35 lines
973 B
Haskell
35 lines
973 B
Haskell
{-# LANGUAGE RecordWildCards, DeriveDataTypeable, FlexibleInstances #-}
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{-|
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Account balance history report.
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-}
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module Hledger.Reports.BalanceHistoryReport (
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accountBalanceHistory
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-- -- * Tests
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-- tests_Hledger_Reports_BalanceReport
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)
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where
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import Data.Time.Calendar
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-- import Test.HUnit
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import Hledger.Data
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import Hledger.Query
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import Hledger.Reports.ReportOptions
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import Hledger.Reports.TransactionsReports
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-- | Get the historical running inclusive balance of a particular account,
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-- from earliest to latest posting date.
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accountBalanceHistory :: ReportOpts -> Journal -> Account -> [(Day, MixedAmount)]
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accountBalanceHistory ropts j a = [(getdate t, bal) | (t,_,_,_,_,bal) <- items]
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where
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(_,items) = journalTransactionsReport ropts j acctquery
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inclusivebal = True
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acctquery = Acct $ (if inclusivebal then accountNameToAccountRegex else accountNameToAccountOnlyRegex) $ aname a
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getdate = if date2_ ropts then transactionDate2 else tdate
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