repost/plugins/commands.rb

include EventMachine::IRC::Commands

# yay, monkey patching
class Repost
    attr_accessor :commands

    def register_command(keyword, &code)
        begin
            access_level = Config[:commands][keyword.to_sym][:access_level].nil? ? 5 : Config[keyword.to_sym][:access_level]
        rescue NoMethodError
            access_level = 5
        end

        self.commands = [] if self.commands.nil?
        self.commands << {
            :keyword => keyword,
            :access_level => access_level,
            :code => code
        }
    end

    def unregister_command(keyword)
        self.commands.reject! { |item| item[:keyword] == keyword }
    end

    # just a stub for now
    def access_level(user, target)
        99
    end

    def load_commands
        self.commands = []
        Dir.glob(File.dirname($0) + "/plugins/commands/*.rb") { |filename|
            load filename
        }
    end

end

Client.load_commands

Client.register_trigger("PRIVMSG") { |msg|
    # who sent the message
    src_nick = msg[:prefix].split('!').first
    # what was it
    message = msg[:params][1]

    # Was the message sent directly to us...
    if msg[:params][0] == Config[:client][:nick] then
        target = src_nick
        reply_prefix = ""
    # or to a channel (probably)
    else
        target = msg[:params][0]
        reply_prefix = "#{src_nick}: "
    end

    # Did the message contain our nick with ":" "completion character"?
    # If so, use the second word as a command and everything else as arguments
    # array
    if message.split.first == Config[:client][:nick] + ":" then
        command = message.split[1]
        arguments = message.split[2..-1]
    else
        if not message.split.first.nil? then
            # did the message start with a :?
            # If so, use everything after ":" from the first word as a command and
            # all the other words as arguments array
            if message.split.first[0] == ":" then
                command = message.split.first[1..-1]
                arguments = message.split[1..-1]
            end
        else
            command = ""
            arguments = ""
        end
    end

    # don't do anything if there are no commands registered or this isn't a
    # command call
    Client.commands.each do |cmd|
        # couldn't inline the if into second argument of Client.privmsg() call
        if command.downcase == cmd[:keyword] then
            next if cmd[:access_level] > Client.access_level(msg[:prefix], target)
            retval = cmd[:code].call(arguments)
            # if the command returned a String, we want to show it
            Client.privmsg(target, reply_prefix + retval) if retval.instance_of? String
        end
    end if not ( Client.commands.nil? or command.nil? )
}