From c1662ba7b982a8502dc9f32031b7cb518df7f60e Mon Sep 17 00:00:00 2001
From: Julien Dessaux
Date: Sun, 16 May 2010 00:01:00 +0200
Subject: Rewrote nearly everything!

* Rewrote the whole architecture to achieve extreme modularity
* Added the ability to build a multiprotocol bot
* Added cabal integration
* Added configuration handling the XMonad style
* Added configuration in ~/.hsbot
* Refactored many many named and functions
* Refactored data structures
* Cleaned a big bunch of stuff
---
 Hsbot/Irc/PluginCommons.hs | 67 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 67 insertions(+)
 create mode 100644 Hsbot/Irc/PluginCommons.hs

(limited to 'Hsbot/Irc/PluginCommons.hs')

diff --git a/Hsbot/Irc/PluginCommons.hs b/Hsbot/Irc/PluginCommons.hs
new file mode 100644
index 0000000..71f00a4
--- /dev/null
+++ b/Hsbot/Irc/PluginCommons.hs
@@ -0,0 +1,67 @@
+module Hsbot.Irc.PluginCommons
+    ( IrcPlugin
+    , IrcPluginState (..)
+    , answerMsg
+    , readMsg
+    , sendCommand
+    , sendCommandWithRequest
+    , sendRegisterCommand
+    , sendUnregisterCommand
+    , writeMsg
+    ) where
+
+import Control.Concurrent
+import Control.Concurrent.Chan ()
+import Control.Monad.State
+import Data.Maybe (fromMaybe)
+
+import Hsbot.Irc.Message
+
+-- | The IrcPlugin monad
+type IrcPlugin = StateT IrcPluginState IO
+
+-- | A plugin state
+data IrcPluginState = IrcPluginState
+    { ircPluginName       :: String         -- The plugin's name
+    , ircPluginThreadId   :: ThreadId       -- The plugin thread
+    , ircPluginChan       :: Chan IrcBotMsg -- The plugin chan
+    , ircPluginMasterChan :: Chan IrcBotMsg -- The master's chan
+    }
+
+--- | Basic input output for IrcPlugins
+readMsg :: IrcPlugin (IrcBotMsg)
+readMsg = do
+   chan  <- gets ircPluginChan
+   input <- liftIO $ readChan chan
+   return input
+
+writeMsg :: IrcBotMsg -> IrcPlugin ()
+writeMsg (OutIrcMsg msg) = do
+   chan <- gets ircPluginMasterChan
+   liftIO $ writeChan chan (OutIrcMsg msg)
+writeMsg _ = return ()
+
+answerMsg :: IrcMsg -> String -> IrcPlugin ()
+answerMsg request msg = do
+    let chanOrigin = head $ ircMsgParameters request
+        sender     = takeWhile (/= '!') $ fromMaybe "" (ircMsgPrefix request)
+    case head chanOrigin of
+        '#' -> writeMsg . OutIrcMsg $ IrcMsg Nothing "PRIVMSG" [chanOrigin, msg]
+        _   -> writeMsg . OutIrcMsg $ IrcMsg Nothing "PRIVMSG" [sender, msg]
+
+-- | Command management
+sendCommand :: String -> String -> String -> IrcPlugin ()
+sendCommand cmd to params = sendCommandWithRequest cmd to params emptyIrcMsg
+
+sendCommandWithRequest :: String -> String -> String -> IrcMsg -> IrcPlugin ()
+sendCommandWithRequest cmd to params originalRequest = do
+    masterChan <- gets ircPluginMasterChan
+    from       <- gets ircPluginName
+    liftIO . writeChan masterChan . IntIrcCmd $ IrcCmd cmd from to params originalRequest
+
+sendRegisterCommand :: String -> IrcPlugin ()
+sendRegisterCommand cmd = sendCommand "REGISTER" "CORE" cmd
+
+sendUnregisterCommand :: String -> IrcPlugin ()
+sendUnregisterCommand cmd = sendCommand "UNREGISTER" "CORE" cmd
+
-- 
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