hledger/hledger-web/Hledger/Web/Foundation.hs
2012-05-29 02:53:33 +00:00

110 lines
3.8 KiB
Haskell

{-# LANGUAGE QuasiQuotes, TemplateHaskell, TypeFamilies, OverloadedStrings, CPP #-}
{-
Define the web application's foundation, in the usual Yesod style.
See a default Yesod app's comments for more details of each part.
-}
module Hledger.Web.Foundation
( App (..)
, Route (..)
, AppRoute
-- , AppMessage (..)
, resourcesApp
, Handler
, Widget
, module Yesod.Core
, liftIO
) where
import Prelude
import Yesod.Core hiding (Route)
import Yesod.Default.Config
#ifndef DEVELOPMENT
import Yesod.Default.Util (addStaticContentExternal)
#endif
import Yesod.Static
import Yesod.Logger (Logger, logMsg, formatLogText)
import Control.Monad.IO.Class (liftIO)
import Hledger.Web.Options
import Hledger.Web.Settings
import Hledger.Web.Settings.StaticFiles
-- | The web application's configuration and data, available to all request handlers.
data App = App
{ settings :: AppConfig DefaultEnv Extra
, getLogger :: Logger
, getStatic :: Static -- ^ Settings for static file serving.
, appOpts :: WebOpts
-- , appJournal :: Journal
}
-- Set up i18n messages.
-- mkMessage "App" "messages" "en"
-- The web application's routes (urls).
mkYesodData "App" $(parseRoutesFile "routes")
-- | A convenience alias.
type AppRoute = Route App
-- More configuration, including the default page layout.
instance Yesod App where
-- approot = Hledger.Web.Settings.appRoot . settings
approot = ApprootMaster $ appRoot . settings
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 "default-layout")
-- hamletToRepHtml $(hamletFile "templates/default-layout-wrapper.hamlet")
pc <- widgetToPageContent $ do
widget
hamletToRepHtml [hamlet|
$doctype 5
<html
<head
<title>#{pageTitle pc}
^{pageHead pc}
<meta http-equiv=Content-Type content="text/html; charset=utf-8"
<script type=text/javascript src=@{StaticR jquery_js}
<script type=text/javascript src=@{StaticR jquery_url_js}
<script type=text/javascript src=@{StaticR jquery_flot_js}
<!--[if lte IE 8]><script language="javascript" type="text/javascript" src="excanvas.min.js"></script><![endif]-->
<script type=text/javascript src=@{StaticR dhtmlxcommon_js}
<script type=text/javascript src=@{StaticR dhtmlxcombo_js}
<script type=text/javascript src=@{StaticR hledger_js}
<link rel=stylesheet type=text/css media=all href=@{StaticR style_css}
<body
^{pageBody pc}
|]
-- 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
messageLogger y loc level msg =
formatLogText (getLogger y) loc level msg >>= logMsg (getLogger y)
#ifndef DEVELOPMENT
-- 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 (const $ Left ()) base64md5 Hledger.Web.Settings.staticDir (StaticR . flip StaticRoute [])
#endif
-- Place Javascript at bottom of the body tag so the rest of the page loads first
jsLoader _ = BottomOfBody