148 lines
6.6 KiB
Haskell
148 lines
6.6 KiB
Haskell
{-# LANGUAGE DeriveDataTypeable #-}
|
|
{-# LANGUAGE GeneralizedNewtypeDeriving #-}
|
|
{-# LANGUAGE NoImplicitPrelude #-}
|
|
{-# LANGUAGE OverloadedStrings #-}
|
|
{-# LANGUAGE RecordWildCards #-}
|
|
{-# LANGUAGE TemplateHaskell #-}
|
|
{-# LANGUAGE TypeFamilies #-}
|
|
|
|
module Network.IRC.Handlers.NickTracker (mkMsgHandler) where
|
|
|
|
import qualified Data.IxSet as IS
|
|
import qualified Data.UUID as U
|
|
import qualified Data.UUID.V4 as U
|
|
|
|
import ClassyPrelude
|
|
import Control.Concurrent.Lifted (Chan)
|
|
import Control.Monad.Reader (ask)
|
|
import Control.Monad.State (get, put)
|
|
import Data.Acid (AcidState, Query, Update, makeAcidic, query, update,
|
|
openLocalState, createArchive)
|
|
import Data.Acid.Local (createCheckpointAndClose)
|
|
import Data.IxSet (getOne, (@=))
|
|
|
|
import Network.IRC.Handlers.NickTracker.Types
|
|
import Network.IRC.Types hiding (Nick)
|
|
import Network.IRC.Util
|
|
|
|
getByNick :: Nick -> Query NickTracking (Maybe NickTrack)
|
|
getByNick nick = do
|
|
NickTracking { .. } <- ask
|
|
return . getOne $ nickTracking @= nick
|
|
|
|
getByCanonicalNick :: CanonicalNick -> Query NickTracking [NickTrack]
|
|
getByCanonicalNick canonicalNick = do
|
|
NickTracking { .. } <- ask
|
|
return . IS.toList $ nickTracking @= canonicalNick
|
|
|
|
--getLastSeenOn :: CanonicalNick -> Query NickTracking LastSeenOn
|
|
--getLastSeenOn = liftM (minimumEx . map lastSeenOn) . getByCanonicalNick
|
|
|
|
saveNickTrack :: NickTrack -> Update NickTracking ()
|
|
saveNickTrack nt = do
|
|
NickTracking { .. } <- get
|
|
put . NickTracking $ IS.updateIx (nick nt) nt nickTracking
|
|
|
|
$(makeAcidic ''NickTracking ['getByNick, 'getByCanonicalNick, 'saveNickTrack])
|
|
|
|
nickTrackerMsg :: MonadMsgHandler m => IORef (AcidState NickTracking) -> Message -> m (Maybe Command)
|
|
nickTrackerMsg state = go
|
|
where
|
|
go ChannelMsg { .. } = updateNickTrack user msg msgTime >> handleCommands msg
|
|
go ActionMsg { .. } = updateNickTrack user msg msgTime >> return Nothing
|
|
go JoinMsg { .. } = updateNickTrack user "" msgTime >> return Nothing
|
|
go PartMsg { .. } = updateNickTrack user msg msgTime >> return Nothing
|
|
go QuitMsg { .. } = updateNickTrack user msg msgTime >> return Nothing
|
|
go NickMsg { .. } = handleNickChange user newNick msgTime >> return Nothing
|
|
go _ = return Nothing
|
|
|
|
updateNickTrack user message msgTime = liftIO $ do
|
|
acid <- readIORef state
|
|
let nck = userNick user
|
|
mnt <- query acid . GetByNick $ Nick nck
|
|
(message', lastMessageOn', cn) <- case (message, mnt) of
|
|
("", Just (NickTrack { .. })) -> return (lastMessage, lastMessageOn, canonicalNick)
|
|
(_, Just (NickTrack { .. })) -> return (message, msgTime, canonicalNick)
|
|
_ -> do
|
|
cn <- map (CanonicalNick . pack . U.toString) U.nextRandom
|
|
return (message, msgTime, cn)
|
|
|
|
update acid . SaveNickTrack $
|
|
NickTrack (Nick nck) cn (LastSeenOn msgTime) lastMessageOn' message'
|
|
|
|
handleNickChange user newNick msgTime = liftIO $ do
|
|
acid <- readIORef state
|
|
let prevNick = userNick user
|
|
mpnt <- query acid . GetByNick $ Nick prevNick
|
|
mnt <- query acid . GetByNick $ Nick newNick
|
|
mInfo <- case (mpnt, mnt) of
|
|
(Nothing, _) -> do
|
|
cn <- map (CanonicalNick . pack . U.toString) U.nextRandom
|
|
return $ Just ("", cn, msgTime)
|
|
(Just nt, Nothing) -> return $ Just (lastMessage nt, canonicalNick nt, lastMessageOn nt)
|
|
_ -> return Nothing
|
|
whenJust mInfo $ \(message, cn, lastMessageOn') ->
|
|
update acid . SaveNickTrack $
|
|
NickTrack (Nick newNick) cn (LastSeenOn msgTime) lastMessageOn' message
|
|
|
|
commands = [ ("!nick", handleNickCommand)
|
|
, ("!seen", handleSeenCommand) ]
|
|
handleCommands message = case find ((`isPrefixOf` message) . fst) commands of
|
|
Nothing -> return Nothing
|
|
Just (_, handler) -> handler state message
|
|
|
|
withCanonicalNick :: MonadMsgHandler m => IORef (AcidState NickTracking)
|
|
-> Text
|
|
-> (AcidState NickTracking -> Text -> CanonicalNick -> IO Text)
|
|
-> m (Maybe Command)
|
|
withCanonicalNick state msg f = liftIO $ do
|
|
acid <- readIORef state
|
|
let nck = clean . unwords . drop 1 . words $ msg
|
|
mcn <- liftM (map canonicalNick) . query acid . GetByNick $ Nick nck
|
|
resp <- case mcn of
|
|
Nothing -> return $ "Unknown nick: " ++ nck
|
|
Just cn -> liftIO $ f acid nck cn
|
|
return . Just . ChannelMsgReply $ resp
|
|
|
|
handleNickCommand :: MonadMsgHandler m => IORef(AcidState NickTracking) -> Text -> m (Maybe Command)
|
|
handleNickCommand state msg = withCanonicalNick state msg $ \acid nck canonicalNick -> do
|
|
nicks <- liftM (map ((\(Nick n) -> n) . nick)) . query acid . GetByCanonicalNick $ canonicalNick
|
|
if length nicks == 1
|
|
then return $ nck ++ " has only one nick"
|
|
else return $ nck ++ "'s other nicks are: " ++ intercalate ", " (filter (/= nck) nicks)
|
|
|
|
handleSeenCommand :: MonadMsgHandler m => IORef(AcidState NickTracking) -> Text -> m (Maybe Command)
|
|
handleSeenCommand state msg = withCanonicalNick state msg $ \acid nick canonicalNick -> do
|
|
nts <- query acid . GetByCanonicalNick $ canonicalNick
|
|
let NickTrack { lastSeenOn = LastSeenOn lastSeenOn'
|
|
, nick = Nick lastSeenAs } = maximumByEx (comparing lastSeenOn) nts
|
|
let NickTrack { lastMessageOn = lastMessageOn'
|
|
, lastMessage = lastMessage'
|
|
, nick = Nick lastMessageAs } = maximumByEx (comparing lastMessageOn) nts
|
|
|
|
return $ nick ++ " was last seen on " ++ fmtTime lastSeenOn' ++
|
|
(if nick /= lastSeenAs then " as " ++ lastSeenAs else "") ++
|
|
" and at " ++ fmtTime lastMessageOn' ++ " " ++ nick ++
|
|
(if nick /= lastMessageAs then " as " ++ lastMessageAs else "") ++
|
|
" said: " ++ lastMessage'
|
|
where
|
|
fmtTime = pack . formatTime defaultTimeLocale "%F %T"
|
|
|
|
stopNickTracker :: MonadMsgHandler m => IORef (AcidState NickTracking) -> m ()
|
|
stopNickTracker state = liftIO $ do
|
|
acid <- readIORef state
|
|
createArchive acid
|
|
createCheckpointAndClose acid
|
|
|
|
mkMsgHandler :: BotConfig -> Chan SomeEvent -> MsgHandlerName -> IO (Maybe MsgHandler)
|
|
mkMsgHandler BotConfig { .. } _ "nicktracker" = do
|
|
state <- liftIO (openLocalState emptyNickTracking >>= newIORef)
|
|
return . Just $ newMsgHandler { onMessage = nickTrackerMsg state
|
|
, onStop = stopNickTracker state
|
|
, onHelp = return $ mapFromList helpMsgs}
|
|
where
|
|
helpMsgs = mapFromList [
|
|
("!nick", "Shows the user's other nicks. !nick <user nick>"),
|
|
("!seen", "Lets you know when a user was last seen online and last spoke in the channel. !seen <user nick>") ]
|
|
mkMsgHandler _ _ _ = return Nothing
|