102 lines
4.0 KiB
Plaintext
102 lines
4.0 KiB
Plaintext
module Foundation
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( ~sitearg~ (..)
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, ~sitearg~Route (..)
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, ~sitearg~Message (..)
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, resources~sitearg~
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, Handler
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, Widget
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, module Yesod.Core
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, module Settings
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, StaticRoute (..)
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, lift
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, liftIO
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) where
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import Prelude
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import Yesod.Core hiding (AppConfig (..))
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import Yesod.Default.Config
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import Yesod.Default.Util (addStaticContentExternal)
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import Yesod.Static (Static, base64md5, StaticRoute(..))
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import Settings.StaticFiles
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import Yesod.Logger (Logger, logLazyText)
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import qualified Settings
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import Settings (widgetFile)
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import Control.Monad.Trans.Class (lift)
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import Control.Monad.IO.Class (liftIO)
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import Web.ClientSession (getKey)
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import Text.Hamlet (hamletFile)
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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 ~sitearg~ = ~sitearg~
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{ settings :: AppConfig DefaultEnv ()
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, getLogger :: Logger
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, getStatic :: Static -- ^ Settings for static file serving.
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}
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-- Set up i18n messages. See the message folder.
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mkMessage "~sitearg~" "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://docs.yesodweb.com/book/web-routes-quasi/
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--
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-- This function does three things:
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--
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-- * Creates the route datatype ~sitearg~Route. Every valid URL in your
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-- application can be represented as a value of this type.
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-- * Creates the associated type:
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-- type instance Route ~sitearg~ = ~sitearg~Route
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-- * Creates the value resources~sitearg~ which contains information on the
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-- resources declared below. This is used in Handler.hs by the call to
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-- mkYesodDispatch
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--
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-- What this function does *not* do is create a YesodSite instance for
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-- ~sitearg~. Creating that instance requires all of the handler functions
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-- for our application to be in scope. However, the handler functions
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-- usually require access to the ~sitearg~Route datatype. Therefore, we
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-- split these actions into two functions and place them in separate files.
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mkYesodData "~sitearg~" $(parseRoutesFile "config/routes")
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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 ~sitearg~ where
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approot = appRoot . settings
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-- Place the session key file in the config folder
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encryptKey _ = fmap Just $ getKey "config/client_session_key.aes"
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defaultLayout widget = do
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mmsg <- getMessage
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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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$(widgetFile "normalize")
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$(widgetFile "default-layout")
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hamletToRepHtml $(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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messageLogger y loc level msg =
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formatLogMessage loc level msg >>= logLazyText (getLogger y)
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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 = addStaticContentExternal (const $ Left ()) base64md5 Settings.staticDir (StaticR . flip StaticRoute [])
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-- Enable Javascript async loading
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yepnopeJs _ = Just $ Right $ StaticR js_modernizr_js
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