hledger/hledger/Hledger/Cli/Commands/Activity.hs
2020-10-23 14:14:11 -07:00

52 lines
1.5 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 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]
hiddenflags
([], Just $ argsFlag "[QUERY]")
barchar :: Char
barchar = '*'
-- | Print a bar chart of number of postings per report interval.
activity :: CliOpts -> Journal -> IO ()
activity CliOpts{reportspec_=rspec} j = putStr $ showHistogram rspec j
showHistogram :: ReportSpec -> Journal -> String
showHistogram ReportSpec{rsQuery=q,rsOpts=ReportOpts{interval_=i,date2_=date2}} j =
concatMap (printDayWith countBar) spanps
where
interval | i == NoInterval = Days 1
| otherwise = i
span' = queryDateSpan date2 q `spanDefaultsFrom` journalDateSpan date2 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 = sortOn 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