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annotate gpp/forums/views.py @ 189:db202792d9f5

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Explicitly set session settings. Use the cache_db engine. Some minor tweaks to reduce some queries in forums.
author Brian Neal <bgneal@gmail.com>
date Thu, 01 Apr 2010 01:39:37 +0000
parents 500e5875a306
children 8c1832b9d815
rev   line source
bgneal@81 1 """
bgneal@81 2 Views for the forums application.
bgneal@81 3 """
bgneal@113 4 import datetime
bgneal@113 5
bgneal@83 6 from django.contrib.auth.decorators import login_required
bgneal@172 7 from django.contrib.auth.models import User
bgneal@82 8 from django.http import Http404
bgneal@98 9 from django.http import HttpResponse
bgneal@89 10 from django.http import HttpResponseBadRequest
bgneal@90 11 from django.http import HttpResponseForbidden
bgneal@83 12 from django.http import HttpResponseRedirect
bgneal@83 13 from django.core.urlresolvers import reverse
bgneal@91 14 from django.core.paginator import InvalidPage
bgneal@82 15 from django.shortcuts import get_object_or_404
bgneal@81 16 from django.shortcuts import render_to_response
bgneal@169 17 from django.shortcuts import redirect
bgneal@97 18 from django.template.loader import render_to_string
bgneal@81 19 from django.template import RequestContext
bgneal@89 20 from django.views.decorators.http import require_POST
bgneal@108 21 from django.utils.text import wrap
bgneal@189 22 from django.db.models import F
bgneal@81 23
bgneal@90 24 from core.paginator import DiggPaginator
bgneal@98 25 from core.functions import email_admins
bgneal@113 26 from forums.models import Forum, Topic, Post, FlaggedPost, TopicLastVisit, \
bgneal@113 27 ForumLastVisit
bgneal@115 28 from forums.forms import NewTopicForm, NewPostForm, PostForm, MoveTopicForm, \
bgneal@115 29 SplitTopicForm
bgneal@114 30 from forums.unread import get_forum_unread_status, get_topic_unread_status, \
bgneal@167 31 get_post_unread_status, get_unread_topics
bgneal@81 32
bgneal@117 33 from bio.models import UserProfile
bgneal@90 34 #######################################################################
bgneal@90 35
bgneal@93 36 TOPICS_PER_PAGE = 50
bgneal@113 37 POSTS_PER_PAGE = 20
bgneal@90 38
bgneal@167 39
bgneal@167 40 def get_page_num(request):
bgneal@167 41 """Returns the value of the 'page' variable in GET if it exists, or 1
bgneal@167 42 if it does not."""
bgneal@167 43
bgneal@167 44 try:
bgneal@167 45 page_num = int(request.GET.get('page', 1))
bgneal@167 46 except ValueError:
bgneal@167 47 page_num = 1
bgneal@167 48
bgneal@167 49 return page_num
bgneal@167 50
bgneal@167 51
bgneal@93 52 def create_topic_paginator(topics):
bgneal@93 53 return DiggPaginator(topics, TOPICS_PER_PAGE, body=5, tail=2, margin=3, padding=2)
bgneal@93 54
bgneal@93 55 def create_post_paginator(posts):
bgneal@93 56 return DiggPaginator(posts, POSTS_PER_PAGE, body=5, tail=2, margin=3, padding=2)
bgneal@90 57
bgneal@167 58
bgneal@167 59 def attach_topic_page_ranges(topics):
bgneal@167 60 """Attaches a page_range attribute to each topic in the supplied list.
bgneal@167 61 This attribute will be None if it is a single page topic. This is used
bgneal@167 62 by the templates to generate "goto page x" links.
bgneal@167 63 """
bgneal@167 64 for topic in topics:
bgneal@167 65 if topic.post_count > POSTS_PER_PAGE:
bgneal@167 66 pp = DiggPaginator(range(topic.post_count), POSTS_PER_PAGE,
bgneal@167 67 body=2, tail=3, margin=1)
bgneal@167 68 topic.page_range = pp.page(1).page_range
bgneal@167 69 else:
bgneal@167 70 topic.page_range = None
bgneal@167 71
bgneal@90 72 #######################################################################
bgneal@81 73
bgneal@81 74 def index(request):
bgneal@82 75 """
bgneal@82 76 This view displays all the forums available, ordered in each category.
bgneal@82 77 """
bgneal@167 78 # check for special forum queries
bgneal@167 79 query = request.GET.get("query")
bgneal@167 80 if query == "unread":
bgneal@169 81 return redirect('forums-unread_topics')
bgneal@168 82 elif query == "unanswered":
bgneal@169 83 return redirect('forums-unanswered_topics')
bgneal@169 84 elif query == "mine":
bgneal@169 85 return redirect('forums-my_posts')
bgneal@167 86
bgneal@170 87 public_forums = Forum.objects.public_forums()
bgneal@170 88 feeds = [{'name': 'All Forums', 'feed': '/feeds/forums/'}]
bgneal@170 89
bgneal@100 90 forums = Forum.objects.forums_for_user(request.user)
bgneal@113 91 get_forum_unread_status(forums, request.user)
bgneal@81 92 cats = {}
bgneal@81 93 for forum in forums:
bgneal@170 94 forum.has_feed = forum in public_forums
bgneal@170 95 if forum.has_feed:
bgneal@170 96 feeds.append({
bgneal@170 97 'name': '%s Forum' % forum.name,
bgneal@170 98 'feed': '/feeds/forums/%s/' % forum.slug,
bgneal@170 99 })
bgneal@170 100
bgneal@81 101 cat = cats.setdefault(forum.category.id, {
bgneal@81 102 'cat': forum.category,
bgneal@81 103 'forums': [],
bgneal@81 104 })
bgneal@81 105 cat['forums'].append(forum)
bgneal@81 106
bgneal@81 107 cmpdef = lambda a, b: cmp(a['cat'].position, b['cat'].position)
bgneal@81 108 cats = sorted(cats.values(), cmpdef)
bgneal@81 109
bgneal@81 110 return render_to_response('forums/index.html', {
bgneal@81 111 'cats': cats,
bgneal@170 112 'feeds': feeds,
bgneal@81 113 },
bgneal@81 114 context_instance=RequestContext(request))
bgneal@81 115
bgneal@82 116
bgneal@81 117 def forum_index(request, slug):
bgneal@82 118 """
bgneal@82 119 Displays all the topics in a forum.
bgneal@82 120 """
bgneal@101 121 forum = get_object_or_404(Forum.objects.select_related(), slug=slug)
bgneal@100 122
bgneal@100 123 if not forum.category.can_access(request.user):
bgneal@100 124 return HttpResponseForbidden()
bgneal@100 125
bgneal@107 126 topics = forum.topics.select_related('user', 'last_post', 'last_post__user')
bgneal@114 127 get_topic_unread_status(forum, topics, request.user)
bgneal@114 128
bgneal@93 129 paginator = create_topic_paginator(topics)
bgneal@167 130 page_num = get_page_num(request)
bgneal@93 131 try:
bgneal@93 132 page = paginator.page(page_num)
bgneal@93 133 except InvalidPage:
bgneal@93 134 raise Http404
bgneal@97 135
bgneal@167 136 attach_topic_page_ranges(page.object_list)
bgneal@161 137
bgneal@97 138 # we do this for the template since it is rendered twice
bgneal@97 139 page_nav = render_to_string('forums/pagination.html', {'page': page})
bgneal@111 140
bgneal@111 141 can_moderate = _can_moderate(forum, request.user)
bgneal@82 142
bgneal@82 143 return render_to_response('forums/forum_index.html', {
bgneal@82 144 'forum': forum,
bgneal@93 145 'page': page,
bgneal@97 146 'page_nav': page_nav,
bgneal@111 147 'can_moderate': can_moderate,
bgneal@82 148 },
bgneal@82 149 context_instance=RequestContext(request))
bgneal@82 150
bgneal@82 151
bgneal@82 152 def topic_index(request, id):
bgneal@82 153 """
bgneal@82 154 Displays all the posts in a topic.
bgneal@82 155 """
bgneal@189 156 topic = get_object_or_404(Topic.objects.select_related(
bgneal@189 157 'forum', 'forum__category', 'last_post'), pk=id)
bgneal@100 158
bgneal@100 159 if not topic.forum.category.can_access(request.user):
bgneal@100 160 return HttpResponseForbidden()
bgneal@100 161
bgneal@189 162 topic.view_count = F('view_count') + 1
bgneal@189 163 topic.save(force_update=True)
bgneal@86 164
bgneal@86 165 posts = topic.posts.select_related()
bgneal@114 166
bgneal@93 167 paginator = create_post_paginator(posts)
bgneal@167 168 page_num = get_page_num(request)
bgneal@90 169 try:
bgneal@90 170 page = paginator.page(page_num)
bgneal@90 171 except InvalidPage:
bgneal@90 172 raise Http404
bgneal@117 173 get_post_unread_status(topic, page.object_list, request.user)
bgneal@117 174
bgneal@117 175 # Attach user profiles to each post to avoid using get_user_profile() in
bgneal@117 176 # the template.
bgneal@117 177 users = set(post.user.id for post in page.object_list)
bgneal@117 178
bgneal@117 179 profiles = UserProfile.objects.filter(user__id__in=users).select_related()
bgneal@117 180 user_profiles = dict((profile.user.id, profile) for profile in profiles)
bgneal@117 181
bgneal@117 182 for post in page.object_list:
bgneal@117 183 post.user_profile = user_profiles[post.user.id]
bgneal@90 184
bgneal@90 185 last_page = page_num == paginator.num_pages
bgneal@86 186
bgneal@113 187 if request.user.is_authenticated() and last_page:
bgneal@113 188 _update_last_visit(request.user, topic)
bgneal@113 189
bgneal@97 190 # we do this for the template since it is rendered twice
bgneal@97 191 page_nav = render_to_string('forums/pagination.html', {'page': page})
bgneal@97 192
bgneal@109 193 can_moderate = _can_moderate(topic.forum, request.user)
bgneal@104 194
bgneal@104 195 can_reply = request.user.is_authenticated() and (
bgneal@104 196 not topic.locked or can_moderate)
bgneal@104 197
bgneal@181 198 is_subscribed = request.user.is_authenticated() and (
bgneal@181 199 topic in request.user.subscriptions.all())
bgneal@181 200
bgneal@86 201 return render_to_response('forums/topic.html', {
bgneal@86 202 'forum': topic.forum,
bgneal@86 203 'topic': topic,
bgneal@90 204 'page': page,
bgneal@97 205 'page_nav': page_nav,
bgneal@87 206 'last_page': last_page,
bgneal@104 207 'can_moderate': can_moderate,
bgneal@104 208 'can_reply': can_reply,
bgneal@106 209 'form': NewPostForm(initial={'topic_id': topic.id}),
bgneal@181 210 'is_subscribed': is_subscribed,
bgneal@86 211 },
bgneal@86 212 context_instance=RequestContext(request))
bgneal@83 213
bgneal@83 214
bgneal@83 215 @login_required
bgneal@83 216 def new_topic(request, slug):
bgneal@83 217 """
bgneal@83 218 This view handles the creation of new topics.
bgneal@83 219 """
bgneal@101 220 forum = get_object_or_404(Forum.objects.select_related(), slug=slug)
bgneal@100 221
bgneal@100 222 if not forum.category.can_access(request.user):
bgneal@100 223 return HttpResponseForbidden()
bgneal@100 224
bgneal@83 225 if request.method == 'POST':
bgneal@102 226 form = NewTopicForm(request.user, forum, request.POST)
bgneal@83 227 if form.is_valid():
bgneal@102 228 topic = form.save(request.META.get("REMOTE_ADDR"))
bgneal@108 229 _bump_post_count(request.user)
bgneal@83 230 return HttpResponseRedirect(reverse('forums-new_topic_thanks',
bgneal@83 231 kwargs={'tid': topic.pk}))
bgneal@83 232 else:
bgneal@102 233 form = NewTopicForm(request.user, forum)
bgneal@83 234
bgneal@83 235 return render_to_response('forums/new_topic.html', {
bgneal@83 236 'forum': forum,
bgneal@83 237 'form': form,
bgneal@83 238 },
bgneal@83 239 context_instance=RequestContext(request))
bgneal@83 240
bgneal@83 241
bgneal@83 242 @login_required
bgneal@83 243 def new_topic_thanks(request, tid):
bgneal@83 244 """
bgneal@83 245 This view displays the success page for a newly created topic.
bgneal@83 246 """
bgneal@101 247 topic = get_object_or_404(Topic.objects.select_related(), pk=tid)
bgneal@83 248 return render_to_response('forums/new_topic_thanks.html', {
bgneal@83 249 'forum': topic.forum,
bgneal@83 250 'topic': topic,
bgneal@83 251 },
bgneal@83 252 context_instance=RequestContext(request))
bgneal@89 253
bgneal@89 254
bgneal@89 255 @require_POST
bgneal@89 256 def quick_reply_ajax(request):
bgneal@89 257 """
bgneal@89 258 This function handles the quick reply to a thread function. This
bgneal@89 259 function is meant to be the target of an AJAX post, and returns
bgneal@89 260 the HTML for the new post, which the client-side script appends
bgneal@89 261 to the document.
bgneal@89 262 """
bgneal@90 263 if not request.user.is_authenticated():
bgneal@108 264 return HttpResponseForbidden('Please login or register to post.')
bgneal@90 265
bgneal@106 266 form = NewPostForm(request.POST)
bgneal@89 267 if form.is_valid():
bgneal@108 268 if not _can_post_in_topic(form.topic, request.user):
bgneal@108 269 return HttpResponseForbidden("You don't have permission to post in this topic.")
bgneal@100 270
bgneal@108 271 post = form.save(request.user, request.META.get("REMOTE_ADDR", ""))
bgneal@114 272 post.unread = True
bgneal@122 273 post.user_profile = request.user.get_profile()
bgneal@108 274 _bump_post_count(request.user)
bgneal@113 275 _update_last_visit(request.user, form.topic)
bgneal@89 276 return render_to_response('forums/display_post.html', {
bgneal@89 277 'post': post,
bgneal@113 278 'can_moderate': _can_moderate(form.topic.forum, request.user),
bgneal@120 279 'can_reply': True,
bgneal@89 280 },
bgneal@89 281 context_instance=RequestContext(request))
bgneal@89 282
bgneal@108 283 return HttpResponseBadRequest("Invalid post.");
bgneal@89 284
bgneal@91 285
bgneal@91 286 def goto_post(request, post_id):
bgneal@91 287 """
bgneal@91 288 This function calculates what page a given post is on, then redirects
bgneal@91 289 to that URL. This function is the target of get_absolute_url() for
bgneal@91 290 Post objects.
bgneal@91 291 """
bgneal@101 292 post = get_object_or_404(Post.objects.select_related(), pk=post_id)
bgneal@91 293 count = post.topic.posts.filter(creation_date__lt=post.creation_date).count()
bgneal@91 294 page = count / POSTS_PER_PAGE + 1
bgneal@91 295 url = reverse('forums-topic_index', kwargs={'id': post.topic.id}) + \
bgneal@91 296 '?page=%s#p%s' % (page, post.id)
bgneal@91 297 return HttpResponseRedirect(url)
bgneal@91 298
bgneal@98 299
bgneal@98 300 @require_POST
bgneal@98 301 def flag_post(request):
bgneal@98 302 """
bgneal@98 303 This function handles the flagging of posts by users. This function should
bgneal@98 304 be the target of an AJAX post.
bgneal@98 305 """
bgneal@98 306 if not request.user.is_authenticated():
bgneal@99 307 return HttpResponseForbidden('Please login or register to flag a post.')
bgneal@98 308
bgneal@98 309 id = request.POST.get('id')
bgneal@98 310 if id is None:
bgneal@98 311 return HttpResponseBadRequest('No post id')
bgneal@98 312
bgneal@98 313 try:
bgneal@98 314 post = Post.objects.get(pk=id)
bgneal@98 315 except Post.DoesNotExist:
bgneal@98 316 return HttpResponseBadRequest('No post with id %s' % id)
bgneal@98 317
bgneal@98 318 flag = FlaggedPost(user=request.user, post=post)
bgneal@98 319 flag.save()
bgneal@98 320 email_admins('A Post Has Been Flagged', """Hello,
bgneal@98 321
bgneal@98 322 A user has flagged a forum post for review.
bgneal@98 323 """)
bgneal@98 324 return HttpResponse('The post was flagged. A moderator will review the post shortly. ' \
bgneal@98 325 'Thanks for helping to improve the discussions on this site.')
bgneal@106 326
bgneal@106 327
bgneal@106 328 @login_required
bgneal@106 329 def edit_post(request, id):
bgneal@106 330 """
bgneal@106 331 This view function allows authorized users to edit posts.
bgneal@106 332 The superuser, forum moderators, and original author can edit posts.
bgneal@106 333 """
bgneal@106 334 post = get_object_or_404(Post.objects.select_related(), pk=id)
bgneal@108 335
bgneal@109 336 can_moderate = _can_moderate(post.topic.forum, request.user)
bgneal@108 337 can_edit = can_moderate or request.user == post.user
bgneal@106 338
bgneal@106 339 if not can_edit:
bgneal@106 340 return HttpResponseForbidden("You don't have permission to edit that post.")
bgneal@106 341
bgneal@106 342 if request.method == "POST":
bgneal@106 343 form = PostForm(request.POST, instance=post)
bgneal@106 344 if form.is_valid():
bgneal@115 345 post = form.save(commit=False)
bgneal@115 346 post.touch()
bgneal@115 347 post.save()
bgneal@106 348 return HttpResponseRedirect(post.get_absolute_url())
bgneal@106 349 else:
bgneal@106 350 form = PostForm(instance=post)
bgneal@106 351
bgneal@123 352 post.user_profile = request.user.get_profile()
bgneal@123 353
bgneal@106 354 return render_to_response('forums/edit_post.html', {
bgneal@106 355 'forum': post.topic.forum,
bgneal@106 356 'topic': post.topic,
bgneal@106 357 'post': post,
bgneal@106 358 'form': form,
bgneal@108 359 'can_moderate': can_moderate,
bgneal@106 360 },
bgneal@106 361 context_instance=RequestContext(request))
bgneal@107 362
bgneal@107 363
bgneal@107 364 @require_POST
bgneal@107 365 def delete_post(request):
bgneal@107 366 """
bgneal@107 367 This view function allows superusers and forum moderators to delete posts.
bgneal@107 368 This function is the target of AJAX calls from the client.
bgneal@107 369 """
bgneal@107 370 if not request.user.is_authenticated():
bgneal@107 371 return HttpResponseForbidden('Please login to delete a post.')
bgneal@107 372
bgneal@107 373 id = request.POST.get('id')
bgneal@107 374 if id is None:
bgneal@107 375 return HttpResponseBadRequest('No post id')
bgneal@107 376
bgneal@107 377 post = get_object_or_404(Post.objects.select_related(), pk=id)
bgneal@107 378
bgneal@107 379 can_delete = request.user.is_superuser or \
bgneal@107 380 request.user in post.topic.forum.moderators.all()
bgneal@107 381
bgneal@107 382 if not can_delete:
bgneal@107 383 return HttpResponseForbidden("You don't have permission to delete that post.")
bgneal@107 384
bgneal@147 385 delete_single_post(post)
bgneal@147 386 return HttpResponse("The post has been deleted.")
bgneal@147 387
bgneal@147 388
bgneal@147 389 def delete_single_post(post):
bgneal@147 390 """
bgneal@147 391 This function deletes a single post. It handles the case of where
bgneal@147 392 a post is the sole post in a topic by deleting the topic also. It
bgneal@147 393 adjusts any foreign keys in Topic or Forum objects that might be pointing
bgneal@147 394 to this post before deleting the post to avoid a cascading delete.
bgneal@147 395 """
bgneal@107 396 if post.topic.post_count == 1 and post == post.topic.last_post:
bgneal@107 397 _delete_topic(post.topic)
bgneal@107 398 else:
bgneal@107 399 _delete_post(post)
bgneal@107 400
bgneal@107 401
bgneal@107 402 def _delete_post(post):
bgneal@107 403 """
bgneal@107 404 Internal function to delete a single post object.
bgneal@107 405 Decrements the post author's post count.
bgneal@107 406 Adjusts the parent topic and forum's last_post as needed.
bgneal@107 407 """
bgneal@107 408 # Adjust post creator's post count
bgneal@107 409 profile = post.user.get_profile()
bgneal@107 410 if profile.forum_post_count > 0:
bgneal@107 411 profile.forum_post_count -= 1
bgneal@107 412 profile.save()
bgneal@107 413
bgneal@107 414 # If this post is the last_post in a topic, we need to update
bgneal@107 415 # both the topic and parent forum's last post fields. If we don't
bgneal@107 416 # the cascading delete will delete them also!
bgneal@107 417
bgneal@107 418 topic = post.topic
bgneal@107 419 if topic.last_post == post:
bgneal@107 420 topic.last_post_pre_delete()
bgneal@107 421 topic.save()
bgneal@107 422
bgneal@107 423 forum = topic.forum
bgneal@107 424 if forum.last_post == post:
bgneal@107 425 forum.last_post_pre_delete()
bgneal@107 426 forum.save()
bgneal@107 427
bgneal@107 428 # Should be safe to delete the post now:
bgneal@107 429 post.delete()
bgneal@107 430
bgneal@107 431
bgneal@107 432 def _delete_topic(topic):
bgneal@107 433 """
bgneal@107 434 Internal function to delete an entire topic.
bgneal@107 435 Deletes the topic and all posts contained within.
bgneal@107 436 Adjusts the parent forum's last_post as needed.
bgneal@107 437 Note that we don't bother adjusting all the users'
bgneal@107 438 post counts as that doesn't seem to be worth the effort.
bgneal@107 439 """
bgneal@147 440 if topic.forum.last_post and topic.forum.last_post.topic == topic:
bgneal@107 441 topic.forum.last_post_pre_delete()
bgneal@107 442 topic.forum.save()
bgneal@107 443
bgneal@181 444 # delete subscriptions to this topic
bgneal@181 445 topic.subscribers.clear()
bgneal@181 446
bgneal@107 447 # It should be safe to just delete the topic now. This will
bgneal@107 448 # automatically delete all posts in the topic.
bgneal@107 449 topic.delete()
bgneal@108 450
bgneal@108 451
bgneal@108 452 @login_required
bgneal@108 453 def new_post(request, topic_id):
bgneal@108 454 """
bgneal@108 455 This function is the view for creating a normal, non-quick reply
bgneal@108 456 to a topic.
bgneal@108 457 """
bgneal@108 458 topic = get_object_or_404(Topic.objects.select_related(), pk=topic_id)
bgneal@108 459 can_post = _can_post_in_topic(topic, request.user)
bgneal@108 460
bgneal@108 461 if can_post:
bgneal@108 462 if request.method == 'POST':
bgneal@108 463 form = PostForm(request.POST)
bgneal@108 464 if form.is_valid():
bgneal@108 465 post = form.save(commit=False)
bgneal@108 466 post.topic = topic
bgneal@108 467 post.user = request.user
bgneal@108 468 post.user_ip = request.META.get("REMOTE_ADDR", "")
bgneal@108 469 post.save()
bgneal@108 470 _bump_post_count(request.user)
bgneal@113 471 _update_last_visit(request.user, topic)
bgneal@108 472 return HttpResponseRedirect(post.get_absolute_url())
bgneal@108 473 else:
bgneal@108 474 quote_id = request.GET.get('quote')
bgneal@108 475 if quote_id:
bgneal@108 476 quote_post = get_object_or_404(Post.objects.select_related(),
bgneal@108 477 pk=quote_id)
bgneal@108 478 form = PostForm(initial={'body': _quote_message(quote_post.user.username,
bgneal@108 479 quote_post.body)})
bgneal@108 480 else:
bgneal@108 481 form = PostForm()
bgneal@108 482 else:
bgneal@108 483 form = None
bgneal@108 484
bgneal@108 485 return render_to_response('forums/new_post.html', {
bgneal@108 486 'forum': topic.forum,
bgneal@108 487 'topic': topic,
bgneal@108 488 'form': form,
bgneal@108 489 'can_post': can_post,
bgneal@108 490 },
bgneal@108 491 context_instance=RequestContext(request))
bgneal@108 492
bgneal@108 493
bgneal@109 494 @login_required
bgneal@109 495 def mod_topic_stick(request, id):
bgneal@109 496 """
bgneal@109 497 This view function is for moderators to toggle the sticky status of a topic.
bgneal@109 498 """
bgneal@109 499 topic = get_object_or_404(Topic.objects.select_related(), pk=id)
bgneal@109 500 if _can_moderate(topic.forum, request.user):
bgneal@109 501 topic.sticky = not topic.sticky
bgneal@109 502 topic.save()
bgneal@109 503 return HttpResponseRedirect(topic.get_absolute_url())
bgneal@109 504
bgneal@110 505 return HttpResponseForbidden()
bgneal@109 506
bgneal@109 507
bgneal@109 508 @login_required
bgneal@109 509 def mod_topic_lock(request, id):
bgneal@109 510 """
bgneal@109 511 This view function is for moderators to toggle the locked status of a topic.
bgneal@109 512 """
bgneal@109 513 topic = get_object_or_404(Topic.objects.select_related(), pk=id)
bgneal@109 514 if _can_moderate(topic.forum, request.user):
bgneal@109 515 topic.locked = not topic.locked
bgneal@109 516 topic.save()
bgneal@109 517 return HttpResponseRedirect(topic.get_absolute_url())
bgneal@109 518
bgneal@110 519 return HttpResponseForbidden()
bgneal@109 520
bgneal@109 521
bgneal@109 522 @login_required
bgneal@109 523 def mod_topic_delete(request, id):
bgneal@109 524 """
bgneal@109 525 This view function is for moderators to delete an entire topic.
bgneal@109 526 """
bgneal@109 527 topic = get_object_or_404(Topic.objects.select_related(), pk=id)
bgneal@109 528 if _can_moderate(topic.forum, request.user):
bgneal@109 529 forum_url = topic.forum.get_absolute_url()
bgneal@109 530 _delete_topic(topic)
bgneal@109 531 return HttpResponseRedirect(forum_url)
bgneal@109 532
bgneal@110 533 return HttpResponseForbidden()
bgneal@110 534
bgneal@110 535
bgneal@110 536 @login_required
bgneal@110 537 def mod_topic_move(request, id):
bgneal@110 538 """
bgneal@110 539 This view function is for moderators to move a topic to a different forum.
bgneal@110 540 """
bgneal@110 541 topic = get_object_or_404(Topic.objects.select_related(), pk=id)
bgneal@110 542 if not _can_moderate(topic.forum, request.user):
bgneal@110 543 return HttpResponseForbidden()
bgneal@110 544
bgneal@110 545 if request.method == 'POST':
bgneal@110 546 form = MoveTopicForm(request.user, request.POST)
bgneal@110 547 if form.is_valid():
bgneal@110 548 new_forum = form.cleaned_data['forums']
bgneal@110 549 old_forum = topic.forum
bgneal@111 550 _move_topic(topic, old_forum, new_forum)
bgneal@110 551 return HttpResponseRedirect(topic.get_absolute_url())
bgneal@110 552 else:
bgneal@110 553 form = MoveTopicForm(request.user)
bgneal@110 554
bgneal@110 555 return render_to_response('forums/move_topic.html', {
bgneal@110 556 'forum': topic.forum,
bgneal@110 557 'topic': topic,
bgneal@110 558 'form': form,
bgneal@110 559 },
bgneal@110 560 context_instance=RequestContext(request))
bgneal@109 561
bgneal@109 562
bgneal@111 563 @login_required
bgneal@111 564 def mod_forum(request, slug):
bgneal@111 565 """
bgneal@111 566 Displays a view to allow moderators to perform various operations
bgneal@111 567 on topics in a forum in bulk. We currently support mass locking/unlocking,
bgneal@111 568 stickying and unstickying, moving, and deleting topics.
bgneal@111 569 """
bgneal@111 570 forum = get_object_or_404(Forum.objects.select_related(), slug=slug)
bgneal@111 571 if not _can_moderate(forum, request.user):
bgneal@111 572 return HttpResponseForbidden()
bgneal@111 573
bgneal@111 574 topics = forum.topics.select_related('user', 'last_post', 'last_post__user')
bgneal@111 575 paginator = create_topic_paginator(topics)
bgneal@167 576 page_num = get_page_num(request)
bgneal@111 577 try:
bgneal@111 578 page = paginator.page(page_num)
bgneal@111 579 except InvalidPage:
bgneal@111 580 raise Http404
bgneal@111 581
bgneal@111 582 # we do this for the template since it is rendered twice
bgneal@111 583 page_nav = render_to_string('forums/pagination.html', {'page': page})
bgneal@111 584 form = None
bgneal@111 585
bgneal@111 586 if request.method == 'POST':
bgneal@111 587 topic_ids = request.POST.getlist('topic_ids')
bgneal@111 588 url = reverse('forums-mod_forum', kwargs={'slug':forum.slug})
bgneal@111 589 url += '?page=%s' % page_num
bgneal@111 590
bgneal@111 591 if len(topic_ids):
bgneal@111 592 if request.POST.get('sticky'):
bgneal@111 593 _bulk_sticky(forum, topic_ids)
bgneal@111 594 return HttpResponseRedirect(url)
bgneal@111 595 elif request.POST.get('lock'):
bgneal@111 596 _bulk_lock(forum, topic_ids)
bgneal@111 597 return HttpResponseRedirect(url)
bgneal@111 598 elif request.POST.get('delete'):
bgneal@111 599 _bulk_delete(forum, topic_ids)
bgneal@111 600 return HttpResponseRedirect(url)
bgneal@111 601 elif request.POST.get('move'):
bgneal@111 602 form = MoveTopicForm(request.user, request.POST, hide_label=True)
bgneal@111 603 if form.is_valid():
bgneal@111 604 _bulk_move(topic_ids, forum, form.cleaned_data['forums'])
bgneal@111 605 return HttpResponseRedirect(url)
bgneal@111 606
bgneal@111 607 if form is None:
bgneal@111 608 form = MoveTopicForm(request.user, hide_label=True)
bgneal@111 609
bgneal@111 610 return render_to_response('forums/mod_forum.html', {
bgneal@111 611 'forum': forum,
bgneal@111 612 'page': page,
bgneal@111 613 'page_nav': page_nav,
bgneal@111 614 'form': form,
bgneal@111 615 },
bgneal@111 616 context_instance=RequestContext(request))
bgneal@111 617
bgneal@111 618
bgneal@113 619 @login_required
bgneal@113 620 @require_POST
bgneal@113 621 def forum_catchup(request, slug):
bgneal@113 622 """
bgneal@113 623 This view marks all the topics in the forum as being read.
bgneal@113 624 """
bgneal@113 625 forum = get_object_or_404(Forum.objects.select_related(), slug=slug)
bgneal@113 626
bgneal@113 627 if not forum.category.can_access(request.user):
bgneal@113 628 return HttpResponseForbidden()
bgneal@113 629
bgneal@113 630 forum.catchup(request.user)
bgneal@113 631 return HttpResponseRedirect(forum.get_absolute_url())
bgneal@113 632
bgneal@113 633
bgneal@115 634 @login_required
bgneal@115 635 def mod_topic_split(request, id):
bgneal@115 636 """
bgneal@115 637 This view function allows moderators to split posts off to a new topic.
bgneal@115 638 """
bgneal@115 639 topic = get_object_or_404(Topic.objects.select_related(), pk=id)
bgneal@115 640 if not _can_moderate(topic.forum, request.user):
bgneal@115 641 return HttpResponseRedirect(topic.get_absolute_url())
bgneal@115 642
bgneal@115 643 if request.method == "POST":
bgneal@115 644 form = SplitTopicForm(request.user, request.POST)
bgneal@115 645 if form.is_valid():
bgneal@115 646 if form.split_at:
bgneal@115 647 _split_topic_at(topic, form.post_ids[0],
bgneal@115 648 form.cleaned_data['forums'],
bgneal@115 649 form.cleaned_data['name'])
bgneal@115 650 else:
bgneal@115 651 _split_topic(topic, form.post_ids,
bgneal@115 652 form.cleaned_data['forums'],
bgneal@115 653 form.cleaned_data['name'])
bgneal@115 654
bgneal@115 655 return HttpResponseRedirect(topic.get_absolute_url())
bgneal@115 656 else:
bgneal@115 657 form = SplitTopicForm(request.user)
bgneal@115 658
bgneal@115 659 posts = topic.posts.select_related()
bgneal@115 660
bgneal@115 661 return render_to_response('forums/mod_split_topic.html', {
bgneal@115 662 'forum': topic.forum,
bgneal@115 663 'topic': topic,
bgneal@115 664 'posts': posts,
bgneal@115 665 'form': form,
bgneal@115 666 },
bgneal@115 667 context_instance=RequestContext(request))
bgneal@115 668
bgneal@115 669
bgneal@167 670 @login_required
bgneal@167 671 def unread_topics(request):
bgneal@168 672 """Displays the topics with unread posts for a given user."""
bgneal@168 673
bgneal@167 674 topics = get_unread_topics(request.user)
bgneal@167 675
bgneal@167 676 paginator = create_topic_paginator(topics)
bgneal@167 677 page_num = get_page_num(request)
bgneal@167 678 try:
bgneal@167 679 page = paginator.page(page_num)
bgneal@167 680 except InvalidPage:
bgneal@167 681 raise Http404
bgneal@167 682
bgneal@167 683 attach_topic_page_ranges(page.object_list)
bgneal@167 684
bgneal@167 685 # we do this for the template since it is rendered twice
bgneal@167 686 page_nav = render_to_string('forums/pagination.html', {'page': page})
bgneal@167 687
bgneal@167 688 return render_to_response('forums/topic_list.html', {
bgneal@167 689 'title': 'Topics With Unread Posts',
bgneal@167 690 'page': page,
bgneal@167 691 'page_nav': page_nav,
bgneal@167 692 },
bgneal@167 693 context_instance=RequestContext(request))
bgneal@167 694
bgneal@167 695
bgneal@168 696 def unanswered_topics(request):
bgneal@168 697 """Displays the topics with no replies."""
bgneal@168 698
bgneal@168 699 forum_ids = Forum.objects.forum_ids_for_user(request.user)
bgneal@168 700 topics = Topic.objects.filter(forum__id__in=forum_ids,
bgneal@168 701 post_count=1).select_related(
bgneal@168 702 'forum', 'user', 'last_post', 'last_post__user')
bgneal@168 703
bgneal@168 704 paginator = create_topic_paginator(topics)
bgneal@168 705 page_num = get_page_num(request)
bgneal@168 706 try:
bgneal@168 707 page = paginator.page(page_num)
bgneal@168 708 except InvalidPage:
bgneal@168 709 raise Http404
bgneal@168 710
bgneal@168 711 attach_topic_page_ranges(page.object_list)
bgneal@168 712
bgneal@168 713 # we do this for the template since it is rendered twice
bgneal@168 714 page_nav = render_to_string('forums/pagination.html', {'page': page})
bgneal@168 715
bgneal@168 716 return render_to_response('forums/topic_list.html', {
bgneal@168 717 'title': 'Unanswered Topics',
bgneal@168 718 'page': page,
bgneal@168 719 'page_nav': page_nav,
bgneal@168 720 },
bgneal@168 721 context_instance=RequestContext(request))
bgneal@168 722
bgneal@168 723
bgneal@169 724 @login_required
bgneal@169 725 def my_posts(request):
bgneal@169 726 """Displays a list of posts the requesting user made."""
bgneal@172 727 return _user_posts(request, request.user, request.user, 'My Posts')
bgneal@169 728
bgneal@172 729
bgneal@172 730 @login_required
bgneal@172 731 def posts_for_user(request, username):
bgneal@172 732 """Displays a list of posts by the given user.
bgneal@172 733 Only the forums that the requesting user can see are examined.
bgneal@172 734 """
bgneal@172 735 target_user = get_object_or_404(User, username=username)
bgneal@172 736 return _user_posts(request, target_user, request.user, 'Posts by %s' % username)
bgneal@172 737
bgneal@172 738
bgneal@172 739 def _user_posts(request, target_user, req_user, page_title):
bgneal@172 740 """Displays a list of posts made by the target user.
bgneal@172 741 req_user is the user trying to view the posts. Only the forums
bgneal@172 742 req_user can see are searched.
bgneal@172 743 """
bgneal@172 744 forum_ids = Forum.objects.forum_ids_for_user(req_user)
bgneal@172 745 posts = Post.objects.filter(user=target_user,
bgneal@169 746 topic__forum__id__in=forum_ids).order_by(
bgneal@169 747 '-creation_date').select_related()
bgneal@169 748
bgneal@169 749 paginator = create_post_paginator(posts)
bgneal@169 750 page_num = get_page_num(request)
bgneal@169 751 try:
bgneal@169 752 page = paginator.page(page_num)
bgneal@169 753 except InvalidPage:
bgneal@169 754 raise Http404
bgneal@169 755
bgneal@169 756 # we do this for the template since it is rendered twice
bgneal@169 757 page_nav = render_to_string('forums/pagination.html', {'page': page})
bgneal@169 758
bgneal@169 759 return render_to_response('forums/post_list.html', {
bgneal@172 760 'title': page_title,
bgneal@169 761 'page': page,
bgneal@169 762 'page_nav': page_nav,
bgneal@169 763 },
bgneal@169 764 context_instance=RequestContext(request))
bgneal@169 765
bgneal@169 766
bgneal@109 767 def _can_moderate(forum, user):
bgneal@109 768 """
bgneal@109 769 Determines if a user has permission to moderate a given forum.
bgneal@109 770 """
bgneal@109 771 return user.is_authenticated() and (
bgneal@109 772 user.is_superuser or user in forum.moderators.all())
bgneal@109 773
bgneal@109 774
bgneal@108 775 def _can_post_in_topic(topic, user):
bgneal@108 776 """
bgneal@108 777 This function returns true if the given user can post in the given topic
bgneal@108 778 and false otherwise.
bgneal@108 779 """
bgneal@108 780 return (not topic.locked and topic.forum.category.can_access(user)) or \
bgneal@108 781 (user.is_superuser or user in topic.forum.moderators.all())
bgneal@108 782
bgneal@108 783
bgneal@108 784 def _bump_post_count(user):
bgneal@108 785 """
bgneal@108 786 Increments the forum_post_count for the given user.
bgneal@108 787 """
bgneal@108 788 profile = user.get_profile()
bgneal@108 789 profile.forum_post_count += 1
bgneal@108 790 profile.save()
bgneal@108 791
bgneal@108 792
bgneal@108 793 def _quote_message(who, message):
bgneal@111 794 """
bgneal@111 795 Builds a message reply by quoting the existing message in a
bgneal@111 796 typical email-like fashion. The quoting is compatible with Markdown.
bgneal@111 797 """
bgneal@111 798 header = '*%s wrote:*\n\n' % (who, )
bgneal@111 799 lines = wrap(message, 55).split('\n')
bgneal@111 800 for i, line in enumerate(lines):
bgneal@111 801 lines[i] = '> ' + line
bgneal@111 802 return header + '\n'.join(lines)
bgneal@111 803
bgneal@111 804
bgneal@111 805 def _move_topic(topic, old_forum, new_forum):
bgneal@111 806 if new_forum != old_forum:
bgneal@111 807 topic.forum = new_forum
bgneal@111 808 topic.save()
bgneal@111 809 # Have to adjust foreign keys to last_post, denormalized counts, etc.:
bgneal@112 810 old_forum.sync()
bgneal@111 811 old_forum.save()
bgneal@112 812 new_forum.sync()
bgneal@111 813 new_forum.save()
bgneal@111 814
bgneal@111 815
bgneal@111 816 def _bulk_sticky(forum, topic_ids):
bgneal@111 817 """
bgneal@111 818 Performs a toggle on the sticky status for a given list of topic ids.
bgneal@111 819 """
bgneal@111 820 topics = Topic.objects.filter(pk__in=topic_ids)
bgneal@111 821 for topic in topics:
bgneal@111 822 if topic.forum == forum:
bgneal@111 823 topic.sticky = not topic.sticky
bgneal@111 824 topic.save()
bgneal@111 825
bgneal@111 826
bgneal@111 827 def _bulk_lock(forum, topic_ids):
bgneal@111 828 """
bgneal@111 829 Performs a toggle on the locked status for a given list of topic ids.
bgneal@111 830 """
bgneal@111 831 topics = Topic.objects.filter(pk__in=topic_ids)
bgneal@111 832 for topic in topics:
bgneal@111 833 if topic.forum == forum:
bgneal@111 834 topic.locked = not topic.locked
bgneal@111 835 topic.save()
bgneal@111 836
bgneal@111 837
bgneal@111 838 def _bulk_delete(forum, topic_ids):
bgneal@111 839 """
bgneal@111 840 Deletes the list of topics.
bgneal@111 841 """
bgneal@111 842 topics = Topic.objects.filter(pk__in=topic_ids).select_related()
bgneal@111 843 for topic in topics:
bgneal@111 844 if topic.forum == forum:
bgneal@111 845 _delete_topic(topic)
bgneal@111 846
bgneal@111 847
bgneal@111 848 def _bulk_move(topic_ids, old_forum, new_forum):
bgneal@111 849 """
bgneal@111 850 Moves the list of topics to a new forum.
bgneal@111 851 """
bgneal@111 852 topics = Topic.objects.filter(pk__in=topic_ids).select_related()
bgneal@111 853 for topic in topics:
bgneal@111 854 if topic.forum == old_forum:
bgneal@111 855 _move_topic(topic, old_forum, new_forum)
bgneal@111 856
bgneal@113 857
bgneal@113 858 def _update_last_visit(user, topic):
bgneal@113 859 """
bgneal@113 860 Does the bookkeeping for the last visit status for the user to the
bgneal@113 861 topic/forum.
bgneal@113 862 """
bgneal@113 863 now = datetime.datetime.now()
bgneal@113 864 try:
bgneal@113 865 flv = ForumLastVisit.objects.get(user=user, forum=topic.forum)
bgneal@113 866 except ForumLastVisit.DoesNotExist:
bgneal@113 867 flv = ForumLastVisit(user=user, forum=topic.forum)
bgneal@113 868 flv.begin_date = now
bgneal@113 869
bgneal@113 870 flv.end_date = now
bgneal@113 871 flv.save()
bgneal@113 872
bgneal@113 873 if topic.update_date > flv.begin_date:
bgneal@113 874 try:
bgneal@113 875 tlv = TopicLastVisit.objects.get(user=user, topic=topic)
bgneal@113 876 except TopicLastVisit.DoesNotExist:
bgneal@113 877 tlv = TopicLastVisit(user=user, topic=topic)
bgneal@113 878
bgneal@113 879 tlv.touch()
bgneal@113 880 tlv.save()
bgneal@113 881
bgneal@115 882
bgneal@115 883 def _split_topic_at(topic, post_id, new_forum, new_name):
bgneal@115 884 """
bgneal@115 885 This function splits the post given by post_id and all posts that come
bgneal@115 886 after it in the given topic to a new topic in a new forum.
bgneal@115 887 It is assumed the caller has been checked for moderator rights.
bgneal@115 888 """
bgneal@115 889 post = get_object_or_404(Post, id=post_id)
bgneal@115 890 if post.topic == topic:
bgneal@115 891 post_ids = Post.objects.filter(topic=topic,
bgneal@115 892 creation_date__gte=post.creation_date).values_list('id', flat=True)
bgneal@115 893 _split_topic(topic, post_ids, new_forum, new_name)
bgneal@115 894
bgneal@115 895
bgneal@115 896 def _split_topic(topic, post_ids, new_forum, new_name):
bgneal@115 897 """
bgneal@115 898 This function splits the posts given by the post_ids list in the
bgneal@115 899 given topic to a new topic in a new forum.
bgneal@115 900 It is assumed the caller has been checked for moderator rights.
bgneal@115 901 """
bgneal@115 902 posts = Post.objects.filter(topic=topic, id__in=post_ids)
bgneal@115 903 if len(posts) > 0:
bgneal@115 904 new_topic = Topic(forum=new_forum, name=new_name, user=posts[0].user)
bgneal@115 905 new_topic.save()
bgneal@115 906 for post in posts:
bgneal@115 907 post.topic = new_topic
bgneal@115 908 post.save()
bgneal@115 909
bgneal@115 910 topic.post_count_update()
bgneal@115 911 topic.save()
bgneal@115 912 new_topic.post_count_update()
bgneal@115 913 new_topic.save()
bgneal@115 914 topic.forum.sync()
bgneal@115 915 topic.forum.save()
bgneal@115 916 new_forum.sync()
bgneal@115 917 new_forum.save()