86 lines
3.2 KiB
Haskell
Executable File
86 lines
3.2 KiB
Haskell
Executable File
{-# LANGUAGE TemplateHaskell #-}
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module Hledger.Cli.Commands.Prices (
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pricesmode
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,prices
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)
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where
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import Data.Maybe
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import Data.List
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import qualified Data.Text as T
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import Data.Time
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import Hledger
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import Hledger.Cli.CliOptions
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import System.Console.CmdArgs.Explicit
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pricesmode = hledgerCommandMode
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$(embedFileRelative "Hledger/Cli/Commands/Prices.txt")
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[flagNone ["costs"] (setboolopt "costs") "print transaction prices from postings"
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,flagNone ["inverted-costs"] (setboolopt "inverted-costs") "print transaction inverted prices from postings also"]
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[generalflagsgroup1]
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hiddenflags
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([], Just $ argsFlag "[QUERY]")
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-- XXX the original hledger-prices script always ignored assertions
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prices opts j = do
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d <- getCurrentDay
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let
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q = queryFromOpts d (reportopts_ opts)
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ps = filter (matchesPosting q) $ allPostings j
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mprices = jmarketprices j
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cprices = concatMap postingCosts ps
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icprices = concatMap postingCosts . mapAmount invertPrice $ ps
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allprices = mprices ++ ifBoolOpt "costs" cprices ++ ifBoolOpt "inverted-costs" icprices
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mapM_ (putStrLn . showPrice) $
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sortOn mpdate $
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filter (matchesMarketPrice q) $
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allprices
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where
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ifBoolOpt opt | boolopt opt $ rawopts_ opts = id
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| otherwise = const []
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showPrice :: MarketPrice -> String
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showPrice mp = unwords ["P", show $ mpdate mp, T.unpack . quoteCommoditySymbolIfNeeded $ mpcommodity mp, showAmountWithZeroCommodity $ mpamount mp]
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divideAmount' :: Quantity -> Amount -> Amount
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divideAmount' n a = a' where
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a' = (n `divideAmount` a) { astyle = style' }
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style' = (astyle a) { asprecision = precision' }
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extPrecision = (1+) . floor . logBase 10 $ (realToFrac n :: Double)
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precision' = extPrecision + asprecision (astyle a)
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-- | Invert an amount's price for --invert-cost, somehow (? unclear XXX)
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invertPrice :: Amount -> Amount
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invertPrice a =
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case aprice a of
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NoPrice -> a
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UnitPrice pa -> invertPrice
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-- normalize to TotalPrice
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a { aprice = TotalPrice pa' } where
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pa' = ((1 / aquantity a) `divideAmount` pa) { aprice = NoPrice }
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TotalPrice pa ->
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a { aquantity = aquantity pa * signum (aquantity a), acommodity = acommodity pa, aprice = TotalPrice pa' } where
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pa' = pa { aquantity = abs $ aquantity a, acommodity = acommodity a, aprice = NoPrice, astyle = astyle a }
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amountCost :: Day -> Amount -> Maybe MarketPrice
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amountCost d a =
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case aprice a of
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NoPrice -> Nothing
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UnitPrice pa -> Just
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MarketPrice { mpdate = d, mpcommodity = acommodity a, mpamount = pa }
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TotalPrice pa -> Just
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MarketPrice { mpdate = d, mpcommodity = acommodity a, mpamount = abs (aquantity a) `divideAmount'` pa }
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postingCosts :: Posting -> [MarketPrice]
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postingCosts p = mapMaybe (amountCost date) . amounts $ pamount p where
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date = fromMaybe (tdate . fromJust $ ptransaction p) $ pdate p
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allPostings :: Journal -> [Posting]
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allPostings = concatMap tpostings . jtxns
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mapAmount :: (Amount -> Amount) -> [Posting] -> [Posting]
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mapAmount f = map pf where
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pf p = p { pamount = mf (pamount p) }
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mf = mixed . map f . amounts
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