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|
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE LambdaCase #-}
{-# LANGUAGE RecordWildCards #-}
module Main (main) where
import Blessings.String
import Control.Monad
import Data.Default
import Data.Maybe
import Data.Time.Format
import Much.Action
import Much.Core
import Much.State
import Much.TreeView
import Scanner
import System.Directory
import System.Exit
import System.FilePath
import System.IO
import System.Posix.Signals
import System.Process
import Text.Hyphenation
import Text.LineBreak
import qualified Data.ByteString.Lazy.Char8 as LBS8
import qualified Data.Map as M
import qualified Data.Text as T
import qualified Data.Text.IO as T
import qualified Data.Tree as Tree
import qualified Data.Tree.Zipper as Z
import qualified Notmuch
import qualified Notmuch.Message as Notmuch
{- notmuch's special tags are:
synchonised to maildir: draft flagged passed replied unread
automatic: attachment signed encrypted
cli default tags: unread inbox deleted spam
ref: https://notmuchmail.org/special-tags/
-}
main :: IO ()
main =
mainWithState def
{ keymap = myKeymap
, mousemap = myMousemap
, colorConfig = def
{ boring = SGR [38,5,8]
, alt = SGR [38,5,182]
, search = SGR [38,5,13]
, focus = SGR [38,5,4]
, quote = SGR [38,5,7]
, prefix = SGR [38,5,235]
, date = SGR [38,5,1]
, tags = SGR [38,5,14]
, boringMessage = SGR [38,5,3]
, unreadMessage = SGR [38,5,11]
, unreadSearch = SGR [38,5,15]
, tagMap = M.fromList
[ ("deleted", SGR [38,5,088])
, ("flagged", SGR [38,5,226])
, ("draft", SGR [38,5,63])
, ("spam", SGR [38,5,202])
]
}
, tagSymbols = M.fromList
[ ("flagged", "🔖")
, ("attachment", "📎")
, ("signed", "🔒")
]
, query = "tag:inbox"
}
showCurrentMessagePart :: State -> IO (Maybe (Notmuch.Message, Notmuch.MessagePart))
showCurrentMessagePart q =
case Z.label (cursor q) of
TVMessagePart message part -> do
let messageId = Notmuch.unMessageID (Notmuch.messageId message)
partResult <- Notmuch.notmuchShowPart messageId (Notmuch.partID part)
case partResult of
Right part' -> return $ Just (message, part')
Left _ -> return Nothing
_ -> return Nothing
currentAttachmentPath :: State -> Notmuch.Message -> Notmuch.MessagePart -> FilePath
currentAttachmentPath q message part =
attachmentDirectory q </> attachmentFileName q message part
saveAttachment :: State -> IO State
saveAttachment q =
showCurrentMessagePart q >>= \case
Nothing -> return q { flashMessage = "cursor not on attachment" }
Just (message, part) -> do
let destination = currentAttachmentPath q message part
alreadyDownloaded <- doesFileExist destination
if attachmentOverwrite q || not alreadyDownloaded
then case Notmuch.partContent part of
Notmuch.ContentText text ->
q { flashMessage = Plain destination } <$
T.writeFile destination text
Notmuch.ContentRaw raw _ ->
q { flashMessage = Plain destination } <$
LBS8.writeFile destination raw
_ -> return q { flashMessage = "this part cannot be saved" }
else
return q { flashMessage = "not overwriting attachment" }
openAttachment :: State -> IO State
openAttachment q =
showCurrentMessagePart q >>= \case
Nothing -> return q { flashMessage = "cursor not on attachment" }
Just (message, part) -> do
let destination = currentAttachmentPath q message part
alreadyDownloaded <- doesFileExist destination
unless alreadyDownloaded (void $ saveAttachment q)
q <$ callProcess "xdg-open" [destination]
reply :: State -> IO State
reply q = q <$ spawnCommand "i3-sensible-terminal -e $EDITOR -c 'read !mail-reply'"
myKeymap :: String -> State -> IO State
myKeymap "h" = closeFold
myKeymap "l" = openFold
myKeymap " " = toggleFold
myKeymap "g" = moveCursorUp 150
myKeymap "G" = moveCursorDown 150
myKeymap "k" = moveCursorUp 1
myKeymap "j" = moveCursorDown 1
myKeymap "\ESC[A" = moveCursorDown 1
myKeymap "\ESC[B" = moveCursorUp 1
myKeymap "\ESC[C" = moveTreeLeft 10 -- left
myKeymap "\ESC[D" = moveTreeRight 10 -- right
myKeymap "r" = notmuchSearch
myKeymap "R" = reply
myKeymap "S" = saveAttachment
myKeymap "o" = openAttachment
myKeymap "q" = \q -> q <$ raiseSignal sigINT
myKeymap "*" = toggleTagAtCursor "flagged"
myKeymap "a" = toggleTagAtCursor "inbox" -- mnemonic: Archive
myKeymap "s" = toggleTagAtCursor "unread" -- mnemonic: Seen
myKeymap "d" = toggleTagAtCursor "deleted"
myKeymap "!" = toggleTagAtCursor "spam"
myKeymap "N" = moveCursorUpToPrevUnread
myKeymap "n" = moveCursorDownToNextUnread
myKeymap "K" = moveTreeDown 1
myKeymap "J" = moveTreeUp 1
myKeymap "\ESC[a" = moveTreeDown 1
myKeymap "\ESC[b" = moveTreeUp 1
myKeymap "\ESC[5~" = \q -> moveTreeDown (screenHeight q `div` 2) q -- PgUp
myKeymap "\ESC[6~" = \q -> moveTreeUp (screenHeight q `div` 2) q -- PgDn
myKeymap "\ESC[Z" = moveCursorUpToPrevUnread -- S-Tab
myKeymap "\DEL" = moveToParent -- backspace
myKeymap "=" = \q@State{..} ->
let cursor' = case Z.label cursor of
TVMessageLine a b c s ->
wrap (TVMessageLine a b c) cursor s
_ -> cursor
in return q { cursor = cursor' }
where
--unwrap = error "WIP"
-- 1. get current id (must be TVMessageLine)
-- 2. find first adjoined TVMessageLine with same id
-- 3. find last adjoined TVMessageLine with same id
-- 4. join lines (with space?)
wrap ctor loc s =
fromMaybe (error "die hard") $
Z.nextTree $
foldr (insert . ctor)
(Z.delete loc)
$ hy s
insert a =
Z.prevSpace . Z.insert (Tree.Node a [])
hy = breakStringLn bf
where
shy = '\173'
hyp = Just german_1996
bf = BreakFormat 80 8 shy hyp
-- <F1>
myKeymap "\ESC[11~" = \q@State{..} ->
return q { flashMessage = Plain $ show $ treeViewId $ Z.label cursor }
-- <F2>
myKeymap "\ESC[12~" = \q@State{..} ->
return q { flashMessage =
Plain $
show $
fmap Notmuch.messageFilename $
getMessage $
Z.label cursor
}
-- TODO Stuff Vim sends after exit (also there is more...)
myKeymap "\ESC[2;2R" = \q -> return q { flashMessage = flashMessage q <> " " <> Plain "stupid" }
myKeymap "\ESC[>85;95;0c" = \q -> return q { flashMessage = flashMessage q <> " " <> Plain "stupid" }
myKeymap s = displayKey s
myMousemap :: Scan -> State -> IO State
myMousemap ScanMouse{mouseButton=1,mouseY=y} = defaultMouse1Click y
myMousemap ScanMouse{mouseButton=3,mouseY=y} = defaultMouse1Click y >=> toggleFold
myMousemap ScanMouse{mouseButton=4} = moveTreeDown 3
myMousemap ScanMouse{mouseButton=5} = moveTreeUp 3
myMousemap ScanMouse{mouseButton=0} = return
myMousemap info = displayMouse info
|
