461 lines
17 KiB
Haskell
461 lines
17 KiB
Haskell
{-# LANGUAGE CPP #-}
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{-# LANGUAGE DataKinds #-}
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{-# LANGUAGE FlexibleContexts #-}
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{-# LANGUAGE OverloadedStrings #-}
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{-# LANGUAGE TypeApplications #-}
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{-# LANGUAGE RankNTypes #-}
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{-# OPTIONS_GHC -Wno-unused-record-wildcards #-}
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{-# OPTIONS_GHC -Wno-unused-matches #-}
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{-# LANGUAGE FlexibleInstances #-}
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{-# LANGUAGE MultiParamTypeClasses #-}
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module GHCup.Brick.Actions where
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import GHCup
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import GHCup.Download
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import GHCup.Errors
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import GHCup.Types.Optics ( getDirs, getPlatformReq )
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import GHCup.Types hiding ( LeanAppState(..) )
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import GHCup.Utils
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import GHCup.OptParse.Common (logGHCPostRm)
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import GHCup.Prelude ( decUTF8Safe )
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import GHCup.Prelude.Logger
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import GHCup.Prelude.Process
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import GHCup.Prompts
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import GHCup.Brick.Common (BrickData(..), BrickSettings(..), Name(..), Mode(..))
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import qualified GHCup.Brick.Common as Common
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import GHCup.Brick.BrickState
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import GHCup.Brick.Widgets.SectionList
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import GHCup.Brick.Widgets.Navigation (BrickInternalState)
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import qualified Brick
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import qualified Brick.Widgets.List as L
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import qualified Brick.Focus as F
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import Control.Applicative
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import Control.Exception.Safe
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#if !MIN_VERSION_base(4,13,0)
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import Control.Monad.Fail ( MonadFail )
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#endif
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import Control.Monad.Reader
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import Control.Monad.Trans.Except
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import Control.Monad.Trans.Resource
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import Data.Bool
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import Data.Functor
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import Data.Function ( (&), on)
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import Data.List
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import Data.Maybe
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import Data.IORef (IORef, readIORef, newIORef, modifyIORef)
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import Data.Versions hiding (Lens')
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import Haskus.Utils.Variant.Excepts
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import Prelude hiding ( appendFile )
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import System.Exit
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import System.IO.Unsafe
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import System.Process ( system )
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import Text.PrettyPrint.HughesPJClass ( prettyShow )
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import URI.ByteString
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import qualified Data.Text as T
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import qualified Data.Text.Lazy.Builder as B
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import qualified Data.Text.Lazy as L
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import qualified Graphics.Vty as Vty
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import qualified Data.Vector as V
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import System.Environment (getExecutablePath)
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#if !IS_WINDOWS
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import GHCup.Prelude.File
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import System.FilePath
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import qualified System.Posix.Process as SPP
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#endif
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import Optics.State (use)
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import Optics.State.Operators ( (.=))
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import Optics.Operators ((.~),(%~))
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import Optics.Getter (view)
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{- Core Logic.
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This module defines the IO actions we can execute within the Brick App:
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- Install
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- Set
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- UnInstall
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- Launch the Changelog
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-}
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-- | Update app data and list internal state based on new evidence.
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-- This synchronises @BrickInternalState@ with @BrickData@
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-- and @BrickSettings@.
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updateList :: BrickData -> BrickState -> BrickState
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updateList appD BrickState{..} =
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let newInternalState = constructList appD _appSettings (Just _appState)
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in BrickState { _appState = newInternalState
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, _appData = appD
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, _appSettings = _appSettings
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, _appKeys = _appKeys
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, _mode = Navigation
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}
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constructList :: BrickData
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-> BrickSettings
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-> Maybe BrickInternalState
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-> BrickInternalState
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constructList appD settings =
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replaceLR (filterVisible (_showAllVersions settings))
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(_lr appD)
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-- | Focus on the tool section and the predicate which matches. If no result matches, focus on index 0
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selectBy :: Tool -> (ListResult -> Bool) -> BrickInternalState -> BrickInternalState
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selectBy tool predicate internal_state =
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let new_focus = F.focusSetCurrent (Singular tool) (view sectionListFocusRingL internal_state)
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tool_lens = sectionL (Singular tool)
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in internal_state
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& sectionListFocusRingL .~ new_focus
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& tool_lens %~ L.listMoveTo 0 -- We move to 0 first
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& tool_lens %~ L.listFindBy predicate -- The lookup by the predicate.
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-- | Select the latests GHC tool
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selectLatest :: BrickInternalState -> BrickInternalState
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selectLatest = selectBy GHC (elem Latest . lTag)
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-- | Replace the @appState@ or construct it based on a filter function
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-- and a new @[ListResult]@ evidence.
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-- When passed an existing @appState@, tries to keep the selected element.
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replaceLR :: (ListResult -> Bool)
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-> [ListResult]
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-> Maybe BrickInternalState
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-> BrickInternalState
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replaceLR filterF list_result s =
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let oldElem = s >>= sectionListSelectedElement -- Maybe (Int, e)
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newVec = [(Singular $ lTool (head g), V.fromList g) | g <- groupBy ((==) `on` lTool ) (filter filterF list_result)]
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newSectionList = sectionList AllTools newVec 1
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in case oldElem of
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Just (_, el) -> selectBy (lTool el) (toolEqual el) newSectionList
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Nothing -> selectLatest newSectionList
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where
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toolEqual e1 e2 =
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lTool e1 == lTool e2 && lVer e1 == lVer e2 && lCross e1 == lCross e2
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filterVisible :: Bool -> ListResult -> Bool
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filterVisible v e | lInstalled e = True
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| v
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, Nightly `notElem` lTag e = True
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| not v
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, Old `notElem` lTag e
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, Nightly `notElem` lTag e = True
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| otherwise = (Old `notElem` lTag e) &&
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(Nightly `notElem` lTag e)
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-- | Suspend the current UI and run an IO action in terminal. If the
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-- IO action returns a Left value, then it's thrown as userError.
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withIOAction :: (Ord n, Eq n)
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=> ( (Int, ListResult) -> ReaderT AppState IO (Either String a))
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-> Brick.EventM n BrickState ()
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withIOAction action = do
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as <- Brick.get
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case sectionListSelectedElement (view appState as) of
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Nothing -> pure ()
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Just (curr_ix, e) -> do
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Brick.suspendAndResume $ do
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settings <- readIORef settings'
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flip runReaderT settings $ action (curr_ix, e) >>= \case
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Left err -> liftIO $ putStrLn ("Error: " <> err)
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Right _ -> liftIO $ putStrLn "Success"
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getAppData Nothing >>= \case
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Right data' -> do
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putStrLn "Press enter to continue"
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_ <- getLine
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pure (updateList data' as)
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Left err -> throwIO $ userError err
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install' :: (MonadReader AppState m, MonadIO m, MonadThrow m, MonadFail m, MonadMask m, MonadUnliftIO m, Alternative m)
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=> (Int, ListResult)
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-> m (Either String ())
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install' (_, ListResult {..}) = do
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AppState { ghcupInfo = GHCupInfo { _ghcupDownloads = dls }} <- ask
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let run =
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runResourceT
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. runE
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@'[ AlreadyInstalled
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, ArchiveResult
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, UnknownArchive
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, FileDoesNotExistError
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, CopyError
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, NoDownload
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, NotInstalled
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, BuildFailed
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, TagNotFound
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, DigestError
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, ContentLengthError
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, GPGError
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, DownloadFailed
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, DirNotEmpty
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, NoUpdate
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, TarDirDoesNotExist
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, FileAlreadyExistsError
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, ProcessError
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, ToolShadowed
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, UninstallFailed
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, MergeFileTreeError
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, NoCompatiblePlatform
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, GHCup.Errors.ParseError
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, UnsupportedSetupCombo
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, DistroNotFound
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, NoCompatibleArch
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]
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run (do
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ce <- liftIO $ fmap (either (const Nothing) Just) $
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try @_ @SomeException $ getExecutablePath >>= canonicalizePath
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dirs <- lift getDirs
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case lTool of
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GHC -> do
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let vi = getVersionInfo (GHCTargetVersion lCross lVer) GHC dls
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liftE $ installGHCBin (GHCTargetVersion lCross lVer) GHCupInternal False [] $> (vi, dirs, ce)
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Cabal -> do
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let vi = getVersionInfo (GHCTargetVersion lCross lVer) Cabal dls
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liftE $ installCabalBin lVer GHCupInternal False $> (vi, dirs, ce)
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GHCup -> do
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let vi = snd <$> getLatest dls GHCup
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liftE $ upgradeGHCup Nothing False False $> (vi, dirs, ce)
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HLS -> do
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let vi = getVersionInfo (GHCTargetVersion lCross lVer) HLS dls
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liftE $ installHLSBin lVer GHCupInternal False $> (vi, dirs, ce)
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Stack -> do
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let vi = getVersionInfo (GHCTargetVersion lCross lVer) Stack dls
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liftE $ installStackBin lVer GHCupInternal False $> (vi, dirs, ce)
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)
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>>= \case
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VRight (vi, Dirs{..}, Just ce) -> do
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forM_ (_viPostInstall =<< vi) $ \msg -> logInfo msg
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case lTool of
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GHCup -> do
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#if !IS_WINDOWS
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up <- liftIO $ fmap (either (const Nothing) Just)
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$ try @_ @SomeException $ canonicalizePath (binDir </> "ghcup" <.> exeExt)
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when ((normalise <$> up) == Just (normalise ce)) $
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-- TODO: track cli arguments of previous invocation
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liftIO $ SPP.executeFile ce False ["tui"] Nothing
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#else
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logInfo "Please restart 'ghcup' for the changes to take effect"
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#endif
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_ -> pure ()
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pure $ Right ()
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VRight (vi, _, _) -> do
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forM_ (_viPostInstall =<< vi) $ \msg -> logInfo msg
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logInfo "Please restart 'ghcup' for the changes to take effect"
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pure $ Right ()
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VLeft (V (AlreadyInstalled _ _)) -> pure $ Right ()
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VLeft (V NoUpdate) -> pure $ Right ()
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VLeft e -> pure $ Left $ prettyHFError e <> "\n"
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<> "Also check the logs in ~/.ghcup/logs"
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set' :: (MonadReader AppState m, MonadIO m, MonadThrow m, MonadFail m, MonadMask m, MonadUnliftIO m, Alternative m)
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=> (Int, ListResult)
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-> m (Either String ())
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set' input@(_, ListResult {..}) = do
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settings <- liftIO $ readIORef settings'
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let run =
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flip runReaderT settings
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. runResourceT
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. runE
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@'[ AlreadyInstalled
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, ArchiveResult
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, UnknownArchive
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, FileDoesNotExistError
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, CopyError
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, NoDownload
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, NotInstalled
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, BuildFailed
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, TagNotFound
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, DigestError
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, ContentLengthError
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, GPGError
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, DownloadFailed
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, DirNotEmpty
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, NoUpdate
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, TarDirDoesNotExist
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, FileAlreadyExistsError
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, ProcessError
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, ToolShadowed
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, UninstallFailed
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, MergeFileTreeError
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, NoCompatiblePlatform
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, GHCup.Errors.ParseError
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, UnsupportedSetupCombo
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, DistroNotFound
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, NoCompatibleArch
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]
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run (do
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case lTool of
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GHC -> liftE $ setGHC (GHCTargetVersion lCross lVer) SetGHCOnly Nothing $> ()
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Cabal -> liftE $ setCabal lVer $> ()
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HLS -> liftE $ setHLS lVer SetHLSOnly Nothing $> ()
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Stack -> liftE $ setStack lVer $> ()
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GHCup -> do
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promptAnswer <- getUserPromptResponse "Switching GHCup versions is not supported.\nDo you want to install the latest version? [Y/N]: "
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case promptAnswer of
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PromptYes -> do
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void $ liftE $ upgradeGHCup Nothing False False
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PromptNo -> pure ()
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)
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>>= \case
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VRight _ -> pure $ Right ()
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VLeft e -> case e of
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(V (NotInstalled tool _)) -> do
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promptAnswer <- getUserPromptResponse userPrompt
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case promptAnswer of
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PromptYes -> do
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res <- install' input
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case res of
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(Left err) -> pure $ Left err
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(Right _) -> do
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logInfo "Setting now..."
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set' input
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PromptNo -> pure $ Left (prettyHFError e)
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where
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userPrompt = L.toStrict . B.toLazyText . B.fromString $
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"This Version of "
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<> show tool
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<> " you are trying to set is not installed.\n"
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<> "Would you like to install it first? [Y/N]: "
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_ -> pure $ Left (prettyHFError e)
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del' :: (MonadReader AppState m, MonadIO m, MonadFail m, MonadMask m, MonadUnliftIO m)
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=> (Int, ListResult)
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-> m (Either String ())
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del' (_, ListResult {..}) = do
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AppState { ghcupInfo = GHCupInfo { _ghcupDownloads = dls }} <- ask
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let run = runE @'[NotInstalled, UninstallFailed]
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run (do
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let vi = getVersionInfo (GHCTargetVersion lCross lVer) lTool dls
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case lTool of
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GHC -> liftE $ rmGHCVer (GHCTargetVersion lCross lVer) $> vi
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Cabal -> liftE $ rmCabalVer lVer $> vi
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HLS -> liftE $ rmHLSVer lVer $> vi
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Stack -> liftE $ rmStackVer lVer $> vi
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GHCup -> pure Nothing
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)
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>>= \case
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VRight vi -> do
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when (lTool == GHC) $ logGHCPostRm (mkTVer lVer)
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forM_ (_viPostRemove =<< vi) $ \msg ->
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logInfo msg
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pure $ Right ()
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VLeft e -> pure $ Left (prettyHFError e)
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changelog' :: (MonadReader AppState m, MonadIO m)
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=> (Int, ListResult)
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-> m (Either String ())
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changelog' (_, ListResult {..}) = do
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AppState { pfreq, ghcupInfo = GHCupInfo { _ghcupDownloads = dls }} <- ask
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case getChangeLog dls lTool (ToolVersion lVer) of
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Nothing -> pure $ Left $
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"Could not find ChangeLog for " <> prettyShow lTool <> ", version " <> T.unpack (prettyVer lVer)
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Just uri -> do
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case _rPlatform pfreq of
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Darwin -> exec "open" [T.unpack $ decUTF8Safe $ serializeURIRef' uri] Nothing Nothing
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Linux _ -> exec "xdg-open" [T.unpack $ decUTF8Safe $ serializeURIRef' uri] Nothing Nothing
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FreeBSD -> exec "xdg-open" [T.unpack $ decUTF8Safe $ serializeURIRef' uri] Nothing Nothing
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Windows -> do
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let args = "start \"\" " ++ (T.unpack $ decUTF8Safe $ serializeURIRef' uri)
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c <- liftIO $ system $ args
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case c of
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(ExitFailure xi) -> pure $ Left $ NonZeroExit xi "cmd.exe" [args]
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ExitSuccess -> pure $ Right ()
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>>= \case
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Right _ -> pure $ Right ()
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Left e -> pure $ Left $ prettyHFError e
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settings' :: IORef AppState
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{-# NOINLINE settings' #-}
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settings' = unsafePerformIO $ do
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dirs <- getAllDirs
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let loggerConfig = LoggerConfig { lcPrintDebug = False
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, consoleOutter = \_ -> pure ()
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, fileOutter = \_ -> pure ()
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, fancyColors = True
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}
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newIORef $ AppState defaultSettings
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dirs
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defaultKeyBindings
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(GHCupInfo mempty mempty Nothing)
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(PlatformRequest A_64 Darwin Nothing)
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loggerConfig
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getGHCupInfo :: IO (Either String GHCupInfo)
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getGHCupInfo = do
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settings <- readIORef settings'
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r <-
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flip runReaderT settings
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. runE @'[DigestError, ContentLengthError, GPGError, JSONError , DownloadFailed , FileDoesNotExistError, StackPlatformDetectError]
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$ do
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pfreq <- lift getPlatformReq
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liftE $ getDownloadsF pfreq
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case r of
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VRight a -> pure $ Right a
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VLeft e -> pure $ Left (prettyHFError e)
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getAppData :: Maybe GHCupInfo
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-> IO (Either String BrickData)
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getAppData mgi = runExceptT $ do
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r <- ExceptT $ maybe getGHCupInfo (pure . Right) mgi
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liftIO $ modifyIORef settings' (\s -> s { ghcupInfo = r })
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settings <- liftIO $ readIORef settings'
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flip runReaderT settings $ do
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lV <- listVersions Nothing [] False True (Nothing, Nothing)
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pure $ BrickData (reverse lV)
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--
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keyHandlers :: KeyBindings
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-> [ ( KeyCombination
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, BrickSettings -> String
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, Brick.EventM Name BrickState ()
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)
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]
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keyHandlers KeyBindings {..} =
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[ (bQuit, const "Quit" , Brick.halt)
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, (bInstall, const "Install" , withIOAction install')
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, (bUninstall, const "Uninstall", withIOAction del')
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, (bSet, const "Set" , withIOAction set')
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, (bChangelog, const "ChangeLog", withIOAction changelog')
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, ( bShowAllVersions
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, \BrickSettings {..} ->
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if _showAllVersions then "Don't show all versions" else "Show all versions"
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, hideShowHandler' (not . _showAllVersions)
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)
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, (bUp, const "Up", Common.zoom appState moveUp)
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, (bDown, const "Down", Common.zoom appState moveDown)
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, (KeyCombination (Vty.KChar 'h') [], const "help", mode .= KeyInfo)
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]
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where
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--hideShowHandler' :: (BrickSettings -> Bool) -> (BrickSettings -> Bool) -> m ()
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hideShowHandler' f = do
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app_settings <- use appSettings
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let
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vers = f app_settings
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newAppSettings = app_settings & Common.showAllVersions .~ vers
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ad <- use appData
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current_app_state <- use appState
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appSettings .= newAppSettings
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appState .= constructList ad newAppSettings (Just current_app_state) |