46 lines
1.4 KiB
Haskell
46 lines
1.4 KiB
Haskell
{-|
|
|
|
|
Print a histogram report.
|
|
|
|
-}
|
|
|
|
module HistogramCommand
|
|
where
|
|
import qualified Data.Map as Map
|
|
import Data.Map ((!))
|
|
import Ledger
|
|
import Options
|
|
|
|
|
|
barchar = '*'
|
|
|
|
-- | Print a histogram of some statistic per reporting interval, such as
|
|
-- number of transactions per day.
|
|
histogram :: [Opt] -> [String] -> Ledger -> IO ()
|
|
histogram opts args l =
|
|
mapM_ (printDayWith countBar) daytxns
|
|
where
|
|
i = intervalFromOpts opts
|
|
interval | i == NoInterval = Daily
|
|
| otherwise = i
|
|
fullspan = rawLedgerDateSpan $ rawledger l
|
|
days = filter (DateSpan Nothing Nothing /=) $ splitSpan interval fullspan
|
|
daytxns = [(s, filter (isTransactionInDateSpan s) ts) | s <- days]
|
|
-- same as RegisterCommand
|
|
ts = sortBy (comparing date) $ filterempties $ filter matchapats $ filterdepth $ ledgerTransactions l
|
|
filterempties
|
|
| Empty `elem` opts = id
|
|
| otherwise = filter (not . isZeroMixedAmount . amount)
|
|
matchapats t = matchpats apats $ account t
|
|
(apats,_) = parsePatternArgs args
|
|
filterdepth | interval == NoInterval = filter (\t -> (accountNameLevel $ account t) <= depth)
|
|
| otherwise = id
|
|
depth = depthFromOpts opts
|
|
|
|
printDayWith f (DateSpan b _, ts) = putStrLn $ printf "%s %s" (show $ fromJust b) (f ts)
|
|
|
|
countBar ts = replicate (length ts) barchar
|
|
|
|
total ts = show $ sumTransactions ts
|
|
|
|
-- totalBar ts = replicate (sumTransactions ts) barchar |