86 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			Haskell
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			86 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			Haskell
		
	
	
		
			Executable File
		
	
	
	
	
| #!/usr/bin/env stack
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| {- stack runghc --verbosity info
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|    --package hledger-lib
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|    --package hledger
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|    --package here
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| -}
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| 
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| {-# OPTIONS_GHC -Wno-missing-signatures -Wno-name-shadowing #-}
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| {-# LANGUAGE QuasiQuotes #-}
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| 
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| import Data.String.Here
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| import Hledger
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| import Hledger.Cli
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| import Text.Printf
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| 
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| ------------------------------------------------------------------------------
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| cmdmode = hledgerCommandMode
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|   [here| check-dates
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| Check that transactions' dates are monotonically increasing.
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| With --date2, checks secondary dates instead.
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| With --strict, dates must also be unique.
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| With a query, only matched transactions' dates are checked.
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| Reads the default journal file, or another specified with -f.
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| FLAGS
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|   |]
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|   [flagNone ["strict"] (\opts -> setboolopt "strict" opts) "makes date comparing strict"]
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|   [generalflagsgroup1]
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|   []
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|   ([], Just $ argsFlag "[QUERY]")
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| ------------------------------------------------------------------------------
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| 
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| main :: IO ()
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| main = do
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|   opts <- getHledgerCliOpts cmdmode
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|   withJournalDo opts $
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|    \CliOpts{rawopts_=rawopts,reportopts_=ropts} j -> do
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|     d <- getCurrentDay
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|     let ropts_ = ropts{accountlistmode_=ALFlat}
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|     let q = queryFromOpts d ropts_
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|     let ts = filter (q `matchesTransaction`) $
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|              jtxns $ journalSelectingAmountFromOpts ropts j
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|     let strict = boolopt "strict" rawopts
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|     let date = transactionDateFn ropts
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|     let compare a b =
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|           if strict
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|           then date a <  date b
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|           else date a <= date b
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|     case checkTransactions compare ts of
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|      FoldAcc{fa_previous=Nothing} -> putStrLn "ok (empty journal)"
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|      FoldAcc{fa_error=Nothing}    -> putStrLn "ok"
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|      FoldAcc{fa_error=Just error, fa_previous=Just previous} ->
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|       putStrLn $ printf ("ERROR: transaction out of%s date order"
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|        ++ "\nPrevious date: %s"
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|        ++ "\nDate: %s"
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|        ++ "\nLocation: %s"
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|        ++ "\nTransaction:\n\n%s")
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|        (if strict then " STRICT" else "")
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|        (show $ date previous)
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|        (show $ date error)
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|        (show $ tsourcepos error)
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|        (showTransactionUnelided error)
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| 
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| data FoldAcc a b = FoldAcc
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|  { fa_error    :: Maybe a
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|  , fa_previous :: Maybe b
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|  }
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| 
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| foldWhile :: (a -> FoldAcc a b -> FoldAcc a b) -> FoldAcc a b -> [a] -> FoldAcc a b
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| foldWhile _ acc [] = acc
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| foldWhile fold acc (a:as) =
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|   case fold a acc of
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|    acc@FoldAcc{fa_error=Just _} -> acc
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|    acc -> foldWhile fold acc as
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| 
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| checkTransactions :: (Transaction -> Transaction -> Bool)
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|  -> [Transaction] -> FoldAcc Transaction Transaction
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| checkTransactions compare ts =
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|   foldWhile fold FoldAcc{fa_error=Nothing, fa_previous=Nothing} ts
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|   where
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|     fold current acc@FoldAcc{fa_previous=Nothing} = acc{fa_previous=Just current}
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|     fold current acc@FoldAcc{fa_previous=Just previous} =
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|       if compare previous current
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|       then acc{fa_previous=Just current}
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|       else acc{fa_error=Just current}
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| 
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