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{-# LANGUAGE BlockArguments #-}
{-# LANGUAGE DisambiguateRecordFields #-}
{-# LANGUAGE OverloadedRecordDot #-}
{-# LANGUAGE OverloadedStrings #-}
module Issue (Issue (..), Provenance (..), fromMatch, id) where
import Data.ByteString.Lazy (toStrict)
import Data.ByteString.Lazy.Char8 (unpack)
import Data.List (find, foldl')
import Data.String (fromString)
import Data.Text (Text)
import Data.Text qualified as T
import Data.Text.Encoding (decodeUtf8)
import Data.Time.Clock (UTCTime)
import Issue.Tag (Tag (..))
import Issue.Tag qualified as I
import Issue.Text qualified as I
import Process (quote, sh)
import Text.Printf (printf)
import TreeGrepper.Match (Match (..))
import TreeGrepper.Match qualified as G
import TreeGrepper.Result (Result (..))
import TreeGrepper.Result qualified as G
import Prelude hiding (id)
data Issue = Issue
{ title :: Text,
description :: Maybe Text,
file :: String,
provenance :: Maybe Provenance,
start :: G.Position,
end :: G.Position,
tags :: [Tag],
internalTags :: [Tag]
}
deriving (Show)
data Provenance = Provenance
{ firstCommit :: Text,
date :: UTCTime,
authorEmail :: Text,
authorName :: Text
}
deriving (Show)
id :: Issue -> Maybe String
id issue =
(\(Tag _ v) -> T.unpack v)
<$> ( find (\(Tag k _) -> k == "id") $
issue.tags ++ issue.internalTags
)
fromMatch :: G.Result -> G.Match -> IO (Maybe Issue)
fromMatch result match = do
rawProvenance <-
fmap (map (T.splitOn "\NUL") . T.lines . decodeUtf8 . toStrict) $
sh $
( fromString
( printf
"git --no-pager log --reverse -S\"$(cat %s | tail -n+%d | head -%d)\" --format='%%H%%x00%%ai%%x00%%ae%%x00%%an' -- %s"
(quote result.file)
match.start.row
(match.end.row - match.start.row + 1)
(quote result.file)
)
)
let provenance =
case rawProvenance of
(firstCommit' : rawDate : authorEmail : authorName : _) : _ ->
let date = read (T.unpack rawDate)
in Just
Provenance
{ firstCommit = firstCommit',
date = date,
authorEmail = authorEmail,
authorName = authorName
}
_ ->
Nothing
pure
( if any (\marker -> T.isPrefixOf marker title') issueMarkers
then
Just
Issue
{ title = title,
description = description,
file = result.file,
provenance = provenance,
start = match.start,
end = match.end,
tags = maybe [] I.extractTags description,
internalTags = I.internalTags title
}
else Nothing
)
where
(title', description) = I.extractText result.file_type match.text
title = stripIssueMarkers title'
issueMarkers :: [Text]
issueMarkers =
[ "TODO",
"FIXME",
"QUESTION"
]
stripIssueMarkers :: Text -> Text
stripIssueMarkers text =
foldl' (stripIssueMarker) text issueMarkers
stripIssueMarker :: Text -> Text -> Text
stripIssueMarker text marker =
maybe text T.stripStart (T.stripPrefix marker text)
|