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74 lines
2.2 KiB
Haskell
74 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 System.Locale (defaultTimeLocale)
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import Data.Time.Clock (UTCTime, diffUTCTime)
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import Data.Time.Format (parseTime, formatTime)
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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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ledgerFromTimeLog :: TimeLog -> RawLedger
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ledgerFromTimeLog tl =
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RawLedger [] [] (entriesFromTimeLogEntries $ timelog_entries tl) ""
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entriesFromTimeLogEntries :: [TimeLogEntry] -> [Entry]
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entriesFromTimeLogEntries [clockin] =
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entriesFromTimeLogEntries [clockin, clockoutNowEntry]
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entriesFromTimeLogEntries [clockin,clockout] =
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[
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Entry {
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edate = indate,
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estatus = True,
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ecode = "",
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edescription = accountname,
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ecomment = "",
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etransactions = [
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RawTransaction accountname amount "",
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RawTransaction "assets:TIME" (-amount) ""
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],
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epreceding_comment_lines=""}
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]
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where
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accountname = tlcomment clockin
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indate = showDateFrom intime
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intime = parseDateTime $ tldatetime clockin
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outtime = parseDateTime $ tldatetime clockout
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hours = fromRational (toRational (diffUTCTime outtime intime) / 3600) -- whatever
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amount = Amount (getcurrency "h") hours 1
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entriesFromTimeLogEntries many =
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(entriesFromTimeLogEntries $ take 2 many) ++
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(entriesFromTimeLogEntries $ drop 2 many)
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clockoutNowEntry = TimeLogEntry ' ' "" ""
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parseDateTime :: String -> UTCTime
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parseDateTime s = fromMaybe err parsed
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where
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err = error $ printf "could not parse timestamp \"%s\"" s
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parsed = parseTime defaultTimeLocale "%Y/%m/%d %H:%M:%S" s
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showDateFrom :: UTCTime -> String
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showDateFrom = formatTime defaultTimeLocale "%Y/%m/%d"
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