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