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48 lines
1.7 KiB
Haskell
48 lines
1.7 KiB
Haskell
{-# LANGUAGE NoImplicitPrelude #-}
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module Handler.Download
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( getDownloadR
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, getDownloadSnapshotsJsonR
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, getDownloadLtsSnapshotsJsonR
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, getGhcMajorVersionR
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, getDownloadGhcLinksR
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) where
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import RIO (textDisplay)
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import Import
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import Data.GhcLinks
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import Yesod.GitRepo (grContent)
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import Stackage.Database
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getDownloadR :: Handler Html
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getDownloadR = track "Hoogle.Download.getDownloadR" $
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redirectWith status301 InstallR
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getDownloadSnapshotsJsonR :: Handler Value
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getDownloadSnapshotsJsonR = track "Hoogle.Download.getDownloadSnapshotsJsonR"
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getDownloadLtsSnapshotsJsonR
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getDownloadLtsSnapshotsJsonR :: Handler Value
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getDownloadLtsSnapshotsJsonR = track "Hoogle.Download.getDownloadLtsSnapshotsJsonR" snapshotsJSON
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-- Print the ghc major version for the given snapshot.
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ghcMajorVersionText :: Snapshot -> Text
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ghcMajorVersionText = textDisplay . keepMajorVersion . ghcVersion . snapshotCompiler
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getGhcMajorVersionR :: SnapName -> Handler Text
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getGhcMajorVersionR name = track "Hoogle.Download.getGhcMajorVersionR" $ do
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snapshot <- lookupSnapshot name >>= maybe notFound return
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return $ ghcMajorVersionText $ entityVal snapshot
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getDownloadGhcLinksR :: SupportedArch -> Text -> Handler TypedContent
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getDownloadGhcLinksR arch fName =
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track "Hoogle.Download.getDownloadGhcLinksR" $ do
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ver <-
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maybe notFound return $
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stripPrefix "ghc-" >=> stripSuffix "-links.yaml" >=> ghcMajorVersionFromText $ fName
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ghcLinks <- getYesod >>= fmap wcGhcLinks . liftIO . grContent . appWebsiteContent
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case lookup (arch, ver) (ghcLinksMap ghcLinks) of
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Just text -> return $ TypedContent yamlMimeType $ toContent text
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Nothing -> notFound
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where
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yamlMimeType = "text/yaml"
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