stackage-server/src/Handler/Home.hs
2020-11-02 18:23:15 +08:00

67 lines
2.1 KiB
Haskell

{-# LANGUAGE NoImplicitPrelude #-}
{-# LANGUAGE TemplateHaskell #-}
{-# LANGUAGE TupleSections #-}
{-# LANGUAGE TypeFamilies #-}
{-# LANGUAGE ViewPatterns #-}
module Handler.Home
( getHomeR
, getHealthzR
, getAuthorsR
, getInstallR
, getOlderReleasesR
) where
import RIO.Time
import Import
import Stackage.Database
import Yesod.GitRepo (grContent)
getHealthzR :: Handler String
getHealthzR = return "This should never be used, we should use the middleware instead"
-- This is a handler function for the G request method on the HomeR
-- resource pattern. All of your resource patterns are defined in
-- config/routes
--
-- The majority of the code you will write in Yesod lives in these handler
-- functions. You can spread them across multiple files if you are so
-- inclined, or create a single monolithic file.
getHomeR :: Handler Html
getHomeR = track "Handler.Snapshots.getAllSnapshotsR" $ do
cacheSeconds $ 60 * 60
now' <- getCurrentTime
(map entityVal -> nightly) <-
getSnapshots (Just NightlyBranch) 1 0
let latestNightly = groupUp now' nightly
latestLtsNameWithHoogle <- getLatestLtsNameWithHoogle
latestLtsByGhc <- getLatestLtsByGhc
mrecentBlog <- headMay <$> getPosts
defaultLayout $ do
setTitle "Stackage Server"
$(widgetFile "home")
where uncrapify now' snapshot =
( snapshotName snapshot
, snapshotTitle snapshot
, dateDiff now' (snapshotCreated snapshot)
)
groupUp now' = groupBy (on (==) (\(_,_,uploaded) -> uploaded))
. map (uncrapify now')
getAuthorsR :: Handler Html
getAuthorsR = contentHelper "Library Authors" wcAuthors
getInstallR :: Handler ()
getInstallR = redirect ("https://haskell-lang.org/get-started" :: Text)
getOlderReleasesR :: Handler Html
getOlderReleasesR = contentHelper "Older Releases" wcOlderReleases
contentHelper :: Html -> (WebsiteContent -> Html) -> Handler Html
contentHelper title accessor = do
homepage <- getYesod >>= fmap accessor . liftIO . grContent . appWebsiteContent
defaultLayout $ do
setTitle title
toWidget homepage