49 lines
1.2 KiB
Haskell
49 lines
1.2 KiB
Haskell
{- Web url logs.
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-
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- Copyright 2011 Joey Hess <joey@kitenet.net>
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-
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- Licensed under the GNU GPL version 3 or higher.
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-}
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module Logs.Web (
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URLString,
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webUUID,
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setUrl,
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getUrls
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) where
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import Common.Annex
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import Logs.Presence
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import Logs.Location
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import Logs.UUID
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type URLString = String
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-- Dummy uuid for the whole web. Do not alter.
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webUUID :: UUID
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webUUID = "00000000-0000-0000-0000-000000000001"
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{- The urls for a key are stored in remote/web/hash/key.log
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- in the git-annex branch. -}
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urlLog :: Key -> FilePath
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urlLog key = "remote/web" </> hashDirLower key </> keyFile key ++ ".log"
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oldurlLog :: Key -> FilePath
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{- A bug used to store the urls elsewhere. -}
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oldurlLog key = "remote/web" </> hashDirLower key </> show key ++ ".log"
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getUrls :: Key -> Annex [URLString]
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getUrls key = do
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us <- currentLog (urlLog key)
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if null us
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then currentLog (oldurlLog key)
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else return us
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{- Records a change in an url for a key. -}
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setUrl :: Key -> URLString -> LogStatus -> Annex ()
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setUrl key url status = do
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g <- gitRepo
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addLog (urlLog key) =<< logNow status url
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-- update location log to indicate that the web has the key, or not
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us <- getUrls key
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logChange g key webUUID (if null us then InfoMissing else InfoPresent)
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