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121 lines
4.4 KiB
Haskell
121 lines
4.4 KiB
Haskell
{-# LANGUAGE QuasiQuotes, TemplateHaskell, TypeFamilies #-}
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{-# LANGUAGE OverloadedStrings #-}
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module App
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( App (..)
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, AppRoute (..)
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, resourcesApp
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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 Control.Monad
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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 qualified Data.ByteString.Lazy as L
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import qualified Data.Text as T
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import System.Directory
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import Text.Hamlet hiding (hamletFile)
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import Yesod.Core
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import Yesod.Helpers.Static
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import Hledger.Cli.Options
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import Hledger.Data
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import Settings
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import 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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{getStatic :: Static -- ^ Settings for static file serving.
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,appRoot :: T.Text
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,appOpts :: [Opt]
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,appArgs :: [String]
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,appJournal :: Journal
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}
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-- | A useful synonym; most of the handler functions in your application
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-- will need to be of this type.
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type Handler = GHandler App App
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-- | A useful synonym; most of the widgets functions in your application
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-- will need to be of this type.
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type Widget = GWidget App App
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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 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 Controller.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 "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 App where
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approot = appRoot
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defaultLayout widget = do
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-- mmsg <- getMessage
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pc <- widgetToPageContent $ do
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widget
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-- addCassius $(Settings.cassiusFile "default-layout")
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hamletToRepHtml [$hamlet|
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!!!
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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 a (StaticR s) =
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-- Just $ uncurry (joinPath a Settings.staticroot) $ renderRoute s
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-- urlRenderOverride _ _ = Nothing
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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 ext' _ content = do
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let fn = base64md5 content ++ '.' : T.unpack ext'
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let statictmp = Settings.staticdir ++ "/tmp/"
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liftIO $ createDirectoryIfMissing True statictmp
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let fn' = statictmp ++ fn
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exists <- liftIO $ doesFileExist fn'
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unless exists $ liftIO $ L.writeFile fn' content
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return $ Just $ Right (StaticR $ StaticRoute ["tmp", T.pack fn] [], [])
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