 else:
bgneal@232 599 form = MoveTopicForm(request.user)
bgneal@232 600
bgneal@232 601 return render_to_response('forums/move_topic.html', {
bgneal@232 602 'forum': topic.forum,
bgneal@232 603 'topic': topic,
bgneal@232 604 'form': form,
bgneal@232 605 },
bgneal@232 606 context_instance=RequestContext(request))
bgneal@232 607
bgneal@232 608
bgneal@232 609 @login_required
bgneal@232 610 def mod_forum(request, slug):
bgneal@232 611 """
bgneal@232 612 Displays a view to allow moderators to perform various operations
bgneal@232 613 on topics in a forum in bulk. We currently support mass locking/unlocking,
bgneal@232 614 stickying and unstickying, moving, and deleting topics.
bgneal@232 615 """
bgneal@232 616 forum = get_object_or_404(Forum.objects.select_related(), slug=slug)
bgneal@232 617 if not _can_moderate(forum, request.user):
bgneal@232 618 return HttpResponseForbidden()
bgneal@232 619
bgneal@232 620 topics = forum.topics.select_related('user', 'last_post', 'last_post__user')
bgneal@232 621 paginator = create_topic_paginator(topics)
bgneal@232 622 page_num = get_page_num(request)
bgneal@232 623 try:
bgneal@232 624 page = paginator.page(page_num)
bgneal@232 625 except InvalidPage:
bgneal@232 626 raise Http404
bgneal@232 627
bgneal@232 628 # we do this for the template since it is rendered twice
bgneal@232 629 page_nav = render_to_string('forums/pagination.html', {'page': page})
bgneal@232 630 form = None
bgneal@232 631
bgneal@232 632 if request.method == 'POST':
bgneal@232 633 topic_ids = request.POST.getlist('topic_ids')
bgneal@232 634 url = reverse('forums-mod_forum', kwargs={'slug':forum.slug})
bgneal@232 635 url += '?page=%s' % page_num
bgneal@232 636
bgneal@232 637 if len(topic_ids):
bgneal@232 638 if request.POST.get('sticky'):
bgneal@232 639 _bulk_sticky(forum, topic_ids)
bgneal@232 640 return HttpResponseRedirect(url)
bgneal@232 641 elif request.POST.get('lock'):
bgneal@232 642 _bulk_lock(forum, topic_ids)
bgneal@232 643 return HttpResponseRedirect(url)
bgneal@232 644 elif request.POST.get('delete'):
bgneal@232 645 _bulk_delete(forum, topic_ids)
bgneal@232 646 return HttpResponseRedirect(url)
bgneal@232 647 elif request.POST.get('move'):
bgneal@232 648 form = MoveTopicForm(request.user, request.POST, hide_label=True)
bgneal@232 649 if form.is_valid():
bgneal@232 650 _bulk_move(topic_ids, forum, form.cleaned_data['forums'])
bgneal@232 651 return HttpResponseRedirect(url)
bgneal@286 652
bgneal@232 653 if form is None:
bgneal@232 654 form = MoveTopicForm(request.user, hide_label=True)
bgneal@232 655
bgneal@232 656 return render_to_response('forums/mod_forum.html', {
bgneal@232 657 'forum': forum,
bgneal@232 658 'page': page,
bgneal@232 659 'page_nav': page_nav,
bgneal@232 660 'form': form,
bgneal@232 661 },
bgneal@232 662 context_instance=RequestContext(request))
bgneal@232 663
bgneal@232 664
bgneal@232 665 @login_required
bgneal@232 666 @require_POST
bgneal@232 667 def forum_catchup(request, slug):
bgneal@232 668 """
bgneal@232 669 This view marks all the topics in the forum as being read.
bgneal@232 670 """
bgneal@232 671 forum = get_object_or_404(Forum.objects.select_related(), slug=slug)
bgneal@232 672
bgneal@232 673 if not forum.category.can_access(request.user):
bgneal@232 674 return HttpResponseForbidden()
bgneal@232 675
bgneal@232 676 forum.catchup(request.user)
bgneal@232 677 return HttpResponseRedirect(forum.get_absolute_url())
bgneal@232 678
bgneal@232 679
bgneal@232 680 @login_required
bgneal@232 681 def mod_topic_split(request, id):
bgneal@232 682 """
bgneal@232 683 This view function allows moderators to split posts off to a new topic.
bgneal@232 684 """
bgneal@232 685 topic = get_object_or_404(Topic.objects.select_related(), pk=id)
bgneal@232 686 if not _can_moderate(topic.forum, request.user):
bgneal@232 687 return HttpResponseRedirect(topic.get_absolute_url())
bgneal@232 688
bgneal@232 689 if request.method == "POST":
bgneal@232 690 form = SplitTopicForm(request.user, request.POST)
bgneal@232 691 if form.is_valid():
bgneal@232 692 if form.split_at:
bgneal@232 693 _split_topic_at(topic, form.post_ids[0],
bgneal@232 694 form.cleaned_data['forums'],
bgneal@232 695 form.cleaned_data['name'])
bgneal@232 696 else:
bgneal@232 697 _split_topic(topic, form.post_ids,
bgneal@232 698 form.cleaned_data['forums'],
bgneal@232 699 form.cleaned_data['name'])
bgneal@232 700
bgneal@232 701 return HttpResponseRedirect(topic.get_absolute_url())
bgneal@232 702 else:
bgneal@232 703 form = SplitTopicForm(request.user)
bgneal@232 704
bgneal@232 705 posts = topic.posts.select_related()
bgneal@232 706
bgneal@232 707 return render_to_response('forums/mod_split_topic.html', {
bgneal@232 708 'forum': topic.forum,
bgneal@232 709 'topic': topic,
bgneal@232 710 'posts': posts,
bgneal@232 711 'form': form,
bgneal@232 712 },
bgneal@232 713 context_instance=RequestContext(request))
bgneal@232 714
bgneal@232 715
bgneal@232 716 @login_required
bgneal@232 717 def unread_topics(request):
bgneal@232 718 """Displays the topics with unread posts for a given user."""
bgneal@232 719
bgneal@232 720 topics = get_unread_topics(request.user)
bgneal@232 721
bgneal@232 722 paginator = create_topic_paginator(topics)
bgneal@232 723 page_num = get_page_num(request)
bgneal@232 724 try:
bgneal@232 725 page = paginator.page(page_num)
bgneal@232 726 except InvalidPage:
bgneal@232 727 raise Http404
bgneal@232 728
bgneal@232 729 attach_topic_page_ranges(page.object_list)
bgneal@232 730
bgneal@232 731 # we do this for the template since it is rendered twice
bgneal@232 732 page_nav = render_to_string('forums/pagination.html', {'page': page})
bgneal@232 733
bgneal@232 734 return render_to_response('forums/topic_list.html', {
bgneal@232 735 'title': 'Topics With Unread Posts',
bgneal@232 736 'page': page,
bgneal@232 737 'page_nav': page_nav,
bgneal@232 738 },
bgneal@232 739 context_instance=RequestContext(request))
bgneal@232 740
bgneal@232 741
bgneal@232 742 def unanswered_topics(request):
bgneal@232 743 """Displays the topics with no replies."""
bgneal@232 744
bgneal@232 745 forum_ids = Forum.objects.forum_ids_for_user(request.user)
bgneal@232 746 topics = Topic.objects.filter(forum__id__in=forum_ids,
bgneal@232 747 post_count=1).select_related(
bgneal@232 748 'forum', 'user', 'last_post', 'last_post__user')
bgneal@232 749
bgneal@232 750 paginator = create_topic_paginator(topics)
bgneal@232 751 page_num = get_page_num(request)
bgneal@232 752 try:
bgneal@232 753 page = paginator.page(page_num)
bgneal@232 754 except InvalidPage:
bgneal@232 755 raise Http404
bgneal@232 756
bgneal@232 757 attach_topic_page_ranges(page.object_list)
bgneal@232 758
bgneal@232 759 # we do this for the template since it is rendered twice
bgneal@232 760 page_nav = render_to_string('forums/pagination.html', {'page': page})
bgneal@232 761
bgneal@232 762 return render_to_response('forums/topic_list.html', {
bgneal@232 763 'title': 'Unanswered Topics',
bgneal@232 764 'page': page,
bgneal@232 765 'page_nav': page_nav,
bgneal@232 766 },
bgneal@232 767 context_instance=RequestContext(request))
bgneal@232 768
bgneal@232 769
bgneal@232 770 @login_required
bgneal@232 771 def my_posts(request):
bgneal@232 772 """Displays a list of posts the requesting user made."""
bgneal@232 773 return _user_posts(request, request.user, request.user, 'My Posts')
bgneal@232 774
bgneal@232 775
bgneal@232 776 @login_required
bgneal@232 777 def posts_for_user(request, username):
bgneal@232 778 """Displays a list of posts by the given user.
bgneal@232 779 Only the forums that the requesting user can see are examined.
bgneal@232 780 """
bgneal@232 781 target_user = get_object_or_404(User, username=username)
bgneal@232 782 return _user_posts(request, target_user, request.user, 'Posts by %s' % username)
bgneal@232 783
bgneal@232 784
bgneal@232 785 @login_required
bgneal@232 786 def post_ip_info(request, post_id):
bgneal@232 787 """Displays information about the IP address the post was made from."""
bgneal@232 788 post = get_object_or_404(Post.objects.select_related(), pk=post_id)
bgneal@232 789
bgneal@232 790 if not _can_moderate(post.topic.forum, request.user):
bgneal@232 791 return HttpResponseForbidden("You don't have permission for this post.")
bgneal@232 792
bgneal@232 793 ip_users = sorted(set(Post.objects.filter(
bgneal@232 794 user_ip=post.user_ip).values_list('user__username', flat=True)))
bgneal@232 795
bgneal@232 796 return render_to_response('forums/post_ip.html', {
bgneal@232 797 'post': post,
bgneal@232 798 'ip_users': ip_users,
bgneal@232 799 },
bgneal@232 800 context_instance=RequestContext(request))
bgneal@232 801
bgneal@232 802
bgneal@232 803 def _user_posts(request, target_user, req_user, page_title):
bgneal@286 804 """Displays a list of posts made by the target user.
bgneal@232 805 req_user is the user trying to view the posts. Only the forums
bgneal@232 806 req_user can see are searched.
bgneal@232 807 """
bgneal@232 808 forum_ids = Forum.objects.forum_ids_for_user(req_user)
bgneal@232 809 posts = Post.objects.filter(user=target_user,
bgneal@232 810 topic__forum__id__in=forum_ids).order_by(
bgneal@232 811 '-creation_date').select_related()
bgneal@232 812
bgneal@232 813 paginator = create_post_paginator(posts)
bgneal@232 814 page_num = get_page_num(request)
bgneal@232 815 try:
bgneal@232 816 page = paginator.page(page_num)
bgneal@232 817 except InvalidPage:
bgneal@232 818 raise Http404
bgneal@232 819
bgneal@232 820 # we do this for the template since it is rendered twice
bgneal@232 821 page_nav = render_to_string('forums/pagination.html', {'page': page})
bgneal@232 822
bgneal@232 823 return render_to_response('forums/post_list.html', {
bgneal@232 824 'title': page_title,
bgneal@232 825 'page': page,
bgneal@232 826 'page_nav': page_nav,
bgneal@232 827 },
bgneal@232 828 context_instance=RequestContext(request))
bgneal@232 829
bgneal@232 830
bgneal@232 831 def _can_moderate(forum, user):
bgneal@232 832 """
bgneal@232 833 Determines if a user has permission to moderate a given forum.
bgneal@232 834 """
bgneal@232 835 return user.is_authenticated() and (
bgneal@232 836 user.is_superuser or user in forum.moderators.all())
bgneal@232 837
bgneal@232 838
bgneal@232 839 def _can_post_in_topic(topic, user):
bgneal@232 840 """
bgneal@232 841 This function returns true if the given user can post in the given topic
bgneal@232 842 and false otherwise.
bgneal@232 843 """
bgneal@232 844 return (not topic.locked and topic.forum.category.can_access(user)) or \
bgneal@232 845 (user.is_superuser or user in topic.forum.moderators.all())
bgneal@232 846
bgneal@232 847
bgneal@232 848 def _bump_post_count(user):
bgneal@232 849 """
bgneal@232 850 Increments the forum_post_count for the given user.
bgneal@232 851 """
bgneal@232 852 profile = user.get_profile()
bgneal@232 853 profile.forum_post_count += 1
bgneal@232 854 profile.save()
bgneal@232 855
bgneal@232 856
bgneal@232 857 def _quote_message(who, message):
bgneal@232 858 """
bgneal@232 859 Builds a message reply by quoting the existing message in a
bgneal@232 860 typical email-like fashion. The quoting is compatible with Markdown.
bgneal@232 861 """
bgneal@232 862 header = '*%s wrote:*\n\n' % (who, )
bgneal@232 863 lines = wrap(message, 55).split('\n')
bgneal@232 864 for i, line in enumerate(lines):
bgneal@232 865 lines[i] = '> ' + line
bgneal@232 866 return header + '\n'.join(lines)
bgneal@232 867
bgneal@232 868
bgneal@232 869 def _move_topic(topic, old_forum, new_forum):
bgneal@232 870 if new_forum != old_forum:
bgneal@232 871 topic.forum = new_forum
bgneal@232 872 topic.save()
bgneal@232 873 # Have to adjust foreign keys to last_post, denormalized counts, etc.:
bgneal@232 874 old_forum.sync()
bgneal@232 875 old_forum.save()
bgneal@232 876 new_forum.sync()
bgneal@232 877 new_forum.save()
bgneal@232 878
bgneal@232 879
bgneal@232 880 def _bulk_sticky(forum, topic_ids):
bgneal@232 881 """
bgneal@232 882 Performs a toggle on the sticky status for a given list of topic ids.
bgneal@232 883 """
bgneal@232 884 topics = Topic.objects.filter(pk__in=topic_ids)
bgneal@232 885 for topic in topics:
bgneal@232 886 if topic.forum == forum:
bgneal@232 887 topic.sticky = not topic.sticky
bgneal@232 888 topic.save()
bgneal@232 889
bgneal@232 890
bgneal@232 891 def _bulk_lock(forum, topic_ids):
bgneal@232 892 """
bgneal@232 893 Performs a toggle on the locked status for a given list of topic ids.
bgneal@232 894 """
bgneal@232 895 topics = Topic.objects.filter(pk__in=topic_ids)
bgneal@232 896 for topic in topics:
bgneal@232 897 if topic.forum == forum:
bgneal@232 898 topic.locked = not topic.locked
bgneal@232 899 topic.save()
bgneal@232 900
bgneal@232 901
bgneal@232 902 def _bulk_delete(forum, topic_ids):
bgneal@232 903 """
bgneal@232 904 Deletes the list of topics.
bgneal@232 905 """
bgneal@235 906 # Because we are deleting stuff, retrieve each topic one at a
bgneal@235 907 # time since we are going to be adjusting de-normalized fields
bgneal@235 908 # during deletes. In particular, we can't do this:
bgneal@235 909 # topics = Topic.objects.filter(pk__in=topic_ids).select_related()
bgneal@235 910 # for topic in topics:
bgneal@235 911 # since topic.forum.last_post can go stale after a delete.
bgneal@235 912
bgneal@235 913 for id in topic_ids:
bgneal@235 914 try:
bgneal@235 915 topic = Topic.objects.select_related().get(pk=id)
bgneal@235 916 except Topic.DoesNotExist:
bgneal@235 917 continue
bgneal@235 918 _delete_topic(topic)
bgneal@232 919
bgneal@232 920
bgneal@232 921 def _bulk_move(topic_ids, old_forum, new_forum):
bgneal@232 922 """
bgneal@232 923 Moves the list of topics to a new forum.
bgneal@232 924 """
bgneal@232 925 topics = Topic.objects.filter(pk__in=topic_ids).select_related()
bgneal@232 926 for topic in topics:
bgneal@232 927 if topic.forum == old_forum:
bgneal@232 928 _move_topic(topic, old_forum, new_forum)
bgneal@232 929
bgneal@232 930
bgneal@232 931 def _update_last_visit(user, topic):
bgneal@232 932 """
bgneal@232 933 Does the bookkeeping for the last visit status for the user to the
bgneal@232 934 topic/forum.
bgneal@232 935 """
bgneal@232 936 now = datetime.datetime.now()
bgneal@232 937 try:
bgneal@232 938 flv = ForumLastVisit.objects.get(user=user, forum=topic.forum)
bgneal@232 939 except ForumLastVisit.DoesNotExist:
bgneal@232 940 flv = ForumLastVisit(user=user, forum=topic.forum)
bgneal@232 941 flv.begin_date = now
bgneal@232 942
bgneal@232 943 flv.end_date = now
bgneal@232 944 flv.save()
bgneal@232 945
bgneal@232 946 if topic.update_date > flv.begin_date:
bgneal@232 947 try:
bgneal@232 948 tlv = TopicLastVisit.objects.get(user=user, topic=topic)
bgneal@232 949 except TopicLastVisit.DoesNotExist:
bgneal@232 950 tlv = TopicLastVisit(user=user, topic=topic)
bgneal@232 951
bgneal@232 952 tlv.touch()
bgneal@232 953 tlv.save()
bgneal@232 954
bgneal@232 955
bgneal@232 956 def _split_topic_at(topic, post_id, new_forum, new_name):
bgneal@232 957 """
bgneal@232 958 This function splits the post given by post_id and all posts that come
bgneal@232 959 after it in the given topic to a new topic in a new forum.
bgneal@232 960 It is assumed the caller has been checked for moderator rights.
bgneal@232 961 """
bgneal@232 962 post = get_object_or_404(Post, id=post_id)
bgneal@232 963 if post.topic == topic:
bgneal@232 964 post_ids = Post.objects.filter(topic=topic,
bgneal@232 965 creation_date__gte=post.creation_date).values_list('id', flat=True)
bgneal@232 966 _split_topic(topic, post_ids, new_forum, new_name)
bgneal@232 967
bgneal@232 968
bgneal@232 969 def _split_topic(topic, post_ids, new_forum, new_name):
bgneal@232 970 """
bgneal@232 971 This function splits the posts given by the post_ids list in the
bgneal@232 972 given topic to a new topic in a new forum.
bgneal@232 973 It is assumed the caller has been checked for moderator rights.
bgneal@232 974 """
bgneal@232 975 posts = Post.objects.filter(topic=topic, id__in=post_ids)
bgneal@232 976 if len(posts) > 0:
bgneal@232 977 new_topic = Topic(forum=new_forum, name=new_name, user=posts[0].user)
bgneal@232 978 new_topic.save()
bgneal@232 979 for post in posts:
bgneal@232 980 post.topic = new_topic
bgneal@232 981 post.save()
bgneal@286 982
bgneal@232 983 topic.post_count_update()
bgneal@232 984 topic.save()
bgneal@232 985 new_topic.post_count_update()
bgneal@232 986 new_topic.save()
bgneal@232 987 topic.forum.sync()
bgneal@232 988 topic.forum.save()
bgneal@232 989 new_forum.sync()
bgneal@232 990 new_forum.save()