hledger/hledger/Hledger/Cli/Commands/Activity.hs
Simon Michael 86d5652e53 stop depending on here due to slow haskell-src-meta/stackage issues
Using file-embed or ordinary literals instead, for now.
2019-02-02 16:34:10 -08:00

55 lines
1.6 KiB
Haskell

{-# LANGUAGE TemplateHaskell #-}
{-|
Print a bar chart of posting activity per day, or other report interval.
-}
module Hledger.Cli.Commands.Activity
where
import Data.List
import Data.Maybe
import Data.Ord
import Text.Printf
import Hledger
import Hledger.Cli.CliOptions
import Prelude hiding (putStr)
import Hledger.Utils.UTF8IOCompat (putStr)
activitymode = hledgerCommandMode
$(embedFileRelative "Hledger/Cli/Commands/Activity.txt")
[]
[generalflagsgroup1]
[]
([], Just $ argsFlag "[QUERY]")
barchar :: Char
barchar = '*'
-- | Print a bar chart of number of postings per report interval.
activity :: CliOpts -> Journal -> IO ()
activity CliOpts{reportopts_=ropts} j = do
d <- getCurrentDay
putStr $ showHistogram ropts (queryFromOpts d ropts) j
showHistogram :: ReportOpts -> Query -> Journal -> String
showHistogram opts q j = concatMap (printDayWith countBar) spanps
where
i = interval_ opts
interval | i == NoInterval = Days 1
| otherwise = i
span' = queryDateSpan (date2_ opts) q `spanDefaultsFrom` journalDateSpan (date2_ opts) j
spans = filter (DateSpan Nothing Nothing /=) $ splitSpan interval span'
spanps = [(s, filter (isPostingInDateSpan s) ps) | s <- spans]
-- same as Register
-- should count transactions, not postings ?
-- ps = sortBy (comparing postingDate) $ filterempties $ filter matchapats $ filterdepth $ journalPostings j
ps = sortBy (comparing postingDate) $ filter (q `matchesPosting`) $ journalPostings j
printDayWith f (DateSpan b _, ps) = printf "%s %s\n" (show $ fromJust b) (f ps)
countBar ps = replicate (length ps) barchar