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