forum/templatetags/node_tags.py

   1 from datetime import datetime, timedelta\r
   2 import re\r
   3 \r
   4 from forum.models import Question, Action\r
   5 from django.template import Template, Context\r
   6 from django.utils.translation import ungettext, ugettext as _\r
   7 from django.utils.html import strip_tags\r
   8 from django.utils.encoding import smart_unicode\r
   9 from django.utils.safestring import mark_safe\r
  10 from django.conf import settings as django_settings\r
  11 from django.core.urlresolvers import reverse\r
  12 from django import template\r
  13 from forum.actions import *\r
  14 from forum import settings\r
  15 \r
  16 register = template.Library()\r
  17 \r
  18 @register.inclusion_tag('node/vote_buttons.html')\r
  19 def vote_buttons(post, user):\r
  20     context = dict(post=post, user_vote='none')\r
  21 \r
  22     if user.is_authenticated():\r
  23         context['user_vote'] = {1: 'up', -1: 'down', None: 'none'}[VoteAction.get_for(user, post)]\r
  24 \r
  25     return context\r
  26 \r
  27 @register.inclusion_tag('node/accept_button.html')\r
  28 def accept_button(answer, user):\r
  29     if not settings.DISABLE_ACCEPTING_FEATURE:\r
  30         return {\r
  31             'can_accept': user.is_authenticated() and user.can_accept_answer(answer),\r
  32             'answer': answer,\r
  33             'user': user\r
  34         }\r
  35     else:\r
  36         return ''\r
  37 \r
  38 @register.inclusion_tag('node/wiki_symbol.html')\r
  39 def wiki_symbol(user, post):\r
  40     context = {\r
  41         'is_wiki': post.nis.wiki,\r
  42         'post_type': post.friendly_name\r
  43     }\r
  44 \r
  45     if post.nis.wiki:\r
  46         if user.can_edit_post(post):\r
  47             context['can_edit'] = True\r
  48             context['edit_url'] = reverse('edit_' + post.node_type, kwargs={'id': post.id})\r
  49         context['by'] = post.nstate.wiki.by.username\r
  50         context['at'] = post.nstate.wiki.at\r
  51 \r
  52     return context\r
  53 \r
  54 @register.inclusion_tag('node/favorite_mark.html')\r
  55 def favorite_mark(question, user):\r
  56     try:\r
  57         FavoriteAction.objects.get(canceled=False, node=question, user=user)\r
  58         favorited = True\r
  59     except:\r
  60         favorited = False\r
  61 \r
  62     return {'favorited': favorited, 'favorite_count': question.favorite_count, 'question': question}\r
  63 \r
  64 @register.simple_tag\r
  65 def post_classes(post):\r
  66     classes = []\r
  67 \r
  68     if post.nis.deleted:\r
  69         classes.append('deleted')\r
  70 \r
  71     if post.node_type == "answer":\r
  72         if (not settings.DISABLE_ACCEPTING_FEATURE) and post.nis.accepted:\r
  73             classes.append('accepted-answer')\r
  74 \r
  75         if post.author == post.question.author:\r
  76             classes.append('answered-by-owner')\r
  77 \r
  78     return " ".join(classes)\r
  79 \r
  80 def post_control(text, url, command=False, withprompt=False, confirm=False, title="", copy=False, extra_classes=[]):\r
  81     classes = (command and "ajax-command" or " ") + (withprompt and " withprompt" or " ") + (confirm and " confirm" or " ") + \\r
  82         (copy and " copy" or " ")\r
  83 \r
  84     for extra_class in extra_classes:\r
  85         classes += " %s" % extra_class\r
  86 \r
  87     return {'text': text, 'url': url, 'classes': classes, 'title': title}\r
  88 \r
  89 \r
  90 moderation_enabled = False\r
  91 for m in django_settings.MODULE_LIST:\r
  92     if m.__name__.endswith('moderation'):\r
  93         moderation_enabled = True\r
  94 \r
  95 @register.inclusion_tag('node/post_controls.html' if not moderation_enabled else "modules/moderation/node/post_controls.html")\r
  96 def post_controls(post, user):\r
  97     controls = []\r
  98     menu = []\r
  99     post_type = post.node_type\r
 100 \r
 101     # We show the link tool if the post is an Answer. It is visible to Guests too.\r
 102     if post_type == "answer":\r
 103         # Answer permanent link tool\r
 104         controls.append(post_control(_('permanent link'), reverse('answer_permanent_link', kwargs={'id' : post.id,}),\r
 105                                      title=_("answer permanent link"), command=True, withprompt=True, copy=True))\r
 106 \r
 107         # Users should be able to award points for an answer. Users cannot award their own answers\r
 108         if user != post.author and user.is_authenticated() and user.reputation > 1:\r
 109             controls.append(post_control(_("award points"), reverse('award_points', kwargs={'user_id' : post.author.id,\r
 110                                          'answer_id' : post.id}), title=_("award points to %s") % smart_unicode(post.author.username),\r
 111                                          command=True, withprompt=True))\r
 112 \r
 113     # The other controls are visible only to authenticated users.\r
 114     if user.is_authenticated():\r
 115         try:\r
 116             edit_url = reverse('edit_' + post_type, kwargs={'id': post.id})\r
 117             if user.can_edit_post(post):\r
 118                 controls.append(post_control(_('edit'), edit_url))\r
 119             elif post_type == 'question' and user.can_retag_questions():\r
 120                 controls.append(post_control(_('retag'), edit_url))\r
 121         except:\r
 122             pass\r
 123 \r
 124         if post_type == 'question':\r
 125             if post.nis.closed and user.can_reopen_question(post):\r
 126                 controls.append(post_control(_('reopen'), reverse('reopen', kwargs={'id': post.id}), command=True))\r
 127             elif not post.nis.closed and user.can_close_question(post):\r
 128                 controls.append(post_control(_('close'), reverse('close', kwargs={'id': post.id}), command=True, withprompt=True))\r
 129 \r
 130         if user.can_flag_offensive(post):\r
 131             label = _('report')\r
 132             \r
 133             if user.can_view_offensive_flags(post):\r
 134                 label =  "%s (%d)" % (label, post.flag_count)\r
 135 \r
 136 \r
 137             report_control = post_control(label, reverse('flag_post', kwargs={'id': post.id}),\r
 138                     command=True, withprompt=True,\r
 139                     title=_("report as offensive (i.e containing spam, advertising, malicious text, etc.)"))\r
 140 \r
 141             # Depending on the setting choose where to attach the control\r
 142             if settings.REPORT_OFFENSIVE_CONTROL_POSITION.value == "more":\r
 143                 menu.append(report_control)\r
 144             else:\r
 145                 controls.append(report_control)\r
 146 \r
 147         if user.can_delete_post(post):\r
 148             if post.nis.deleted:\r
 149                 controls.append(post_control(_('undelete'), reverse('delete_post', kwargs={'id': post.id}),\r
 150                         command=True, confirm=True))\r
 151             else:\r
 152                 controls.append(post_control(_('delete'), reverse('delete_post', kwargs={'id': post.id}),\r
 153                         command=True, confirm=True))\r
 154 \r
 155         if user.can_delete_post(post):\r
 156             menu.append(post_control(_('see revisions'),\r
 157                         reverse('revisions',\r
 158                         kwargs={'id': post.id}),\r
 159                         command=False, confirm=False))\r
 160 \r
 161         if settings.WIKI_ON:\r
 162             if (not post.nis.wiki) and user.can_wikify(post):\r
 163                 menu.append(post_control(_('mark as community wiki'), reverse('wikify', kwargs={'id': post.id}),\r
 164                             command=True, confirm=True))\r
 165 \r
 166             elif post.nis.wiki and user.can_cancel_wiki(post):\r
 167                 menu.append(post_control(_('cancel community wiki'), reverse('wikify', kwargs={'id': post.id}),\r
 168                             command=True, confirm=True))\r
 169 \r
 170         if post.node_type == "answer" and user.can_convert_to_comment(post):\r
 171             menu.append(post_control(_('convert to comment'), reverse('convert_to_comment', kwargs={'id': post.id}),\r
 172                         command=True, withprompt=True))\r
 173         \r
 174         if post.node_type == "answer" and user.can_convert_to_question(post):\r
 175             menu.append(post_control(_('convert to question'), reverse('convert_to_question', kwargs={'id': post.id}),\r
 176                         command=False, confirm=True))\r
 177 \r
 178         if user.is_superuser or user.is_staff:\r
 179             plain_text = strip_tags(post.html)\r
 180 \r
 181             char_count = len(plain_text)\r
 182             fullStr = plain_text + " "\r
 183             left_trimmedStr = re.sub(re.compile(r"^[^\w]+", re.IGNORECASE), "", fullStr)\r
 184             cleanedStr = re.sub(re.compile(r"[^\w]+", re.IGNORECASE), " ", left_trimmedStr)\r
 185             splitString = cleanedStr.split(" ")\r
 186             word_count = len(splitString) - 1\r
 187 \r
 188             metrics = mark_safe("<b>%s %s / %s %s</b>" % (char_count, ungettext('character', 'characters', char_count),\r
 189                                         word_count, ungettext('word', 'words', word_count)))\r
 190 \r
 191             menu.append(post_control(metrics, "#", command=False, withprompt=False))\r
 192 \r
 193     return {'controls': controls, 'menu': menu, 'post': post, 'user': user}\r
 194 \r
 195 def _comments(post, user):\r
 196     all_comments = post.comments.filter_state(deleted=False)\\r
 197                                 .order_by('-added_at' if settings.SHOW_LATEST_COMMENTS_FIRST else 'added_at')\r
 198 \r
 199     if len(all_comments) <= 5:\r
 200         top_scorers = all_comments\r
 201     else:\r
 202         top_scorers = sorted(all_comments, lambda c1, c2: cmp(c2.score, c1.score))[0:5]\r
 203 \r
 204     comments = []\r
 205     showing = 0\r
 206     for c in all_comments:\r
 207         context = {\r
 208             'can_delete': user.can_delete_comment(c),\r
 209             'can_like': user.can_like_comment(c),\r
 210             'can_edit': user.can_edit_comment(c),\r
 211             'can_convert': user.can_convert_comment_to_answer(c)\r
 212         }\r
 213 \r
 214         if c in top_scorers or c.is_reply_to(user):\r
 215             context['top_scorer'] = True\r
 216             showing += 1\r
 217         \r
 218         if context['can_like']:\r
 219             context['likes'] = VoteAction.get_for(user, c) == 1\r
 220 \r
 221         context['user'] = c.user\r
 222         context['comment'] = c.comment\r
 223         context.update(dict(c.__dict__))\r
 224         comments.append(context)\r
 225 \r
 226     # Generate canned comments\r
 227     canned_comments = []\r
 228     for comment in settings.CANNED_COMMENTS:\r
 229         t = Template(smart_unicode(comment))\r
 230         c = Context({\r
 231             'post' : post,\r
 232             'settings' : settings,\r
 233         })\r
 234         canned_comments.append(t.render(c))\r
 235 \r
 236     total = len(all_comments)\r
 237     return {\r
 238         'comments': comments,\r
 239         'canned_comments': canned_comments,\r
 240         'post': post,\r
 241         'can_comment': user.can_comment(post),\r
 242         'max_length': settings.FORM_MAX_COMMENT_BODY,\r
 243         'min_length': settings.FORM_MIN_COMMENT_BODY,\r
 244         'show_gravatar': settings.FORM_GRAVATAR_IN_COMMENTS,\r
 245         'showing': showing,\r
 246         'total': total,\r
 247         'more_comments_count' : int(total - showing),\r
 248         'show_latest_comments_first' : settings.SHOW_LATEST_COMMENTS_FIRST,\r
 249         'user': user,\r
 250     }\r
 251 \r
 252 @register.inclusion_tag('node/comments.html')\r
 253 def comments(post, user):\r
 254     return _comments(post, user)\r
 255 \r
 256 @register.inclusion_tag("node/contributors_info.html", takes_context=True)\r
 257 def contributors_info(context, node, verb=None):\r
 258     return {\r
 259         'node_verb': verb and verb or ((node.node_type == "question") and _("asked") or (\r
 260                     (node.node_type == "answer") and _("answered") or _("posted"))),\r
 261         'node': node,\r
 262         'context' : context\r
 263     }\r
 264 \r
 265 @register.inclusion_tag("node/reviser_info.html")\r
 266 def reviser_info(revision):\r
 267     return {'revision': revision}\r