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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 Text.Hamlet
import Network.Socket (PortNumber)
import Text.Blaze.Renderer.Utf8
import Data.ByteString.Lazy as L
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 $ L.writeFile htmlshim $ genHtmlShim port
{- TODO: generate this static file using Yesod. -}
genHtmlShim :: PortNumber -> L.ByteString
genHtmlShim port = renderHtml [shamlet|
!!!
<html>
<head>
<meta http-equiv="refresh" content="0; URL=#{url}">
<body>
<p>
<a href="#{url}">Starting webapp...
|]
where
url = "http://localhost:" ++ show port ++ "/"
|
