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−module HandlerUtils where
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−
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−import Control.Monad.Reader
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−import qualified Data.ByteString.Char8 as B
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−import Data.List
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−
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−import RoomsAndClients
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−import CoreTypes
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−import Actions
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−
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−thisClient :: Reader (ClientIndex, IRnC) ClientInfo
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−thisClient = do
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−    (ci, rnc) <- ask
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−    return $ rnc `client` ci
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−
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−thisRoom :: Reader (ClientIndex, IRnC) RoomInfo
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−thisRoom = do
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−    (ci, rnc) <- ask
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−    let ri = clientRoom rnc ci
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−    return $ rnc `room` ri
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−
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−clientNick :: Reader (ClientIndex, IRnC) B.ByteString
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−clientNick = liftM nick thisClient
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−
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−roomOthersChans :: Reader (ClientIndex, IRnC) [ClientChan]
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−roomOthersChans = do
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−    (ci, rnc) <- ask
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−    let ri = clientRoom rnc ci
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−    return $ map (sendChan . client rnc) $ filter (/= ci) (roomClients rnc ri)
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−
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−roomSameClanChans :: Reader (ClientIndex, IRnC) [ClientChan]
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−roomSameClanChans = do
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−    (ci, rnc) <- ask
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−    let ri = clientRoom rnc ci
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−    let otherRoomClients = map (client rnc) . filter (/= ci) $ roomClients rnc ri
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−    let cl = rnc `client` ci
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−    let sameClanClients = Prelude.filter (\c -> clientClan c == clientClan cl) otherRoomClients
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−    return $ map sendChan sameClanClients
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−
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−roomClientsChans :: Reader (ClientIndex, IRnC) [ClientChan]
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−roomClientsChans = do
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−    (ci, rnc) <- ask
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−    let ri = clientRoom rnc ci
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−    return $ map (sendChan . client rnc) (roomClients rnc ri)
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−
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−thisClientChans :: Reader (ClientIndex, IRnC) [ClientChan]
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−thisClientChans = do
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−    (ci, rnc) <- ask
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−    return [sendChan (rnc `client` ci)]
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−
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−sameProtoChans :: Reader (ClientIndex, IRnC) [ClientChan]
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−sameProtoChans = do
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−    (ci, rnc) <- ask
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−    let p = clientProto (rnc `client` ci)
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−    return . map sendChan . filter (\c -> clientProto c == p) . map (client rnc) $ allClients rnc
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−
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−answerClient :: [B.ByteString] -> Reader (ClientIndex, IRnC) [Action]
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−answerClient msg = liftM ((: []) . flip AnswerClients msg) thisClientChans
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−
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−allRoomInfos :: Reader (a, IRnC) [RoomInfo]
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−allRoomInfos = liftM ((\irnc -> map (room irnc) $ allRooms irnc) . snd) ask
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−
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−clientByNick :: B.ByteString -> Reader (ClientIndex, IRnC) (Maybe ClientIndex)
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−clientByNick n = do
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−    (_, rnc) <- ask
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−    let allClientIDs = allClients rnc
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−    return $ find (\clId -> n == nick (client rnc clId)) allClientIDs
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−