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{-# LANGUAGE LambdaCase #-}
{-# LANGUAGE OverloadedStrings #-}
module RenderTreeView (renderTreeView) where
import qualified Notmuch.Message as Notmuch
import qualified Notmuch.SearchResult as Notmuch
import qualified Data.CaseInsensitive as CI
import qualified Data.List as L
import qualified Data.Map as M
import qualified Data.Text as T
import qualified Data.Tree.Zipper as Z
import qualified TreeZipperUtils as Z
import Blessings
import Data.Char
import Data.Monoid
import Data.Time
import Data.Time.Format.Human
import Data.Tree
import TagUtils (Tag)
import TreeView
-- TODO make configurable
humanTimeLocale :: HumanTimeLocale
humanTimeLocale = defaultHumanTimeLocale
{ justNow = "now"
, secondsAgo = \f -> (++ "s" ++ dir f)
, oneMinuteAgo = \f -> "1m" ++ dir f
, minutesAgo = \f -> (++ "m" ++ dir f)
, oneHourAgo = \f -> "1h" ++ dir f
, aboutHoursAgo = \f -> (++ "h" ++ dir f)
, at = \_ -> ("" ++)
, daysAgo = \f -> (++ "d" ++ dir f)
, weekAgo = \f -> (++ "w" ++ dir f)
, weeksAgo = \f -> (++ "w" ++ dir f)
, onYear = ("" ++)
, dayOfWeekFmt = "%a %H:%M"
, thisYearFmt = "%b %e"
, prevYearFmt = "%b %e, %Y"
}
where dir True = " from now"
dir False = " ago"
renderTreeView
:: UTCTime
-> Z.TreePos Z.Full TreeView
-> Z.TreePos Z.Full TreeView
-> [Blessings String]
renderTreeView now cur =
renderNode
where
isFocus = (Z.label cur==) . Z.label
renderNode loc =
renderRootLabel loc :
maybeRenderSubForest (Z.firstChild loc)
renderRootLabel loc =
renderPrefix loc <>
renderTreeView1 now (isFocus loc) (Z.label loc)
renderSubForest loc =
renderNode loc ++
maybeRenderSubForest (Z.next loc)
maybeRenderSubForest =
maybe mempty renderSubForest
renderPrefix :: Z.TreePos Z.Full TreeView -> Blessings String
renderPrefix =
mconcat . reverse . map prefix . zip [(1 :: Int)..] . Z.path
where
prefix (i, (_lhs, x, rhs)) = case x of
TVSearch _ -> ""
TVSearchResult _ -> spacePrefix
TVMessage _ ->
case i of
1 ->
if null rhs
then endPrefix
else teePrefix
_ ->
if null rhs
then spacePrefix
else pipePrefix
_ ->
if null $ filter isTVMessage $ map rootLabel rhs
then spacePrefix
else pipePrefix
spacePrefix
, teePrefix
, pipePrefix
, endPrefix
:: Blessings String
spacePrefix = prefixSGR " "
teePrefix = prefixSGR "├╴"
pipePrefix = prefixSGR "│ "
endPrefix = prefixSGR "└╴"
-- TODO locale-style: headerKey = \s -> SGR [..] (s <> ": ")
searchSGR
, focusSGR
, quoteSGR
, boringSGR
, prefixSGR
, dateSGR
, tagsSGR
, unreadMessageSGR
, unreadSearchSGR
, killedTagSGR
, starTagSGR
:: Blessings String -> Blessings String
searchSGR = SGR [38,5,162]
focusSGR = SGR [38,5,160]
quoteSGR = SGR [38,5,242]
boringSGR = SGR [38,5,240]
prefixSGR = SGR [38,5,235]
dateSGR = SGR [38,5,071]
tagsSGR = SGR [38,5,036]
killedTagSGR = SGR [38,5,088]
starTagSGR = SGR [38,5,226]
draftTagSGR = SGR [38,5,202]
boringMessageSGR = SGR [38,5,023]
unreadMessageSGR = SGR [38,5,117]
unreadSearchSGR = SGR [38,5,250]
renderTreeView1 :: UTCTime -> Bool -> TreeView -> Blessings String
renderTreeView1 now hasFocus x = case x of
TVSearch s ->
let c = if hasFocus then focusSGR else searchSGR
in c $ Plain s
TVSearchResult sr ->
let c = if hasFocus then focusSGR else
if "unread" `elem` Notmuch.searchTags sr
then unreadSearchSGR
else boringSGR
date = dateSGR $ renderDate now x
tags = tagsSGR $ renderTags (Notmuch.searchTags sr)
subj = Plain $ T.unpack $ Notmuch.searchSubject sr
in c $ subj <> " " <> date <> " " <> tags
TVMessage m ->
let fromSGR =
if hasFocus then focusSGR else
if "unread" `elem` Notmuch.messageTags m
then unreadMessageSGR
else boringMessageSGR
from = fromSGR $ renderFrom (M.lookup "from" $ Notmuch.messageHeaders m)
date = dateSGR $ renderDate now x
tags = tagsSGR $ renderTags (Notmuch.messageTags m) -- TODO filter common tags
in from <> " " <> date <> " " <> tags
TVMessageHeaderField m fieldName ->
let c = if hasFocus then focusSGR else boringSGR
k = Plain $ T.unpack $ CI.original fieldName
v = maybe "nothing"
(Plain . T.unpack)
(M.lookup fieldName $ Notmuch.messageHeaders m)
in c $ k <> ": " <> v
TVMessagePart _ p ->
let c = if hasFocus then focusSGR else boringSGR
i = Plain $ show $ Notmuch.partID p
t = Plain $ T.unpack $ CI.original $ Notmuch.partContentType p
filename = maybe "" (Plain . (" "<>) . show) $ Notmuch.partContentFilename p
charset = maybe "" (Plain . (" "<>) . show) $ Notmuch.partContentCharset p
size = Plain $ show $ Notmuch.contentSize (Notmuch.partContent p)
in c $ "part#" <> i <> " " <> t <> filename <> charset <> " " <> size
TVMessageQuoteLine _ _ _ s ->
if hasFocus
then focusSGR $ Plain s
else quoteSGR $ Plain s
TVMessageLine _ _ _ s ->
if hasFocus
then focusSGR $ Plain s
else Plain s
renderDate :: UTCTime -> TreeView -> Blessings String
renderDate now = \case
TVSearchResult sr -> f humanTimeLocale (Notmuch.searchTime sr)
TVMessage m -> f humanTimeLocale (Notmuch.messageTime m)
_ -> SGR [35,1] "timeless"
where
f timeLocale time =
Plain $ humanReadableTimeI18N' timeLocale now time
renderFrom :: Maybe T.Text -> Blessings String
renderFrom = \case
Just fromLine -> Plain $ dropAddress $ T.unpack fromLine
Nothing -> SGR [35,1] "Anonymous"
renderTags :: [Tag] -> Blessings String
renderTags =
-- TODO sort somewhere else
mconcat . L.intersperse " " . map renderTag . L.sort
renderTag :: Tag -> Blessings String
renderTag tag = case tag of
"draft" -> draftTagSGR plain
"killed" -> killedTagSGR plain
"star" -> starTagSGR plain
_ -> plain
where
plain = Plain $ T.unpack tag
dropAddress :: String -> String
dropAddress xs =
case L.findIndices (=='<') xs of
[] -> xs
is -> L.dropWhileEnd isSpace $ take (last is) xs
|
