ghcup-hs/app/ghcup/BrickMain.hs

292 lines
8.8 KiB
Haskell

{-# LANGUAGE DataKinds #-}
{-# LANGUAGE QuasiQuotes #-}
{-# LANGUAGE TypeApplications #-}
{-# LANGUAGE TemplateHaskell #-}
{-# LANGUAGE OverloadedStrings #-}
module BrickMain where
import GHCup
import GHCup.Download
import GHCup.Errors
import GHCup.Types
import GHCup.Utils
import GHCup.Utils.File
import GHCup.Utils.Logger
import Brick
import Brick.Widgets.Border
import Brick.Widgets.Border.Style
import Brick.Widgets.Center
import Brick.Widgets.List
import Codec.Archive
import Control.Exception.Safe
import Control.Monad.Logger
import Control.Monad.Reader
import Control.Monad.Trans.Resource
import Data.Bool
import Data.Functor
import Data.List
import Data.Char
import Data.IORef
import Data.String.Interpolate
import Data.Vector ( Vector )
import Data.Versions hiding ( str )
import Haskus.Utils.Variant.Excepts
import Prelude hiding ( appendFile )
import System.Exit
import System.IO.Unsafe
import URI.ByteString
import qualified Data.Text as T
import qualified Graphics.Vty as Vty
import qualified Data.Vector as V
data AppState = AppState {
lr :: LR
, dls :: GHCupDownloads
}
type LR = GenericList String Vector ListResult
ui :: AppState -> Widget String
ui AppState {..} =
( padBottom Max
$ ( withBorderStyle unicode
$ borderWithLabel (str "GHCup")
$ (center $ renderList renderItem True lr)
)
)
<=> foldr1
(\x y -> x <+> str " " <+> y)
[ (str "q:Quit")
, (str "i:Install")
, (str "s:Set")
, (str "u:Uninstall")
, (str "c:ChangeLog")
, (str "↑↓:Navigation")
]
where
renderItem b ListResult {..} =
let marks = if
| lSet -> (withAttr "set" $ str "✔✔")
| lInstalled -> (withAttr "installed" $ str "")
| otherwise -> (withAttr "not-installed" $ str "")
ver = case lCross of
Nothing -> T.unpack . prettyVer $ lVer
Just c -> T.unpack (c <> "-" <> prettyVer lVer)
in ( marks
<+> ( padLeft (Pad 2)
$ minHSize 20
$ (withAttr
(bool "inactive" "active" b)
(str (fmap toLower . show $ lTool) <+> str " " <+> str ver)
)
)
<+> (padLeft (Pad 1) $ if null lTag
then str ""
else
foldr1 (\x y -> x <+> str "," <+> y)
$ (fmap printTag $ sort lTag)
)
)
printTag Recommended = withAttr "recommended" $ str "recommended"
printTag Latest = withAttr "latest" $ str "latest"
printTag (Base pvp'') = str ("base-" ++ T.unpack (prettyPVP pvp''))
printTag (UnknownTag t ) = str t
minHSize :: Int -> Widget n -> Widget n
minHSize s' = hLimit s' . vLimit 1 . (<+> str (replicate s' ' '))
app :: App AppState e String
app = App { appDraw = \st -> [ui st]
, appHandleEvent = eventHandler
, appStartEvent = return
, appAttrMap = const theMap
, appChooseCursor = neverShowCursor
}
where
theMap = attrMap
Vty.defAttr
[ ("active" , bg Vty.blue)
, ("not-installed", fg Vty.red)
, ("set" , fg Vty.green)
, ("installed" , fg Vty.green)
, ("recommended" , fg Vty.green)
, ("latest" , fg Vty.yellow)
]
eventHandler :: AppState -> BrickEvent n e -> EventM n (Next AppState)
eventHandler st (VtyEvent (Vty.EvResize _ _)) = continue st
eventHandler st (VtyEvent (Vty.EvKey (Vty.KChar 'q') _)) = halt st
eventHandler st (VtyEvent (Vty.EvKey Vty.KEsc _)) = halt st
eventHandler AppState {..} (VtyEvent (Vty.EvKey (Vty.KUp) _)) =
continue (AppState (listMoveUp lr) dls)
eventHandler AppState {..} (VtyEvent (Vty.EvKey (Vty.KDown) _)) =
continue (AppState (listMoveDown lr) dls)
eventHandler AppState { dls = dls', lr = lr' } (VtyEvent (Vty.EvKey (Vty.KChar c) _))
| (Just (ix, e)) <- listSelectedElement lr'
, c `elem` ['i', 's', 'u', 'c']
= suspendAndResume $ do
r <- case c of
'i' -> install' e dls'
's' -> set' e
'u' -> del' e
'c' -> changelog' e dls'
_ -> error ""
case r of
Left err -> throwIO $ userError err
Right _ -> do
apps <- (fmap . fmap)
(\AppState {..} -> AppState { lr = listMoveTo ix lr, .. })
getAppState
case apps of
Right as -> do
putStrLn "Press enter to continue"
_ <- getLine
pure as
Left err -> throwIO $ userError err
eventHandler st _ = continue st
install' :: ListResult -> GHCupDownloads -> IO (Either String ())
install' ListResult {..} dls = do
l <- readIORef logger'
let runLogger = myLoggerT l
let
run =
runLogger
. flip runReaderT settings
. runResourceT
. runE
@'[AlreadyInstalled, UnknownArchive, ArchiveResult, DistroNotFound, FileDoesNotExistError, CopyError, NoCompatibleArch, NoDownload, NotInstalled, NoCompatiblePlatform, BuildFailed, TagNotFound, DigestError, DownloadFailed, NoUpdate]
(run $ do
case lTool of
GHC -> liftE $ installGHCBin dls lVer Nothing
Cabal -> liftE $ installCabalBin dls lVer Nothing
GHCup -> liftE $ upgradeGHCup dls Nothing False $> ()
)
>>= \case
VRight _ -> pure $ Right ()
VLeft (V (AlreadyInstalled _ _)) -> pure $ Right ()
VLeft (V (BuildFailed _ e)) ->
pure $ Left [i|Build failed with #{e}|]
VLeft (V NoDownload) ->
pure $ Left [i|No available version for #{prettyVer lVer}|]
VLeft (V NoUpdate) -> pure $ Right ()
VLeft e -> pure $ Left [i|#{e}
Also check the logs in ~/.ghcup/logs|]
set' :: ListResult -> IO (Either String ())
set' ListResult {..} = do
l <- readIORef logger'
let runLogger = myLoggerT l
let run =
runLogger
. flip runReaderT settings
. runE @'[FileDoesNotExistError, NotInstalled, TagNotFound]
(run $ do
case lTool of
GHC -> liftE $ setGHC (GHCTargetVersion lCross lVer) SetGHCOnly $> ()
Cabal -> liftE $ setCabal lVer $> ()
GHCup -> pure ()
)
>>= \case
VRight _ -> pure $ Right ()
VLeft e -> pure $ Left [i|#{e}|]
del' :: ListResult -> IO (Either String ())
del' ListResult {..} = do
l <- readIORef logger'
let runLogger = myLoggerT l
let run = runLogger . flip runReaderT settings . runE @'[NotInstalled]
(run $ do
case lTool of
GHC -> liftE $ rmGHCVer (GHCTargetVersion lCross lVer) $> ()
Cabal -> liftE $ rmCabalVer lVer $> ()
GHCup -> pure ()
)
>>= \case
VRight _ -> pure $ Right ()
VLeft e -> pure $ Left [i|#{e}|]
changelog' :: ListResult -> GHCupDownloads -> IO (Either String ())
changelog' ListResult {..} dls = do
case getChangeLog dls lTool (Left lVer) of
Nothing -> pure $ Left
[i|Could not find ChangeLog for #{lTool}, version #{prettyVer lVer}|]
Just uri -> do
exec "xdg-open" True [serializeURIRef' uri] Nothing Nothing >>= \case
Right _ -> pure $ Right ()
Left e -> pure $ Left [i|#{e}|]
settings :: Settings
settings = Settings { cache = True
, noVerify = False
, keepDirs = Never
, downloader = Curl
}
logger' :: IORef LoggerConfig
{-# NOINLINE logger' #-}
logger' = unsafePerformIO
(newIORef $ LoggerConfig { lcPrintDebug = False
, colorOutter = \_ -> pure ()
, rawOutter = \_ -> pure ()
}
)
brickMain :: LoggerConfig -> IO ()
brickMain l = do
-- logger interpreter
writeIORef logger' l
let runLogger = myLoggerT l
eApps <- getAppState
case eApps of
Right as -> defaultMain app as $> ()
Left _ -> do
runLogger ($(logError) [i|Error building app state|])
exitWith $ ExitFailure 2
getAppState :: IO (Either String AppState)
getAppState = do
l <- readIORef logger'
let runLogger = myLoggerT l
r <-
runLogger
. flip runReaderT settings
. runE
@'[JSONError, DownloadFailed, FileDoesNotExistError, NoCompatiblePlatform, NoCompatibleArch, DistroNotFound]
$ do
(GHCupInfo _ dls) <- liftE $ getDownloadsF GHCupURL
lV <- liftE $ listVersions dls Nothing Nothing
pure $ (AppState (list "Tool versions" (V.fromList lV) 1) dls)
case r of
VRight a -> pure $ Right a
VLeft e -> pure $ Left [i|#{e}|]