62 lines
1.9 KiB
Haskell
62 lines
1.9 KiB
Haskell
{-|
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Print a histogram report. (The "activity" command).
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-}
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module Hledger.Cli.Histogram
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where
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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 System.Console.CmdArgs.Explicit
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import Text.Printf
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import Hledger.Cli.Options
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import Hledger.Data
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import Hledger.Reports
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import Hledger.Query
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import Prelude hiding (putStr)
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import Hledger.Utils.UTF8IOCompat (putStr)
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activitymode = (defCommandMode ["activity"]) {
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modeHelp = "show a barchart of transactions per interval"
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,modeHelpSuffix = ["The default interval is daily."]
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,modeGroupFlags = Group {
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groupUnnamed = []
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,groupHidden = []
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,groupNamed = [generalflagsgroup1]
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}
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}
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barchar = '*'
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-- | Print a histogram of some statistic per reporting interval, such as
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-- number of postings per day.
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histogram :: CliOpts -> Journal -> IO ()
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histogram CliOpts{reportopts_=ropts} j = do
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d <- getCurrentDay
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putStr $ showHistogram ropts (queryFromOpts d ropts) j
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showHistogram :: ReportOpts -> Query -> Journal -> String
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showHistogram opts q j = concatMap (printDayWith countBar) spanps
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where
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i = intervalFromOpts opts
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interval | i == NoInterval = Days 1
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| otherwise = i
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span = queryDateSpan (date2_ opts) q `orDatesFrom` journalDateSpan j
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spans = filter (DateSpan Nothing Nothing /=) $ splitSpan interval span
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spanps = [(s, filter (isPostingInDateSpan s) ps) | s <- spans]
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-- same as Register
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-- should count transactions, not postings ?
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-- ps = sortBy (comparing postingDate) $ filterempties $ filter matchapats $ filterdepth $ journalPostings j
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ps = sortBy (comparing postingDate) $ filterempties $ filter (q `matchesPosting`) $ journalPostings j
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filterempties
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| queryEmpty q = id
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| otherwise = filter (not . isZeroMixedAmount . pamount)
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printDayWith f (DateSpan b _, ts) = printf "%s %s\n" (show $ fromJust b) (f ts)
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countBar ps = replicate (length ps) barchar
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