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require 'timeout'
require_relative 'irc'
require_relative 'logger'
module Dinobot
class Bot
attr_accessor :trigger
attr_reader :server, :port, :nick, :pass, :modules, :channels
def initialize(server, port, nick, pass=nil, &block)
@server = server
@port = port
@nick = nick
@pass = pass
@trigger = '!'
@irc = Dinobot::IRC.new(@server, @port, @nick, @pass)
@logger = Dinobot::Logger.instance
@modules = Hash.new
@channels = Array.new
instance_eval(&block) if block_given?
end
def run
@irc.connect unless @irc.connected?
@channels.each do |channel|
@irc.join channel
end
while str = @irc.gets
parse_in_new_thread(str)
end
@irc.disconnect
@logger.info 'Disconnected.'
end
def say(channel, message)
@irc.privmsg(channel, message)
end
def join(channel)
@channels << channel unless @channels.include?(channel)
@irc.join(channel) if @irc.connected?
end
def part(channel)
@channels.delete(channel)
@irc.part(channel)
end
def load_module(mod)
mod = mod.downcase.intern
@logger.info "Loading module: #{mod}"
begin
load "#{mod}.rb"
m = Dinobot.const_get(Dinobot.constants.find { |x| x.downcase == mod })
@modules[mod] = m.new(self)
@logger.info "Loaded module: #{mod} (#{m})"
rescue LoadError, StandardError => e
@logger.error "Failed to load module: #{mod} (#{e})"
end
end
def unload_module(mod)
mod = mod.downcase.intern
@logger.info "Unloading module: #{mod}"
begin
raise 'module not loaded' unless @modules.has_key?(mod)
@modules.delete(mod)
m = Dinobot.send(:remove_const,
Dinobot.constants.find { |x| x.downcase == mod })
@logger.info "Unloaded module: #{mod} (#{m})"
rescue => e
@logger.error "Failed to unload module: #{mod} (#{e})"
end
end
private
def parse_in_new_thread(str)
Thread.new do
begin
Timeout.timeout(30) do
parse_line(str.chomp)
end
rescue => e
@logger.error "Error parsing line. (#{e})"
@logger.indent *e.backtrace
end
end
end
def parse_line(str)
@irc.pong str.sub(/\APING /, 'PONG') if str =~ /\APING /
if str =~ /(\S+) PRIVMSG (\S+) :(.*)/
user, channel, message = str.scan(/(\S+) PRIVMSG (\S+) :(.*)/).first
return unless message.sub!(/^#{Regexp.escape(@trigger)}/, '')
if methods = exec_command(user, channel, message)
ensure_valid_methods(methods)
run_methods(methods)
end
end
end
def exec_command(user, channel, command, prev=nil)
command, remainder = command.split(' | ', 2)
mod = command.scan(/\A\S+/).first.downcase
return unless @modules.keys.map { |x| x.to_s }.include?(mod)
mod = mod.intern
if prev.nil?
methods = @modules[mod].call(user, channel, command)
else
ensure_valid_methods(prev)
methods = []
prev.each do |p|
if p.first == :say
m = @modules[mod].call(user, p[1], "#{command} #{p[2]}")
ensure_valid_methods(m)
methods.concat(m)
else
methods << p
end
end
end
remainder ? exec_command(user, channel, remainder, methods) : methods
end
def run_methods(methods)
methods.each do |m|
@logger.info "Executing method: #{m.inspect}"
send(*m)
end
end
def ensure_valid_methods(methods)
raise "method list not array -- #{methods}" unless methods.is_a?(Array)
methods.each do |m|
raise "method not array -- #{m}" unless m.is_a?(Array)
case m.first
when :say
raise "wrong number of arguments -- #{m}" unless m.length == 3
when :join, :part
raise "wrong number of arguments -- #{m}" unless m.length == 2
else
raise "unknown method name -- #{m}"
end
end
end
end
end
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