From bcbd631f877ffc0e070500cfb13b6346fe4fa4a5 Mon Sep 17 00:00:00 2001
From: Giuseppe Bilotta <giuseppe.bilotta@gmail.com>
Date: Mon, 5 Feb 2007 10:49:58 +0000
Subject: linkbot plugins to properly delegate messages from linkbots

---
 ChangeLog                    |  4 +++
 data/rbot/plugins/linkbot.rb | 65 ++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 69 insertions(+)
 create mode 100644 data/rbot/plugins/linkbot.rb

diff --git a/ChangeLog b/ChangeLog
index b6df965e..0f61dec0 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -20,6 +20,10 @@
 		from the next lines (defaults to true).
 		* If :overlong is set to :truncate, the value of the option
 		:truncate_text is replaced at the end of the truncated line
+	* LinkBot plugin: initial commit of a plugin to handle messages from
+	eggdrops and other bots that act as cross-network channel links.
+	Suggested by hagabaka (Yaohan Chen <yaohan.chen@gmail.com>)
+
 
 2007-02-03  Giuseppe Bilotta <giuseppe.bilotta@gmail.com>
 
diff --git a/data/rbot/plugins/linkbot.rb b/data/rbot/plugins/linkbot.rb
new file mode 100644
index 00000000..624d241d
--- /dev/null
+++ b/data/rbot/plugins/linkbot.rb
@@ -0,0 +1,65 @@
+#-- vim:sw=2:et
+#++
+#
+# Author: Giuseppe "Oblomov" Bilotta <giuseppe.bilotta@gmail.com>
+# Copyright (C) 2006 Giuseppe Bilotta
+#
+# Based on an idea by hagabaka (Yaohan Chen <yaohan.chen@gmail.com>)
+#
+# This plugin is used to grab messages from eggdrops (or other bots) that link
+# channels from different networks. For the time being, a PRIVMSG echoed by an
+# eggdrop is assumed to be in the form:
+#    <eggdrop> (nick@network) text of the message
+# (TODO make it configurable) and it's fed back to the message delegators.
+#
+# This plugin also shows how to create 'fake' messages from a plugin, letting
+# the bot parse them.
+# TODO a possible enhancement to the Irc framework could be to create 'fake'
+# servers to make this even easier.
+class LinkBot < Plugin
+  BotConfig.register BotConfigArrayValue.new('linkbot.nicks',
+    :default => [],
+    :desc => "Nick(s) of the bots that act as channel links across networks")
+
+  # Initialize the plugin
+  def initialize
+    super
+  end
+
+  # Main method
+  def listen(m)
+    linkbots = @bot.config['linkbot.nicks']
+    return if linkbots.empty?
+    return unless linkbots.include?(m.sourcenick)
+    return unless m.kind_of?(PrivMessage)
+    # Now we know that _m_ is a PRIVMSG from a linkbot. Let's split it
+    # in nick, network, message
+    if m.message.match(/^\((\w+?)@(\w+?)\)\s+(.*)$/)
+      new_nick = $1
+      network = $2
+      message = $3
+
+      debug "#{m.sourcenick} reports that #{new_nick} said #{message.inspect} on #{network}"
+      # One way to pass the new message back to the bot is to create a PrivMessage
+      # and delegate it to the plugins
+      new_m = PrivMessage.new(@bot, m.server, m.server.user(new_nick), m.target, message)
+      @bot.plugins.delegate "listen", new_m
+      @bot.plugins.privmsg(new_m) if new_m.address?
+
+      ## Another way is to create a data Hash with source, target and message keys
+      ## and then letting the bot client :privmsg handler handle it
+      ## Note that this will also create irclog entries for the fake PRIVMSG
+      ## TODO we could probably add a :no_irc_log entry to the data passed to the
+      ## @bot.client handlers, or something like that
+      # data = {
+      #   :source => m.server.user(new_nick)
+      #   :target => m.target
+      #   :message => message
+      # }
+      # @bot.client[:privmsg].call(data)
+    end
+  end
+end
+
+plugin = LinkBot.new
+
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