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73 lines
2.6 KiB
Haskell
Executable File
73 lines
2.6 KiB
Haskell
Executable File
#!/usr/bin/env stack
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-- stack script --compile --resolver lts-16.3
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{-# OPTIONS_GHC -Wno-missing-signatures -Wno-name-shadowing #-}
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{-| Construct two balance reports for two different time periods and render them side by side
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-}
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import System.Environment (getArgs)
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import Hledger.Cli
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import qualified Data.Map as M
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import Data.Map.Merge.Strict
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appendReports :: MultiBalanceReport -> MultiBalanceReport -> MultiBalanceReport
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appendReports r1 r2 =
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PeriodicReport
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{ prDates = prDates r1 ++ prDates r2
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, prRows = map snd $ M.toAscList mergedRows
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, prTotals = mergeRows (prTotals r1) (prTotals r2)
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}
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where
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rowsByAcct report = M.fromList $ map (\r -> (prrName r, r)) (prRows report)
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r1map = rowsByAcct r1
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r2map = rowsByAcct r2
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mergedRows = merge (mapMissing left) (mapMissing right) (zipWithMatched both) r1map r2map
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left _ row = row{prrAmounts = prrAmounts row ++ [nullmixedamt]}
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right _ row = row{prrAmounts = nullmixedamt:(prrAmounts row) }
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both _ = mergeRows
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-- name/depth in the second row would be the same by contruction
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mergeRows (PeriodicReportRow name depth amt1 tot1 avg1) (PeriodicReportRow _ _ amt2 tot2 avg2) =
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PeriodicReportRow { prrName = name
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, prrDepth = depth
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, prrAmounts = amt1++amt2
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, prrTotal = tot1+tot2
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, prrAverage = averageMixedAmounts [avg1,avg2]
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}
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------------------------------------------------------------------------------
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cmdmode = hledgerCommandMode
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(unlines ["combine-balances"
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,"Generate two balance reports and render them side by side."
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,"(Dates in headers could look funky.)"
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," "
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,"Pass two sets of hledger-compatible options, separated by --."
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,"For example, to see Jan 2019 and Jan 2020 together, use:"
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,"-f 2019.journal -p 2019-01 -- -f 2020eaf.journal -p 2020-01"
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," "
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,"Display features in the report are driven by the second set of args"
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])
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[]
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[generalflagsgroup1]
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[]
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([], Just $ argsFlag "[QUERY]")
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------------------------------------------------------------------------------
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main :: IO ()
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main = do
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args <- getArgs
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let report1args = takeWhile (/= "--") args
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let report2args = drop 1 $ dropWhile (/= "--") args
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(_,report1) <- mbReport report1args
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(ropts2,report2) <- mbReport report2args
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let merged = appendReports report1 report2
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putStrLn $ multiBalanceReportAsText ropts2 merged
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where
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mbReport args = do
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opts@CliOpts{reportopts_=ropts} <- getHledgerCliOpts' cmdmode args
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d <- getCurrentDay
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report <- withJournalDo opts (return . multiBalanceReport d ropts)
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return (ropts,report)
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