From ed09327eac899b9d5a1f782616747ca13c4806b1 Mon Sep 17 00:00:00 2001
From: David Vazgenovich Shakaryan <dvshakaryan@gmail.com>
Date: Sat, 19 Apr 2014 20:22:05 -0700
Subject: Move protocol functionality to separate file.

---
 dinobot.rb | 76 ++++++++++++++++++++++---------------------------------
 irc.rb     | 85 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 115 insertions(+), 46 deletions(-)
 create mode 100644 irc.rb

diff --git a/dinobot.rb b/dinobot.rb
index ce08b7c..ffb38f3 100644
--- a/dinobot.rb
+++ b/dinobot.rb
@@ -1,6 +1,7 @@
-require 'socket'
 require 'timeout'
 
+require_relative 'irc'
+
 module Dinobot
   class Bot
     attr_accessor :trigger
@@ -14,73 +15,42 @@ module Dinobot
 
       @trigger = '!'
 
-      @socket = nil
+      @irc = Dinobot::IRC.new(@server, @port, @nick, @pass)
       @modules = Hash.new
       @channels = Array.new
 
       instance_eval(&block) if block_given?
     end
 
-    def connect
-      log :info, "Connecting to #{@server}:#{@port}."
-      @socket = TCPSocket.new(@server, @port)
-
-      out "PASS #{@pass}" if @pass
-      out "NICK #{@nick}"
-      out "USER #{@nick} 0 * :#{@nick}"
+    def run
+      @irc.connect unless @irc.connected?
 
       @channels.each do |channel|
-        join channel
+        @irc.join channel
       end
-    end
 
-    def connected?
-      !(@socket.nil? || @socket.closed?)
-    end
-
-    def run
-      connect unless connected?
-
-      while str = @socket.gets.chomp
-        log :in, str.inspect
-
-        Thread.new do
-          begin
-            Timeout.timeout(30) do
-              parse_line(str)
-            end
-          rescue => e
-            log :error, "Error parsing line. (#{e})"
-            log :indent, *e.backtrace
-          end
-        end
+      while str = @irc.gets
+        parse_in_new_thread(str)
       end
 
-      @socket.close
+      @irc.disconnect
       log :info, 'Disconnected.'
     end
 
-    def out(str)
-      return unless connected?
-
-      log :out, str.inspect
-      @socket.puts str
-    end
-
     def say(channel, message)
-      out "PRIVMSG #{channel} :#{message}"
+      @irc.privmsg(channel, message)
     end
 
     def join(channel)
       @channels << channel unless @channels.include?(channel)
 
-      out "JOIN #{channel}"
+      @irc.join(channel) if @irc.connected?
     end
 
     def part(channel)
       @channels.delete(channel)
 
-      out "PART #{channel}"
+      @irc.part(channel)
     end
 
     def load_module(mod)
@@ -139,17 +109,31 @@ module Dinobot
 
     private
 
+    def parse_in_new_thread(str)
+      Thread.new do
+        begin
+          Timeout.timeout(30) do
+            parse_line(str.chomp)
+          end
+        rescue => e
+          log :error, "Error parsing line. (#{e})"
+          log :indent, *e.backtrace
+        end
+      end
+    end
+
     def parse_line(str)
-      out str.sub('PING', 'PONG') if str =~ /^PING /
+      @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)}/, '')
 
-        methods = exec_command(user, channel, message)
-        ensure_valid_methods(methods)
-        run_methods(methods)
+        if methods = exec_command(user, channel, message)
+          ensure_valid_methods(methods)
+          run_methods(methods)
+        end
       end
     end
 
diff --git a/irc.rb b/irc.rb
new file mode 100644
index 0000000..835694e
--- /dev/null
+++ b/irc.rb
@@ -0,0 +1,85 @@
+require 'socket'
+
+module Dinobot
+  class IRC
+    def initialize(server, port, nick, pass=nil)
+      @server = server
+      @port = port
+      @nick = nick
+      @pass = pass
+
+      @socket = nil
+    end
+
+    def connect
+      log :info, "Connecting to #{@server}:#{@port}."
+
+      @socket = TCPSocket.new(@server, @port)
+
+      puts "PASS #{@pass}" if @pass
+      puts "NICK #{@nick}"
+      puts "USER #{@nick} 0 * :#{@nick}"
+    end
+
+    def disconnect
+      @socket.close
+    end
+
+    def connected?
+      !(@socket.nil? || @socket.closed?)
+    end
+
+    def gets
+      str = @socket.gets
+
+      log :in, str.inspect
+
+      str
+    end
+
+    def puts(str)
+      log :out, str.inspect
+
+      @socket.puts str
+    end
+
+    def join(channel)
+      puts "JOIN #{channel}"
+    end
+
+    def part(channel)
+      puts "PART #{channel}"
+    end
+
+    def privmsg(channel, message)
+      puts "PRIVMSG #{channel} :#{message}"
+    end
+
+    def pong(message)
+      puts "PONG #{message}"
+    end
+
+    private
+
+    def log(type, *lines)
+      str = lines.join("\n")
+
+      case type
+      when :in
+        prefix = "\e[32m<<\e[0m "
+      when :out
+        prefix = "\e[36m>>\e[0m "
+      when :error
+        prefix = "\e[31m!!\e[0m "
+      when :info
+        prefix = "\e[33m==\e[0m "
+      when :indent
+        prefix = '   '
+      else
+        raise "unknown type specified -- #{type}"
+      end
+
+      Kernel.puts str.gsub(/^/, prefix)
+    end
+  end
+end
-- 
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