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|
{- git-annex assistant webapp dashboard
-
- Copyright 2012 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
{-# LANGUAGE CPP, TypeFamilies, QuasiQuotes, MultiParamTypeClasses, TemplateHaskell, OverloadedStrings, RankNTypes #-}
module Assistant.WebApp.DashBoard where
import Assistant.Common
import Assistant.WebApp
import Assistant.WebApp.SideBar
import Assistant.WebApp.Notifications
import Assistant.WebApp.Configurators
import Assistant.DaemonStatus
import Assistant.TransferQueue
import Utility.NotificationBroadcaster
import Utility.Yesod
import Logs.Transfer
import Utility.Percentage
import Utility.DataUnits
import Types.Key
import qualified Remote
import qualified Git
import Yesod
import Text.Hamlet
import qualified Data.Map as M
import Control.Concurrent
{- A display of currently running and queued transfers.
-
- Or, if there have never been any this run, an intro display. -}
transfersDisplay :: Bool -> Widget
transfersDisplay warnNoScript = do
webapp <- lift getYesod
current <- lift $ runAnnex [] $
M.toList . currentTransfers
<$> liftIO (getDaemonStatus $ daemonStatus webapp)
queued <- liftIO $ getTransferQueue $ transferQueue webapp
let ident = "transfers"
autoUpdate ident NotifierTransfersR (10 :: Int) (10 :: Int)
let transfers = current ++ queued ++ dummy
if null transfers
then ifM (lift $ showIntro <$> getWebAppState)
( introDisplay ident
, $(widgetFile "dashboard/transfers")
)
else $(widgetFile "dashboard/transfers")
where
dummy = [(t, i), (t, i)]
t = Transfer Download (UUID "00000000-0000-0000-0000-000000000001") k
k = Types.Key.Key "foo" "bar" Nothing Nothing
i = TransferInfo Nothing Nothing Nothing Nothing Nothing Nothing
{- Called by client to get a display of currently in process transfers.
-
- Returns a div, which will be inserted into the calling page.
-
- Note that the head of the widget is not included, only its
- body is. To get the widget head content, the widget is also
- inserted onto the getHomeR page.
-}
getTransfersR :: NotificationId -> Handler RepHtml
getTransfersR nid = do
waitNotifier transferNotifier nid
page <- widgetToPageContent $ transfersDisplay False
hamletToRepHtml $ [hamlet|^{pageBody page}|]
{- The main dashboard. -}
dashboard :: Bool -> Widget
dashboard warnNoScript = do
sideBarDisplay
let content = transfersDisplay warnNoScript
$(widgetFile "dashboard/main")
getHomeR :: Handler RepHtml
getHomeR = ifM (inFirstRun)
( redirect ConfigR
, bootstrap (Just DashBoard) $ dashboard True
)
{- Same as HomeR, except no autorefresh at all (and no noscript warning). -}
getNoScriptR :: Handler RepHtml
getNoScriptR = bootstrap (Just DashBoard) $ dashboard False
{- Same as HomeR, except with autorefreshing via meta refresh. -}
getNoScriptAutoR :: Handler RepHtml
getNoScriptAutoR = bootstrap (Just DashBoard) $ do
let ident = NoScriptR
let delayseconds = 3 :: Int
let this = NoScriptAutoR
toWidgetHead $(hamletFile $ hamletTemplate "dashboard/metarefresh")
dashboard False
{- The javascript code does a post. -}
postFileBrowserR :: Handler ()
postFileBrowserR = void openFileBrowser
{- Used by non-javascript browsers, where clicking on the link actually
- opens this page, so we redirect back to the referrer. -}
getFileBrowserR :: Handler ()
getFileBrowserR = whenM openFileBrowser $ redirectBack
redirectBack :: Handler ()
redirectBack = do
clearUltDest
setUltDestReferer
redirectUltDest HomeR
{- Opens the system file browser on the repo, or, as a fallback,
- goes to a file:// url. Returns True if it's ok to redirect away
- from the page (ie, the system file browser was opened).
-
- Note that the command is opened using a different thread, to avoid
- blocking the response to the browser on it. -}
openFileBrowser :: Handler Bool
openFileBrowser = do
path <- runAnnex (error "no configured repository") $
fromRepo Git.repoPath
ifM (liftIO $ inPath cmd <&&> inPath cmd)
( do
void $ liftIO $ forkIO $ void $
boolSystem cmd [Param path]
return True
, do
clearUltDest
setUltDest $ "file://" ++ path
void $ redirectUltDest HomeR
return False
)
where
#if OSX
cmd = "open"
#else
cmd = "xdg-open"
#endif
{- Transfer controls. The GET is done in noscript mode and redirects back
- to the referring page. The POST is called by javascript. -}
getPauseTransferR :: Transfer -> Handler ()
getPauseTransferR t = pauseTransfer t >> redirectBack
postPauseTransferR :: Transfer -> Handler ()
postPauseTransferR t = pauseTransfer t
getStartTransferR :: Transfer -> Handler ()
getStartTransferR t = startTransfer t >> redirectBack
postStartTransferR :: Transfer -> Handler ()
postStartTransferR t = startTransfer t
getCancelTransferR :: Transfer -> Handler ()
getCancelTransferR t = cancelTransfer t >> redirectBack
postCancelTransferR :: Transfer -> Handler ()
postCancelTransferR t = cancelTransfer t
pauseTransfer :: Transfer -> Handler ()
pauseTransfer t = liftIO $ putStrLn "pause"
startTransfer :: Transfer -> Handler ()
startTransfer t = liftIO $ putStrLn "start"
cancelTransfer :: Transfer -> Handler ()
cancelTransfer t = liftIO $ putStrLn "cancel"
|
