56 lines
1.5 KiB
Haskell
56 lines
1.5 KiB
Haskell
{- git-annex command
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-
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- Copyright 2014 Joey Hess <id@joeyh.name>
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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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module Command.SetPresentKey where
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import Command
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import Logs.Location
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import Logs.Presence.Pure
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cmd :: Command
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cmd = noCommit $
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command "setpresentkey" SectionPlumbing
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"change records of where key is present"
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(paramPair paramKey (paramPair paramUUID "[1|0]"))
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(seek <$$> optParser)
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data SetPresentKeyOptions = SetPresentKeyOptions
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{ params :: CmdParams
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, batchOption :: BatchMode
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}
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optParser :: CmdParamsDesc -> Parser SetPresentKeyOptions
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optParser desc = SetPresentKeyOptions
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<$> cmdParams desc
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<*> parseBatchOption
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seek :: SetPresentKeyOptions -> CommandSeek
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seek o = case batchOption o of
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Batch fmt -> batchInput fmt
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(pure . parseKeyStatus . words)
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(batchCommandAction . start)
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NoBatch -> either giveup (commandAction . start)
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(parseKeyStatus $ params o)
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data KeyStatus = KeyStatus Key UUID LogStatus
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parseKeyStatus :: [String] -> Either String KeyStatus
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parseKeyStatus (ks:us:vs:[]) = do
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k <- maybe (Left "bad key") Right (deserializeKey ks)
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let u = toUUID us
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s <- maybe (Left "bad value") Right (parseStatus vs)
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return $ KeyStatus k u s
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parseKeyStatus _ = Left "Bad input. Expected: key uuid value"
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start :: KeyStatus -> CommandStart
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start (KeyStatus k u s) = starting "setpresentkey" (mkActionItem k) $
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perform k u s
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perform :: Key -> UUID -> LogStatus -> CommandPerform
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perform k u s = next $ do
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logChange k u s
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return True
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