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37 lines
1.2 KiB
Haskell
37 lines
1.2 KiB
Haskell
module LedgerTransaction
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where
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import Utils
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import Types
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import AccountName
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import Amount
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instance Show LedgerTransaction where show = showLedgerTransaction
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showLedgerTransaction :: LedgerTransaction -> String
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showLedgerTransaction t = (showaccountname $ taccount t) ++ " " ++ (showamount $ tamount t)
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where
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showaccountname = printf "%-22s" . elideRight 22
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showamount = printf "%11s" . showAmountRoundedOrZero
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elideRight width s =
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case length s > width of
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True -> take (width - 2) s ++ ".."
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False -> s
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autofillTransactions :: [LedgerTransaction] -> [LedgerTransaction]
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autofillTransactions ts =
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let (ns, as) = partition isNormal ts
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where isNormal t = (symbol $ currency $ tamount t) /= "AUTO" in
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case (length as) of
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0 -> ns
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1 -> ns ++ [balanceTransaction $ head as]
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where balanceTransaction t = t{tamount = -(sumLedgerTransactions ns)}
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otherwise -> error "too many blank transactions in this entry"
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sumLedgerTransactions :: [LedgerTransaction] -> Amount
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sumLedgerTransactions = sum . map tamount
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ledgerTransactionSetPrecision :: Int -> LedgerTransaction -> LedgerTransaction
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ledgerTransactionSetPrecision p (LedgerTransaction a amt c) = LedgerTransaction a amt{precision=p} c
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