module Foundation where import Import.NoFoundation import Database.Persist.Sql (ConnectionPool, runSqlPool) import Text.Hamlet (hamletFile) import Text.Jasmine (minifym) import Yesod.Auth.BrowserId (authBrowserId) import Yesod.Default.Util (addStaticContentExternal) import Yesod.Core.Types (Logger) import qualified Yesod.Core.Unsafe as Unsafe -- | The foundation datatype for your application. This can be a good place to -- keep settings and values requiring initialization before your application -- starts running, such as database connections. Every handler will have -- access to the data present here. data App = App { appSettings :: AppSettings , appStatic :: Static -- ^ Settings for static file serving. , appConnPool :: ConnectionPool -- ^ Database connection pool. , appHttpManager :: Manager , appLogger :: Logger } instance HasHttpManager App where getHttpManager = appHttpManager -- This is where we define all of the routes in our application. For a full -- explanation of the syntax, please see: -- http://www.yesodweb.com/book/routing-and-handlers -- -- Note that this is really half the story; in Application.hs, mkYesodDispatch -- generates the rest of the code. Please see the linked documentation for an -- explanation for this split. mkYesodData "App" $(parseRoutesFile "config/routes") -- | A convenient synonym for creating forms. type Form x = Html -> MForm (HandlerT App IO) (FormResult x, Widget) -- Please see the documentation for the Yesod typeclass. There are a number -- of settings which can be configured by overriding methods here. instance Yesod App where -- Controls the base of generated URLs. For more information on modifying, -- see: https://github.com/yesodweb/yesod/wiki/Overriding-approot approot = ApprootMaster $ appRoot . appSettings -- Store session data on the client in encrypted cookies, -- default session idle timeout is 120 minutes makeSessionBackend _ = Just <$> defaultClientSessionBackend 120 -- timeout in minutes "config/client_session_key.aes" defaultLayout widget = do master <- getYesod mmsg <- getMessage -- We break up the default layout into two components: -- default-layout is the contents of the body tag, and -- default-layout-wrapper is the entire page. Since the final -- value passed to hamletToRepHtml cannot be a widget, this allows -- you to use normal widget features in default-layout. pc <- widgetToPageContent $ do addStylesheet $ StaticR css_bootstrap_css $(widgetFile "default-layout") withUrlRenderer $(hamletFile "templates/default-layout-wrapper.hamlet") -- The page to be redirected to when authentication is required. authRoute _ = Just $ AuthR LoginR -- Routes not requiring authentication. isAuthorized (AuthR _) _ = return Authorized isAuthorized FaviconR _ = return Authorized isAuthorized RobotsR _ = return Authorized -- Default to Authorized for now. isAuthorized _ _ = return Authorized -- This function creates static content files in the static folder -- and names them based on a hash of their content. This allows -- expiration dates to be set far in the future without worry of -- users receiving stale content. addStaticContent ext mime content = do master <- getYesod let staticDir = appStaticDir $ appSettings master addStaticContentExternal minifym genFileName staticDir (StaticR . flip StaticRoute []) ext mime content where -- Generate a unique filename based on the content itself genFileName lbs = "autogen-" ++ base64md5 lbs -- What messages should be logged. The following includes all messages when -- in development, and warnings and errors in production. shouldLog app _source level = appShouldLogAll (appSettings app) || level == LevelWarn || level == LevelError makeLogger = return . appLogger -- How to run database actions. instance YesodPersist App where type YesodPersistBackend App = SqlBackend runDB action = do master <- getYesod runSqlPool action $ appConnPool master instance YesodPersistRunner App where getDBRunner = defaultGetDBRunner appConnPool instance YesodAuth App where type AuthId App = UserId -- Where to send a user after successful login loginDest _ = HomeR -- Where to send a user after logout logoutDest _ = HomeR -- Override the above two destinations when a Referer: header is present redirectToReferer _ = True getAuthId creds = runDB $ do x <- getBy $ UniqueUser $ credsIdent creds case x of Just (Entity uid _) -> return $ Just uid Nothing -> Just <$> insert User { userIdent = credsIdent creds , userPassword = Nothing } -- You can add other plugins like BrowserID, email or OAuth here authPlugins _ = [authBrowserId def] authHttpManager = getHttpManager instance YesodAuthPersist App -- This instance is required to use forms. You can modify renderMessage to -- achieve customized and internationalized form validation messages. instance RenderMessage App FormMessage where renderMessage _ _ = defaultFormMessage unsafeHandler :: App -> Handler a -> IO a unsafeHandler = Unsafe.fakeHandlerGetLogger appLogger -- Note: Some functionality previously present in the scaffolding has been -- moved to documentation in the Wiki. Following are some hopefully helpful -- links: -- -- https://github.com/yesodweb/yesod/wiki/Sending-email -- https://github.com/yesodweb/yesod/wiki/Serve-static-files-from-a-separate-domain -- https://github.com/yesodweb/yesod/wiki/i18n-messages-in-the-scaffolding