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90 lines
3.5 KiB
Haskell
90 lines
3.5 KiB
Haskell
{-|
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A 'TimeLogEntry' is a clock-in, clock-out, or other directive in a timelog
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file (see timeclock.el or the command-line version). These can be
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converted to 'LedgerTransactions' and queried like a ledger.
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-}
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module Ledger.TimeLog
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where
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import Ledger.Utils
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import Ledger.Types
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import Ledger.Dates
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import Ledger.Commodity
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import Ledger.LedgerTransaction
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instance Show TimeLogEntry where
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show t = printf "%s %s %s" (show $ tlcode t) (show $ tldatetime t) (tlcomment t)
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instance Show TimeLogCode where
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show SetBalance = "b"
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show SetRequiredHours = "h"
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show In = "i"
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show Out = "o"
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show FinalOut = "O"
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instance Read TimeLogCode where
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readsPrec _ ('b' : xs) = [(SetBalance, xs)]
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readsPrec _ ('h' : xs) = [(SetRequiredHours, xs)]
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readsPrec _ ('i' : xs) = [(In, xs)]
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readsPrec _ ('o' : xs) = [(Out, xs)]
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readsPrec _ ('O' : xs) = [(FinalOut, xs)]
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readsPrec _ _ = []
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-- | Convert time log entries to ledger transactions. When there is no
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-- clockout, add one with the provided current time. Sessions crossing
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-- midnight are split into days to give accurate per-day totals.
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entriesFromTimeLogEntries :: LocalTime -> [TimeLogEntry] -> [LedgerTransaction]
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entriesFromTimeLogEntries _ [] = []
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entriesFromTimeLogEntries now [i]
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| odate > idate = [entryFromTimeLogInOut i o'] ++ entriesFromTimeLogEntries now [i',o]
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| otherwise = [entryFromTimeLogInOut i o]
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where
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o = TimeLogEntry Out end ""
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end = if itime > now then itime else now
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(itime,otime) = (tldatetime i,tldatetime o)
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(idate,odate) = (localDay itime,localDay otime)
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o' = o{tldatetime=itime{localDay=idate, localTimeOfDay=TimeOfDay 23 59 59}}
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i' = i{tldatetime=itime{localDay=addDays 1 idate, localTimeOfDay=midnight}}
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entriesFromTimeLogEntries now (i:o:rest)
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| odate > idate = [entryFromTimeLogInOut i o'] ++ entriesFromTimeLogEntries now (i':o:rest)
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| otherwise = [entryFromTimeLogInOut i o] ++ entriesFromTimeLogEntries now rest
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where
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(itime,otime) = (tldatetime i,tldatetime o)
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(idate,odate) = (localDay itime,localDay otime)
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o' = o{tldatetime=itime{localDay=idate, localTimeOfDay=TimeOfDay 23 59 59}}
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i' = i{tldatetime=itime{localDay=addDays 1 idate, localTimeOfDay=midnight}}
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-- | Convert a timelog clockin and clockout entry to an equivalent ledger
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-- entry, representing the time expenditure. Note this entry is not balanced,
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-- since we omit the \"assets:time\" transaction for simpler output.
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entryFromTimeLogInOut :: TimeLogEntry -> TimeLogEntry -> LedgerTransaction
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entryFromTimeLogInOut i o
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| otime >= itime = t
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| otherwise =
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error $ "clock-out time less than clock-in time in:\n" ++ showLedgerTransaction t
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where
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t = LedgerTransaction {
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ltdate = idate,
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lteffectivedate = Nothing,
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ltstatus = True,
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ltcode = "",
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ltdescription = showtime itod ++ "-" ++ showtime otod,
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ltcomment = "",
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ltpostings = ps,
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ltpreceding_comment_lines=""
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}
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showtime = take 5 . show
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acctname = tlcomment i
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itime = tldatetime i
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otime = tldatetime o
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itod = localTimeOfDay itime
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otod = localTimeOfDay otime
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idate = localDay itime
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hrs = elapsedSeconds (toutc otime) (toutc itime) / 3600 where toutc = localTimeToUTC utc
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amount = Mixed [hours hrs]
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ps = [Posting False acctname amount "" RegularPosting
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--,Posting "assets:time" (-amount) "" RegularPosting
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]
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