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annotate gpp/forums/views/main.py @ 295:26fc9ac9a0eb

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Fixing #133; add the ability to edit a topic's title when you edit the first post in that topic.
author Brian Neal <bgneal@gmail.com>
date Sat, 08 Jan 2011 22:04:54 +0000
parents c92fb89dbc7d
children 4f032a6e21f8
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@295 367 topic_name = None
bgneal@295 368 first_post = Post.objects.filter(topic=post.topic).order_by('creation_date')[0]
bgneal@295 369 if first_post.id == post.id:
bgneal@295 370 topic_name = post.topic.name
bgneal@295 371
bgneal@232 372 if request.method == "POST":
bgneal@295 373 form = PostForm(request.POST, instance=post, topic_name=topic_name)
bgneal@232 374 if form.is_valid():
bgneal@232 375 if antispam.utils.spam_check(request, form.cleaned_data['body']):
bgneal@232 376 return HttpResponseRedirect(reverse('antispam-suspended'))
bgneal@232 377 post = form.save(commit=False)
bgneal@232 378 post.touch()
bgneal@232 379 post.save()
bgneal@285 380
bgneal@295 381 # if we are editing a first post, save the parent topic as well
bgneal@295 382 if topic_name:
bgneal@295 383 post.topic.save()
bgneal@295 384
bgneal@285 385 # Save any attachments
bgneal@286 386 form.attach_proc.save_attachments(post)
bgneal@285 387
bgneal@232 388 return HttpResponseRedirect(post.get_absolute_url())
bgneal@232 389 else:
bgneal@295 390 form = PostForm(instance=post, topic_name=topic_name)
bgneal@232 391
bgneal@232 392 post.user_profile = request.user.get_profile()
bgneal@232 393
bgneal@232 394 return render_to_response('forums/edit_post.html', {
bgneal@232 395 'forum': post.topic.forum,
bgneal@232 396 'topic': post.topic,
bgneal@232 397 'post': post,
bgneal@232 398 'form': form,
bgneal@232 399 'can_moderate': can_moderate,
bgneal@232 400 },
bgneal@232 401 context_instance=RequestContext(request))
bgneal@232 402
bgneal@232 403
bgneal@232 404 @require_POST
bgneal@232 405 def delete_post(request):
bgneal@232 406 """
bgneal@232 407 This view function allows superusers and forum moderators to delete posts.
bgneal@232 408 This function is the target of AJAX calls from the client.
bgneal@232 409 """
bgneal@232 410 if not request.user.is_authenticated():
bgneal@232 411 return HttpResponseForbidden('Please login to delete a post.')
bgneal@232 412
bgneal@232 413 id = request.POST.get('id')
bgneal@232 414 if id is None:
bgneal@232 415 return HttpResponseBadRequest('No post id')
bgneal@232 416
bgneal@232 417 post = get_object_or_404(Post.objects.select_related(), pk=id)
bgneal@232 418
bgneal@232 419 can_delete = request.user.is_superuser or \
bgneal@232 420 request.user in post.topic.forum.moderators.all()
bgneal@232 421
bgneal@232 422 if not can_delete:
bgneal@232 423 return HttpResponseForbidden("You don't have permission to delete that post.")
bgneal@232 424
bgneal@232 425 delete_single_post(post)
bgneal@232 426 return HttpResponse("The post has been deleted.")
bgneal@232 427
bgneal@232 428
bgneal@232 429 def delete_single_post(post):
bgneal@232 430 """
bgneal@232 431 This function deletes a single post. It handles the case of where
bgneal@232 432 a post is the sole post in a topic by deleting the topic also. It
bgneal@232 433 adjusts any foreign keys in Topic or Forum objects that might be pointing
bgneal@232 434 to this post before deleting the post to avoid a cascading delete.
bgneal@232 435 """
bgneal@232 436 if post.topic.post_count == 1 and post == post.topic.last_post:
bgneal@232 437 _delete_topic(post.topic)
bgneal@232 438 else:
bgneal@232 439 _delete_post(post)
bgneal@232 440
bgneal@232 441
bgneal@232 442 def _delete_post(post):
bgneal@232 443 """
bgneal@232 444 Internal function to delete a single post object.
bgneal@232 445 Decrements the post author's post count.
bgneal@232 446 Adjusts the parent topic and forum's last_post as needed.
bgneal@232 447 """
bgneal@232 448 # Adjust post creator's post count
bgneal@232 449 profile = post.user.get_profile()
bgneal@232 450 if profile.forum_post_count > 0:
bgneal@232 451 profile.forum_post_count -= 1
bgneal@232 452 profile.save()
bgneal@232 453
bgneal@232 454 # If this post is the last_post in a topic, we need to update
bgneal@232 455 # both the topic and parent forum's last post fields. If we don't
bgneal@232 456 # the cascading delete will delete them also!
bgneal@232 457
bgneal@232 458 topic = post.topic
bgneal@232 459 if topic.last_post == post:
bgneal@232 460 topic.last_post_pre_delete()
bgneal@232 461 topic.save()
bgneal@232 462
bgneal@232 463 forum = topic.forum
bgneal@232 464 if forum.last_post == post:
bgneal@232 465 forum.last_post_pre_delete()
bgneal@232 466 forum.save()
bgneal@232 467
bgneal@285 468 # delete any attachments
bgneal@285 469 post.attachments.clear()
bgneal@285 470
bgneal@232 471 # Should be safe to delete the post now:
bgneal@232 472 post.delete()
bgneal@232 473
bgneal@232 474
bgneal@232 475 def _delete_topic(topic):
bgneal@232 476 """
bgneal@232 477 Internal function to delete an entire topic.
bgneal@232 478 Deletes the topic and all posts contained within.
bgneal@232 479 Adjusts the parent forum's last_post as needed.
bgneal@232 480 Note that we don't bother adjusting all the users'
bgneal@232 481 post counts as that doesn't seem to be worth the effort.
bgneal@232 482 """
bgneal@232 483 if topic.forum.last_post and topic.forum.last_post.topic == topic:
bgneal@293 484 topic.forum.last_post_pre_delete(deleting_topic=True)
bgneal@232 485 topic.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@232 496 # It should be safe to just delete the topic now. This will
bgneal@232 497 # automatically delete all posts in the topic.
bgneal@232 498 topic.delete()
bgneal@232 499
bgneal@232 500
bgneal@232 501 @login_required
bgneal@232 502 def new_post(request, topic_id):
bgneal@232 503 """
bgneal@232 504 This function is the view for creating a normal, non-quick reply
bgneal@232 505 to a topic.
bgneal@232 506 """
bgneal@232 507 topic = get_object_or_404(Topic.objects.select_related(), pk=topic_id)
bgneal@232 508 can_post = _can_post_in_topic(topic, request.user)
bgneal@232 509
bgneal@232 510 if can_post:
bgneal@232 511 if request.method == 'POST':
bgneal@232 512 form = PostForm(request.POST)
bgneal@232 513 if form.is_valid():
bgneal@232 514 if antispam.utils.spam_check(request, form.cleaned_data['body']):
bgneal@232 515 return HttpResponseRedirect(reverse('antispam-suspended'))
bgneal@232 516 post = form.save(commit=False)
bgneal@232 517 post.topic = topic
bgneal@232 518 post.user = request.user
bgneal@232 519 post.user_ip = request.META.get("REMOTE_ADDR", "")
bgneal@232 520 post.save()
bgneal@285 521
bgneal@285 522 # Save any attachments
bgneal@286 523 form.attach_proc.save_attachments(post)
bgneal@285 524
bgneal@232 525 _bump_post_count(request.user)
bgneal@232 526 _update_last_visit(request.user, topic)
bgneal@232 527 return HttpResponseRedirect(post.get_absolute_url())
bgneal@232 528 else:
bgneal@232 529 quote_id = request.GET.get('quote')
bgneal@232 530 if quote_id:
bgneal@232 531 quote_post = get_object_or_404(Post.objects.select_related(),
bgneal@232 532 pk=quote_id)
bgneal@232 533 form = PostForm(initial={'body': _quote_message(quote_post.user.username,
bgneal@232 534 quote_post.body)})
bgneal@232 535 else:
bgneal@232 536 form = PostForm()
bgneal@232 537 else:
bgneal@232 538 form = None
bgneal@232 539
bgneal@232 540 return render_to_response('forums/new_post.html', {
bgneal@232 541 'forum': topic.forum,
bgneal@232 542 'topic': topic,
bgneal@232 543 'form': form,
bgneal@232 544 'can_post': can_post,
bgneal@232 545 },
bgneal@232 546 context_instance=RequestContext(request))
bgneal@232 547
bgneal@232 548
bgneal@232 549 @login_required
bgneal@232 550 def mod_topic_stick(request, id):
bgneal@232 551 """
bgneal@232 552 This view function is for moderators to toggle the sticky status of a topic.
bgneal@232 553 """
bgneal@232 554 topic = get_object_or_404(Topic.objects.select_related(), pk=id)
bgneal@232 555 if _can_moderate(topic.forum, request.user):
bgneal@232 556 topic.sticky = not topic.sticky
bgneal@232 557 topic.save()
bgneal@232 558 return HttpResponseRedirect(topic.get_absolute_url())
bgneal@232 559
bgneal@232 560 return HttpResponseForbidden()
bgneal@232 561
bgneal@232 562
bgneal@232 563 @login_required
bgneal@232 564 def mod_topic_lock(request, id):
bgneal@232 565 """
bgneal@232 566 This view function is for moderators to toggle the locked status of a topic.
bgneal@232 567 """
bgneal@232 568 topic = get_object_or_404(Topic.objects.select_related(), pk=id)
bgneal@232 569 if _can_moderate(topic.forum, request.user):
bgneal@232 570 topic.locked = not topic.locked
bgneal@232 571 topic.save()
bgneal@232 572 return HttpResponseRedirect(topic.get_absolute_url())
bgneal@232 573
bgneal@232 574 return HttpResponseForbidden()
bgneal@232 575
bgneal@232 576
bgneal@232 577 @login_required
bgneal@232 578 def mod_topic_delete(request, id):
bgneal@232 579 """
bgneal@232 580 This view function is for moderators to delete an entire topic.
bgneal@232 581 """
bgneal@232 582 topic = get_object_or_404(Topic.objects.select_related(), pk=id)
bgneal@232 583 if _can_moderate(topic.forum, request.user):
bgneal@232 584 forum_url = topic.forum.get_absolute_url()
bgneal@232 585 _delete_topic(topic)
bgneal@232 586 return HttpResponseRedirect(forum_url)
bgneal@232 587
bgneal@232 588 return HttpResponseForbidden()
bgneal@232 589
bgneal@232 590
bgneal@232 591 @login_required
bgneal@232 592 def mod_topic_move(request, id):
bgneal@232 593 """
bgneal@232 594 This view function is for moderators to move a topic to a different forum.
bgneal@232 595 """
bgneal@232 596 topic = get_object_or_404(Topic.objects.select_related(), pk=id)
bgneal@232 597 if not _can_moderate(topic.forum, request.user):
bgneal@232 598 return HttpResponseForbidden()
bgneal@232 599
bgneal@232 600 if request.method == 'POST':
bgneal@232 601 form = MoveTopicForm(request.user, request.POST)
bgneal@232 602 if form.is_valid():
bgneal@232 603 new_forum = form.cleaned_data['forums']
bgneal@232 604 old_forum = topic.forum
bgneal@232 605 _move_topic(topic, old_forum, new_forum)
bgneal@232 606 return HttpResponseRedirect(topic.get_absolute_url())
bgneal@232 607 else:
bgneal@232 608 form = MoveTopicForm(request.user)
bgneal@232 609
bgneal@232 610 return render_to_response('forums/move_topic.html', {
bgneal@232 611 'forum': topic.forum,
bgneal@232 612 'topic': topic,
bgneal@232 613 'form': form,
bgneal@232 614 },
bgneal@232 615 context_instance=RequestContext(request))
bgneal@232 616
bgneal@232 617
bgneal@232 618 @login_required
bgneal@232 619 def mod_forum(request, slug):
bgneal@232 620 """
bgneal@232 621 Displays a view to allow moderators to perform various operations
bgneal@232 622 on topics in a forum in bulk. We currently support mass locking/unlocking,
bgneal@232 623 stickying and unstickying, moving, and deleting topics.
bgneal@232 624 """
bgneal@232 625 forum = get_object_or_404(Forum.objects.select_related(), slug=slug)
bgneal@232 626 if not _can_moderate(forum, request.user):
bgneal@232 627 return HttpResponseForbidden()
bgneal@232 628
bgneal@232 629 topics = forum.topics.select_related('user', 'last_post', 'last_post__user')
bgneal@232 630 paginator = create_topic_paginator(topics)
bgneal@232 631 page_num = get_page_num(request)
bgneal@232 632 try:
bgneal@232 633 page = paginator.page(page_num)
bgneal@232 634 except InvalidPage:
bgneal@232 635 raise Http404
bgneal@232 636
bgneal@232 637 # we do this for the template since it is rendered twice
bgneal@232 638 page_nav = render_to_string('forums/pagination.html', {'page': page})
bgneal@232 639 form = None
bgneal@232 640
bgneal@232 641 if request.method == 'POST':
bgneal@232 642 topic_ids = request.POST.getlist('topic_ids')
bgneal@232 643 url = reverse('forums-mod_forum', kwargs={'slug':forum.slug})
bgneal@232 644 url += '?page=%s' % page_num
bgneal@232 645
bgneal@232 646 if len(topic_ids):
bgneal@232 647 if request.POST.get('sticky'):
bgneal@232 648 _bulk_sticky(forum, topic_ids)
bgneal@232 649 return HttpResponseRedirect(url)
bgneal@232 650 elif request.POST.get('lock'):
bgneal@232 651 _bulk_lock(forum, topic_ids)
bgneal@232 652 return HttpResponseRedirect(url)
bgneal@232 653 elif request.POST.get('delete'):
bgneal@232 654 _bulk_delete(forum, topic_ids)
bgneal@232 655 return HttpResponseRedirect(url)
bgneal@232 656 elif request.POST.get('move'):
bgneal@232 657 form = MoveTopicForm(request.user, request.POST, hide_label=True)
bgneal@232 658 if form.is_valid():
bgneal@232 659 _bulk_move(topic_ids, forum, form.cleaned_data['forums'])
bgneal@232 660 return HttpResponseRedirect(url)
bgneal@286 661
bgneal@232 662 if form is None:
bgneal@232 663 form = MoveTopicForm(request.user, hide_label=True)
bgneal@232 664
bgneal@232 665 return render_to_response('forums/mod_forum.html', {
bgneal@232 666 'forum': forum,
bgneal@232 667 'page': page,
bgneal@232 668 'page_nav': page_nav,
bgneal@232 669 'form': form,
bgneal@232 670 },
bgneal@232 671 context_instance=RequestContext(request))
bgneal@232 672
bgneal@232 673
bgneal@232 674 @login_required
bgneal@232 675 @require_POST
bgneal@232 676 def forum_catchup(request, slug):
bgneal@232 677 """
bgneal@232 678 This view marks all the topics in the forum as being read.
bgneal@232 679 """
bgneal@232 680 forum = get_object_or_404(Forum.objects.select_related(), slug=slug)
bgneal@232 681
bgneal@232 682 if not forum.category.can_access(request.user):
bgneal@232 683 return HttpResponseForbidden()
bgneal@232 684
bgneal@232 685 forum.catchup(request.user)
bgneal@232 686 return HttpResponseRedirect(forum.get_absolute_url())
bgneal@232 687
bgneal@232 688
bgneal@232 689 @login_required
bgneal@232 690 def mod_topic_split(request, id):
bgneal@232 691 """
bgneal@232 692 This view function allows moderators to split posts off to a new topic.
bgneal@232 693 """
bgneal@232 694 topic = get_object_or_404(Topic.objects.select_related(), pk=id)
bgneal@232 695 if not _can_moderate(topic.forum, request.user):
bgneal@232 696 return HttpResponseRedirect(topic.get_absolute_url())
bgneal@232 697
bgneal@232 698 if request.method == "POST":
bgneal@232 699 form = SplitTopicForm(request.user, request.POST)
bgneal@232 700 if form.is_valid():
bgneal@232 701 if form.split_at:
bgneal@232 702 _split_topic_at(topic, form.post_ids[0],
bgneal@232 703 form.cleaned_data['forums'],
bgneal@232 704 form.cleaned_data['name'])
bgneal@232 705 else:
bgneal@232 706 _split_topic(topic, form.post_ids,
bgneal@232 707 form.cleaned_data['forums'],
bgneal@232 708 form.cleaned_data['name'])
bgneal@232 709
bgneal@232 710 return HttpResponseRedirect(topic.get_absolute_url())
bgneal@232 711 else:
bgneal@232 712 form = SplitTopicForm(request.user)
bgneal@232 713
bgneal@232 714 posts = topic.posts.select_related()
bgneal@232 715
bgneal@232 716 return render_to_response('forums/mod_split_topic.html', {
bgneal@232 717 'forum': topic.forum,
bgneal@232 718 'topic': topic,
bgneal@232 719 'posts': posts,
bgneal@232 720 'form': form,
bgneal@232 721 },
bgneal@232 722 context_instance=RequestContext(request))
bgneal@232 723
bgneal@232 724
bgneal@232 725 @login_required
bgneal@232 726 def unread_topics(request):
bgneal@232 727 """Displays the topics with unread posts for a given user."""
bgneal@232 728
bgneal@232 729 topics = get_unread_topics(request.user)
bgneal@232 730
bgneal@232 731 paginator = create_topic_paginator(topics)
bgneal@232 732 page_num = get_page_num(request)
bgneal@232 733 try:
bgneal@232 734 page = paginator.page(page_num)
bgneal@232 735 except InvalidPage:
bgneal@232 736 raise Http404
bgneal@232 737
bgneal@232 738 attach_topic_page_ranges(page.object_list)
bgneal@232 739
bgneal@232 740 # we do this for the template since it is rendered twice
bgneal@232 741 page_nav = render_to_string('forums/pagination.html', {'page': page})
bgneal@232 742
bgneal@232 743 return render_to_response('forums/topic_list.html', {
bgneal@232 744 'title': 'Topics With Unread Posts',
bgneal@232 745 'page': page,
bgneal@232 746 'page_nav': page_nav,
bgneal@232 747 },
bgneal@232 748 context_instance=RequestContext(request))
bgneal@232 749
bgneal@232 750
bgneal@232 751 def unanswered_topics(request):
bgneal@232 752 """Displays the topics with no replies."""
bgneal@232 753
bgneal@232 754 forum_ids = Forum.objects.forum_ids_for_user(request.user)
bgneal@232 755 topics = Topic.objects.filter(forum__id__in=forum_ids,
bgneal@232 756 post_count=1).select_related(
bgneal@232 757 'forum', 'user', 'last_post', 'last_post__user')
bgneal@232 758
bgneal@232 759 paginator = create_topic_paginator(topics)
bgneal@232 760 page_num = get_page_num(request)
bgneal@232 761 try:
bgneal@232 762 page = paginator.page(page_num)
bgneal@232 763 except InvalidPage:
bgneal@232 764 raise Http404
bgneal@232 765
bgneal@232 766 attach_topic_page_ranges(page.object_list)
bgneal@232 767
bgneal@232 768 # we do this for the template since it is rendered twice
bgneal@232 769 page_nav = render_to_string('forums/pagination.html', {'page': page})
bgneal@232 770
bgneal@232 771 return render_to_response('forums/topic_list.html', {
bgneal@232 772 'title': 'Unanswered Topics',
bgneal@232 773 'page': page,
bgneal@232 774 'page_nav': page_nav,
bgneal@232 775 },
bgneal@232 776 context_instance=RequestContext(request))
bgneal@232 777
bgneal@232 778
bgneal@232 779 @login_required
bgneal@232 780 def my_posts(request):
bgneal@232 781 """Displays a list of posts the requesting user made."""
bgneal@232 782 return _user_posts(request, request.user, request.user, 'My Posts')
bgneal@232 783
bgneal@232 784
bgneal@232 785 @login_required
bgneal@232 786 def posts_for_user(request, username):
bgneal@232 787 """Displays a list of posts by the given user.
bgneal@232 788 Only the forums that the requesting user can see are examined.
bgneal@232 789 """
bgneal@232 790 target_user = get_object_or_404(User, username=username)
bgneal@232 791 return _user_posts(request, target_user, request.user, 'Posts by %s' % username)
bgneal@232 792
bgneal@232 793
bgneal@232 794 @login_required
bgneal@232 795 def post_ip_info(request, post_id):
bgneal@232 796 """Displays information about the IP address the post was made from."""
bgneal@232 797 post = get_object_or_404(Post.objects.select_related(), pk=post_id)
bgneal@232 798
bgneal@232 799 if not _can_moderate(post.topic.forum, request.user):
bgneal@232 800 return HttpResponseForbidden("You don't have permission for this post.")
bgneal@232 801
bgneal@232 802 ip_users = sorted(set(Post.objects.filter(
bgneal@232 803 user_ip=post.user_ip).values_list('user__username', flat=True)))
bgneal@232 804
bgneal@232 805 return render_to_response('forums/post_ip.html', {
bgneal@232 806 'post': post,
bgneal@232 807 'ip_users': ip_users,
bgneal@232 808 },
bgneal@232 809 context_instance=RequestContext(request))
bgneal@232 810
bgneal@232 811
bgneal@232 812 def _user_posts(request, target_user, req_user, page_title):
bgneal@286 813 """Displays a list of posts made by the target user.
bgneal@232 814 req_user is the user trying to view the posts. Only the forums
bgneal@232 815 req_user can see are searched.
bgneal@232 816 """
bgneal@232 817 forum_ids = Forum.objects.forum_ids_for_user(req_user)
bgneal@232 818 posts = Post.objects.filter(user=target_user,
bgneal@232 819 topic__forum__id__in=forum_ids).order_by(
bgneal@232 820 '-creation_date').select_related()
bgneal@232 821
bgneal@232 822 paginator = create_post_paginator(posts)
bgneal@232 823 page_num = get_page_num(request)
bgneal@232 824 try:
bgneal@232 825 page = paginator.page(page_num)
bgneal@232 826 except InvalidPage:
bgneal@232 827 raise Http404
bgneal@232 828
bgneal@232 829 # we do this for the template since it is rendered twice
bgneal@232 830 page_nav = render_to_string('forums/pagination.html', {'page': page})
bgneal@232 831
bgneal@232 832 return render_to_response('forums/post_list.html', {
bgneal@232 833 'title': page_title,
bgneal@232 834 'page': page,
bgneal@232 835 'page_nav': page_nav,
bgneal@232 836 },
bgneal@232 837 context_instance=RequestContext(request))
bgneal@232 838
bgneal@232 839
bgneal@232 840 def _can_moderate(forum, user):
bgneal@232 841 """
bgneal@232 842 Determines if a user has permission to moderate a given forum.
bgneal@232 843 """
bgneal@232 844 return user.is_authenticated() and (
bgneal@232 845 user.is_superuser or user in forum.moderators.all())
bgneal@232 846
bgneal@232 847
bgneal@232 848 def _can_post_in_topic(topic, user):
bgneal@232 849 """
bgneal@232 850 This function returns true if the given user can post in the given topic
bgneal@232 851 and false otherwise.
bgneal@232 852 """
bgneal@232 853 return (not topic.locked and topic.forum.category.can_access(user)) or \
bgneal@232 854 (user.is_superuser or user in topic.forum.moderators.all())
bgneal@232 855
bgneal@232 856
bgneal@232 857 def _bump_post_count(user):
bgneal@232 858 """
bgneal@232 859 Increments the forum_post_count for the given user.
bgneal@232 860 """
bgneal@232 861 profile = user.get_profile()
bgneal@232 862 profile.forum_post_count += 1
bgneal@232 863 profile.save()
bgneal@232 864
bgneal@232 865
bgneal@232 866 def _quote_message(who, message):
bgneal@232 867 """
bgneal@232 868 Builds a message reply by quoting the existing message in a
bgneal@232 869 typical email-like fashion. The quoting is compatible with Markdown.
bgneal@232 870 """
bgneal@232 871 header = '*%s wrote:*\n\n' % (who, )
bgneal@232 872 lines = wrap(message, 55).split('\n')
bgneal@232 873 for i, line in enumerate(lines):
bgneal@232 874 lines[i] = '> ' + line
bgneal@232 875 return header + '\n'.join(lines)
bgneal@232 876
bgneal@232 877
bgneal@232 878 def _move_topic(topic, old_forum, new_forum):
bgneal@232 879 if new_forum != old_forum:
bgneal@232 880 topic.forum = new_forum
bgneal@232 881 topic.save()
bgneal@232 882 # Have to adjust foreign keys to last_post, denormalized counts, etc.:
bgneal@232 883 old_forum.sync()
bgneal@232 884 old_forum.save()
bgneal@232 885 new_forum.sync()
bgneal@232 886 new_forum.save()
bgneal@232 887
bgneal@232 888
bgneal@232 889 def _bulk_sticky(forum, topic_ids):
bgneal@232 890 """
bgneal@232 891 Performs a toggle on the sticky status for a given list of topic ids.
bgneal@232 892 """
bgneal@232 893 topics = Topic.objects.filter(pk__in=topic_ids)
bgneal@232 894 for topic in topics:
bgneal@232 895 if topic.forum == forum:
bgneal@232 896 topic.sticky = not topic.sticky
bgneal@232 897 topic.save()
bgneal@232 898
bgneal@232 899
bgneal@232 900 def _bulk_lock(forum, topic_ids):
bgneal@232 901 """
bgneal@232 902 Performs a toggle on the locked 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.locked = not topic.locked
bgneal@232 908 topic.save()
bgneal@232 909
bgneal@232 910
bgneal@232 911 def _bulk_delete(forum, topic_ids):
bgneal@232 912 """
bgneal@232 913 Deletes the list of topics.
bgneal@232 914 """
bgneal@235 915 # Because we are deleting stuff, retrieve each topic one at a
bgneal@235 916 # time since we are going to be adjusting de-normalized fields
bgneal@235 917 # during deletes. In particular, we can't do this:
bgneal@235 918 # topics = Topic.objects.filter(pk__in=topic_ids).select_related()
bgneal@235 919 # for topic in topics:
bgneal@235 920 # since topic.forum.last_post can go stale after a delete.
bgneal@235 921
bgneal@235 922 for id in topic_ids:
bgneal@235 923 try:
bgneal@235 924 topic = Topic.objects.select_related().get(pk=id)
bgneal@235 925 except Topic.DoesNotExist:
bgneal@235 926 continue
bgneal@235 927 _delete_topic(topic)
bgneal@232 928
bgneal@232 929
bgneal@232 930 def _bulk_move(topic_ids, old_forum, new_forum):
bgneal@232 931 """
bgneal@232 932 Moves the list of topics to a new forum.
bgneal@232 933 """
bgneal@232 934 topics = Topic.objects.filter(pk__in=topic_ids).select_related()
bgneal@232 935 for topic in topics:
bgneal@232 936 if topic.forum == old_forum:
bgneal@232 937 _move_topic(topic, old_forum, new_forum)
bgneal@232 938
bgneal@232 939
bgneal@232 940 def _update_last_visit(user, topic):
bgneal@232 941 """
bgneal@232 942 Does the bookkeeping for the last visit status for the user to the
bgneal@232 943 topic/forum.
bgneal@232 944 """
bgneal@232 945 now = datetime.datetime.now()
bgneal@232 946 try:
bgneal@232 947 flv = ForumLastVisit.objects.get(user=user, forum=topic.forum)
bgneal@232 948 except ForumLastVisit.DoesNotExist:
bgneal@232 949 flv = ForumLastVisit(user=user, forum=topic.forum)
bgneal@232 950 flv.begin_date = now
bgneal@232 951
bgneal@232 952 flv.end_date = now
bgneal@232 953 flv.save()
bgneal@232 954
bgneal@232 955 if topic.update_date > flv.begin_date:
bgneal@232 956 try:
bgneal@232 957 tlv = TopicLastVisit.objects.get(user=user, topic=topic)
bgneal@232 958 except TopicLastVisit.DoesNotExist:
bgneal@232 959 tlv = TopicLastVisit(user=user, topic=topic)
bgneal@232 960
bgneal@232 961 tlv.touch()
bgneal@232 962 tlv.save()
bgneal@232 963
bgneal@232 964
bgneal@232 965 def _split_topic_at(topic, post_id, new_forum, new_name):
bgneal@232 966 """
bgneal@232 967 This function splits the post given by post_id and all posts that come
bgneal@232 968 after it in the given topic to a new topic in a new forum.
bgneal@232 969 It is assumed the caller has been checked for moderator rights.
bgneal@232 970 """
bgneal@232 971 post = get_object_or_404(Post, id=post_id)
bgneal@232 972 if post.topic == topic:
bgneal@232 973 post_ids = Post.objects.filter(topic=topic,
bgneal@232 974 creation_date__gte=post.creation_date).values_list('id', flat=True)
bgneal@232 975 _split_topic(topic, post_ids, new_forum, new_name)
bgneal@232 976
bgneal@232 977
bgneal@232 978 def _split_topic(topic, post_ids, new_forum, new_name):
bgneal@232 979 """
bgneal@232 980 This function splits the posts given by the post_ids list in the
bgneal@232 981 given topic to a new topic in a new forum.
bgneal@232 982 It is assumed the caller has been checked for moderator rights.
bgneal@232 983 """
bgneal@232 984 posts = Post.objects.filter(topic=topic, id__in=post_ids)
bgneal@232 985 if len(posts) > 0:
bgneal@232 986 new_topic = Topic(forum=new_forum, name=new_name, user=posts[0].user)
bgneal@232 987 new_topic.save()
bgneal@232 988 for post in posts:
bgneal@232 989 post.topic = new_topic
bgneal@232 990 post.save()
bgneal@286 991
bgneal@232 992 topic.post_count_update()
bgneal@232 993 topic.save()
bgneal@232 994 new_topic.post_count_update()
bgneal@232 995 new_topic.save()
bgneal@232 996 topic.forum.sync()
bgneal@232 997 topic.forum.save()
bgneal@232 998 new_forum.sync()
bgneal@232 999 new_forum.save()