'Poll a Channel for new messages
S3Method for interactive requests'

@staticmethod
def channel_poll(r, **attr):

    tablename = r.tablename
    current.s3task.async('msg_poll', args=[tablename, r.record.channel_id])
    current.session.confirmation = current.T('The    poll    request    has    been    submitted,    so    new    messages    should    appear    shortly    -    refresh    to    see    them')
    if (tablename == 'msg_email_channel'):
        fn = 'email_inbox'
    elif (tablename == 'msg_mcommons_channel'):
        fn = 'sms_inbox'
    elif (tablename == 'msg_rss_channel'):
        fn = 'rss'
    elif (tablename == 'msg_twilio_channel'):
        fn = 'sms_inbox'
    elif (tablename == 'msg_twitter_channel'):
        fn = 'twitter_inbox'
    else:
        return ('Unsupported    channel:    %s' % tablename)
    redirect(URL(f=fn))
