From 00e81b5a2c6ddd5a5caf4934a8ee32b1281ccc53 Mon Sep 17 00:00:00 2001
From: tv <tv@krebsco.de>
Date: Tue, 23 May 2017 21:06:04 +0200
Subject: move most functionality from ircout to Kirk.Simple

---
 Kirk/Simple.hs | 49 +++++++++++++++++++++++++++++++++++++++++++++++++
 ircout.hs      | 50 ++++++++++----------------------------------------
 2 files changed, 59 insertions(+), 40 deletions(-)
 create mode 100644 Kirk/Simple.hs

diff --git a/Kirk/Simple.hs b/Kirk/Simple.hs
new file mode 100644
index 0000000..6ed0239
--- /dev/null
+++ b/Kirk/Simple.hs
@@ -0,0 +1,49 @@
+{-# LANGUAGE OverloadedStrings #-}
+{-# LANGUAGE RecordWildCards #-}
+
+module Kirk.Simple where
+
+import Control.Exception.Base (finally)
+import Control.Monad (forever,unless)
+import Data.List (intercalate,null)
+import Data.Monoid
+import Data.Text (isPrefixOf,pack,replace,unpack)
+import Network (withSocketsDo,PortID(..),connectTo)
+import System.IO (hSetBuffering,hSetNewlineMode,hPutStrLn,hClose,hGetLine,BufferMode(LineBuffering),universalNewlineMode,Handle)
+
+import Kirk.Config
+
+
+run :: Config -> (Handle -> IO a) -> IO a
+run Config{..} f =
+    withSocketsDo $ do
+      h <- connectTo server_hostname (PortNumber server_port)
+      (`finally` hClose h) $ do
+        hSetNewlineMode h universalNewlineMode
+        hSetBuffering h LineBuffering
+        f h
+
+
+handshake :: Config -> Handle -> IO ()
+handshake Config{..} h = do
+    hPutStrLn h ("NICK " ++ nick)
+    hPutStrLn h ("USER " ++ nick ++ " * 0 :" ++ nick)
+    unless (null channels) $ hPutStrLn h ("JOIN " ++ channels)
+  where
+    channels = intercalate "," $ filter ((=='#') . head) msgtarget
+
+
+ircAgent :: Config -> Handle -> IO ()
+ircAgent Config{..} h = forever $ do
+    line <- hGetLine h
+    if (isPrefixOf "PING" (pack line)) then
+      hPutStrLn h (unpack (replace "PING" "PONG" (pack line)))
+    else
+      print line
+
+
+privmsg :: Config -> Handle -> String -> IO ()
+privmsg Config{..} h text =
+    hPutStrLn h ("PRIVMSG " <> msgtarget' <> " :" <> text)
+  where
+    msgtarget' = intercalate "," msgtarget
diff --git a/ircout.hs b/ircout.hs
index 3edf388..9b3de60 100644
--- a/ircout.hs
+++ b/ircout.hs
@@ -1,50 +1,20 @@
-{-# LANGUAGE OverloadedStrings #-}
-{-# LANGUAGE RecordWildCards #-}
+module Main where
 
-import Control.Concurrent.Async (race)
-import Control.Exception.Base (finally)
-import Control.Monad (forever,unless)
-import Data.List (intercalate,null)
-import Data.Text (isPrefixOf,pack,replace,unpack)
-import Network (withSocketsDo,PortID(..),connectTo)
-import qualified Data.ByteString.Char8 as BS8
-import System.IO (hSetBuffering,hSetNewlineMode,hPutStrLn,hClose,hGetLine,BufferMode(LineBuffering),universalNewlineMode,Handle)
+import Control.Concurrent.Async
+import Control.Monad (forever)
+import System.IO (Handle)
 
 import Kirk.Config
+import Kirk.Simple
 
 
 main :: IO ()
 main = do
-  c@Config{..} <- parseConfigFromArgs
-  withSocketsDo $ do
-    h <- connectTo server_hostname (PortNumber server_port)
-    (`finally` hClose h) $ do
-      hSetNewlineMode h universalNewlineMode
-      hSetBuffering h LineBuffering
-      handshake c h >> race (ircAgent c h) (stdinForwarder c h) >>= print
-
-
-handshake :: Config -> Handle -> IO ()
-handshake Config{..} h = do
-    hPutStrLn h ("NICK " ++ nick)
-    hPutStrLn h ("USER " ++ nick ++ " * 0 :" ++ nick)
-    unless (null channels) $ hPutStrLn h ("JOIN " ++ channels)
-  where
-    channels = intercalate "," $ filter ((=='#') . head) msgtarget
-
-
-ircAgent :: Config -> Handle -> IO ()
-ircAgent Config{..} h = forever $ do
-    line <- hGetLine h
-    if (isPrefixOf "PING" (pack line)) then
-      hPutStrLn h (unpack (replace "PING" "PONG" (pack line)))
-    else
-      print line
+    c <- parseConfigFromArgs
+    r <- run c $ \h ->
+      handshake c h >> race (ircAgent c h) (stdinForwarder c h)
+    print r
 
 
 stdinForwarder :: Config -> Handle -> IO ()
-stdinForwarder Config{..} h = forever $ do
-    line <- BS8.getLine
-    hPutStrLn h ("PRIVMSG " ++ msgtarget' ++ " :" ++ BS8.unpack line)
-  where
-    msgtarget' = intercalate "," msgtarget
+stdinForwarder c h = forever (getLine >>= privmsg c h)
-- 
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