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160 lines
6.0 KiB
Haskell
160 lines
6.0 KiB
Haskell
{-
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Define the web application's foundation, in the usual Yesod style.
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See a default Yesod app's comments for more details of each part.
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-}
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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.Default.Config
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#ifndef DEVELOPMENT
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import Yesod.Default.Util (addStaticContentExternal)
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#endif
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import Network.HTTP.Conduit (Manager)
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-- import qualified Settings
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import Settings.Development (development)
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import Settings.StaticFiles
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import Settings ({-widgetFile,-} Extra (..))
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#ifndef DEVELOPMENT
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import Settings (staticDir)
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import Text.Jasmine (minifym)
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#endif
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import Web.ClientSession (getKey)
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-- import Text.Hamlet (hamletFile)
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import Hledger.Web.Options
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-- import Hledger.Web.Settings
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-- import Hledger.Web.Settings.StaticFiles
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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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, httpManager :: Manager
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--
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, appOpts :: WebOpts
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}
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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/handler
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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 AppRoute. 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 App = AppRoute
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-- * Creates the value resourcesApp 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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-- App. 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 AppRoute datatype. Therefore, we
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-- split these actions into two functions and place them in separate files.
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mkYesodData "App" $(parseRoutesFile "config/routes")
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-- | A convenience alias.
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type AppRoute = Route App
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type Form x = Html -> MForm App App (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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-- 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 _ = do
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key <- getKey ".hledger-web_client_session_key.aes"
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return . Just $ clientSessionBackend key 120
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-- defaultLayout widget = do
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-- master <- getYesod
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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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-- addStylesheet $ StaticR css_bootstrap_css
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-- $(widgetFile "default-layout")
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-- hamletToRepHtml $(hamletFile "templates/default-layout-wrapper.hamlet")
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defaultLayout widget = do
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pc <- widgetToPageContent $ do
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widget
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hamletToRepHtml [hamlet|
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$doctype 5
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<html>
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<head>
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<title>#{pageTitle pc}
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^{pageHead pc}
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<meta http-equiv=Content-Type content="text/html; charset=utf-8">
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<script type=text/javascript src=@{StaticR jquery_js}>
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<script type=text/javascript src=@{StaticR jquery_url_js}>
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<script type=text/javascript src=@{StaticR jquery_flot_js}>
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<!--[if lte IE 8]><script language="javascript" type="text/javascript" src="excanvas.min.js"></script><![endif]-->
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<script type=text/javascript src=@{StaticR dhtmlxcommon_js}>
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<script type=text/javascript src=@{StaticR dhtmlxcombo_js}>
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<script type=text/javascript src=@{StaticR hledger_js}>
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<link rel=stylesheet type=text/css media=all href=@{StaticR style_css}>
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<body>
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^{pageBody pc}
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|]
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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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#ifndef DEVELOPMENT
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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 minifym base64md5 Settings.staticDir (StaticR . flip StaticRoute [])
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#endif
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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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-- 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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