stackage-server/Handler/StackageHome.hs
Michael Snoyman ec57908a63 Fix a build failure
Pinging @DanBurton @chrisdone
2015-03-19 13:45:32 +02:00

257 lines
10 KiB
Haskell

module Handler.StackageHome where
import Import
import Data.Time (FormatTime)
import Data.Slug (SnapSlug)
import qualified Database.Esqueleto as E
import Handler.PackageList (cachedWidget)
getStackageHomeR :: SnapSlug -> Handler Html
getStackageHomeR slug = do
stackage <- runDB $ do
Entity _ stackage <- getBy404 $ UniqueSnapshot slug
return stackage
let minclusive =
if "inclusive" `isSuffixOf` stackageTitle stackage
then Just True
else if "exclusive" `isSuffixOf` stackageTitle stackage
then Just False
else Nothing
base = maybe 0 (const 1) minclusive :: Int
hoogleForm =
let queryText = "" :: Text
exact = False
in $(widgetFile "hoogle-form")
Entity sid _stackage <- runDB $ getBy404 $ UniqueSnapshot slug
defaultLayout $ do
setTitle $ toHtml $ stackageTitle stackage
cachedWidget (20 * 60) ("package-list-" ++ toPathPiece slug) $ do
let maxPackages = 5000
(packageListClipped, packages') <- handlerToWidget $ runDB $ do
packages' <- E.select $ E.from $ \(m,p) -> do
E.where_ $
(m E.^. MetadataName E.==. p E.^. PackageName') E.&&.
(p E.^. PackageStackage E.==. E.val sid)
E.orderBy [E.asc $ m E.^. MetadataName]
E.groupBy ( m E.^. MetadataName
, m E.^. MetadataSynopsis
)
E.limit maxPackages
return
( m E.^. MetadataName
, m E.^. MetadataSynopsis
, E.max_ (p E.^. PackageVersion)
, E.max_ $ E.case_
[ ( p E.^. PackageHasHaddocks
, p E.^. PackageVersion
)
]
(E.val (Version ""))
)
packageCount <- count [PackageStackage ==. sid]
let packageListClipped = packageCount > maxPackages
return (packageListClipped, packages')
let packages = flip map packages' $ \(name, syn, latestVersion, forceNotNull -> mversion) ->
( E.unValue name
, fmap unVersion $ E.unValue latestVersion
, strip $ E.unValue syn
, (<$> mversion) $ \version -> HaddockR slug $ return $ concat
[ toPathPiece $ E.unValue name
, "-"
, version
]
)
forceNotNull (E.Value Nothing) = Nothing
forceNotNull (E.Value (Just (Version v)))
| null v = Nothing
| otherwise = Just v
$(widgetFile "stackage-home")
where strip x = fromMaybe x (stripSuffix "." x)
getStackageMetadataR :: SnapSlug -> Handler TypedContent
getStackageMetadataR slug = do
Entity sid _ <- runDB $ getBy404 $ UniqueSnapshot slug
respondSourceDB typePlain $ do
sendChunkBS "Override packages\n"
sendChunkBS "=================\n"
stream sid True
sendChunkBS "\nPackages from Hackage\n"
sendChunkBS "=====================\n"
stream sid False
where
stream sid isOverwrite =
selectSource
[ PackageStackage ==. sid
, PackageOverwrite ==. isOverwrite
]
[ Asc PackageName'
, Asc PackageVersion
] $= mapC (Chunk . toBuilder . showPackage)
showPackage (Entity _ p) = concat
[ toPathPiece $ packageName' p
, "-"
, toPathPiece $ packageVersion p
, "\n"
]
getStackageCabalConfigR :: SnapSlug -> Handler TypedContent
getStackageCabalConfigR slug = do
Entity sid _ <- runDB $ getBy404 $ UniqueSnapshot slug
render <- getUrlRender
mdownload <- lookupGetParam "download"
when (mdownload == Just "true") $
addHeader "Content-Disposition" "attachment; filename=cabal.config"
mglobal <- lookupGetParam "global"
let isGlobal = mglobal == Just "true"
respondSourceDB typePlain $ stream isGlobal render sid
where
stream isGlobal render sid =
selectSource
[ PackageStackage ==. sid
]
[ Asc PackageName'
, Asc PackageVersion
] $= (if isGlobal then conduitGlobal else conduitLocal) render
conduitGlobal render = do
headerGlobal render
mapC (Chunk . showPackageGlobal)
conduitLocal render = do
headerLocal render
goFirst
mapC (Chunk . showPackageLocal)
yield $ Chunk $ toBuilder '\n'
headerGlobal render = yield $ Chunk $
toBuilder (asText "-- Stackage snapshot from: ") ++
toBuilder (snapshotUrl render) ++
toBuilder (asText "\n-- Please place these contents in your global cabal config file.\n-- To only use tested packages, uncomment the following line\n-- and comment out other remote-repo lines:\n-- remote-repo: stackage-") ++
toBuilder (toPathPiece slug) ++
toBuilder ':' ++
toBuilder (snapshotUrl render) ++
toBuilder '\n'
headerLocal render = yield $ Chunk $
toBuilder (asText "-- Stackage snapshot from: ") ++
toBuilder (snapshotUrl render) ++
toBuilder (asText "\n-- Please place this file next to your .cabal file as cabal.config\n-- To only use tested packages, uncomment the following line:\n-- remote-repo: stackage-") ++
toBuilder (toPathPiece slug) ++
toBuilder ':' ++
toBuilder (snapshotUrl render) ++
toBuilder '\n'
snapshotUrl render = asHttp $ render $ SnapshotR slug StackageHomeR
asHttp (stripPrefix "http://" -> Just s) = "http://" <> s
asHttp (stripPrefix "https://" -> Just s) = "http://" <> s
asHttp (stripPrefix "//" -> Just s) = "http://" <> s
asHttp s = error $ "Unexpected url prefix: " <> unpack s
constraint p
| Just True <- packageCore p = toBuilder $ asText " installed"
| otherwise = toBuilder (asText " ==") ++
toBuilder (toPathPiece $ packageVersion p)
showPackageGlobal (Entity _ p) =
toBuilder (asText "constraint: ") ++
toBuilder (toPathPiece $ packageName' p) ++
constraint p ++
toBuilder '\n'
goFirst = do
mx <- await
forM_ mx $ \(Entity _ p) -> yield $ Chunk $
toBuilder (asText "constraints: ") ++
toBuilder (toPathPiece $ packageName' p) ++
constraint p
showPackageLocal (Entity _ p) =
toBuilder (asText ",\n ") ++
toBuilder (toPathPiece $ packageName' p) ++
constraint p
yearMonthDay :: FormatTime t => t -> String
yearMonthDay = formatTime defaultTimeLocale "%Y-%m-%d"
getOldStackageR :: PackageSetIdent -> [Text] -> Handler ()
getOldStackageR ident pieces = do
Entity _ stackage <- runDB $ getBy404 $ UniqueStackage ident
case parseRoute ("snapshot" : toPathPiece (stackageSlug stackage) : pieces, []) of
Nothing -> notFound
Just route -> redirect (route :: Route App)
getSnapshotPackagesR :: SnapSlug -> Handler Html
getSnapshotPackagesR slug = do
Entity sid _stackage <- runDB $ getBy404 $ UniqueSnapshot slug
defaultLayout $ do
setTitle $ toHtml $ "Package list for " ++ toPathPiece slug
cachedWidget (20 * 60) ("package-list-" ++ toPathPiece slug) $ do
packages' <- handlerToWidget $ runDB $ E.select $ E.from $ \(m,p) -> do
E.where_ $
(m E.^. MetadataName E.==. p E.^. PackageName') E.&&.
(p E.^. PackageStackage E.==. E.val sid)
E.orderBy [E.asc $ m E.^. MetadataName]
E.groupBy ( m E.^. MetadataName
, m E.^. MetadataSynopsis
)
return
( m E.^. MetadataName
, m E.^. MetadataSynopsis
, E.max_ $ E.case_
[ ( p E.^. PackageHasHaddocks
, p E.^. PackageVersion
)
]
(E.val (Version ""))
)
let packages = flip map packages' $ \(name, syn, forceNotNull -> mversion) ->
( E.unValue name
, mversion
, strip $ E.unValue syn
, (<$> mversion) $ \version -> HaddockR slug $ return $ concat
[ toPathPiece $ E.unValue name
, "-"
, version
]
)
forceNotNull (E.Value Nothing) = Nothing
forceNotNull (E.Value (Just (Version v)))
| null v = Nothing
| otherwise = Just v
$(widgetFile "package-list")
where strip x = fromMaybe x (stripSuffix "." x)
mback = Just (SnapshotR slug StackageHomeR, "Return to snapshot")
getDocsR :: SnapSlug -> Handler Html
getDocsR slug = do
Entity sid _stackage <- runDB $ getBy404 $ UniqueSnapshot slug
defaultLayout $ do
setTitle $ toHtml $ "Module list for " ++ toPathPiece slug
cachedWidget (20 * 60) ("module-list-" ++ toPathPiece slug) $ do
modules' <- handlerToWidget $ runDB $ E.select $ E.from $ \(d,m) -> do
E.where_ $
(d E.^. DocsSnapshot E.==. E.val (Just sid)) E.&&.
(d E.^. DocsId E.==. m E.^. ModuleDocs)
E.orderBy [ E.asc $ m E.^. ModuleName
, E.asc $ d E.^. DocsName
]
return
( m E.^. ModuleName
, m E.^. ModuleUrl
, d E.^. DocsName
, d E.^. DocsVersion
)
let modules = flip map modules' $ \(name, url, package, version) ->
( E.unValue name
, E.unValue url
, E.unValue package
, E.unValue version
)
$(widgetFile "doc-list")