51 lines
1.9 KiB
Haskell
51 lines
1.9 KiB
Haskell
{-|
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A ledger-compatible @register@ command.
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-}
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module RegisterCommand
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where
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import Ledger
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import Options
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registercommandtests = TestList [
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]
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-- | Print a register report.
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printregister :: [Opt] -> [String] -> Ledger -> IO ()
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printregister opts args l = putStr $ showTransactionsWithBalances opts args l
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showTransactionsWithBalances :: [Opt] -> [String] -> Ledger -> String
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showTransactionsWithBalances opts args l =
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unlines $ showTransactionsWithBalances' ts nulltxn startingbalance
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where
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ts = filter matchtxn $ ledgerTransactions l
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matchtxn (Transaction _ _ desc acct _) = (containsRegex (regexFor apats) acct)
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pats@(apats,dpats) = parseAccountDescriptionArgs args
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startingbalance = nullamt{precision=lprecision l}
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showTransactionsWithBalances' :: [Transaction] -> Transaction -> Amount -> [String]
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showTransactionsWithBalances' [] _ _ = []
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showTransactionsWithBalances' (t:ts) tprev b =
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(if sameentry t tprev
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then [showTransactionAndBalance t b']
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else [showTransactionDescriptionAndBalance t b'])
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++ (showTransactionsWithBalances' ts t b')
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where
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b' = b + (amount t)
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sameentry (Transaction e1 _ _ _ _) (Transaction e2 _ _ _ _) = e1 == e2
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showTransactionDescriptionAndBalance :: Transaction -> Amount -> String
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showTransactionDescriptionAndBalance t b =
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(showEntryDescription $ Entry (date t) False "" (description t) "" [] "")
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++ (showLedgerTransaction $ RawTransaction (account t) (amount t) "") ++ (showBalance b)
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showTransactionAndBalance :: Transaction -> Amount -> String
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showTransactionAndBalance t b =
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(replicate 32 ' ') ++ (showLedgerTransaction $ RawTransaction (account t) (amount t) "") ++ (showBalance b)
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showBalance :: Amount -> String
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showBalance b = printf " %12s" (showAmountRoundedOrZero b)
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