hask-irc/Network/IRC/Handlers.hs

49 lines
1.7 KiB
Haskell

{-# LANGUAGE RecordWildCards, OverloadedStrings, NoImplicitPrelude, FlexibleContexts #-}
module Network.IRC.Handlers (coreMsgHandlerNames, getMsgHandler) where
import qualified Network.IRC.Handlers.MessageLogger as L
import qualified Network.IRC.Handlers.SongSearch as SS
import ClassyPrelude
import Control.Monad.Reader
import Data.Text (strip)
import Network.IRC.Types
clean :: Text -> Text
clean = toLower . strip
coreMsgHandlerNames :: [Text]
coreMsgHandlerNames = ["pingpong", "messagelogger"]
getMsgHandler :: MsgHandlerName -> Maybe MsgHandler
getMsgHandler "greeter" = Just $ newMsgHandler { msgHandlerRun = greeter }
getMsgHandler "welcomer" = Just $ newMsgHandler { msgHandlerRun = welcomer }
getMsgHandler "pingpong" = Just $ newMsgHandler { msgHandlerRun = pingPong }
getMsgHandler name = listToMaybe $ mapMaybe (\f -> f name)
[L.getMsgHandler, SS.getMsgHandler]
pingPong :: MonadMsgHandler m => Message -> m (Maybe Command)
pingPong Ping { .. } = return . Just $ Pong msg
pingPong _ = return Nothing
greeter :: MonadMsgHandler m => Message -> m (Maybe Command)
greeter ChannelMsg { .. } = case find (== clean msg) greetings of
Nothing -> return Nothing
Just greeting -> return . Just . ChannelMsgReply $ greeting ++ " " ++ userNick user
where
greetings = ["hi", "hello", "hey", "sup", "bye"
, "good morning", "good evening", "good night"
, "ohayo", "oyasumi"]
greeter _ = return Nothing
welcomer :: MonadMsgHandler m => Message -> m (Maybe Command)
welcomer JoinMsg { .. } = do
BotConfig { .. } <- ask
if userNick user /= botNick
then return . Just . ChannelMsgReply $ "welcome back " ++ userNick user
else return Nothing
welcomer _ = return Nothing