51 lines
1.6 KiB
Haskell
51 lines
1.6 KiB
Haskell
{-# LANGUAGE CPP #-}
|
|
{-|
|
|
|
|
Print a histogram report.
|
|
|
|
-}
|
|
|
|
module Hledger.Cli.Commands.Histogram
|
|
where
|
|
import Hledger.Data
|
|
import Hledger.Cli.Options
|
|
#if __GLASGOW_HASKELL__ <= 610
|
|
import Prelude hiding ( putStr )
|
|
import System.IO.UTF8
|
|
#endif
|
|
|
|
|
|
barchar = '*'
|
|
|
|
-- | Print a histogram of some statistic per reporting interval, such as
|
|
-- number of postings per day.
|
|
histogram :: [Opt] -> [String] -> Journal -> IO ()
|
|
histogram opts args j = do
|
|
t <- getCurrentLocalTime
|
|
putStr $ showHistogram opts (optsToFilterSpec opts args t) j
|
|
|
|
showHistogram :: [Opt] -> FilterSpec -> Journal -> String
|
|
showHistogram opts filterspec j = concatMap (printDayWith countBar) dayps
|
|
where
|
|
i = intervalFromOpts opts
|
|
interval | i == NoInterval = Daily
|
|
| otherwise = i
|
|
fullspan = journalDateSpan j
|
|
days = filter (DateSpan Nothing Nothing /=) $ splitSpan interval fullspan
|
|
dayps = [(s, filter (isPostingInDateSpan s) ps) | s <- days]
|
|
-- same as Register
|
|
-- should count transactions, not postings ?
|
|
ps = sortBy (comparing postingDate) $ filterempties $ filter matchapats $ filterdepth $ journalPostings j
|
|
filterempties
|
|
| Empty `elem` opts = id
|
|
| otherwise = filter (not . isZeroMixedAmount . pamount)
|
|
matchapats = matchpats apats . paccount
|
|
apats = acctpats filterspec
|
|
filterdepth | interval == NoInterval = filter (\p -> accountNameLevel (paccount p) <= depth)
|
|
| otherwise = id
|
|
depth = fromMaybe 99999 $ depthFromOpts opts
|
|
|
|
printDayWith f (DateSpan b _, ts) = printf "%s %s\n" (show $ fromJust b) (f ts)
|
|
|
|
countBar ps = replicate (length ps) barchar
|