run yesod, and launch webapp on startup

Assistant/Threads/WebApp.hs

@@ -0,0 +1,43 @@
+{- 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.DaemonStatus
+import Utility.WebApp
+
+import Yesod
+
+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 :: DaemonStatusHandle -> IO ()
+webAppThread dstatus = do
+	app <- toWaiApp (WebApp dstatus)
+	app' <- ifM debugEnabled
+		( return $ httpDebugLogger app
+		, return app
+		)
+	runWebApp app' browser
+	where
+		browser p = void $
+			runBrowser $ "http://" ++ localhost ++ ":" ++ show p