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 Settings.StaticFiles --snip import qualified Data.Text as T import Network.Wai as Wai import Data.List (tail) import Data.List.Split import Text.Printf prependZero :: Text -> Text prependZero t0 = if T.null t1 then t1 else if T.head t1 == '.' then '0' `T.cons` t1 else if "-." `T.isPrefixOf` t1 then "-0." `T.append` (T.drop 2 t1) else t1 where t1 = T.dropWhile ((==) ' ') t0 formatFloat :: Double -> Text formatFloat d = T.pack (pre ++ t ++ c) where t = reverse (intercalate "." $ chunksOf 3 $ reverse $ fst sp) c = "," ++ tail (snd sp) sp = (break (== '.') (printf "%.2f" (abs d))) pre = case d < 0 of True -> "-" False -> "" -- T.pack . (splitEvery 3) . (printf "%,2f") formatIntCurrency :: Int -> Text formatIntCurrency x = formatFloat $ ((fromIntegral x) / 100) -- | 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 mkMessage "App" "messages" "de" renderMessage' e = do m <- getYesod l <- languages return $ renderMessage m l e -- 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) approotRequest :: App -> Wai.Request -> T.Text approotRequest master req = case requestHeaderHost req of Just a -> prefix `T.append` decodeUtf8 a Nothing -> appRoot $ appSettings master where prefix = case isSecure req of True -> "https://" False -> "http://" -- 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 approot = ApprootRequest approotRequest -- Store session data on the client in encrypted cookies, -- default session idle timeout is 120 minutes makeSessionBackend _ = fmap 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 $(combineStylesheets 'StaticR [ css_bootstrap_css , css_main_css ]) $(combineScripts 'StaticR [ js_crementing_js , js_barcode_js ]) $(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 -> do -- fmap 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 -- 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