forum/actions/node.py

   1 from django.utils.html import strip_tags
   2 from django.utils.translation import ugettext as _
   3 from forum.models.action import ActionProxy
   4 from forum.models import Comment, Question, Answer, NodeRevision
   5 import logging
   6
   7 from django.contrib import messages
   8
   9 class NodeEditAction(ActionProxy):
  10     def create_revision_data(self, initial=False, **data):
  11         revision_data = dict(summary=data.get('summary', (initial and _('Initial revision') or '')), body=data['text'])
  12
  13         if data.get('title', None):
  14             revision_data['title'] = strip_tags(data['title'].strip())
  15
  16         if data.get('tags', None):
  17             revision_data['tagnames'] = data['tags'].strip()
  18
  19         return revision_data
  20
  21 class AskAction(NodeEditAction):
  22     verb = _("asked")
  23
  24     def process_data(self, **data):
  25         processed_data = self.create_revision_data(True, **data)
  26         if 'added_at' in data:
  27             processed_data['added_at'] = data['added_at']
  28
  29         question = Question(author=self.user, **processed_data)
  30         question.save()
  31         self.node = question
  32
  33         messages.info(request, self.describe(self.user))
  34
  35     def describe(self, viewer=None):
  36         return _("%(user)s asked %(question)s") % {
  37             'user': self.hyperlink(self.user.get_profile_url(), self.friendly_username(viewer, self.user)),
  38             'question': self.hyperlink(self.node.get_absolute_url(), self.node.title)
  39         }
  40
  41 class AnswerAction(NodeEditAction):
  42     verb = _("answered")
  43
  44     def process_data(self, **data):
  45         answer = Answer(author=self.user, parent=data['question'], **self.create_revision_data(True, **data))
  46         answer.save()
  47         self.node = answer
  48
  49     def process_action(self):
  50         self.node.question.reset_answer_count_cache()
  51
  52         messages.info(request, self.describe(self.user))
  53
  54
  55     def describe(self, viewer=None):
  56         question = self.node.parent
  57         return _("%(user)s answered %(asker)s on %(question)s") % {
  58             'user': self.hyperlink(self.user.get_profile_url(), self.friendly_username(viewer, self.user)),
  59             'asker': self.hyperlink(question.author.get_profile_url(), self.friendly_username(viewer, question.author)),
  60             'question': self.hyperlink(self.node.get_absolute_url(), question.title)
  61         }
  62
  63 class CommentAction(ActionProxy):
  64     verb = _("commented")
  65
  66     def process_data(self, text='', parent=None):
  67         comment = Comment(author=self.user, parent=parent, body=text)
  68         comment.save()
  69         self.node = comment
  70
  71     def describe(self, viewer=None):
  72         return _("%(user)s commented on %(post_desc)s") % {
  73             'user': self.hyperlink(self.node.author.get_profile_url(), self.friendly_username(viewer, self.node.author)),
  74             'post_desc': self.describe_node(viewer, self.node.parent)
  75         }
  76
  77 class ReviseAction(NodeEditAction):
  78     verb = _("edited")
  79
  80     def process_data(self, **data):
  81         revision_data = self.create_revision_data(**data)
  82         revision = self.node.create_revision(self.user, **revision_data)
  83         self.extra = revision.revision
  84
  85     def process_action(self):
  86         self.node.last_edited = self
  87         self.node.save()
  88
  89     def describe(self, viewer=None):
  90         return _("%(user)s edited %(post_desc)s") % {
  91             'user': self.hyperlink(self.user.get_profile_url(), self.friendly_username(viewer, self.user)),
  92             'post_desc': self.describe_node(viewer, self.node)
  93         }
  94
  95     def get_absolute_url(self):
  96         return self.node.get_revisions_url()
  97
  98 class RetagAction(ActionProxy):
  99     verb = _("retagged")
 100
 101     def process_data(self, tagnames=''):
 102         active = self.node.active_revision
 103         revision_data = dict(summary=_('Retag'), title=active.title, tagnames=strip_tags(tagnames.strip()), body=active.body)
 104         revision = self.node.create_revision(self.user, **revision_data)
 105         self.extra = revision.revision
 106
 107     def process_action(self):
 108         self.node.last_edited = self
 109         self.node.save()
 110
 111     def describe(self, viewer=None):
 112         return _("%(user)s retagged %(post_desc)s") % {
 113             'user': self.hyperlink(self.user.get_profile_url(), self.friendly_username(viewer, self.user)),
 114             'post_desc': self.describe_node(viewer, self.node)
 115         }
 116
 117     def get_absolute_url(self):
 118         return self.node.get_revisions_url()
 119
 120 class RollbackAction(ActionProxy):
 121     verb = _("reverted")
 122
 123     def process_data(self, activate=None):
 124         previous = self.node.active_revision
 125         self.node.activate_revision(self.user, activate)
 126         self.extra = "%d:%d" % (previous.revision, activate.revision)
 127
 128     def process_action(self):
 129         self.node.last_edited = self
 130         self.node.save()
 131
 132     def describe(self, viewer=None):
 133         revisions = [NodeRevision.objects.get(node=self.node, revision=int(n)) for n in self.extra.split(':')]
 134
 135         return _("%(user)s reverted %(post_desc)s from revision %(initial)d (%(initial_sum)s) to revision %(final)d (%(final_sum)s)") % {
 136             'user': self.hyperlink(self.user.get_profile_url(), self.friendly_username(viewer, self.user)),
 137             'post_desc': self.describe_node(viewer, self.node),
 138             'initial': revisions[0].revision, 'initial_sum': revisions[0].summary,
 139             'final': revisions[1].revision, 'final_sum': revisions[1].summary,
 140         }
 141
 142     def get_absolute_url(self):
 143         return self.node.get_revisions_url()
 144
 145 class CloseAction(ActionProxy):
 146     verb = _("closed")
 147
 148     def process_action(self):
 149         self.node.marked = True
 150         self.node.nstate.closed = self
 151         self.node.last_edited = self
 152         self.node.update_last_activity(self.user, save=True)
 153
 154     def cancel_action(self):
 155         self.node.marked = False
 156         self.node.nstate.closed = None
 157         self.node.update_last_activity(self.user, save=True)
 158
 159     def describe(self, viewer=None):
 160         return _("%(user)s closed %(post_desc)s: %(reason)s") % {
 161             'user': self.hyperlink(self.user.get_profile_url(), self.friendly_username(viewer, self.user)),
 162             'post_desc': self.describe_node(viewer, self.node),
 163             'reason': self.extra
 164         }
 165
 166 class AnswerToCommentAction(ActionProxy):
 167     verb = _("converted")
 168
 169     def process_data(self, new_parent=None):
 170         self.node.parent = new_parent
 171         self.node.node_type = "comment"
 172
 173         for comment in self.node.comments.all():
 174             comment.parent = new_parent
 175             comment.save()
 176
 177         self.node.last_edited = self
 178         self.node.update_last_activity(self.user, save=True)
 179         try:
 180             self.node.abs_parent.reset_answer_count_cache()
 181         except AttributeError:
 182             pass
 183
 184     def describe(self, viewer=None):
 185         return _("%(user)s converted an answer to %(question)s into a comment") % {
 186             'user': self.hyperlink(self.user.get_profile_url(), self.friendly_username(viewer, self.user)),
 187             'question': self.describe_node(viewer, self.node.abs_parent),
 188         }
 189
 190 class CommentToAnswerAction(ActionProxy):
 191     verb = _("converted")
 192
 193     def process_data(self, question):
 194         self.node.parent = question
 195         self.node.node_type = "answer"
 196         self.node.last_edited = self
 197         self.node.update_last_activity(self.user, save=True)
 198
 199         # Now updated the cached data
 200         question.reset_answer_count_cache()
 201
 202     def describe(self, viewer=None):
 203         return _("%(user)s converted comment on %(question)s into an answer") % {
 204             'user': self.hyperlink(self.user.get_profile_url(), self.friendly_username(viewer, self.user)),
 205             'question': self.describe_node(viewer, self.node.abs_parent),
 206         }
 207 class CommentToQuestionAction(NodeEditAction):
 208     verb = _("converted")
 209
 210     def process_data(self, **data):
 211         revision_data = self.create_revision_data(**data)
 212         revision = self.node.create_revision(self.user, **revision_data)
 213
 214         self.extra = {
 215             'covert_revision': revision.revision,
 216         }
 217
 218         self.node.node_type = "question"
 219         self.node.parent = None
 220         self.node.abs_parent = None
 221
 222     def process_action(self):
 223         self.node.last_edited = self
 224         self.node.save()
 225
 226     def describe(self, viewer=None):
 227         return _("%(user)s converted comment on %(question)s to a new question") % {
 228             'user': self.hyperlink(self.user.get_profile_url(), self.friendly_username(viewer, self.user)),
 229             'question': self.describe_node(viewer, self.node.abs_parent),
 230         }
 231
 232 class AnswerToQuestionAction(NodeEditAction):
 233     verb = _("converted to question")
 234
 235     def process_data(self,  **data):
 236         revision_data = self.create_revision_data(**data)
 237         revision = self.node.create_revision(self.user, **revision_data)
 238
 239         original_question = self.node.question
 240
 241         self.extra = {
 242             'covert_revision': revision.revision,
 243             'original_question': original_question
 244         }
 245
 246         self.node.node_type = "question"
 247         self.node.parent = None
 248         self.node.abs_parent = None
 249
 250         original_question.reset_answer_count_cache()
 251
 252     def process_action(self):
 253         self.node.last_edited = self
 254         self.node.save()
 255
 256
 257     def describe(self, viewer=None):
 258         return _("%(user)s converted an answer to %(question)s into a separate question") % {
 259             'user': self.hyperlink(self.user.get_profile_url(), self.friendly_username(viewer, self.user)),
 260             'question': self.describe_node(viewer, self.node.abs_parent),
 261         }
 262
 263 class WikifyAction(ActionProxy):
 264     verb = _("wikified")
 265
 266     def process_action(self):
 267         self.node.nstate.wiki = self
 268         self.node.last_edited = self
 269         self.node.update_last_activity(self.user, save=True)
 270
 271     def cancel_action(self):
 272         self.node.nstate.wiki = None
 273         self.node.update_last_activity(self.user, save=True)
 274
 275     def describe(self, viewer=None):
 276         return _("%(user)s marked %(node)s as community wiki.") % {
 277             'user': self.hyperlink(self.user.get_profile_url(), self.friendly_username(viewer, self.user)),
 278             'node': self.describe_node(viewer, self.node),
 279         }
 280