90 lines
2.7 KiB
Haskell
90 lines
2.7 KiB
Haskell
{- git-annex assistant webapp sidebar
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-
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- Copyright 2012 Joey Hess <joey@kitenet.net>
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-
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- Licensed under the GNU AGPL version 3 or higher.
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-}
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{-# LANGUAGE TypeFamilies, QuasiQuotes, MultiParamTypeClasses, TemplateHaskell, OverloadedStrings, RankNTypes #-}
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module Assistant.WebApp.SideBar where
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import Assistant.Common
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import Assistant.WebApp
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import Assistant.WebApp.Types
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import Assistant.WebApp.Notifications
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import Assistant.Alert
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import Assistant.DaemonStatus
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import Utility.NotificationBroadcaster
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import Utility.Yesod
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import Yesod
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import Data.Text (Text)
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import qualified Data.Map as M
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import Control.Concurrent
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sideBarDisplay :: Widget
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sideBarDisplay = do
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let content = do
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{- Add newest alerts to the sidebar. -}
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alertpairs <- lift $ M.toList . alertMap
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<$> liftAssistant getDaemonStatus
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mapM_ renderalert $
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take displayAlerts $ reverse $ sortAlertPairs alertpairs
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let ident = "sidebar"
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$(widgetFile "sidebar/main")
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autoUpdate ident NotifierSideBarR (10 :: Int) (10 :: Int)
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where
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bootstrapclass :: AlertClass -> Text
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bootstrapclass Activity = "alert-info"
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bootstrapclass Warning = "alert"
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bootstrapclass Error = "alert-error"
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bootstrapclass Success = "alert-success"
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bootstrapclass Message = "alert-info"
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renderalert (aid, alert) = do
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let alertid = show aid
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let closable = alertClosable alert
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let block = alertBlockDisplay alert
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let divclass = bootstrapclass $ alertClass alert
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$(widgetFile "sidebar/alert")
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{- Called by client to get a sidebar display.
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-
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- Returns a div, which will be inserted into the calling page.
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-
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- Note that the head of the widget is not included, only its
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- body is. To get the widget head content, the widget is also
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- inserted onto all pages.
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-}
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getSideBarR :: NotificationId -> Handler RepHtml
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getSideBarR nid = do
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waitNotifier getAlertBroadcaster nid
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{- This 0.1 second delay avoids very transient notifications from
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- being displayed and churning the sidebar unnecesarily.
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-
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- This needs to be below the level perceptable by the user,
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- to avoid slowing down user actions like closing alerts. -}
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liftIO $ threadDelay 100000
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page <- widgetToPageContent sideBarDisplay
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hamletToRepHtml $ [hamlet|^{pageBody page}|]
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{- Called by the client to close an alert. -}
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getCloseAlert :: AlertId -> Handler ()
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getCloseAlert = liftAssistant . removeAlert
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{- When an alert with a button is clicked on, the button takes us here. -}
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getClickAlert :: AlertId -> Handler ()
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getClickAlert i = do
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m <- alertMap <$> liftAssistant getDaemonStatus
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case M.lookup i m of
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Just (Alert { alertButton = Just b }) -> do
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{- Spawn a thread to run the action while redirecting. -}
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case buttonAction b of
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Nothing -> noop
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Just a -> liftIO $ void $ forkIO $ a i
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redirect $ buttonUrl b
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_ -> redirectBack
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