84 lines
3.0 KiB
Haskell
Executable File
84 lines
3.0 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 time
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-}
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{-
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hledger-equity [HLEDGEROPTS] [QUERY]
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Show a "closing balances" transaction that brings the balance of the
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accounts matched by QUERY (or all accounts) to zero, and an opposite
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"opening balances" transaction that restores the balances from zero.
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The opening balances transaction is useful to carry over
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asset/liability balances if you choose to start a new journal file,
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eg at the beginning of the year.
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The closing balances transaction is useful to zero out balances in
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the old file, which gives you the option of reporting on both files
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at once while still seeing correct balances.
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Balances are calculated, and the opening transaction is dated, as of
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the report end date, which you should specify with -e or date: (and
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the closing transaction is dated one day earlier). If a report end
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date is not specified, it defaults to today.
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If any matched account directly contains multiple commodities, the
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output may not be valid journal syntax, and will need some editing.
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Example:
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$ hledger equity -f 2015.journal -e 2016/1/1 assets liabilities >>2015.journal
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move opening balances txn to 2016.journal
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Open question: how to handle txns spanning a file boundary ? Eg:
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2015/12/30 * food
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expenses:food:dining $10
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assets:bank:checking -$10 ; date:2016/1/4
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This might or might not have some connection to the concept of
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"closing the books" in accounting.
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-}
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{-# LANGUAGE OverloadedStrings #-}
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import Data.Maybe (fromMaybe)
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import Data.Time.Calendar (addDays)
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import Hledger.Cli
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argsmode :: Mode RawOpts
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argsmode = (defCommandMode ["equity"])
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{ modeHelp = "print a journal entry posting the total balance of all accounts"
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++ " (or the specified account and its subaccounts)"
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, modeGroupFlags = Group
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{ groupNamed =
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-- XXX update to match hledger
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[ ("Input",inputflags)
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, ("Reporting",reportflags)
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, ("Misc",helpflags)
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]
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, groupUnnamed = []
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, groupHidden = []
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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 <- getCliOpts argsmode
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withJournalDo opts $
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\CliOpts{reportopts_=ropts} j -> do
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today <- getCurrentDay
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let ropts_ = ropts{accountlistmode_=ALFlat}
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q = queryFromOpts today ropts_
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(acctbals,_) = balanceReport ropts_ q j
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balancingamt = negate $ sum $ map (\((_,_,_),b) -> b) acctbals
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ps = [posting{paccount=a, pamount=b} | ((a,_,_),b) <- acctbals]
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++ [posting{paccount="equity:opening balances", pamount=balancingamt}]
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enddate = fromMaybe today $ queryEndDate (date2_ ropts_) q
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nps = [posting{paccount=a, pamount=negate b} | ((a,_,_),b) <- acctbals]
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++ [posting{paccount="equity:closing balances", pamount=negate balancingamt}]
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putStr $ showTransaction (nulltransaction{tdate=addDays (-1) enddate, tdescription="closing balances", tpostings=nps})
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putStr $ showTransaction (nulltransaction{tdate=enddate, tdescription="opening balances", tpostings=ps})
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