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# -*- coding: utf-8 -*-
require 'xmpp4r/message'
require_relative '../module_base'
module Lain
module Modules
class Topic < Base
def on_message(muc, message)
return unless /\A!topic\b/ =~ message.body
if /\A!topic\s*(?:\ss(?:how)?.*)?\Z/ =~ message.body
show_topic(muc, message)
elsif /\A!topic\s+a(?:dd)?\s+(.+)\Z/ =~ message.body
add_topic(muc, message, $~[1].strip)
elsif /\A!topic\s+d(?:el(?:ete)?)?\s+(\d+)\Z/ =~ message.body
del_topic(muc, message, $~[1].to_i)
end
end
def commands
{
'!topic [s[how]]' => 'show topics (with IDs)',
'!topic a[dd] <topic>' => 'add a topic to the topic line',
'!topic d[el[ete]] <ID>' => 'remove topic <ID>'
}
end
private
def current_topic(muc)
topic = muc.subject
return [] if topic.nil?
topic.split('|').map { |s| s.strip }
end
def set_topic(muc, topic)
muc.subject = topic.join(" | ")
end
def topic_list(topic)
topic.each_with_index.map { |t, i| "[#{i}] #{t}" }.join("\n")
end
def show_topic(muc, message)
topic = current_topic muc
if topic.empty?
muc.send(Jabber::Message.new(muc.room, "No topic set."))
return
end
muc.send(Jabber::Message.new(muc.room, "Current topics:\n" + topic_list(topic)))
end
def add_topic(muc, message, text)
topic = current_topic muc
topic.unshift text
set_topic(muc, topic)
muc.send(Jabber::Message.new(muc.room, "New topics:\n" + topic_list(topic)))
end
def del_topic(muc, message, id)
topic = current_topic muc
begin
topic.delete_at id
rescue
end
set_topic(muc, topic)
muc.send(Jabber::Message.new(muc.room, "New topics:\n" + topic_list(topic)))
end
end
end
end
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