178 lines
6.6 KiB
Haskell
178 lines
6.6 KiB
Haskell
module Foundation where
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import Prelude
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import Yesod
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import Yesod.Static
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-- import Yesod.Auth
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-- import Yesod.Auth.BrowserId
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import Yesod.Default.Config
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import Yesod.Default.Util (addStaticContentExternal)
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import Network.HTTP.Client.Conduit (Manager, HasHttpManager (getHttpManager))
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import qualified Settings
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import Settings.Development (development)
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import qualified Database.Persist
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import Database.Persist.Sql (SqlPersistT)
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import Settings.StaticFiles
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import Settings (widgetFile, Extra (..))
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import Model
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import Text.Jasmine (minifym)
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import Text.Hamlet (hamletFile)
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import Yesod.Core.Types (Logger)
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-- costom imports
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import Data.Text
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import Helper
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-- | The site argument for your application. This can be a good place to
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-- keep settings and values requiring initialization before your application
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-- starts running, such as database connections. Every handler will have
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-- access to the data present here.
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data App = App
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{ settings :: AppConfig DefaultEnv Extra
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, getStatic :: Static -- ^ Settings for static file serving.
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, connPool :: Database.Persist.PersistConfigPool Settings.PersistConf -- ^ Database connection pool.
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, httpManager :: Manager
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, persistConfig :: Settings.PersistConf
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, appLogger :: Logger
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}
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instance HasHttpManager App where
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getHttpManager = httpManager
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-- Set up i18n messages. See the message folder.
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mkMessage "App" "messages" "en"
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-- This is where we define all of the routes in our application. For a full
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-- explanation of the syntax, please see:
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-- http://www.yesodweb.com/book/routing-and-handlers
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--
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-- Note that this is really half the story; in Application.hs, mkYesodDispatch
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-- generates the rest of the code. Please see the linked documentation for an
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-- explanation for this split.
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mkYesodData "App" $(parseRoutesFile "config/routes")
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type Form x = Html -> MForm (HandlerT App IO) (FormResult x, Widget)
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-- Please see the documentation for the Yesod typeclass. There are a number
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-- of settings which can be configured by overriding methods here.
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instance Yesod App where
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approot = ApprootMaster $ appRoot . settings
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-- change maximum content length
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maximumContentLength _ _ = Just $ 1024 ^ 5
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-- Store session data on the client in encrypted cookies,
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-- default session idle timeout is 120 minutes
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makeSessionBackend _ = fmap Just $ defaultClientSessionBackend
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120 -- timeout in minutes
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"config/client_session_key.aes"
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defaultLayout widget = do
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master <- getYesod
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mmsg <- getMessage
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msu <- lookupSession "userId"
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username <- case msu of
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Just a -> do
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uId <- return $ getUserIdFromText a
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user <- runDB $ getJust uId
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return $ userName user
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Nothing -> do
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return ("" :: Text)
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slug <- case msu of
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Just a -> do
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uId <- return $ getUserIdFromText a
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user <- runDB $ getJust uId
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return $ userSlug user
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Nothing -> do
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return ("" :: Text)
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block <- fmap extraSignupBlocked getExtra
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-- We break up the default layout into two components:
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-- default-layout is the contents of the body tag, and
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-- default-layout-wrapper is the entire page. Since the final
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-- value passed to hamletToRepHtml cannot be a widget, this allows
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-- you to use normal widget features in default-layout.
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pc <- widgetToPageContent $ do
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$(combineStylesheets 'StaticR
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[ css_normalize_css
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, css_bootstrap_css
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])
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$(widgetFile "default-layout")
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giveUrlRenderer $(hamletFile "templates/default-layout-wrapper.hamlet")
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-- This is done to provide an optimization for serving static files from
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-- a separate domain. Please see the staticRoot setting in Settings.hs
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urlRenderOverride y (StaticR s) =
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Just $ uncurry (joinPath y (Settings.staticRoot $ settings y)) $ renderRoute s
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urlRenderOverride _ _ = Nothing
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-- The page to be redirected to when authentication is required.
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-- authRoute _ = Just $ AuthR LoginR
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-- This function creates static content files in the static folder
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-- and names them based on a hash of their content. This allows
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-- expiration dates to be set far in the future without worry of
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-- users receiving stale content.
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addStaticContent =
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addStaticContentExternal minifym genFileName Settings.staticDir (StaticR . flip StaticRoute [])
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where
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-- Generate a unique filename based on the content itself
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genFileName lbs
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| development = "autogen-" ++ base64md5 lbs
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| otherwise = base64md5 lbs
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-- Place Javascript at bottom of the body tag so the rest of the page loads first
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jsLoader _ = BottomOfBody
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-- What messages should be logged. The following includes all messages when
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-- in development, and warnings and errors in production.
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shouldLog _ _source level =
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development || level == LevelWarn || level == LevelError
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makeLogger = return . appLogger
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-- How to run database actions.
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instance YesodPersist App where
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type YesodPersistBackend App = SqlPersistT
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runDB = defaultRunDB persistConfig connPool
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instance YesodPersistRunner App where
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getDBRunner = defaultGetDBRunner connPool
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-- instance YesodAuth App where
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-- type AuthId App = UserId
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-- Where to send a user after successful login
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-- loginDest _ = HomeR
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-- Where to send a user after logout
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-- logoutDest _ = HomeR
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-- getAuthId creds = runDB $ do
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-- x <- getBy $ UniqueUser $ credsIdent creds
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-- case x of
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-- Just (Entity uid _) -> return $ Just uid
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-- Nothing -> do
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-- fmap Just $ insert User
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-- { userIdent = credsIdent creds
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-- , userPassword = Nothing
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-- }
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-- You can add other plugins like BrowserID, email or OAuth here
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-- authPlugins _ = [authBrowserId def]
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-- authHttpManager = httpManager
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-- This instance is required to use forms. You can modify renderMessage to
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-- achieve customized and internationalized form validation messages.
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instance RenderMessage App FormMessage where
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renderMessage _ _ = defaultFormMessage
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-- | Get the 'Extra' value, used to hold data from the settings.yml file.
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getExtra :: Handler Extra
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getExtra = fmap (appExtra . settings) getYesod
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-- Note: previous versions of the scaffolding included a deliver function to
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-- send emails. Unfortunately, there are too many different options for us to
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-- give a reasonable default. Instead, the information is available on the
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-- wiki:
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--
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-- https://github.com/yesodweb/yesod/wiki/Sending-email
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