46 lines
1.8 KiB
Haskell
Executable File
46 lines
1.8 KiB
Haskell
Executable File
#!/usr/bin/env runhaskell
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{-|
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hledger-rewrite [PATTERNS] [--add-posting "ACCT AMTEXPR"] ...
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Skeleton for a minimal generic rewriter of journal entries.
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Reads the default journal and prints the entries, like print,
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but adds the specified postings to any entries matching PATTERNS.
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Tested-with: hledger 0.22.2
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|-}
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import Hledger
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import Hledger.Cli
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main = do
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opts@CliOpts{reportopts_=ropts} <- getCliOpts (defCommandMode ["hledger-rewrite"])
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d <- getCurrentDay
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let
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q = queryFromOpts d ropts
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-- parse added postings from args.. hard-coded here:
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addps :: [(AccountName, Transaction -> MixedAmount)]
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addps = [
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("(Reserve)", (\t -> (t `firstAmountMatching` q) `divideMixedAmount` 10))
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]
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withJournalDo opts $ \opts j@Journal{jtxns=ts} -> do
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-- rewrite matched transactions
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let j' = j{jtxns=map (\t -> if q `matchesTransaction` t then rewriteTransaction t addps else t) ts}
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-- print' opts j'
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-- print all transactions (without filtering)
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putStr $ showTransactions ropts Any j'
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rewriteTransaction :: Transaction -> [(AccountName, Transaction -> MixedAmount)] -> Transaction
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rewriteTransaction t addps = t{tpostings=tpostings t ++ map (uncurry (generatePosting t)) addps}
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generatePosting :: Transaction -> AccountName -> (Transaction -> MixedAmount) -> Posting
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generatePosting t acct amtfn = nullposting{paccount = accountNameWithoutPostingType acct
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,ptype = accountNamePostingType acct
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,pamount = amtfn t
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,ptransaction = Just t
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}
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firstAmountMatching :: Transaction -> Query -> MixedAmount
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firstAmountMatching t q = pamount $ head $ filter (q `matchesPosting`) $ tpostings t
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