hledger/Ledger/TimeLog.hs

68 lines
2.0 KiB
Haskell

{-|
A 'TimeLog' is a parsed timelog file (generated by timeclock.el),
containing zero or more 'TimeLogEntry's. It can be converted to a
'RawLedger' for querying.
-}
module Ledger.TimeLog
where
import Ledger.Utils
import Ledger.Types
import Ledger.Currency
import Ledger.Amount
import Ledger.RawTransaction
import Ledger.Entry
import Ledger.RawLedger
instance Show TimeLogEntry where
show t = printf "%s %s %s" (show $ tlcode t) (tldatetime t) (tlcomment t)
instance Show TimeLog where
show tl = printf "TimeLog with %d entries" $ length $ timelog_entries tl
-- | Convert a time log to a ledger.
ledgerFromTimeLog :: TimeLog -> RawLedger
ledgerFromTimeLog tl =
RawLedger [] [] (entriesFromTimeLogEntries $ timelog_entries tl) ""
-- | Convert time log entries to ledger entries.
entriesFromTimeLogEntries :: [TimeLogEntry] -> [Entry]
-- | When there is a trailing clockin entry, provide the missing clockout.
-- "Now" would be ideal but requires IO, for now we make it the same as
-- clockin time.
entriesFromTimeLogEntries [clockin@(TimeLogEntry _ t _)] =
entriesFromTimeLogEntries [clockin, (TimeLogEntry 'o' t "")]
entriesFromTimeLogEntries [clockin,clockout] =
[
Entry {
edate = indate,
estatus = True,
ecode = "",
edescription = accountname,
ecomment = "",
etransactions = [
RawTransaction accountname amount "",
RawTransaction "assets:TIME" (-amount) ""
],
epreceding_comment_lines=""}
]
where
accountname = tlcomment clockin
indate = showDateFrom intime
intime = parsedatetime $ tldatetime clockin
outtime = parsedatetime $ tldatetime clockout
hours = fromRational (toRational (diffUTCTime outtime intime) / 3600) -- whatever
amount = Amount (getcurrency "h") hours 1
entriesFromTimeLogEntries many =
(entriesFromTimeLogEntries $ take 2 many) ++
(entriesFromTimeLogEntries $ drop 2 many)
showDateFrom :: UTCTime -> String
showDateFrom = formatTime defaultTimeLocale "%Y/%m/%d"