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annotate gpp/forums/views/main.py @ 328:3f9b9fd54b01

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Some optimizations to reduce database query times.
author Brian Neal <bgneal@gmail.com>
date Tue, 22 Feb 2011 05:40:29 +0000
parents c550933ff5b6
children 000c006fee97
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 paginator = create_topic_paginator(topics)
bgneal@232 131 page_num = get_page_num(request)
bgneal@232 132 try:
bgneal@232 133 page = paginator.page(page_num)
bgneal@232 134 except InvalidPage:
bgneal@232 135 raise Http404
bgneal@232 136
bgneal@328 137 get_topic_unread_status(forum, page.object_list, request.user)
bgneal@232 138 attach_topic_page_ranges(page.object_list)
bgneal@232 139
bgneal@232 140 # we do this for the template since it is rendered twice
bgneal@232 141 page_nav = render_to_string('forums/pagination.html', {'page': page})
bgneal@232 142
bgneal@232 143 can_moderate = _can_moderate(forum, request.user)
bgneal@286 144
bgneal@232 145 return render_to_response('forums/forum_index.html', {
bgneal@232 146 'forum': forum,
bgneal@263 147 'feed': feed,
bgneal@232 148 'page': page,
bgneal@232 149 'page_nav': page_nav,
bgneal@232 150 'can_moderate': can_moderate,
bgneal@232 151 },
bgneal@232 152 context_instance=RequestContext(request))
bgneal@232 153
bgneal@232 154
bgneal@232 155 def topic_index(request, id):
bgneal@232 156 """
bgneal@232 157 Displays all the posts in a topic.
bgneal@232 158 """
bgneal@232 159 topic = get_object_or_404(Topic.objects.select_related(
bgneal@232 160 'forum', 'forum__category', 'last_post'), pk=id)
bgneal@232 161
bgneal@232 162 if not topic.forum.category.can_access(request.user):
bgneal@232 163 return HttpResponseForbidden()
bgneal@232 164
bgneal@232 165 topic.view_count = F('view_count') + 1
bgneal@232 166 topic.save(force_update=True)
bgneal@232 167
bgneal@328 168 posts = topic.posts.select_related(depth=1)
bgneal@232 169
bgneal@232 170 paginator = create_post_paginator(posts)
bgneal@232 171 page_num = get_page_num(request)
bgneal@232 172 try:
bgneal@232 173 page = paginator.page(page_num)
bgneal@232 174 except InvalidPage:
bgneal@232 175 raise Http404
bgneal@232 176 get_post_unread_status(topic, page.object_list, request.user)
bgneal@232 177
bgneal@232 178 # Attach user profiles to each post to avoid using get_user_profile() in
bgneal@232 179 # the template.
bgneal@232 180 users = set(post.user.id for post in page.object_list)
bgneal@232 181
bgneal@232 182 profiles = UserProfile.objects.filter(user__id__in=users).select_related()
bgneal@232 183 user_profiles = dict((profile.user.id, profile) for profile in profiles)
bgneal@232 184
bgneal@232 185 for post in page.object_list:
bgneal@232 186 post.user_profile = user_profiles[post.user.id]
bgneal@285 187 post.attach_list = []
bgneal@285 188
bgneal@285 189 # Attach any attachments
bgneal@285 190 post_ids = [post.pk for post in page.object_list]
bgneal@285 191 attachments = Attachment.objects.filter(post__in=post_ids).select_related(
bgneal@285 192 'embed').order_by('order')
bgneal@285 193
bgneal@285 194 post_dict = dict((post.pk, post) for post in page.object_list)
bgneal@285 195 for item in attachments:
bgneal@285 196 post_dict[item.post.id].attach_list.append(item.embed)
bgneal@232 197
bgneal@232 198 last_page = page_num == paginator.num_pages
bgneal@232 199
bgneal@232 200 if request.user.is_authenticated() and last_page:
bgneal@232 201 _update_last_visit(request.user, topic)
bgneal@232 202
bgneal@232 203 # we do this for the template since it is rendered twice
bgneal@232 204 page_nav = render_to_string('forums/pagination.html', {'page': page})
bgneal@232 205
bgneal@232 206 can_moderate = _can_moderate(topic.forum, request.user)
bgneal@232 207
bgneal@232 208 can_reply = request.user.is_authenticated() and (
bgneal@232 209 not topic.locked or can_moderate)
bgneal@232 210
bgneal@232 211 is_favorite = request.user.is_authenticated() and (
bgneal@232 212 topic in request.user.favorite_topics.all())
bgneal@232 213
bgneal@232 214 is_subscribed = request.user.is_authenticated() and (
bgneal@232 215 topic in request.user.subscriptions.all())
bgneal@232 216
bgneal@232 217 return render_to_response('forums/topic.html', {
bgneal@232 218 'forum': topic.forum,
bgneal@232 219 'topic': topic,
bgneal@232 220 'page': page,
bgneal@232 221 'page_nav': page_nav,
bgneal@232 222 'last_page': last_page,
bgneal@232 223 'can_moderate': can_moderate,
bgneal@232 224 'can_reply': can_reply,
bgneal@232 225 'form': NewPostForm(initial={'topic_id': topic.id}),
bgneal@232 226 'is_favorite': is_favorite,
bgneal@232 227 'is_subscribed': is_subscribed,
bgneal@232 228 },
bgneal@232 229 context_instance=RequestContext(request))
bgneal@232 230
bgneal@232 231
bgneal@232 232 @login_required
bgneal@232 233 def new_topic(request, slug):
bgneal@232 234 """
bgneal@232 235 This view handles the creation of new topics.
bgneal@232 236 """
bgneal@232 237 forum = get_object_or_404(Forum.objects.select_related(), slug=slug)
bgneal@232 238
bgneal@232 239 if not forum.category.can_access(request.user):
bgneal@232 240 return HttpResponseForbidden()
bgneal@232 241
bgneal@232 242 if request.method == 'POST':
bgneal@232 243 form = NewTopicForm(request.user, forum, request.POST)
bgneal@232 244 if form.is_valid():
bgneal@232 245 if antispam.utils.spam_check(request, form.cleaned_data['body']):
bgneal@232 246 return HttpResponseRedirect(reverse('antispam-suspended'))
bgneal@232 247
bgneal@232 248 topic = form.save(request.META.get("REMOTE_ADDR"))
bgneal@232 249 _bump_post_count(request.user)
bgneal@232 250 return HttpResponseRedirect(reverse('forums-new_topic_thanks',
bgneal@232 251 kwargs={'tid': topic.pk}))
bgneal@232 252 else:
bgneal@232 253 form = NewTopicForm(request.user, forum)
bgneal@286 254
bgneal@232 255 return render_to_response('forums/new_topic.html', {
bgneal@232 256 'forum': forum,
bgneal@232 257 'form': form,
bgneal@232 258 },
bgneal@232 259 context_instance=RequestContext(request))
bgneal@232 260
bgneal@232 261
bgneal@232 262 @login_required
bgneal@232 263 def new_topic_thanks(request, tid):
bgneal@232 264 """
bgneal@232 265 This view displays the success page for a newly created topic.
bgneal@232 266 """
bgneal@232 267 topic = get_object_or_404(Topic.objects.select_related(), pk=tid)
bgneal@232 268 return render_to_response('forums/new_topic_thanks.html', {
bgneal@232 269 'forum': topic.forum,
bgneal@232 270 'topic': topic,
bgneal@232 271 },
bgneal@232 272 context_instance=RequestContext(request))
bgneal@232 273
bgneal@232 274
bgneal@232 275 @require_POST
bgneal@232 276 def quick_reply_ajax(request):
bgneal@232 277 """
bgneal@232 278 This function handles the quick reply to a thread function. This
bgneal@232 279 function is meant to be the target of an AJAX post, and returns
bgneal@232 280 the HTML for the new post, which the client-side script appends
bgneal@232 281 to the document.
bgneal@232 282 """
bgneal@232 283 if not request.user.is_authenticated():
bgneal@232 284 return HttpResponseForbidden('Please login or register to post.')
bgneal@232 285
bgneal@232 286 form = NewPostForm(request.POST)
bgneal@232 287 if form.is_valid():
bgneal@232 288 if not _can_post_in_topic(form.topic, request.user):
bgneal@232 289 return HttpResponseForbidden("You don't have permission to post in this topic.")
bgneal@232 290 if antispam.utils.spam_check(request, form.cleaned_data['body']):
bgneal@232 291 return HttpResponseForbidden(antispam.BUSTED_MESSAGE)
bgneal@232 292
bgneal@232 293 post = form.save(request.user, request.META.get("REMOTE_ADDR", ""))
bgneal@232 294 post.unread = True
bgneal@232 295 post.user_profile = request.user.get_profile()
bgneal@285 296 post.attach_list = post.attachments.all()
bgneal@232 297 _bump_post_count(request.user)
bgneal@232 298 _update_last_visit(request.user, form.topic)
bgneal@285 299
bgneal@232 300 return render_to_response('forums/display_post.html', {
bgneal@232 301 'post': post,
bgneal@232 302 'can_moderate': _can_moderate(form.topic.forum, request.user),
bgneal@232 303 'can_reply': True,
bgneal@232 304 },
bgneal@232 305 context_instance=RequestContext(request))
bgneal@232 306
bgneal@286 307 return HttpResponseBadRequest("Oops, did you forget some text?");
bgneal@232 308
bgneal@232 309
bgneal@232 310 def goto_post(request, post_id):
bgneal@232 311 """
bgneal@232 312 This function calculates what page a given post is on, then redirects
bgneal@232 313 to that URL. This function is the target of get_absolute_url() for
bgneal@232 314 Post objects.
bgneal@232 315 """
bgneal@232 316 post = get_object_or_404(Post.objects.select_related(), pk=post_id)
bgneal@232 317 count = post.topic.posts.filter(creation_date__lt=post.creation_date).count()
bgneal@232 318 page = count / POSTS_PER_PAGE + 1
bgneal@232 319 url = reverse('forums-topic_index', kwargs={'id': post.topic.id}) + \
bgneal@232 320 '?page=%s#p%s' % (page, post.id)
bgneal@232 321 return HttpResponseRedirect(url)
bgneal@232 322
bgneal@232 323
bgneal@232 324 @require_POST
bgneal@232 325 def flag_post(request):
bgneal@232 326 """
bgneal@232 327 This function handles the flagging of posts by users. This function should
bgneal@232 328 be the target of an AJAX post.
bgneal@232 329 """
bgneal@232 330 if not request.user.is_authenticated():
bgneal@232 331 return HttpResponseForbidden('Please login or register to flag a post.')
bgneal@232 332
bgneal@232 333 id = request.POST.get('id')
bgneal@232 334 if id is None:
bgneal@232 335 return HttpResponseBadRequest('No post id')
bgneal@232 336
bgneal@232 337 try:
bgneal@232 338 post = Post.objects.get(pk=id)
bgneal@232 339 except Post.DoesNotExist:
bgneal@232 340 return HttpResponseBadRequest('No post with id %s' % id)
bgneal@232 341
bgneal@232 342 flag = FlaggedPost(user=request.user, post=post)
bgneal@232 343 flag.save()
bgneal@232 344 email_admins('A Post Has Been Flagged', """Hello,
bgneal@232 345
bgneal@232 346 A user has flagged a forum post for review.
bgneal@232 347 """)
bgneal@232 348 return HttpResponse('The post was flagged. A moderator will review the post shortly. ' \
bgneal@232 349 'Thanks for helping to improve the discussions on this site.')
bgneal@232 350
bgneal@232 351
bgneal@232 352 @login_required
bgneal@232 353 def edit_post(request, id):
bgneal@232 354 """
bgneal@232 355 This view function allows authorized users to edit posts.
bgneal@232 356 The superuser, forum moderators, and original author can edit posts.
bgneal@232 357 """
bgneal@232 358 post = get_object_or_404(Post.objects.select_related(), pk=id)
bgneal@232 359
bgneal@232 360 can_moderate = _can_moderate(post.topic.forum, request.user)
bgneal@232 361 can_edit = can_moderate or request.user == post.user
bgneal@232 362
bgneal@232 363 if not can_edit:
bgneal@232 364 return HttpResponseForbidden("You don't have permission to edit that post.")
bgneal@232 365
bgneal@295 366 topic_name = None
bgneal@295 367 first_post = Post.objects.filter(topic=post.topic).order_by('creation_date')[0]
bgneal@295 368 if first_post.id == post.id:
bgneal@295 369 topic_name = post.topic.name
bgneal@295 370
bgneal@232 371 if request.method == "POST":
bgneal@295 372 form = PostForm(request.POST, instance=post, topic_name=topic_name)
bgneal@232 373 if form.is_valid():
bgneal@232 374 if antispam.utils.spam_check(request, form.cleaned_data['body']):
bgneal@232 375 return HttpResponseRedirect(reverse('antispam-suspended'))
bgneal@232 376 post = form.save(commit=False)
bgneal@232 377 post.touch()
bgneal@232 378 post.save()
bgneal@285 379
bgneal@295 380 # if we are editing a first post, save the parent topic as well
bgneal@295 381 if topic_name:
bgneal@295 382 post.topic.save()
bgneal@295 383
bgneal@285 384 # Save any attachments
bgneal@286 385 form.attach_proc.save_attachments(post)
bgneal@285 386
bgneal@232 387 return HttpResponseRedirect(post.get_absolute_url())
bgneal@232 388 else:
bgneal@295 389 form = PostForm(instance=post, topic_name=topic_name)
bgneal@232 390
bgneal@298 391 post.user_profile = post.user.get_profile()
bgneal@232 392
bgneal@232 393 return render_to_response('forums/edit_post.html', {
bgneal@232 394 'forum': post.topic.forum,
bgneal@232 395 'topic': post.topic,
bgneal@232 396 'post': post,
bgneal@232 397 'form': form,
bgneal@232 398 'can_moderate': can_moderate,
bgneal@232 399 },
bgneal@232 400 context_instance=RequestContext(request))
bgneal@232 401
bgneal@232 402
bgneal@232 403 @require_POST
bgneal@232 404 def delete_post(request):
bgneal@232 405 """
bgneal@232 406 This view function allows superusers and forum moderators to delete posts.
bgneal@232 407 This function is the target of AJAX calls from the client.
bgneal@232 408 """
bgneal@232 409 if not request.user.is_authenticated():
bgneal@232 410 return HttpResponseForbidden('Please login to delete a post.')
bgneal@232 411
bgneal@232 412 id = request.POST.get('id')
bgneal@232 413 if id is None:
bgneal@232 414 return HttpResponseBadRequest('No post id')
bgneal@232 415
bgneal@232 416 post = get_object_or_404(Post.objects.select_related(), pk=id)
bgneal@232 417
bgneal@232 418 can_delete = request.user.is_superuser or \
bgneal@232 419 request.user in post.topic.forum.moderators.all()
bgneal@232 420
bgneal@232 421 if not can_delete:
bgneal@232 422 return HttpResponseForbidden("You don't have permission to delete that post.")
bgneal@232 423
bgneal@232 424 delete_single_post(post)
bgneal@232 425 return HttpResponse("The post has been deleted.")
bgneal@232 426
bgneal@232 427
bgneal@232 428 def delete_single_post(post):
bgneal@232 429 """
bgneal@232 430 This function deletes a single post. It handles the case of where
bgneal@232 431 a post is the sole post in a topic by deleting the topic also. It
bgneal@232 432 adjusts any foreign keys in Topic or Forum objects that might be pointing
bgneal@232 433 to this post before deleting the post to avoid a cascading delete.
bgneal@232 434 """
bgneal@232 435 if post.topic.post_count == 1 and post == post.topic.last_post:
bgneal@232 436 _delete_topic(post.topic)
bgneal@232 437 else:
bgneal@232 438 _delete_post(post)
bgneal@232 439
bgneal@232 440
bgneal@232 441 def _delete_post(post):
bgneal@232 442 """
bgneal@232 443 Internal function to delete a single post object.
bgneal@232 444 Decrements the post author's post count.
bgneal@232 445 Adjusts the parent topic and forum's last_post as needed.
bgneal@232 446 """
bgneal@232 447 # Adjust post creator's post count
bgneal@232 448 profile = post.user.get_profile()
bgneal@232 449 if profile.forum_post_count > 0:
bgneal@232 450 profile.forum_post_count -= 1
bgneal@232 451 profile.save()
bgneal@232 452
bgneal@232 453 # If this post is the last_post in a topic, we need to update
bgneal@232 454 # both the topic and parent forum's last post fields. If we don't
bgneal@232 455 # the cascading delete will delete them also!
bgneal@232 456
bgneal@232 457 topic = post.topic
bgneal@232 458 if topic.last_post == post:
bgneal@232 459 topic.last_post_pre_delete()
bgneal@232 460 topic.save()
bgneal@232 461
bgneal@232 462 forum = topic.forum
bgneal@232 463 if forum.last_post == post:
bgneal@232 464 forum.last_post_pre_delete()
bgneal@232 465 forum.save()
bgneal@232 466
bgneal@285 467 # delete any attachments
bgneal@285 468 post.attachments.clear()
bgneal@285 469
bgneal@232 470 # Should be safe to delete the post now:
bgneal@232 471 post.delete()
bgneal@232 472
bgneal@232 473
bgneal@232 474 def _delete_topic(topic):
bgneal@232 475 """
bgneal@232 476 Internal function to delete an entire topic.
bgneal@232 477 Deletes the topic and all posts contained within.
bgneal@232 478 Adjusts the parent forum's last_post as needed.
bgneal@232 479 Note that we don't bother adjusting all the users'
bgneal@232 480 post counts as that doesn't seem to be worth the effort.
bgneal@232 481 """
bgneal@318 482 parent_forum = topic.forum
bgneal@318 483 if parent_forum.last_post and parent_forum.last_post.topic == topic:
bgneal@318 484 parent_forum.last_post_pre_delete(deleting_topic=True)
bgneal@318 485 parent_forum.save()
bgneal@232 486
bgneal@232 487 # delete subscriptions to this topic
bgneal@232 488 topic.subscribers.clear()
bgneal@232 489 topic.bookmarkers.clear()
bgneal@232 490
bgneal@285 491 # delete all attachments
bgneal@285 492 posts = Post.objects.filter(topic=topic)
bgneal@285 493 for post in posts:
bgneal@285 494 post.attachments.clear()
bgneal@285 495
bgneal@318 496 # Null out the topic's last post so we don't have a foreign key pointing
bgneal@318 497 # to a post when we delete posts.
bgneal@318 498 topic.last_post = None
bgneal@318 499 topic.save()
bgneal@318 500
bgneal@318 501 # delete all posts in bulk
bgneal@318 502 posts.delete()
bgneal@318 503
bgneal@318 504 # It should be safe to just delete the topic now.
bgneal@232 505 topic.delete()
bgneal@232 506
bgneal@318 507 # Resync parent forum's post and topic counts
bgneal@318 508 parent_forum.sync()
bgneal@318 509 parent_forum.save()
bgneal@318 510
bgneal@232 511
bgneal@232 512 @login_required
bgneal@232 513 def new_post(request, topic_id):
bgneal@232 514 """
bgneal@232 515 This function is the view for creating a normal, non-quick reply
bgneal@232 516 to a topic.
bgneal@232 517 """
bgneal@232 518 topic = get_object_or_404(Topic.objects.select_related(), pk=topic_id)
bgneal@232 519 can_post = _can_post_in_topic(topic, request.user)
bgneal@232 520
bgneal@232 521 if can_post:
bgneal@232 522 if request.method == 'POST':
bgneal@232 523 form = PostForm(request.POST)
bgneal@232 524 if form.is_valid():
bgneal@232 525 if antispam.utils.spam_check(request, form.cleaned_data['body']):
bgneal@232 526 return HttpResponseRedirect(reverse('antispam-suspended'))
bgneal@232 527 post = form.save(commit=False)
bgneal@232 528 post.topic = topic
bgneal@232 529 post.user = request.user
bgneal@232 530 post.user_ip = request.META.get("REMOTE_ADDR", "")
bgneal@232 531 post.save()
bgneal@285 532
bgneal@285 533 # Save any attachments
bgneal@286 534 form.attach_proc.save_attachments(post)
bgneal@285 535
bgneal@232 536 _bump_post_count(request.user)
bgneal@232 537 _update_last_visit(request.user, topic)
bgneal@232 538 return HttpResponseRedirect(post.get_absolute_url())
bgneal@232 539 else:
bgneal@232 540 quote_id = request.GET.get('quote')
bgneal@232 541 if quote_id:
bgneal@232 542 quote_post = get_object_or_404(Post.objects.select_related(),
bgneal@232 543 pk=quote_id)
bgneal@232 544 form = PostForm(initial={'body': _quote_message(quote_post.user.username,
bgneal@232 545 quote_post.body)})
bgneal@232 546 else:
bgneal@232 547 form = PostForm()
bgneal@232 548 else:
bgneal@232 549 form = None
bgneal@232 550
bgneal@232 551 return render_to_response('forums/new_post.html', {
bgneal@232 552 'forum': topic.forum,
bgneal@232 553 'topic': topic,
bgneal@232 554 'form': form,
bgneal@232 555 'can_post': can_post,
bgneal@232 556 },
bgneal@232 557 context_instance=RequestContext(request))
bgneal@232 558
bgneal@232 559
bgneal@232 560 @login_required
bgneal@232 561 def mod_topic_stick(request, id):
bgneal@232 562 """
bgneal@232 563 This view function is for moderators to toggle the sticky status of a topic.
bgneal@232 564 """
bgneal@232 565 topic = get_object_or_404(Topic.objects.select_related(), pk=id)
bgneal@232 566 if _can_moderate(topic.forum, request.user):
bgneal@232 567 topic.sticky = not topic.sticky
bgneal@232 568 topic.save()
bgneal@232 569 return HttpResponseRedirect(topic.get_absolute_url())
bgneal@232 570
bgneal@232 571 return HttpResponseForbidden()
bgneal@232 572
bgneal@232 573
bgneal@232 574 @login_required
bgneal@232 575 def mod_topic_lock(request, id):
bgneal@232 576 """
bgneal@232 577 This view function is for moderators to toggle the locked status of a topic.
bgneal@232 578 """
bgneal@232 579 topic = get_object_or_404(Topic.objects.select_related(), pk=id)
bgneal@232 580 if _can_moderate(topic.forum, request.user):
bgneal@232 581 topic.locked = not topic.locked
bgneal@232 582 topic.save()
bgneal@232 583 return HttpResponseRedirect(topic.get_absolute_url())
bgneal@232 584
bgneal@232 585 return HttpResponseForbidden()
bgneal@232 586
bgneal@232 587
bgneal@232 588 @login_required
bgneal@232 589 def mod_topic_delete(request, id):
bgneal@232 590 """
bgneal@232 591 This view function is for moderators to delete an entire topic.
bgneal@232 592 """
bgneal@232 593 topic = get_object_or_404(Topic.objects.select_related(), pk=id)
bgneal@232 594 if _can_moderate(topic.forum, request.user):
bgneal@232 595 forum_url = topic.forum.get_absolute_url()
bgneal@232 596 _delete_topic(topic)
bgneal@232 597 return HttpResponseRedirect(forum_url)
bgneal@232 598
bgneal@232 599 return HttpResponseForbidden()
bgneal@232 600
bgneal@232 601
bgneal@232 602 @login_required
bgneal@232 603 def mod_topic_move(request, id):
bgneal@232 604 """
bgneal@232 605 This view function is for moderators to move a topic to a different forum.
bgneal@232 606 """
bgneal@232 607 topic = get_object_or_404(Topic.objects.select_related(), pk=id)
bgneal@232 608 if not _can_moderate(topic.forum, request.user):
bgneal@232 609 return HttpResponseForbidden()
bgneal@232 610
bgneal@232 611 if request.method == 'POST':
bgneal@232 612 form = MoveTopicForm(request.user, request.POST)
bgneal@232 613 if form.is_valid():
bgneal@232 614 new_forum = form.cleaned_data['forums']
bgneal@232 615 old_forum = topic.forum
bgneal@232 616 _move_topic(topic, old_forum, new_forum)
bgneal@232 617 return HttpResponseRedirect(topic.get_absolute_url())
bgneal@232 618 else:
bgneal@232 619 form = MoveTopicForm(request.user)
bgneal@232 620
bgneal@232 621 return render_to_response('forums/move_topic.html', {
bgneal@232 622 'forum': topic.forum,
bgneal@232 623 'topic': topic,
bgneal@232 624 'form': form,
bgneal@232 625 },
bgneal@232 626 context_instance=RequestContext(request))
bgneal@232 627
bgneal@232 628
bgneal@232 629 @login_required
bgneal@232 630 def mod_forum(request, slug):
bgneal@232 631 """
bgneal@232 632 Displays a view to allow moderators to perform various operations
bgneal@232 633 on topics in a forum in bulk. We currently support mass locking/unlocking,
bgneal@232 634 stickying and unstickying, moving, and deleting topics.
bgneal@232 635 """
bgneal@232 636 forum = get_object_or_404(Forum.objects.select_related(), slug=slug)
bgneal@232 637 if not _can_moderate(forum, request.user):
bgneal@232 638 return HttpResponseForbidden()
bgneal@232 639
bgneal@232 640 topics = forum.topics.select_related('user', 'last_post', 'last_post__user')
bgneal@232 641 paginator = create_topic_paginator(topics)
bgneal@232 642 page_num = get_page_num(request)
bgneal@232 643 try:
bgneal@232 644 page = paginator.page(page_num)
bgneal@232 645 except InvalidPage:
bgneal@232 646 raise Http404
bgneal@232 647
bgneal@232 648 # we do this for the template since it is rendered twice
bgneal@232 649 page_nav = render_to_string('forums/pagination.html', {'page': page})
bgneal@232 650 form = None
bgneal@232 651
bgneal@232 652 if request.method == 'POST':
bgneal@232 653 topic_ids = request.POST.getlist('topic_ids')
bgneal@232 654 url = reverse('forums-mod_forum', kwargs={'slug':forum.slug})
bgneal@232 655 url += '?page=%s' % page_num
bgneal@232 656
bgneal@232 657 if len(topic_ids):
bgneal@232 658 if request.POST.get('sticky'):
bgneal@232 659 _bulk_sticky(forum, topic_ids)
bgneal@232 660 return HttpResponseRedirect(url)
bgneal@232 661 elif request.POST.get('lock'):
bgneal@232 662 _bulk_lock(forum, topic_ids)
bgneal@232 663 return HttpResponseRedirect(url)
bgneal@232 664 elif request.POST.get('delete'):
bgneal@232 665 _bulk_delete(forum, topic_ids)
bgneal@232 666 return HttpResponseRedirect(url)
bgneal@232 667 elif request.POST.get('move'):
bgneal@232 668 form = MoveTopicForm(request.user, request.POST, hide_label=True)
bgneal@232 669 if form.is_valid():
bgneal@232 670 _bulk_move(topic_ids, forum, form.cleaned_data['forums'])
bgneal@232 671 return HttpResponseRedirect(url)
bgneal@286 672
bgneal@232 673 if form is None:
bgneal@232 674 form = MoveTopicForm(request.user, hide_label=True)
bgneal@232 675
bgneal@232 676 return render_to_response('forums/mod_forum.html', {
bgneal@232 677 'forum': forum,
bgneal@232 678 'page': page,
bgneal@232 679 'page_nav': page_nav,
bgneal@232 680 'form': form,
bgneal@232 681 },
bgneal@232 682 context_instance=RequestContext(request))
bgneal@232 683
bgneal@232 684
bgneal@232 685 @login_required
bgneal@232 686 @require_POST
bgneal@232 687 def forum_catchup(request, slug):
bgneal@232 688 """
bgneal@232 689 This view marks all the topics in the forum as being read.
bgneal@232 690 """
bgneal@232 691 forum = get_object_or_404(Forum.objects.select_related(), slug=slug)
bgneal@232 692
bgneal@232 693 if not forum.category.can_access(request.user):
bgneal@232 694 return HttpResponseForbidden()
bgneal@232 695
bgneal@232 696 forum.catchup(request.user)
bgneal@232 697 return HttpResponseRedirect(forum.get_absolute_url())
bgneal@232 698
bgneal@232 699
bgneal@232 700 @login_required
bgneal@232 701 def mod_topic_split(request, id):
bgneal@232 702 """
bgneal@232 703 This view function allows moderators to split posts off to a new topic.
bgneal@232 704 """
bgneal@232 705 topic = get_object_or_404(Topic.objects.select_related(), pk=id)
bgneal@232 706 if not _can_moderate(topic.forum, request.user):
bgneal@232 707 return HttpResponseRedirect(topic.get_absolute_url())
bgneal@232 708
bgneal@232 709 if request.method == "POST":
bgneal@232 710 form = SplitTopicForm(request.user, request.POST)
bgneal@232 711 if form.is_valid():
bgneal@232 712 if form.split_at:
bgneal@232 713 _split_topic_at(topic, form.post_ids[0],
bgneal@232 714 form.cleaned_data['forums'],
bgneal@232 715 form.cleaned_data['name'])
bgneal@232 716 else:
bgneal@232 717 _split_topic(topic, form.post_ids,
bgneal@232 718 form.cleaned_data['forums'],
bgneal@232 719 form.cleaned_data['name'])
bgneal@232 720
bgneal@232 721 return HttpResponseRedirect(topic.get_absolute_url())
bgneal@232 722 else:
bgneal@232 723 form = SplitTopicForm(request.user)
bgneal@232 724
bgneal@232 725 posts = topic.posts.select_related()
bgneal@232 726
bgneal@232 727 return render_to_response('forums/mod_split_topic.html', {
bgneal@232 728 'forum': topic.forum,
bgneal@232 729 'topic': topic,
bgneal@232 730 'posts': posts,
bgneal@232 731 'form': form,
bgneal@232 732 },
bgneal@232 733 context_instance=RequestContext(request))
bgneal@232 734
bgneal@232 735
bgneal@232 736 @login_required
bgneal@232 737 def unread_topics(request):
bgneal@232 738 """Displays the topics with unread posts for a given user."""
bgneal@232 739
bgneal@232 740 topics = get_unread_topics(request.user)
bgneal@232 741
bgneal@232 742 paginator = create_topic_paginator(topics)
bgneal@232 743 page_num = get_page_num(request)
bgneal@232 744 try:
bgneal@232 745 page = paginator.page(page_num)
bgneal@232 746 except InvalidPage:
bgneal@232 747 raise Http404
bgneal@232 748
bgneal@232 749 attach_topic_page_ranges(page.object_list)
bgneal@232 750
bgneal@232 751 # we do this for the template since it is rendered twice
bgneal@232 752 page_nav = render_to_string('forums/pagination.html', {'page': page})
bgneal@232 753
bgneal@232 754 return render_to_response('forums/topic_list.html', {
bgneal@232 755 'title': 'Topics With Unread Posts',
bgneal@232 756 'page': page,
bgneal@232 757 'page_nav': page_nav,
bgneal@232 758 },
bgneal@232 759 context_instance=RequestContext(request))
bgneal@232 760
bgneal@232 761
bgneal@232 762 def unanswered_topics(request):
bgneal@232 763 """Displays the topics with no replies."""
bgneal@232 764
bgneal@232 765 forum_ids = Forum.objects.forum_ids_for_user(request.user)
bgneal@232 766 topics = Topic.objects.filter(forum__id__in=forum_ids,
bgneal@232 767 post_count=1).select_related(
bgneal@232 768 'forum', 'user', 'last_post', 'last_post__user')
bgneal@232 769
bgneal@232 770 paginator = create_topic_paginator(topics)
bgneal@232 771 page_num = get_page_num(request)
bgneal@232 772 try:
bgneal@232 773 page = paginator.page(page_num)
bgneal@232 774 except InvalidPage:
bgneal@232 775 raise Http404
bgneal@232 776
bgneal@232 777 attach_topic_page_ranges(page.object_list)
bgneal@232 778
bgneal@232 779 # we do this for the template since it is rendered twice
bgneal@232 780 page_nav = render_to_string('forums/pagination.html', {'page': page})
bgneal@232 781
bgneal@232 782 return render_to_response('forums/topic_list.html', {
bgneal@232 783 'title': 'Unanswered Topics',
bgneal@232 784 'page': page,
bgneal@232 785 'page_nav': page_nav,
bgneal@232 786 },
bgneal@232 787 context_instance=RequestContext(request))
bgneal@232 788
bgneal@232 789
bgneal@232 790 @login_required
bgneal@232 791 def my_posts(request):
bgneal@232 792 """Displays a list of posts the requesting user made."""
bgneal@232 793 return _user_posts(request, request.user, request.user, 'My Posts')
bgneal@232 794
bgneal@232 795
bgneal@232 796 @login_required
bgneal@232 797 def posts_for_user(request, username):
bgneal@232 798 """Displays a list of posts by the given user.
bgneal@232 799 Only the forums that the requesting user can see are examined.
bgneal@232 800 """
bgneal@232 801 target_user = get_object_or_404(User, username=username)
bgneal@232 802 return _user_posts(request, target_user, request.user, 'Posts by %s' % username)
bgneal@232 803
bgneal@232 804
bgneal@232 805 @login_required
bgneal@232 806 def post_ip_info(request, post_id):
bgneal@232 807 """Displays information about the IP address the post was made from."""
bgneal@232 808 post = get_object_or_404(Post.objects.select_related(), pk=post_id)
bgneal@232 809
bgneal@232 810 if not _can_moderate(post.topic.forum, request.user):
bgneal@232 811 return HttpResponseForbidden("You don't have permission for this post.")
bgneal@232 812
bgneal@232 813 ip_users = sorted(set(Post.objects.filter(
bgneal@232 814 user_ip=post.user_ip).values_list('user__username', flat=True)))
bgneal@232 815
bgneal@232 816 return render_to_response('forums/post_ip.html', {
bgneal@232 817 'post': post,
bgneal@232 818 'ip_users': ip_users,
bgneal@232 819 },
bgneal@232 820 context_instance=RequestContext(request))
bgneal@232 821
bgneal@232 822
bgneal@232 823 def _user_posts(request, target_user, req_user, page_title):
bgneal@286 824 """Displays a list of posts made by the target user.
bgneal@232 825 req_user is the user trying to view the posts. Only the forums
bgneal@232 826 req_user can see are searched.
bgneal@232 827 """
bgneal@232 828 forum_ids = Forum.objects.forum_ids_for_user(req_user)
bgneal@232 829 posts = Post.objects.filter(user=target_user,
bgneal@232 830 topic__forum__id__in=forum_ids).order_by(
bgneal@232 831 '-creation_date').select_related()
bgneal@232 832
bgneal@232 833 paginator = create_post_paginator(posts)
bgneal@232 834 page_num = get_page_num(request)
bgneal@232 835 try:
bgneal@232 836 page = paginator.page(page_num)
bgneal@232 837 except InvalidPage:
bgneal@232 838 raise Http404
bgneal@232 839
bgneal@232 840 # we do this for the template since it is rendered twice
bgneal@232 841 page_nav = render_to_string('forums/pagination.html', {'page': page})
bgneal@232 842
bgneal@232 843 return render_to_response('forums/post_list.html', {
bgneal@232 844 'title': page_title,
bgneal@232 845 'page': page,
bgneal@232 846 'page_nav': page_nav,
bgneal@232 847 },
bgneal@232 848 context_instance=RequestContext(request))
bgneal@232 849
bgneal@232 850
bgneal@232 851 def _can_moderate(forum, user):
bgneal@232 852 """
bgneal@232 853 Determines if a user has permission to moderate a given forum.
bgneal@232 854 """
bgneal@232 855 return user.is_authenticated() and (
bgneal@232 856 user.is_superuser or user in forum.moderators.all())
bgneal@232 857
bgneal@232 858
bgneal@232 859 def _can_post_in_topic(topic, user):
bgneal@232 860 """
bgneal@232 861 This function returns true if the given user can post in the given topic
bgneal@232 862 and false otherwise.
bgneal@232 863 """
bgneal@232 864 return (not topic.locked and topic.forum.category.can_access(user)) or \
bgneal@232 865 (user.is_superuser or user in topic.forum.moderators.all())
bgneal@232 866
bgneal@232 867
bgneal@232 868 def _bump_post_count(user):
bgneal@232 869 """
bgneal@232 870 Increments the forum_post_count for the given user.
bgneal@232 871 """
bgneal@232 872 profile = user.get_profile()
bgneal@232 873 profile.forum_post_count += 1
bgneal@232 874 profile.save()
bgneal@232 875
bgneal@232 876
bgneal@232 877 def _quote_message(who, message):
bgneal@232 878 """
bgneal@232 879 Builds a message reply by quoting the existing message in a
bgneal@232 880 typical email-like fashion. The quoting is compatible with Markdown.
bgneal@232 881 """
bgneal@232 882 header = '*%s wrote:*\n\n' % (who, )
bgneal@232 883 lines = wrap(message, 55).split('\n')
bgneal@232 884 for i, line in enumerate(lines):
bgneal@232 885 lines[i] = '> ' + line
bgneal@232 886 return header + '\n'.join(lines)
bgneal@232 887
bgneal@232 888
bgneal@232 889 def _move_topic(topic, old_forum, new_forum):
bgneal@232 890 if new_forum != old_forum:
bgneal@232 891 topic.forum = new_forum
bgneal@232 892 topic.save()
bgneal@232 893 # Have to adjust foreign keys to last_post, denormalized counts, etc.:
bgneal@232 894 old_forum.sync()
bgneal@232 895 old_forum.save()
bgneal@232 896 new_forum.sync()
bgneal@232 897 new_forum.save()
bgneal@232 898
bgneal@232 899
bgneal@232 900 def _bulk_sticky(forum, topic_ids):
bgneal@232 901 """
bgneal@232 902 Performs a toggle on the sticky status for a given list of topic ids.
bgneal@232 903 """
bgneal@232 904 topics = Topic.objects.filter(pk__in=topic_ids)
bgneal@232 905 for topic in topics:
bgneal@232 906 if topic.forum == forum:
bgneal@232 907 topic.sticky = not topic.sticky
bgneal@232 908 topic.save()
bgneal@232 909
bgneal@232 910
bgneal@232 911 def _bulk_lock(forum, topic_ids):
bgneal@232 912 """
bgneal@232 913 Performs a toggle on the locked status for a given list of topic ids.
bgneal@232 914 """
bgneal@232 915 topics = Topic.objects.filter(pk__in=topic_ids)
bgneal@232 916 for topic in topics:
bgneal@232 917 if topic.forum == forum:
bgneal@232 918 topic.locked = not topic.locked
bgneal@232 919 topic.save()
bgneal@232 920
bgneal@232 921
bgneal@232 922 def _bulk_delete(forum, topic_ids):
bgneal@232 923 """
bgneal@232 924 Deletes the list of topics.
bgneal@232 925 """
bgneal@235 926 # Because we are deleting stuff, retrieve each topic one at a
bgneal@235 927 # time since we are going to be adjusting de-normalized fields
bgneal@235 928 # during deletes. In particular, we can't do this:
bgneal@235 929 # topics = Topic.objects.filter(pk__in=topic_ids).select_related()
bgneal@235 930 # for topic in topics:
bgneal@235 931 # since topic.forum.last_post can go stale after a delete.
bgneal@235 932
bgneal@235 933 for id in topic_ids:
bgneal@235 934 try:
bgneal@235 935 topic = Topic.objects.select_related().get(pk=id)
bgneal@235 936 except Topic.DoesNotExist:
bgneal@235 937 continue
bgneal@235 938 _delete_topic(topic)
bgneal@232 939
bgneal@232 940
bgneal@232 941 def _bulk_move(topic_ids, old_forum, new_forum):
bgneal@232 942 """
bgneal@232 943 Moves the list of topics to a new forum.
bgneal@232 944 """
bgneal@232 945 topics = Topic.objects.filter(pk__in=topic_ids).select_related()
bgneal@232 946 for topic in topics:
bgneal@232 947 if topic.forum == old_forum:
bgneal@232 948 _move_topic(topic, old_forum, new_forum)
bgneal@232 949
bgneal@232 950
bgneal@232 951 def _update_last_visit(user, topic):
bgneal@232 952 """
bgneal@232 953 Does the bookkeeping for the last visit status for the user to the
bgneal@232 954 topic/forum.
bgneal@232 955 """
bgneal@232 956 now = datetime.datetime.now()
bgneal@232 957 try:
bgneal@232 958 flv = ForumLastVisit.objects.get(user=user, forum=topic.forum)
bgneal@232 959 except ForumLastVisit.DoesNotExist:
bgneal@232 960 flv = ForumLastVisit(user=user, forum=topic.forum)
bgneal@232 961 flv.begin_date = now
bgneal@232 962
bgneal@232 963 flv.end_date = now
bgneal@232 964 flv.save()
bgneal@232 965
bgneal@232 966 if topic.update_date > flv.begin_date:
bgneal@232 967 try:
bgneal@232 968 tlv = TopicLastVisit.objects.get(user=user, topic=topic)
bgneal@232 969 except TopicLastVisit.DoesNotExist:
bgneal@232 970 tlv = TopicLastVisit(user=user, topic=topic)
bgneal@232 971
bgneal@232 972 tlv.touch()
bgneal@232 973 tlv.save()
bgneal@232 974
bgneal@232 975
bgneal@232 976 def _split_topic_at(topic, post_id, new_forum, new_name):
bgneal@232 977 """
bgneal@232 978 This function splits the post given by post_id and all posts that come
bgneal@232 979 after it in the given topic to a new topic in a new forum.
bgneal@232 980 It is assumed the caller has been checked for moderator rights.
bgneal@232 981 """
bgneal@232 982 post = get_object_or_404(Post, id=post_id)
bgneal@232 983 if post.topic == topic:
bgneal@232 984 post_ids = Post.objects.filter(topic=topic,
bgneal@232 985 creation_date__gte=post.creation_date).values_list('id', flat=True)
bgneal@232 986 _split_topic(topic, post_ids, new_forum, new_name)
bgneal@232 987
bgneal@232 988
bgneal@232 989 def _split_topic(topic, post_ids, new_forum, new_name):
bgneal@232 990 """
bgneal@232 991 This function splits the posts given by the post_ids list in the
bgneal@232 992 given topic to a new topic in a new forum.
bgneal@232 993 It is assumed the caller has been checked for moderator rights.
bgneal@232 994 """
bgneal@232 995 posts = Post.objects.filter(topic=topic, id__in=post_ids)
bgneal@232 996 if len(posts) > 0:
bgneal@232 997 new_topic = Topic(forum=new_forum, name=new_name, user=posts[0].user)
bgneal@232 998 new_topic.save()
bgneal@232 999 for post in posts:
bgneal@232 1000 post.topic = new_topic
bgneal@232 1001 post.save()
bgneal@286 1002
bgneal@232 1003 topic.post_count_update()
bgneal@232 1004 topic.save()
bgneal@232 1005 new_topic.post_count_update()
bgneal@232 1006 new_topic.save()
bgneal@232 1007 topic.forum.sync()
bgneal@232 1008 topic.forum.save()
bgneal@232 1009 new_forum.sync()
bgneal@232 1010 new_forum.save()