stackage-server/src/Import.hs
2020-02-12 02:10:14 +03:00

75 lines
2.3 KiB
Haskell

{-# LANGUAGE NoImplicitPrelude #-}
module Import
( module Import
) where
import ClassyPrelude.Yesod as Import hiding (getCurrentTime)
import Foundation as Import
import Settings as Import
import Settings.StaticFiles as Import
import Types as Import
import Yesod.Auth as Import
import Data.WebsiteContent as Import (WebsiteContent (..))
import Data.Text.Read (decimal)
import RIO.Time (diffUTCTime)
--import qualified Prometheus as P
import Stackage.Database.Types (ModuleListingInfo(..))
import Formatting (format)
import Formatting.Time (diff)
parseLtsPair :: Text -> Maybe (Int, Int)
parseLtsPair t1 = do
(x, t2) <- either (const Nothing) Just $ decimal t1
t3 <- stripPrefix "." t2
(y, "") <- either (const Nothing) Just $ decimal t3
Just (x, y)
packageUrl :: SnapName -> PackageNameP -> VersionP -> Route App
packageUrl sname pkgname pkgver = SnapshotR sname sdistR
where
sdistR = StackageSdistR (PNVNameVersion pkgname pkgver)
haddockUrl :: SnapName -> ModuleListingInfo -> Route App
haddockUrl sname mli =
HaddockR
sname
[toPathPiece (mliPackageIdentifier mli), toPathPiece (mliModuleName mli) <> ".html"]
hoogleHaddockUrl :: SnapName -> PackageNameP -> ModuleNameP -> Route App
hoogleHaddockUrl sname pname mname = HaddockR sname [toPathPiece pname, toPathPiece mname <> ".html"]
track
:: MonadIO m
=> String -> m a -> m a
track _ = id
{- FIXME prometheus isn't in Stackage anymore
track name inner = do
start <- liftIO getCurrentTime
result <- inner
end <- liftIO getCurrentTime
let latency = fromRational $ toRational (end `diffUTCTime` start) * 1000000
liftIO (P.withLabel name (P.observe latency) duration)
return result
where
{-# NOINLINE duration #-}
duration :: P.Metric (P.Vector P.Label1 P.Histogram)
duration =
P.unsafeRegisterIO
(P.vector
"fn"
(P.histogram
(P.Info
"stackage_server_fn"
"Stackage Server function call (duration in microseconds).")
P.defaultBuckets))
-}
dateDiff :: UTCTime -- ^ now
-> Day -- ^ target
-> LText
dateDiff (UTCTime now' _) target
| now' == target = "today"
| otherwise = format (diff True) $ diffUTCTime
(UTCTime target 0)
(UTCTime now' 0)