+ sort_order = models.CharField(_('Sort order'), default='-creation_timestamp',
+ max_length=30,
+ choices=[
+ ('-creation_timestamp', _('Reverse chronological (creation)')),
+ ('-first_diffusion', _('Reverse chronological (diffusion)')),
+ ('creation_timestamp', _('Chronological (creation)')),
+ ('first_diffusion', _('Chronological (diffusion)')),
+ ('?', _('Random')),
+ ]
+ )