text: from django.utils.translation import ungettext, ugettext as _
  from django.core.urlresolvers import reverse
  from django.db.models import F
  from django.contrib import messages
  from forum.models.action import ActionProxy
  from forum.models import Award, Badge, ValidationHash, User
  from forum import settings, REQUEST_HOLDER
  from forum.settings import APP_SHORT_NAME
  from forum.utils.mail import send_template_email
  
  from django.contrib import messages
  
  class UserJoinsAction(ActionProxy):
      verb = _("joined")
  
      def repute_users(self):
          self.repute(self.user, int(settings.INITIAL_REP))
  
      def process_action(self):
          hash = ValidationHash.objects.create_new(self.user, 'email', [self.user.email])
          send_template_email([self.user], "auth/welcome_email.html", {'validation_code': hash})
  
      def describe(self, viewer=None):
          return _("%(user)s %(have_has)s joined the %(app_name)s Q&A community") % {
          'user': self.hyperlink(self.user.get_absolute_url(), self.friendly_username(viewer, self.user)),
          'have_has': self.viewer_or_user_verb(viewer, self.user, _('have'), _('has')),
          'app_name': APP_SHORT_NAME,
          }
  
  class UserLoginAction(ActionProxy):
      verb = _("logged in")
  
      def describe(self, viewer=None):
          return _("%(user)s %(have_has)s logged in") % {
              'user' : self.hyperlink(self.user.get_absolute_url(), self.friendly_username(viewer, self.user)),
              'have_has': self.viewer_or_user_verb(viewer, self.user, _('have'), _('has')),
          }
  
  class EmailValidationAction(ActionProxy):
      verb = _("validated e-mail")
  
      def repute_users(self):
          self.repute(self.user, int(settings.REP_GAIN_BY_EMAIL_VALIDATION))
  
      def process_action(self):
          self.user.email_isvalid = True
          self.user.save()
  
      def describe(self, viewer=None):
          return _("%(user)s %(have_has)s validated the e-mail %(email)s") % {
          'user': self.hyperlink(self.user.get_absolute_url(), self.friendly_username(viewer, self.user)),
          'have_has': self.viewer_or_user_verb(viewer, self.user, _('have'), _('has')),
          'email' : self.user.email if viewer.is_superuser or viewer.is_staff or viewer == self.user else ""
          }
  
  class EditProfileAction(ActionProxy):
      verb = _("edited profile")
  
      def describe(self, viewer=None):
          return _("%(user)s edited %(hes_or_your)s %(profile_link)s") % {
          'user': self.hyperlink(self.user.get_absolute_url(), self.friendly_username(viewer, self.user)),
          'hes_or_your': self.viewer_or_user_verb(viewer, self.user, _('your'), _('his')),
          'profile_link': self.hyperlink(self.user.get_absolute_url(), _('profile')),
          }
  
  class BonusRepAction(ActionProxy):
      verb = _("gave bonus")
  
      def process_data(self, value, affected):
          self._value = value
          self._affected = affected
  
  
      def repute_users(self):
          self.repute(self._affected, self._value)
  
          if self._value > 0:
              self._affected.message_set.create(
                      message=_("Congratulations, you have been awarded an extra %s reputation points.") % self._value +
                      '<br />%s' % self.extra.get('message', _('Thank you')))
          else:
              messages.info(REQUEST_HOLDER.request, _("You have penalized %s in %s reputation points.") % (self._affected, self._value) +
                      '<br />%s' % self.extra.get('message', ''))
  
      def describe(self, viewer=None):
          value = self.extra.get('value', _('unknown'))
          message = self.extra.get('message', '')
  
          try:
              if int(value) > 0:
                  return _("%(user)s awarded an extra %(value)s reputation points to %(users)s: %(message)s") % {
                  'user': self.hyperlink(self.user.get_absolute_url(), self.friendly_username(viewer, self.user)),
                  'value': value, 'users':self.affected_links(viewer), 'message': message
                  }
              else:
                  return _("%(user)s penalised %(users)s in %(value)s reputation points: %(message)s") % {
                  'user': self.hyperlink(self.user.get_absolute_url(), self.friendly_username(viewer, self.user)),
                  'value': value, 'users':self.affected_links(viewer), 'message': message
                  }
          except Exception, e:
              return ''
  
  class AwardPointsAction(ActionProxy):
      verb = _("gave reputation points")
  
      def process_data(self, value, affected):
          self._value = value
          self._affected = affected
  
  
      def repute_users(self):
          self.repute(self._affected, self._value)
          self.repute(self.user, -self._value)
  
          self._affected.message_set.create(
                  message=_("Congratulations, you have been awarded an extra %(points)s reputation %(points_label)s on <a href=\"%(answer_url)s\">this</a> answer.") % {
                          'points': self._value,
                          'points_label': ungettext('point', 'points', self._value),
                          'answer_url': self.node.get_absolute_url()
                      })
  
      def describe(self, viewer=None):
          value = self.extra.get('value', _('unknown'))
  
          try:
              if int(value) > 0:
                  return _("%(user)s awarded an extra %(value)s reputation points to %(users)s") % {
                  'user': self.hyperlink(self.user.get_absolute_url(), self.friendly_username(viewer, self.user)),
                  'value': value, 'users':self.affected_links(viewer),
                  }
              else:
                  return _("%(user)s penalised %(users)s in %(value)s reputation points") % {
                  'user': self.hyperlink(self.user.get_absolute_url(), self.friendly_username(viewer, self.user)),
                  'value': value, 'users':self.affected_links(viewer),
                  }
          except Exception, e:
              return ''
  
  class AwardAction(ActionProxy):
      verb = _("was awarded")
  
      def process_data(self, badge, trigger):
          self.__dict__['_badge'] = badge
          self.__dict__['_trigger'] = trigger
  
      def process_action(self):
          badge = self.__dict__['_badge']
          trigger = self.__dict__['_trigger']
  
          award = Award(user=self.user, badge=badge, trigger=trigger, action=self)
          if self.node:
              award.node = self.node
  
          award.save()
          award.badge.awarded_count = F('awarded_count') + 1
          award.badge.save()
  
          if award.badge.type == Badge.GOLD:
              self.user.gold += 1
          if award.badge.type == Badge.SILVER:
              self.user.silver += 1
          if award.badge.type == Badge.BRONZE:
              self.user.bronze += 1
  
          self.user.save()
  
          self.user.message_set.create(message=_(
                  """Congratulations, you have received a badge '%(badge_name)s'. <a href="%(badge_url)s">Find out who has it, too</a>."""
          ) % dict(
              badge_name=award.badge.name,
              badge_url=award.badge.get_absolute_url()))
  
      def cancel_action(self):
          award = self.award
          badge = award.badge
          badge.awarded_count = F('awarded_count') - 1
          badge.save()
          award.delete()
  
      @classmethod
      def get_for(cls, user, badge, node=False):
          try:
              if node is False:
                  return Award.objects.get(user=user, badge=badge).action
              else:
                  return Award.objects.get(user=user, node=node, badge=badge).action
          except:
              return None
  
      def describe(self, viewer=None):
          return _("%(user)s %(were_was)s awarded the %(badge_name)s badge") % {
          'user': self.hyperlink(self.user.get_absolute_url(), self.friendly_username(viewer, self.user)),
          'were_was': self.viewer_or_user_verb(viewer, self.user, _('were'), _('was')),
          'badge_name': self.award.badge.name,
          }
  
  
  class ReportAction(ActionProxy):
      verb = _("suspended")
  
      def process_data(self, **kwargs):
          self.extra = kwargs
          # message here?
  
  
      def process_action(self):
  
          all_superusers = User.objects.filter(is_superuser=True)
  
  
          send_template_email(all_superusers, "notifications/user_reported.html", {
              'reported': self.extra['reported'],
              'user':self.user,
              'message': self.extra['publicmsg']
              }
              )
  
      def describe(self, viewer=None):
  
          return _("%(user)s reported %(reported) : %(msg)s") % {
              'user': self.hyperlink(self.user.get_absolute_url(), self.friendly_username(viewer, self.user)),
              'reporter': self.extra.get('reported').username,
              'msg': self.extra.get('publicmsg', _('N/A'))
          }
  
  class SuspendAction(ActionProxy):
      verb = _("suspended")
  
      def process_data(self, **kwargs):
          self._suspended = kwargs.pop('suspended')
          self.extra = kwargs
  
      def repute_users(self):
          self.repute(self._suspended, 0)
  
      def process_action(self):
          self._suspended.is_active = False
          self._suspended.save()
  
      def cancel_action(self):
          for u in User.objects.filter(reputes__action=self).distinct():
              u.is_active = True
              u._pop_suspension_cache()
              u.save()
              u.message_set.create(message=_("Your suspension has been removed."))
  
      def describe(self, viewer=None):
          if self.extra.get('bantype', 'indefinitely') == 'forxdays' and self.extra.get('forxdays', None):
              suspension = _("for %s days") % self.extra['forxdays']
          else:
              suspension = _("indefinetely")
  
          return _("%(user)s suspended %(users)s %(suspension)s: %(msg)s") % {
          'user': self.hyperlink(self.user.get_absolute_url(), self.friendly_username(viewer, self.user)),
          'users': self.affected_links(viewer), 'suspension': suspension, 'msg': self.extra.get('publicmsg', _('Bad behaviour'))
          }
  