21 

    22 parse_message_id = deprecated('parse_message_id is now defined in cubicweb.common.mail')(parse_message_id)

   123 def format_value(value):

   124     if isinstance(value, unicode):

   125         return u'"%s"' % value

   126     return value

   127 

   128 

   129 class EntityUpdatedNotificationView(NotificationView):

   130     """abstract class for notification on entity/relation

   131 

   132     all you have to do by default is :

   133     * set id and __select__ attributes to match desired events and entity types

   134     * set a content attribute to define the content of the email (unless you

   135       override call)

   136     """

   137     __abstract__ = True

   138     id = 'notif_entity_updated'

   139     msgid_timestamp = False

   140     message = _('updated')

   141     no_detailed_change_attrs = ()

   142     content = """

   143 Properties have been updated by %(user)s:

   144 

   145 %(changes)s

   146 

   147 url: %(url)s

   148 """

   149 

   150     def context(self, **kwargs):

   151         context = super(EntityUpdatedNotificationView, self).context(**kwargs)

   152         changes = self.req.transaction_data['changes'][self.rset[0][0]]

   153         _ = self.req._

   154         formatted_changes = []

   155         for attr, oldvalue, newvalue in sorted(changes):

   156             # check current user has permission to see the attribute

   157             rschema = self.vreg.schema[attr]

   158             if rschema.is_final():

   159                 if not rschema.has_perm(self.req, 'read', eid=self.rset[0][0]):

   160                     continue

   161             # XXX suppose it's a subject relation...

   162             elif not rschema.has_perm(self.req, 'read', fromeid=self.rset[0][0]):

   163                 continue

   164             if attr in self.no_detailed_change_attrs:

   165                 msg = _('%s updated') % _(attr)

   166             elif oldvalue not in (None, ''):

   167                 msg = _('%(attr)s updated from %(oldvalue)s to %(newvalue)s') % {

   168                     'attr': _(attr),

   169                     'oldvalue': format_value(oldvalue),

   170                     'newvalue': format_value(newvalue)}

   171             else:

   172                 msg = _('%(attr)s set to %(newvalue)s') % {

   173                     'attr': _(attr), 'newvalue': format_value(newvalue)}

   174             formatted_changes.append('* ' + msg)

   175         if not formatted_changes:

   176             # current user isn't allowed to see changes, skip this notification

   177             raise SkipEmail()

   178         context['changes'] = '\n'.join(formatted_changes)

   179         return context

   180 

   181     def subject(self):

   182         entity = self.entity(self.row or 0, self.col or 0)

   183         return  u'%s #%s (%s)' % (self.req.__('Updated %s' % entity.e_schema),

   184                                   entity.eid, self.user_data['login'])

   185 

   186