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=""):\r
  79     classes = (command and "ajax-command" or " ") + (withprompt and " withprompt" or " ") + (confirm and " confirm" or " ")\r
  80     return {'text': text, 'url': url, 'classes': classes, 'title': title}\r
  81 \r
  82 @register.inclusion_tag('node/post_controls.html')\r
  83 def post_controls(post, user):\r
  84     controls = []\r
  85     menu = []\r
  86     post_type = post.node_type\r
  87 \r
  88     # We show the link tool if the post is an Answer. It is visible to Guests too.\r
  89     if post_type == "answer":\r
  90         # Answer permanent link tool\r
  91         controls.append(post_control(_('permanent link'), reverse('answer_permanent_link', kwargs={'id' : post.id}),\r
  92                                      title=_("answer permanent link"), command=True, withprompt=True))\r
  93 \r
  94         # Users should be able to award points for an answer. Users cannot award their own answers\r
  95         if user != post.author and user.is_authenticated():\r
  96             controls.append(post_control(_("award points"), reverse('award_points', kwargs={'user_id' : post.author.id,\r
  97                                          'answer_id' : post.id}), title=_("award points to %s") % smart_unicode(post.author.username),\r
  98                                          command=True, withprompt=True))\r
  99 \r
 100     # The other controls are visible only to authenticated users.\r
 101     if user.is_authenticated():\r
 102         try:\r
 103             edit_url = reverse('edit_' + post_type, kwargs={'id': post.id})\r
 104             if user.can_edit_post(post):\r
 105                 controls.append(post_control(_('edit'), edit_url))\r
 106             elif post_type == 'question' and user.can_retag_questions():\r
 107                 controls.append(post_control(_('retag'), edit_url))\r
 108         except:\r
 109             pass\r
 110 \r
 111         if post_type == 'question':\r
 112             if post.nis.closed and user.can_reopen_question(post):\r
 113                 controls.append(post_control(_('reopen'), reverse('reopen', kwargs={'id': post.id}), command=True))\r
 114             elif not post.nis.closed and user.can_close_question(post):\r
 115                 controls.append(post_control(_('close'), reverse('close', kwargs={'id': post.id}), command=True, withprompt=True))\r
 116 \r
 117         if user.can_flag_offensive(post):\r
 118             label = _('report')\r
 119             \r
 120             if user.can_view_offensive_flags(post):\r
 121                 label =  "%s (%d)" % (label, post.flag_count)\r
 122 \r
 123             controls.append(post_control(label, reverse('flag_post', kwargs={'id': post.id}),\r
 124                     command=True, withprompt=True, title=_("report as offensive (i.e containing spam, advertising, malicious text, etc.)")))\r
 125 \r
 126         if user.can_delete_post(post):\r
 127             if post.nis.deleted:\r
 128                 controls.append(post_control(_('undelete'), reverse('delete_post', kwargs={'id': post.id}),\r
 129                         command=True, confirm=True))\r
 130             else:\r
 131                 controls.append(post_control(_('delete'), reverse('delete_post', kwargs={'id': post.id}),\r
 132                         command=True, confirm=True))\r
 133 \r
 134         if user.can_delete_post(post):\r
 135             menu.append(post_control(_('see revisions'),\r
 136                         reverse('revisions',\r
 137                         kwargs={'id': post.id}),\r
 138                         command=False, confirm=False))\r
 139 \r
 140         if settings.WIKI_ON:\r
 141             if (not post.nis.wiki) and user.can_wikify(post):\r
 142                 menu.append(post_control(_('mark as community wiki'), reverse('wikify', kwargs={'id': post.id}),\r
 143                             command=True, confirm=True))\r
 144 \r
 145             elif post.nis.wiki and user.can_cancel_wiki(post):\r
 146                 menu.append(post_control(_('cancel community wiki'), reverse('wikify', kwargs={'id': post.id}),\r
 147                             command=True, confirm=True))\r
 148 \r
 149         if post.node_type == "answer" and user.can_convert_to_comment(post):\r
 150             menu.append(post_control(_('convert to comment'), reverse('convert_to_comment', kwargs={'id': post.id}),\r
 151                         command=True, withprompt=True))\r
 152         \r
 153         if post.node_type == "answer" and user.can_convert_to_question(post):\r
 154             menu.append(post_control(_('convert to question'), reverse('convert_to_question', kwargs={'id': post.id}),\r
 155                         command=False, confirm=True))\r
 156 \r
 157         if user.is_superuser or user.is_staff:\r
 158             plain_text = strip_tags(post.html)\r
 159 \r
 160             char_count = len(plain_text)\r
 161             fullStr = plain_text + " "\r
 162             left_trimmedStr = re.sub(re.compile(r"^[^\w]+", re.IGNORECASE), "", fullStr)\r
 163             cleanedStr = re.sub(re.compile(r"[^\w]+", re.IGNORECASE), " ", left_trimmedStr)\r
 164             splitString = cleanedStr.split(" ")\r
 165             word_count = len(splitString) - 1\r
 166 \r
 167             metrics = mark_safe("<b>%s %s / %s %s</b>" % (char_count, ungettext('character', 'characters', char_count),\r
 168                                         word_count, ungettext('word', 'words', word_count)))\r
 169 \r
 170             menu.append(post_control(metrics, "#", command=False, withprompt=False))\r
 171 \r
 172     return {'controls': controls, 'menu': menu, 'post': post, 'user': user}\r
 173 \r
 174 @register.inclusion_tag('node/comments.html')\r
 175 def comments(post, user):\r
 176     all_comments = post.comments.filter_state(deleted=False).order_by('added_at')\r
 177 \r
 178     if len(all_comments) <= 5:\r
 179         top_scorers = all_comments\r
 180     else:\r
 181         top_scorers = sorted(all_comments, lambda c1, c2: cmp(c2.score, c1.score))[0:5]\r
 182 \r
 183     comments = []\r
 184     showing = 0\r
 185     for c in all_comments:\r
 186         context = {\r
 187             'can_delete': user.can_delete_comment(c),\r
 188             'can_like': user.can_like_comment(c),\r
 189             'can_edit': user.can_edit_comment(c),\r
 190             'can_convert': user.can_convert_comment_to_answer(c)\r
 191         }\r
 192 \r
 193         if c in top_scorers or c.is_reply_to(user):\r
 194             context['top_scorer'] = True\r
 195             showing += 1\r
 196         \r
 197         if context['can_like']:\r
 198             context['likes'] = VoteAction.get_for(user, c) == 1\r
 199 \r
 200         context['user'] = c.user\r
 201         context['comment'] = c.comment\r
 202         context.update(dict(c.__dict__))\r
 203         comments.append(context)\r
 204 \r
 205     return {\r
 206         'comments': comments,\r
 207         'post': post,\r
 208         'can_comment': user.can_comment(post),\r
 209         'max_length': settings.FORM_MAX_COMMENT_BODY,\r
 210         'min_length': settings.FORM_MIN_COMMENT_BODY,\r
 211         'show_gravatar': settings.FORM_GRAVATAR_IN_COMMENTS,\r
 212         'showing': showing,\r
 213         'total': len(all_comments),\r
 214         'user': user,\r
 215     }\r
 216 \r
 217 \r
 218 @register.inclusion_tag("node/contributors_info.html")\r
 219 def contributors_info(node, verb=None):\r
 220     return {\r
 221         'node_verb': verb and verb or ((node.node_type == "question") and _("asked") or (\r
 222                     (node.node_type == "answer") and _("answered") or _("posted"))),\r
 223         'node': node,\r
 224     }\r
 225 \r
 226 @register.inclusion_tag("node/reviser_info.html")\r
 227 def reviser_info(revision):\r
 228     return {'revision': revision}\r