195 lines
7.3 KiB
Haskell
Executable File
195 lines
7.3 KiB
Haskell
Executable File
#!/usr/bin/env stack
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{- stack runghc --verbosity info --resolver lts-9.3
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--package hledger
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--package Chart
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--package Chart-diagrams
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--package cmdargs
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--package colour
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--package data-default
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--package here
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--package safe
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--package text
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-}
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{- stackage nightly:
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--package SVGFonts
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--package diagrams-core
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--package diagrams-lib
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--package diagrams-postscript
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--package diagrams-svg
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--package svg-builder
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--package cereal-vector
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--package dual-tree
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--package diagrams-solve
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--package statestack
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-}
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{-# OPTIONS_GHC -Wno-missing-signatures -Wno-unused-do-bind #-}
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{-# LANGUAGE OverloadedStrings #-}
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{-# LANGUAGE QuasiQuotes #-}
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import Control.Monad
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import Data.Colour
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import Data.Colour.Names hiding (red,green)
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import Data.Colour.RGBSpace
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import Data.Colour.RGBSpace.HSL (hsl)
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import Data.Colour.SRGB.Linear (rgb)
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import Data.Default
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import Data.List
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import Data.Maybe
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import Data.Ord
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import Data.String.Here
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import qualified Data.Text as T
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import Graphics.Rendering.Chart
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import Graphics.Rendering.Chart.Backend.Diagrams
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import Safe
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import System.Console.CmdArgs.Explicit
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import System.Exit
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import Hledger.Cli hiding (num,green,is,balance)
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defchartoutput = "hledger.svg"
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defchartitems = 10
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defchartsize = "600x400"
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------------------------------------------------------------------------------
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cmdmode = hledgerCommandMode
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[here| chart
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Generate a pie chart for the top account balances with the same sign,
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in SVG format.
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Based on the old hledger-chart package, this is not yet useful.
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It's supposed to show only balances of one sign, but this might be broken.
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|]
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[flagReq ["chart-output","o"] (\s opts -> Right $ setopt "chart-output" s opts) "IMGFILE" ("output filename (default: "++defchartoutput++")")
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,flagReq ["chart-items"] (\s opts -> Right $ setopt "chart-items" s opts) "N" ("number of accounts to show (default: "++show defchartitems++")")
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,flagReq ["chart-size"] (\s opts -> Right $ setopt "chart-size" s opts) "WIDTHxHEIGHT" ("image size (default: "++defchartsize++")")
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] [generalflagsgroup1]
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[]
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([], Just $ argsFlag "[QUERY]")
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------------------------------------------------------------------------------
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data ChartOpts = ChartOpts {
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chart_output_ :: FilePath
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,chart_items_ :: Int
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,chart_size_ :: String
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,cliopts_ :: CliOpts
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} deriving (Show)
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defchartopts = ChartOpts
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def
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def
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def
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defcliopts
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getHledgerChartOpts :: IO ChartOpts
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getHledgerChartOpts = do
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cliopts <- getHledgerCliOpts cmdmode
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return defchartopts {
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chart_output_ = fromMaybe defchartoutput $ maybestringopt "debug-chart" $ rawopts_ cliopts
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,chart_items_ = fromMaybe defchartitems $ maybeintopt "debug-items" $ rawopts_ cliopts
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,chart_size_ = fromMaybe defchartsize $ maybestringopt "debug-size" $ rawopts_ cliopts
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,cliopts_ = cliopts
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}
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main :: IO ()
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main = do
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chopts <- getHledgerChartOpts
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d <- getCurrentDay
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j <- defaultJournal
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let ropts = (reportopts_ $ cliopts_ chopts)
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let balreport = balanceReportFromMultiBalanceReport ropts (queryFromOpts d ropts) j
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let go -- | "--help" `elem` (rawopts_ $ cliopts_ chopts) = putStr (showModeHelp chartmode) >> exitSuccess
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-- | "--version" `elem` (rawopts_ $ cliopts_ chopts) = putStrLn progversion >> exitSuccess
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| otherwise = withJournalAndChartOptsDo chopts (writeChart balreport)
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go
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-- copied from hledger-web
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withJournalAndChartOptsDo :: ChartOpts -> (ChartOpts -> Journal -> IO ()) -> IO ()
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withJournalAndChartOptsDo opts cmd = do
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f <- head `fmap` journalFilePathFromOpts (cliopts_ opts)
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readJournalFile Nothing Nothing True f >>=
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either error' (cmd opts . journalApplyAliases (aliasesFromOpts $ cliopts_ opts))
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-- | Generate an image with the pie chart and write it to a file
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writeChart :: BalanceReport -> ChartOpts -> Journal -> IO ()
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writeChart balreport opts j = do
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-- d <- getCurrentDay
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if null $ jtxns j
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then putStrLn "This journal has no transactions, can't make a chart." >> exitFailure
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else do
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let chart = genPie opts balreport
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let fileoptions = def -- FileOptions (fromIntegral w, fromIntegral h) SVG loadSansSerifFonts
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renderableToFile fileoptions filename (toRenderable chart)
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return ()
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where
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filename = chart_output_ opts
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-- (w,h) = parseSize $ chart_size_ opts
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-- ropts = reportopts_ $ cliopts_ opts
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-- | Parse image size from a command-line option
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-- parseSize :: String -> (Int,Int)
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-- parseSize str = (read w, read h)
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-- where
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-- x = fromMaybe (error' "Size should be in WIDTHxHEIGHT format") $ findIndex (=='x') str
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-- (w,_:h) = splitAt x str
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-- | Generate pie chart
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genPie :: ChartOpts -> BalanceReport -> PieLayout
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genPie opts (items, _total) = def { _pie_background = solidFillStyle $ opaque $ white
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, _pie_plot = pie_chart }
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where
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pie_chart = def { _pie_data = map (uncurry accountPieItem) chartitems
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, _pie_start_angle = (-90)
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, _pie_colors = mkColours hue
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, _pie_label_style = def{_font_size=12}
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}
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chartitems = dbg1 "chart" $ top num samesignitems :: [(AccountName, Double)]
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(samesignitems, sign) = sameSignNonZero items
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top n t = topn ++ [other]
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where
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(topn,rest) = splitAt n $ reverse $ sortBy (comparing snd) t
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other = ("other", sum $ map snd rest)
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num = chart_items_ opts
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hue = if sign > 0 then red else green where (red, green) = (0, 110)
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-- copts = cliopts_ opts
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-- ropts = reportopts_ copts
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-- | Select the nonzero items with same sign as the first, and make
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-- them positive. Also return a 1 or -1 corresponding to the original sign.
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sameSignNonZero :: [BalanceReportItem] -> ([(AccountName, Double)], Int)
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sameSignNonZero is
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| null nzs = ([], 1)
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| otherwise = (map pos $ filter (test.fourth4) nzs, sign)
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where
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nzs = filter ((/=0).fourth4) is
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pos (acct,_,_,Mixed as) = (acct, abs $ read $ show $ maybe 0 aquantity $ headMay as)
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sign = if fourth4 (head nzs) >= 0 then 1 else (-1)
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test = if sign > 0 then (>0) else (<0)
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-- | Convert all quantities of MixedAccount to a single commodity
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-- amountValue :: MixedAmount -> Double
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-- amountValue = quantity . mixedAmountWithCommodity unknown
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-- | Generate a tree of account names together with their balances.
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-- The balance of account is decremented by the balance of its subaccounts
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-- which are drawn on the chart.
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-- balances :: Tree Account -> Tree (AccountName, Double)
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-- balances (Node rootAcc subAccs) = Node newroot newsubs
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-- where
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-- newroot = (aname rootAcc,
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-- amountValue $
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-- aibalance rootAcc - (sum . map (aibalance . root)) subAccs)
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-- newsubs = map balances subAccs
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-- | Build a single pie chart item
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accountPieItem :: AccountName -> Double -> PieItem
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accountPieItem accname balance = PieItem (T.unpack accname) offset balance where offset = 0
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-- | Generate an infinite color list suitable for charts.
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mkColours :: Double -> [AlphaColour Double]
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mkColours hue = cycle $ [opaque $ rgbToColour $ hsl h s l | (h,s,l) <- liftM3 (,,)
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[hue] [0.7] [0.1,0.2..0.7] ]
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rgbToColour :: (Fractional a) => RGB a -> Colour a
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rgbToColour (RGB r g b) = rgb r g b
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