65 lines
2.2 KiB
Haskell
65 lines
2.2 KiB
Haskell
{-|
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A 'TimeLog' is a parsed timelog file (generated by timeclock.el),
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containing zero or more 'TimeLogEntry's. It can be converted to a
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'RawLedger' for querying.
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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.Currency
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import Ledger.Amount
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import Ledger.RawTransaction
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import Ledger.Entry
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import Ledger.RawLedger
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instance Show TimeLogEntry where
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show t = printf "%s %s %s" (show $ tlcode t) (tldatetime t) (tlcomment t)
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instance Show TimeLog where
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show tl = printf "TimeLog with %d entries" $ length $ timelog_entries tl
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-- | Convert a time log to a ledger.
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ledgerFromTimeLog :: TimeLog -> RawLedger
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ledgerFromTimeLog tl = RawLedger [] [] (entriesFromTimeLogEntries $ timelog_entries tl) ""
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-- | Convert time log entries to ledger entries.
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entriesFromTimeLogEntries :: [TimeLogEntry] -> [Entry]
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entriesFromTimeLogEntries [] = []
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entriesFromTimeLogEntries [i] = entriesFromTimeLogEntries [i, clockoutFor i]
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entriesFromTimeLogEntries (i:o:rest) = [entryFromTimeLogInOut i o] ++ entriesFromTimeLogEntries rest
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-- | When there is a trailing clockin entry, provide the missing clockout.
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-- "Now" would be preferable but requires IO, for now use the clockin time.
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clockoutFor (TimeLogEntry _ t _) = TimeLogEntry 'o' t ""
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-- | Convert a timelog clockin and clockout entry to an equivalent ledger
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-- entry, representing the time expenditure.
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entryFromTimeLogInOut :: TimeLogEntry -> TimeLogEntry -> Entry
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entryFromTimeLogInOut i o =
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Entry {
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edate = indate, -- ledger uses outdate
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estatus = True,
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ecode = "",
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edescription = "",
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ecomment = "",
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etransactions = txns,
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epreceding_comment_lines=""
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}
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where
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acctname = tlcomment i
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indate = showDateFrom intime
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outdate = showDateFrom outtime
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intime = parsedatetime $ tldatetime i
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outtime = parsedatetime $ tldatetime o
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hours = realToFrac (diffUTCTime outtime intime) / 3600
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amount = Amount (getcurrency "h") hours 1
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txns = [RawTransaction acctname amount "", RawTransaction "assets:TIME" (-amount) ""]
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showDateFrom :: UTCTime -> String
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showDateFrom = formatTime defaultTimeLocale "%Y/%m/%d"
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