164 lines
5.9 KiB
Haskell
164 lines
5.9 KiB
Haskell
module Foundation
|
|
( App (..)
|
|
, Route (..)
|
|
, AppMessage (..)
|
|
, resourcesApp
|
|
, Handler
|
|
, Widget
|
|
, Form
|
|
, maybeAuth
|
|
, requireAuth
|
|
, module Settings
|
|
, module Model
|
|
, getExtra
|
|
) where
|
|
|
|
import Prelude
|
|
import Yesod
|
|
import Yesod.Static
|
|
import Yesod.Auth
|
|
import Yesod.Auth.BrowserId
|
|
import Yesod.Auth.GoogleEmail
|
|
import Yesod.Default.Config
|
|
import Yesod.Default.Util (addStaticContentExternal)
|
|
import Network.HTTP.Conduit (Manager)
|
|
import qualified Settings
|
|
import qualified Database.Persist.Store
|
|
import Settings.StaticFiles
|
|
import Database.Persist.GenericSql
|
|
import Settings (widgetFile, Extra (..))
|
|
import Model
|
|
import Text.Jasmine (minifym)
|
|
import Web.ClientSession (getKey)
|
|
import Text.Hamlet (hamletFile)
|
|
|
|
import Lib.Css.Helper
|
|
|
|
-- | The site argument 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
|
|
{ settings :: AppConfig DefaultEnv Extra
|
|
, getStatic :: Static -- ^ Settings for static file serving.
|
|
, connPool :: Database.Persist.Store.PersistConfigPool Settings.PersistConfig -- ^ Database connection pool.
|
|
, httpManager :: Manager
|
|
, persistConfig :: Settings.PersistConfig
|
|
}
|
|
|
|
-- Set up i18n messages. See the message folder.
|
|
mkMessage "App" "messages" "en"
|
|
|
|
-- 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/handler
|
|
--
|
|
-- This function does three things:
|
|
--
|
|
-- * Creates the route datatype AppRoute. Every valid URL in your
|
|
-- application can be represented as a value of this type.
|
|
-- * Creates the associated type:
|
|
-- type instance Route App = AppRoute
|
|
-- * Creates the value resourcesApp which contains information on the
|
|
-- resources declared below. This is used in Handler.hs by the call to
|
|
-- mkYesodDispatch
|
|
--
|
|
-- What this function does *not* do is create a YesodSite instance for
|
|
-- App. Creating that instance requires all of the handler functions
|
|
-- for our application to be in scope. However, the handler functions
|
|
-- usually require access to the AppRoute datatype. Therefore, we
|
|
-- split these actions into two functions and place them in separate files.
|
|
mkYesodData "App" $(parseRoutesFile "config/routes")
|
|
|
|
type Form x = Html -> MForm App App (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
|
|
approot = ApprootMaster $ appRoot . settings
|
|
|
|
-- Store session data on the client in encrypted cookies,
|
|
-- default session idle timeout is 120 minutes
|
|
makeSessionBackend _ = do
|
|
key <- getKey "config/client_session_key.aes"
|
|
return . Just $ clientSessionBackend key 120
|
|
|
|
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
|
|
$(widgetFile "normalize")
|
|
$(widgetFile "ycss")
|
|
$(widgetFile "default-layout")
|
|
hamletToRepHtml $(hamletFile "templates/default-layout-wrapper.hamlet")
|
|
|
|
-- This is done to provide an optimization for serving static files from
|
|
-- a separate domain. Please see the staticRoot setting in Settings.hs
|
|
urlRenderOverride y (StaticR s) =
|
|
Just $ uncurry (joinPath y (Settings.staticRoot $ settings y)) $ renderRoute s
|
|
urlRenderOverride _ _ = Nothing
|
|
|
|
-- The page to be redirected to when authentication is required.
|
|
authRoute _ = Just $ AuthR LoginR
|
|
|
|
-- 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 = addStaticContentExternal minifym base64md5 Settings.staticDir (StaticR . flip StaticRoute [])
|
|
|
|
-- Place Javascript at bottom of the body tag so the rest of the page loads first
|
|
jsLoader _ = BottomOfBody
|
|
|
|
-- How to run database actions.
|
|
instance YesodPersist App where
|
|
type YesodPersistBackend App = SqlPersist
|
|
runDB f = do
|
|
master <- getYesod
|
|
Database.Persist.Store.runPool
|
|
(persistConfig master)
|
|
f
|
|
(connPool master)
|
|
|
|
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
|
|
|
|
getAuthId creds = runDB $ do
|
|
x <- getBy $ UniqueUser $ credsIdent creds
|
|
case x of
|
|
Just (Entity uid _) -> return $ Just uid
|
|
Nothing -> do
|
|
fmap Just $ insert $ User (credsIdent creds) Nothing Nothing False
|
|
|
|
-- You can add other plugins like BrowserID, email or OAuth here
|
|
authPlugins _ = [authBrowserId, authGoogleEmail]
|
|
|
|
authHttpManager = httpManager
|
|
|
|
-- 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
|
|
|
|
-- | Get the 'Extra' value, used to hold data from the settings.yml file.
|
|
getExtra :: Handler Extra
|
|
getExtra = fmap (appExtra . settings) getYesod
|
|
|
|
-- Note: previous versions of the scaffolding included a deliver function to
|
|
-- send emails. Unfortunately, there are too many different options for us to
|
|
-- give a reasonable default. Instead, the information is available on the
|
|
-- wiki:
|
|
--
|
|
-- https://github.com/yesodweb/yesod/wiki/Sending-email
|