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|
{- git-annex assistant webapp
-
- Copyright 2012 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
{-# LANGUAGE TypeFamilies, QuasiQuotes, MultiParamTypeClasses, TemplateHaskell, OverloadedStrings #-}
module Assistant.Threads.WebApp where
import Assistant.Common
import Assistant.ThreadedMonad
import Assistant.DaemonStatus
import Utility.WebApp
import Yesod
import Network.Socket (PortNumber)
data WebApp = WebApp DaemonStatusHandle
mkYesod "WebApp" [parseRoutes|
/ HomeR GET
/config ConfigR GET
|]
instance Yesod WebApp
getHomeR :: Handler RepHtml
getHomeR = defaultLayout [whamlet|Hello, World<p><a href=@{ConfigR}>config|]
getConfigR :: Handler RepHtml
getConfigR = defaultLayout [whamlet|<a href=@{HomeR}>main|]
webAppThread :: ThreadState -> DaemonStatusHandle -> IO ()
webAppThread st dstatus = do
app <- toWaiApp (WebApp dstatus)
app' <- ifM debugEnabled
( return $ httpDebugLogger app
, return app
)
runWebApp app' $ \p -> runThreadState st $ writeHtmlShim p
{- Creates a html shim file that's used to redirect into the webapp. -}
writeHtmlShim :: PortNumber -> Annex ()
writeHtmlShim port = do
htmlshim <- fromRepo gitAnnexHtmlShim
liftIO $ writeFile htmlshim $ genHtmlShim port
{- TODO: generate this static file using Yesod. -}
genHtmlShim :: PortNumber -> String
genHtmlShim port = unlines
[ "<html>"
, "<head>"
, "<meta http-equiv=\"refresh\" content=\"0; URL=" ++ url ++ "\">"
, "</head>"
, "<body>"
, "<p>"
, "<a href=\"" ++ url ++ "\">Starting webapp...</a>"
, "</p>"
, "</body>"
]
where
url = "http://localhost:" ++ show port ++ "/"
|
