{-# LANGUAGE ViewPatterns, TupleSections, RecordWildCards, ScopedTypeVariables, PatternGuards #-}
module Action.Server(actionServer, actionReplay, action_server_test_, action_server_test) where
import Data.List.Extra
import System.FilePath
import Control.Exception
import Control.DeepSeq
import System.Directory
import Data.Tuple.Extra
import qualified Language.Javascript.JQuery as JQuery
import qualified Language.Javascript.Flot as Flot
import Data.Version
import Paths_hoogle
import Data.Maybe
import Control.Monad
import System.IO.Extra
import General.Str
import qualified Data.Map as Map
import System.Time.Extra
import Data.Time.Clock
import Data.Time.Calendar
import System.IO.Unsafe
import Numeric.Extra
import System.Info.Extra
import Output.Tags
import Query
import Input.Item
import General.Util
import General.Web
import General.Store
import General.Template
import General.Log
import Action.Search
import Action.CmdLine
import Control.Applicative
import Prelude
import qualified Data.Aeson as JSON
actionServer :: CmdLine -> IO ()
actionServer cmd@Server{..} = do
hSetBuffering stdout LineBuffering
hSetBuffering stderr LineBuffering
putStrLn $ "Server started on port " ++ show port
putStr "Reading log..." >> hFlush stdout
time <- offsetTime
log <- logCreate (if logs == "" then Left stdout else Right logs) $
\x -> "hoogle=" `isInfixOf` x && not ("is:ping" `isInfixOf` x)
putStrLn . showDuration =<< time
evaluate spawned
dataDir <- case datadir of
Just d -> return d
Nothing -> getDataDir
haddock <- maybe (return Nothing) (fmap Just . canonicalizePath) haddock
withSearch database $ \store ->
server log cmd $ replyServer log local haddock store cdn home (dataDir </> "html") scope
actionReplay :: CmdLine -> IO ()
actionReplay Replay{..} = withBuffering stdout NoBuffering $ do
src <- readFile logs
let qs = [readInput url | _:ip:_:url:_ <- map words $ lines src, ip /= "-"]
(t,_) <- duration $ withSearch database $ \store -> do
log <- logNone
dataDir <- getDataDir
let op = replyServer log False Nothing store "" "" (dataDir </> "html") scope
replicateM_ repeat_ $ forM_ qs $ \x -> do
res <- op x
evaluate $ rnf res
putChar '.'
putStrLn $ "\nTook " ++ showDuration t ++ " (" ++ showDuration (t / intToDouble (repeat_ * length qs)) ++ ")"
{-# NOINLINE spawned #-}
spawned :: UTCTime
spawned = unsafePerformIO getCurrentTime
replyServer :: Log -> Bool -> Maybe FilePath -> StoreRead -> String -> String -> FilePath -> String -> Input -> IO Output
replyServer log local haddock store cdn home htmlDir scope Input{..} = case inputURL of
[] -> do
let grab name = [x | (a,x) <- inputArgs, a == name, x /= ""]
let qScope = let xs = grab "scope" in [scope | null xs && scope /= ""] ++ xs
let qSource = grab "hoogle" ++ filter (/= "set:stackage") qScope
let q = concatMap parseQuery qSource
let (q2, results) = search store q
let body = showResults local haddock (filter ((/= "mode") . fst) inputArgs) q2 $
dedupeTake 25 (\t -> t{targetURL="",targetPackage=Nothing, targetModule=Nothing}) results
case lookup "mode" $ reverse inputArgs of
Nothing | qSource /= [] -> fmap OutputHTML $ templateRender templateIndex $ map (second str)
[("tags",tagOptions qScope)
,("body",body)
,("title",unwords qSource ++ " - Hoogle")
,("search",unwords $ grab "hoogle")
,("robots",if any isQueryScope q then "none" else "index")]
| otherwise -> OutputHTML <$> templateRender templateHome []
Just "body" -> OutputHTML <$> if null qSource then templateRender templateEmpty [] else return $ lstrPack body
Just "json" -> return $ OutputJSON $ JSON.encode $ take 100 results
Just m -> return $ OutputFail $ lstrPack $ "Mode " ++ m ++ " not (currently) supported"
["plugin","jquery.js"] -> OutputFile <$> JQuery.file
["plugin","jquery.flot.js"] -> OutputFile <$> Flot.file Flot.Flot
["plugin","jquery.flot.time.js"] -> OutputFile <$> Flot.file Flot.FlotTime
["canary"] -> do
now <- getCurrentTime
summ <- logSummary log
let errs = sum [summaryErrors | Summary{..} <- summ, summaryDate >= pred (utctDay now)]
let alive = fromRational $ toRational $ (now `diffUTCTime` spawned) / (24 * 60 * 60)
let s = show errs ++ " errors since yesterday, running for " ++ showDP 2 alive ++ " days."
return $ if errs == 0 && alive < 1.5 then OutputText $ lstrPack $ "Happy. " ++ s else OutputFail $ lstrPack $ "Sad. " ++ s
["log"] -> do
log <- displayLog <$> logSummary log
OutputHTML <$> templateRender templateLog [("data",str log)]
["stats"] -> do
stats <- getStatsDebug
return $ case stats of
Nothing -> OutputFail $ lstrPack "GHC Statistics is not enabled, restart with +RTS -T"
Just x -> OutputText $ lstrPack $ replace ", " "\n" $ takeWhile (/= '}') $ drop 1 $ dropWhile (/= '{') $ show x
"haddock":xs | Just x <- haddock -> do
let file = intercalate "/" $ filter (not . (== "..")) (x:xs)
return $ OutputFile $ file ++ (if hasTrailingPathSeparator file then "index.html" else "")
"file":xs | local -> do
let x = ['/' | not isWindows] ++ intercalate "/" (dropWhile null xs)
let file = x ++ (if hasTrailingPathSeparator x then "index.html" else "")
if takeExtension file /= ".html" then
return $ OutputFile file
else do
src <- readFile file
return $ OutputHTML $ lstrPack $ replace "file://" "/file/" src
xs ->
return $ OutputFile $ joinPath $ htmlDir : filter (not . all (== '.')) xs
where
str = templateStr . lstrPack
tagOptions sel = concat [tag "option" ["selected=selected" | x `elem` sel] x | x <- completionTags store]
params = map (second str)
[("cdn",cdn)
,("home",home)
,("jquery",if null cdn then "plugin/jquery.js" else JQuery.url)
,("version",showVersion version ++ " " ++ showUTCTime "%Y-%m-%d %H:%M" spawned)]
templateIndex = templateFile (htmlDir </> "index.html") `templateApply` params
templateEmpty = templateFile (htmlDir </> "welcome.html")
templateHome = templateIndex `templateApply` [("tags",str $ tagOptions []),("body",templateEmpty),("title",str "Hoogle"),("search",str ""),("robots",str "index")]
templateLog = templateFile (htmlDir </> "log.html") `templateApply` params
dedupeTake :: Ord k => Int -> (v -> k) -> [v] -> [[v]]
dedupeTake n key = f [] Map.empty
where
f res mp xs | Map.size mp >= n || null xs = map (reverse . (Map.!) mp) $ reverse res
f res mp (x:xs) | Just vs <- Map.lookup k mp = f res (Map.insert k (x:vs) mp) xs
| otherwise = f (k:res) (Map.insert k [x] mp) xs
where k = key x
showResults :: Bool -> Maybe FilePath -> [(String, String)] -> [Query] -> [[Target]] -> String
showResults local haddock args query results = unlines $
["<h1>" ++ renderQuery query ++ "</h1>"
,"<ul id=left>"
,"<li><b>Packages</b></li>"] ++
[tag_ "li" $ f cat val | (cat,val) <- itemCategories $ concat results, QueryScope True cat val `notElem` query] ++
["</ul>"] ++
["<p>No results found</p>" | null results] ++
["<div class=result>" ++
"<div class=ans><a href=\"" ++ showURL local haddock targetURL ++ "\">" ++ displayItem query targetItem ++ "</a></div>" ++
"<div class=from>" ++ showFroms local haddock is ++ "</div>" ++
"<div class=\"doc newline shut\">" ++ targetDocs ++ "</div>" ++
"</div>"
| is@(Target{..}:_) <- results]
where
add x = escapeHTML $ ("?" ++) $ intercalate "&" $ map (joinPair "=") $
case break ((==) "hoogle" . fst) args of
(a,[]) -> a ++ [("hoogle",x)]
(a,(_,x1):b) -> a ++ [("hoogle",x1 ++ " " ++ x)] ++ b
f cat val = "<a class=\"minus\" href=\"" ++ add ("-" ++ cat ++ ":" ++ val) ++ "\"></a>" ++
"<a class=\"plus\" href=\"" ++ add (cat ++ ":" ++ val) ++ "\">" ++
(if cat == "package" then "" else cat ++ ":") ++ val ++ "</a>"
itemCategories :: [Target] -> [(String,String)]
itemCategories xs =
[("is","exact")] ++
[("is","package") | any ((==) "package" . targetType) xs] ++
[("is","module") | any ((==) "module" . targetType) xs] ++
nubOrd [("package",p) | Just (p,_) <- map targetPackage xs]
showFroms :: Bool -> Maybe FilePath -> [Target] -> String
showFroms local haddock xs = intercalate ", " $ for pkgs $ \p ->
let ms = filter ((==) p . targetPackage) xs
in unwords ["<a href=\"" ++ showURL local haddock b ++ "\">" ++ a ++ "</a>" | (a,b) <- catMaybes $ p : map remod ms]
where
remod Target{..} = do (a,_) <- targetModule; return (a,targetURL)
pkgs = nubOrd $ map targetPackage xs
showURL :: Bool -> Maybe FilePath -> URL -> String
showURL _ (Just _) x = "haddock" ++ x
showURL True _ (stripPrefix "file:///" -> Just x) = "file/" ++ x
showURL _ _ x = x
highlightItem :: [Query] -> String -> String
highlightItem qs x
| Just (pre,x) <- stripInfix "<0>" x, Just (name,post) <- stripInfix "</0>" x = pre ++ highlight (unescapeHTML name) ++ post
| otherwise = x
where
highlight = concatMap (\xs@((b,_):_) -> let s = escapeHTML $ map snd xs in if b then "<b>" ++ s ++ "</b>" else s) .
groupOn fst . (\x -> zip (f x) x)
where
f (x:xs) | m > 0 = replicate m True ++ drop (m - 1) (f xs)
where m = maximum $ 0 : [length y | QueryName y <- qs, lower y `isPrefixOf` lower (x:xs)]
f (x:xs) = False : f xs
f [] = []
displayItem :: [Query] -> String -> String
displayItem = highlightItem
action_server_test_ :: IO ()
action_server_test_ = do
testing "Action.Server.displayItem" $ do
let expand = replace "{" "<b>" . replace "}" "</b>" . replace "<0>" "" . replace "</0>" ""
contract = replace "{" "" . replace "}" ""
let q === s | displayItem (parseQuery q) (contract s) == expand s = putChar '.'
| otherwise = error $ show (q,s,displayItem (parseQuery q) (contract s))
"test" === "<0>my{Test}</0> :: Int -> test"
"new west" === "<0>{newest}_{new}</0> :: Int"
"+*" === "(<0>{+*}&</0>) :: Int"
"+<" === "(<0>>{+<}</0>) :: Int"
"foo" === "<i>data</i> <0>{Foo}d</0>"
"foo" === "<i>type</i> <0>{Foo}d</0>"
"foo" === "<i>type family</i> <0>{Foo}d</0>"
"foo" === "<i>module</i> Foo.Bar.<0>F{Foo}</0>"
"foo" === "<i>module</i> <0>{Foo}o</0>"
action_server_test :: Bool -> FilePath -> IO ()
action_server_test sample database = do
testing "Action.Server.replyServer" $ withSearch database $ \store -> do
log <- logNone
dataDir <- getDataDir
let q === want = do
OutputHTML (lstrUnpack -> res) <- replyServer log False Nothing store "" "" (dataDir </> "html") "" (Input [] [("hoogle",q)])
if want `isInfixOf` res then putChar '.' else fail $ "Bad substring: " ++ res
if sample then
"Wife" === "<b>type family</b>"
else do
"<>" === "<span class=name>(<b><></b>)</span>"
"filt" === "<span class=name><b>filt</b>er</span>"
"True" === "https://hackage.haskell.org/package/base/docs/Prelude.html#v:True"
displayLog :: [Summary] -> String
displayLog xs = "[" ++ intercalate "," (map f xs) ++ "]"
where
f Summary{..} = "{date:" ++ show (showGregorian summaryDate) ++
",users:" ++ show summaryUsers ++ ",uses:" ++ show summaryUses ++
",slowest:" ++ show summarySlowest ++ ",average:" ++ show summaryAverage ++
",errors:" ++ show summaryErrors ++ "}"