1030 lines
34 KiB
Haskell
1030 lines
34 KiB
Haskell
module Internal.Utils
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( compareDate
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, expandDatePat
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, askDays
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, fromWeekday
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, inDaySpan
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, fmtRational
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, matches
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, fromGregorian'
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, resolveDaySpan
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, resolveDaySpan_
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, intersectDaySpan
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, liftInner
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, liftExceptT
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, liftExcept
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, liftIOExcept
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, liftIOExceptT
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, combineError
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, combineError_
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, combineError3
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, combineErrors
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, mapErrors
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, combineErrorM
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, combineErrorM3
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, combineErrorIO2
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, combineErrorIO3
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, combineErrorIOM2
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, combineErrorIOM3
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, collectErrorsIO
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, mapErrorsIO
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, parseRational
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, showError
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, unlessLeft_
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, unlessLefts_
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, unlessLeft
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, unlessLefts
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, acntPath2Text
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, showT
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, lookupErr
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, gregorians
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, uncurry3
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, fstOf3
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, sndOf3
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, thdOf3
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, xGregToDay
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, compileMatch
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, compileOptions
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, dateMatches
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, valMatches
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, roundPrecision
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, roundPrecisionCur
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, lookupAccountKey
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, lookupAccountSign
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, lookupAccountType
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, lookupCurrencyKey
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, lookupCurrencyPrec
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, lookupTag
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, mapAdd_
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)
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where
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import Control.Monad.Error.Class
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import Control.Monad.Except
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import Control.Monad.Reader
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import Data.Time.Format.ISO8601
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import GHC.Real
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import Internal.Types.Main
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import RIO
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import qualified RIO.List as L
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import qualified RIO.Map as M
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import qualified RIO.NonEmpty as NE
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import qualified RIO.Text as T
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import RIO.Time
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import Text.Regex.TDFA
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import Text.Regex.TDFA.Text
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--------------------------------------------------------------------------------
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-- intervals
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expandDatePat :: DaySpan -> DatePat -> InsertExcept [Day]
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expandDatePat b (Cron cp) = expandCronPat b cp
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expandDatePat i (Mod mp) = return $ expandModPat mp i
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expandModPat :: ModPat -> DaySpan -> [Day]
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expandModPat ModPat {mpStart = s, mpBy = b, mpUnit = u, mpRepeats = r} bs =
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takeWhile (<= upper) $
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(`addFun` start) . (* b')
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<$> maybe id (take . fromIntegral) r [0 ..]
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where
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(lower, upper) = fromDaySpan bs
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start = maybe lower fromGregorian' s
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b' = fromIntegral b
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addFun = case u of
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Day -> addDays
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Week -> addDays . (* 7)
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Month -> addGregorianMonthsClip
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Year -> addGregorianYearsClip
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expandCronPat :: DaySpan -> CronPat -> InsertExcept [Day]
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expandCronPat b CronPat {cpYear, cpMonth, cpDay, cpWeekly} =
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combineError3 yRes mRes dRes $ \ys ms ds ->
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filter validWeekday $
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mapMaybe (uncurry3 toDay) $
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takeWhile (\((y, _), m, d) -> (y, m, d) <= (yb1, mb1, db1)) $
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dropWhile (\((y, _), m, d) -> (y, m, d) < (yb0, mb0, db0)) $
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[(y, m, d) | y <- (\y -> (y, isLeapYear y)) <$> ys, m <- ms, d <- ds]
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where
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yRes = case cpYear of
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Nothing -> return [yb0 .. yb1]
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Just pat -> do
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ys <- expandMDYPat (fromIntegral yb0) (fromIntegral yb1) pat
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return $ dropWhile (< yb0) $ fromIntegral <$> ys
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mRes = expandMD 12 cpMonth
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dRes = expandMD 31 cpDay
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(s, e) = fromDaySpan b
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(yb0, mb0, db0) = toGregorian s
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(yb1, mb1, db1) = toGregorian $ addDays (-1) e
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expandMD lim =
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fmap (fromIntegral <$>)
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. maybe (return [1 .. lim]) (expandMDYPat 1 lim)
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expandW (OnDay x) = [fromEnum x]
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expandW (OnDays xs) = fromEnum <$> xs
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ws = maybe [] expandW cpWeekly
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validWeekday = if null ws then const True else \day -> dayToWeekday day `elem` ws
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toDay (y, leap) m d
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| m == 2 && (not leap && d > 28 || leap && d > 29) = Nothing
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| m `elem` [4, 6, 9, 11] && d > 30 = Nothing
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| otherwise = Just $ fromGregorian y m d
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expandMDYPat :: Natural -> Natural -> MDYPat -> InsertExcept [Natural]
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expandMDYPat lower upper (Single x) = return [x | lower <= x && x <= upper]
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expandMDYPat lower upper (Multi xs) = return $ dropWhile (<= lower) $ takeWhile (<= upper) xs
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expandMDYPat lower upper (After x) = return [max lower x .. upper]
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expandMDYPat lower upper (Before x) = return [lower .. min upper x]
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expandMDYPat lower upper (Between x y) = return [max lower x .. min upper y]
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expandMDYPat lower upper (Repeat RepeatPat {rpStart = s, rpBy = b, rpRepeats = r})
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| b < 1 = throwError $ InsertException [PatternError s b r ZeroLength]
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| otherwise = do
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k <- limit r
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return $ dropWhile (<= lower) $ takeWhile (<= k) [s + i * b | i <- [0 ..]]
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where
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limit Nothing = return upper
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limit (Just n)
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-- this guard not only produces the error for the user but also protects
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-- from an underflow below it
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| n < 1 = throwError $ InsertException [PatternError s b r ZeroRepeats]
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| otherwise = return $ min (s + b * (n - 1)) upper
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dayToWeekday :: Day -> Int
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dayToWeekday (ModifiedJulianDay d) = mod (fromIntegral d + 2) 7
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askDays
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:: (MonadFinance m, MonadInsertError m)
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=> DatePat
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-> Maybe Interval
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-> m [Day]
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askDays dp i = do
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globalSpan <- askDBState kmBudgetInterval
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case i of
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Just i' -> do
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localSpan <- liftExcept $ resolveDaySpan i'
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maybe (return []) expand $ intersectDaySpan globalSpan localSpan
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Nothing -> expand globalSpan
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where
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expand = liftExcept . (`expandDatePat` dp)
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--------------------------------------------------------------------------------
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-- dates
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-- | Lame weekday converter since day of weeks aren't in dhall (yet)
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fromWeekday :: Weekday -> DayOfWeek
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fromWeekday Mon = Monday
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fromWeekday Tue = Tuesday
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fromWeekday Wed = Wednesday
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fromWeekday Thu = Thursday
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fromWeekday Fri = Friday
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fromWeekday Sat = Saturday
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fromWeekday Sun = Sunday
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-- | find the next date
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-- this is meant to go in a very tight loop and be very fast (hence no
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-- complex date functions, most of which heavily use 'mod' and friends)
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nextXGreg :: XGregorian -> XGregorian
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nextXGreg XGregorian {xgYear = y, xgMonth = m, xgDay = d, xgDayOfWeek = w}
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| m == 12 && d == 31 = XGregorian (y + 1) 1 1 w_
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| (m == 2 && (not leap && d == 28 || (leap && d == 29)))
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|| (m `elem` [4, 6, 9, 11] && d == 30)
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|| (d == 31) =
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XGregorian y (m + 1) 1 w_
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| otherwise = XGregorian y m (d + 1) w_
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where
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-- don't use DayOfWeek from Data.Time since this uses mod (which uses a
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-- division opcode) and thus will be slower than just checking for equality
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-- and adding
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w_ = if w == 6 then 0 else w + 1
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leap = isLeapYear $ fromIntegral y
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gregorians :: Day -> [XGregorian]
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gregorians x = L.iterate nextXGreg $ XGregorian (fromIntegral y) m d w
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where
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(y, m, d) = toGregorian x
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w = fromEnum $ dayOfWeek x
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xGregToDay :: XGregorian -> Day
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xGregToDay XGregorian {xgYear = y, xgMonth = m, xgDay = d} = fromGregorian (fromIntegral y) m d
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gregTup :: Gregorian -> (Integer, Int, Int)
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gregTup Gregorian {gYear, gMonth, gDay} =
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( fromIntegral gYear
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, fromIntegral gMonth
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, fromIntegral gDay
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)
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gregMTup :: GregorianM -> (Integer, Int)
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gregMTup GregorianM {gmYear, gmMonth} =
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( fromIntegral gmYear
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, fromIntegral gmMonth
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)
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data YMD_ = Y_ !Integer | YM_ !Integer !Int | YMD_ !Integer !Int !Int
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fromYMDMatcher :: YMDMatcher -> YMD_
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fromYMDMatcher m = case m of
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Y y -> Y_ $ fromIntegral y
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YM g -> uncurry YM_ $ gregMTup g
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YMD g -> uncurry3 YMD_ $ gregTup g
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compareDate :: DateMatcher -> Day -> Ordering
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compareDate (On md) x =
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case fromYMDMatcher md of
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Y_ y' -> compare y y'
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YM_ y' m' -> compare (y, m) (y', m')
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YMD_ y' m' d' -> compare (y, m, d) (y', m', d')
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where
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(y, m, d) = toGregorian x
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compareDate (In md offset) x = do
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case fromYMDMatcher md of
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Y_ y' -> compareRange y' y
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YM_ y' m' -> compareRange (toMonth y' m') $ toMonth y m
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YMD_ y' m' d' ->
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let s = toModifiedJulianDay $ fromGregorian y' m' d'
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in compareRange s $ toModifiedJulianDay x
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where
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(y, m, _) = toGregorian x
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compareRange start z
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| z < start = LT
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| otherwise = if (start + fromIntegral offset - 1) < z then GT else EQ
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toMonth year month = (year * 12) + fromIntegral month
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fromGregorian' :: Gregorian -> Day
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fromGregorian' = uncurry3 fromGregorian . gregTup
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inDaySpan :: DaySpan -> Day -> Bool
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inDaySpan bs = withinDays (fromDaySpan bs)
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withinDays :: (Day, Day) -> Day -> Bool
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withinDays (d0, d1) x = d0 <= x && x < d1
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resolveDaySpan :: Interval -> InsertExcept DaySpan
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resolveDaySpan i@Interval {intStart = s} =
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resolveDaySpan_ (s {gYear = gYear s + 50}) i
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intersectDaySpan :: DaySpan -> DaySpan -> Maybe DaySpan
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intersectDaySpan a b =
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if b' > a' then Nothing else Just $ toDaySpan (a', b')
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where
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(a0, a1) = fromDaySpan a
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(b0, b1) = fromDaySpan b
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a' = max a0 a1
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b' = min b0 b1
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resolveDaySpan_ :: Gregorian -> Interval -> InsertExcept DaySpan
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resolveDaySpan_ def Interval {intStart = s, intEnd = e} =
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case fromGregorian' <$> e of
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Nothing -> return $ toDaySpan_ $ fromGregorian' def
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Just e_
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| s_ < e_ -> return $ toDaySpan_ e_
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| otherwise -> throwError $ InsertException [DaySpanError s e]
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where
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s_ = fromGregorian' s
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toDaySpan_ end = toDaySpan (s_, end)
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fromDaySpan :: DaySpan -> (Day, Day)
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fromDaySpan (d, n) = (d, addDays (fromIntegral n + 1) d)
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-- ASSUME a < b
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toDaySpan :: (Day, Day) -> DaySpan
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toDaySpan (a, b) = (a, fromIntegral $ diffDays b a - 1)
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--------------------------------------------------------------------------------
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-- matching
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matches :: MatchRe -> TxRecord -> InsertExceptT CurrencyM (MatchRes DeferredTx)
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matches
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StatementParser {spTx, spOther, spVal, spDate, spDesc}
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r@TxRecord {trDate, trAmount, trDesc, trOther} = do
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res <- liftInner $
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combineError3 val other desc $
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\x y z -> x && y && z && date
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if res
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then maybe (return MatchSkip) convert spTx
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else return MatchFail
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where
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val = valMatches spVal trAmount
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date = maybe True (`dateMatches` trDate) spDate
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other = foldM (\a o -> (a &&) <$> otherMatches trOther o) True spOther
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desc = maybe (return True) (matchMaybe trDesc . snd) spDesc
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convert tg = MatchPass <$> toTx tg r
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toTx :: TxGetter -> TxRecord -> InsertExceptT CurrencyM DeferredTx
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toTx
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TxGetter
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{ tgFromAcnt
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, tgToAcnt
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, tgFromComment
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, tgToComment
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, tgFromTags
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, tgToTags
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, tgCurrency
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, tgFromEntries
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, tgToEntries
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, tgOtherEntries
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}
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r@TxRecord {trAmount, trDate, trDesc} = do
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combineError3 acntRes curRes subRes $ \(fa, ta) (cur, fe, te) ss ->
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Tx
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{ dtxDate = trDate
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, dtxDescr = trDesc
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, dtxEntries =
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EntrySet
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{ desTotalValue = trAmount
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, desCurrency = cur
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, desFromEntry0 = entry0 fa tgFromComment tgFromTags
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, desFromEntries = fe
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, desToEntries = te
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, desToEntryBal = entry0 ta tgToComment tgToTags
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}
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: ss
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}
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where
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resolveAcnt_ = liftInner . resolveAcnt r
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acntRes =
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combineError
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(resolveAcnt_ tgFromAcnt)
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(resolveAcnt_ tgToAcnt)
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(,)
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curRes = do
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cur <- liftInner $ resolveCurrency r tgCurrency
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let feRes = mapErrors (resolveEntry cur r) tgFromEntries
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let teRes = mapErrors (resolveEntry cur r) tgToEntries
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combineError feRes teRes (cur,,)
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subRes = mapErrors (resolveSubGetter r) tgOtherEntries
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entry0 a c ts = Entry {eAcnt = a, eValue = (), eComment = c, eTags = ts}
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resolveSubGetter
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:: TxRecord
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-> TxSubGetter
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-> InsertExceptT CurrencyM DeferredEntrySet
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resolveSubGetter
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r
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TxSubGetter
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{ tsgFromAcnt
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, tsgToAcnt
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, tsgValue
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, tsgCurrency
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, tsgFromEntries
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, tsgToEntries
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} = combineErrorM acntRes curRes $ \(fa, ta) (cur, fe, te) ->
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do
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m <- ask
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-- TODO laaaaame...
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(Deferred _ val) <- liftInner $ mapM (roundPrecisionCur cur m) =<< resolveValue r tsgValue
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let fromEntry =
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Entry
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{ eAcnt = fa
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, eValue = ()
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, eComment = "" -- TODO actually fill this in
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, eTags = [] -- TODO what goes here?
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}
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let toEntry =
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Entry
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{ eAcnt = ta
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, eValue = ()
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, eComment = ""
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, eTags = []
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}
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return
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EntrySet
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{ desTotalValue = val
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, desCurrency = cur
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, desFromEntry0 = fromEntry
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, desFromEntries = fe
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, desToEntries = te
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, desToEntryBal = toEntry
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}
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where
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resolveAcnt_ = liftInner . resolveAcnt r
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acntRes =
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combineError
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(resolveAcnt_ tsgFromAcnt)
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(resolveAcnt_ tsgToAcnt)
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(,)
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curRes = do
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cur <- liftInner $ resolveCurrency r tsgCurrency
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let feRes = mapErrors (resolveEntry cur r) tsgFromEntries
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let teRes = mapErrors (resolveEntry cur r) tsgToEntries
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combineError feRes teRes (cur,,)
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valMatches :: ValMatcher -> Rational -> InsertExcept Bool
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valMatches ValMatcher {vmDen, vmSign, vmNum, vmPrec} x
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| Just d_ <- vmDen, d_ >= p = throwError $ InsertException [MatchValPrecisionError d_ p]
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| otherwise =
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return $
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checkMaybe (s ==) vmSign
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&& checkMaybe (n ==) vmNum
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&& checkMaybe ((d * fromIntegral p ==) . fromIntegral) vmDen
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where
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(n, d) = properFraction $ abs x
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p = 10 ^ vmPrec
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s = signum x >= 0
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checkMaybe = maybe True
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dateMatches :: DateMatcher -> Day -> Bool
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dateMatches md = (EQ ==) . compareDate md
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otherMatches :: M.Map T.Text T.Text -> FieldMatcherRe -> InsertExcept Bool
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otherMatches dict m = case m of
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Val (Field n mv) -> valMatches mv =<< (readRational =<< lookup_ MatchNumeric n)
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Desc (Field n (_, md)) -> (`matchMaybe` md) =<< lookup_ MatchText n
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where
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lookup_ t n = lookupErr (MatchField t) n dict
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|
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-- TODO this should be more general?
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resolveEntry
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:: CurID
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-> TxRecord
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-> EntryGetter
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-> InsertExceptT CurrencyM (Entry AcntID (Deferred Rational) TagID)
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resolveEntry cur r s@Entry {eAcnt, eValue} = do
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m <- ask
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liftInner $ combineErrorM acntRes valRes $ \a v -> do
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v' <- mapM (roundPrecisionCur cur m) v
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return $ s {eAcnt = a, eValue = v'}
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where
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acntRes = resolveAcnt r eAcnt
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valRes = resolveValue r eValue
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-- curRes = resolveCurrency r eCurrency
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-- -- TODO wet code (kinda, not sure if it's worth combining with above)
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-- resolveToEntry :: TxRecord -> EntryGetter -> InsertExceptT CurrencyM RawEntry
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-- resolveToEntry r s@Entry {eAcnt, eValue, eCurrency} = do
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-- m <- ask
|
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-- liftInner $ combineErrorM3 acntRes curRes valRes $ \a c v -> do
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-- v' <- mapM (roundPrecisionCur c m) v
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-- return $ s {eAcnt = a, eValue = maybe Derive (ConstD False) v', eCurrency = c}
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-- where
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-- acntRes = resolveAcnt r eAcnt
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-- curRes = resolveCurrency r eCurrency
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-- valRes = mapM (resolveToValue r) eValue
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|
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liftInner :: Monad m => ExceptT e Identity a -> ExceptT e m a
|
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liftInner = mapExceptT (return . runIdentity)
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liftExceptT :: MonadError e m => ExceptT e m a -> m a
|
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liftExceptT x = runExceptT x >>= either throwError return
|
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|
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liftExcept :: MonadError e m => Except e a -> m a
|
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liftExcept = either throwError return . runExcept
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|
|
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-- tryError :: MonadError e m => m a -> m (Either e a)
|
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-- tryError action = (Right <$> action) `catchError` (pure . Left)
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|
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liftIOExceptT :: MonadIO m => InsertExceptT m a -> m a
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liftIOExceptT = fromEither <=< runExceptT
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|
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liftIOExcept :: MonadIO m => InsertExcept a -> m a
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liftIOExcept = fromEither . runExcept
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|
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combineError :: MonadError InsertException m => m a -> m b -> (a -> b -> c) -> m c
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combineError a b f = combineErrorM a b (\x y -> pure $ f x y)
|
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|
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combineError_ :: MonadError InsertException m => m a -> m b -> m ()
|
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combineError_ a b = do
|
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_ <- catchError a $ \e ->
|
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throwError =<< catchError (e <$ b) (return . (e <>))
|
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_ <- b
|
|
return ()
|
|
|
|
combineErrorM :: MonadError InsertException m => m a -> m b -> (a -> b -> m c) -> m c
|
|
combineErrorM a b f = do
|
|
a' <- catchError a $ \e ->
|
|
throwError =<< catchError (e <$ b) (return . (e <>))
|
|
f a' =<< b
|
|
|
|
combineError3 :: MonadError InsertException m => m a -> m b -> m c -> (a -> b -> c -> d) -> m d
|
|
combineError3 a b c f =
|
|
combineError (combineError a b (,)) c $ \(x, y) z -> f x y z
|
|
|
|
combineErrorM3 :: MonadError InsertException m => m a -> m b -> m c -> (a -> b -> c -> m d) -> m d
|
|
combineErrorM3 a b c f = do
|
|
combineErrorM (combineErrorM a b (curry return)) c $ \(x, y) z -> f x y z
|
|
|
|
mapErrors
|
|
:: (Traversable t, MonadError InsertException m)
|
|
=> (a -> m b)
|
|
-> t a
|
|
-> m (t b)
|
|
-- First, record number of each action. Then try each action. On first failure,
|
|
-- note it's position in the sequence, skip ahead to the untried actions,
|
|
-- collect failures and add to the first failure.
|
|
mapErrors f xs = mapM go $ enumTraversable xs
|
|
where
|
|
go (n, x) = catchError (f x) $ \e -> do
|
|
es <- fmap catMaybes $ mapM (err . f) $ drop (n + 1) $ toList xs
|
|
throwError $ foldr (<>) e es
|
|
err x = catchError (Nothing <$ x) (pure . Just)
|
|
|
|
combineErrors :: (Traversable t, MonadError InsertException m) => t (m a) -> m (t a)
|
|
combineErrors = mapErrors id
|
|
|
|
enumTraversable :: (Num n, Traversable t) => t a -> t (n, a)
|
|
enumTraversable = snd . L.mapAccumL go 0
|
|
where
|
|
go n x = (n + 1, (n, x))
|
|
|
|
combineErrorIO2 :: MonadUnliftIO m => m a -> m b -> (a -> b -> c) -> m c
|
|
combineErrorIO2 a b f = combineErrorIOM2 a b (\x y -> pure $ f x y)
|
|
|
|
combineErrorIO3 :: MonadUnliftIO m => m a -> m b -> m c -> (a -> b -> c -> d) -> m d
|
|
combineErrorIO3 a b c f = combineErrorIOM3 a b c (\x y z -> pure $ f x y z)
|
|
|
|
combineErrorIOM2 :: MonadUnliftIO m => m a -> m b -> (a -> b -> m c) -> m c
|
|
combineErrorIOM2 a b f = do
|
|
a' <- catch a $ \(InsertException es) ->
|
|
(throwIO . InsertException)
|
|
=<< catch (es <$ b) (\(InsertException es') -> return (es' ++ es))
|
|
f a' =<< b
|
|
|
|
combineErrorIOM3 :: MonadUnliftIO m => m a -> m b -> m c -> (a -> b -> c -> m d) -> m d
|
|
combineErrorIOM3 a b c f =
|
|
combineErrorIOM2 (combineErrorIOM2 a b (curry return)) c $ \(x, y) z -> f x y z
|
|
|
|
mapErrorsIO :: (Traversable t, MonadUnliftIO m) => (a -> m b) -> t a -> m (t b)
|
|
mapErrorsIO f xs = mapM go $ enumTraversable xs
|
|
where
|
|
go (n, x) = catch (f x) $ \(InsertException e) -> do
|
|
es <- fmap catMaybes $ mapM (err . f) $ drop (n + 1) $ toList xs
|
|
throwIO $ InsertException $ foldr (<>) e es
|
|
err x = catch (Nothing <$ x) $ \(InsertException es) -> pure $ Just es
|
|
|
|
collectErrorsIO :: (Traversable t, MonadUnliftIO m) => t (m a) -> m (t a)
|
|
collectErrorsIO = mapErrorsIO id
|
|
|
|
resolveValue :: TxRecord -> EntryNumGetter -> InsertExcept (Deferred Double)
|
|
resolveValue TxRecord {trOther, trAmount} s = case s of
|
|
(LookupN t) -> Deferred False <$> (readDouble =<< lookupErr EntryValField t trOther)
|
|
(ConstN c) -> return $ Deferred False c
|
|
AmountN m -> return $ Deferred False $ (* m) $ fromRational trAmount
|
|
BalanceN x -> return $ Deferred True x
|
|
|
|
-- -- TODO not DRY
|
|
-- resolveToValue :: TxRecord -> ToEntryNumGetter -> InsertExcept Double
|
|
-- resolveToValue TxRecord {trOther, trAmount} s = case s of
|
|
-- (TLookupN t) -> readDouble =<< lookupErr EntryValField t trOther
|
|
-- (TConstN c) -> return c
|
|
-- TAmountN m -> return $ (* m) $ fromRational trAmount
|
|
|
|
resolveAcnt :: TxRecord -> EntryAcnt -> InsertExcept T.Text
|
|
resolveAcnt = resolveEntryField AcntField
|
|
|
|
resolveCurrency :: TxRecord -> EntryCur -> InsertExcept T.Text
|
|
resolveCurrency = resolveEntryField CurField
|
|
|
|
resolveEntryField :: EntryIDType -> TxRecord -> EntryAcnt -> InsertExcept T.Text
|
|
resolveEntryField t TxRecord {trOther = o} s = case s of
|
|
ConstT p -> return p
|
|
LookupT f -> lookup_ f o
|
|
MapT (Field f m) -> do
|
|
k <- lookup_ f o
|
|
lookup_ k m
|
|
Map2T (Field (f1, f2) m) -> do
|
|
(k1, k2) <- combineError (lookup_ f1 o) (lookup_ f2 o) (,)
|
|
lookup_ (k1, k2) m
|
|
where
|
|
lookup_ :: (Ord k, Show k) => k -> M.Map k v -> InsertExcept v
|
|
lookup_ = lookupErr (EntryIDField t)
|
|
|
|
lookupErr :: (Ord k, Show k) => LookupSuberr -> k -> M.Map k v -> InsertExcept v
|
|
lookupErr what k m = case M.lookup k m of
|
|
Just x -> return x
|
|
_ -> throwError $ InsertException [LookupError what $ showT k]
|
|
|
|
parseRational :: MonadFail m => (T.Text, Regex) -> T.Text -> m Rational
|
|
parseRational (pat, re) s = case matchGroupsMaybe s re of
|
|
[sign, x, ""] -> uncurry (*) <$> readWhole sign x
|
|
[sign, x, y] -> do
|
|
d <- readT "decimal" y
|
|
let p = 10 ^ T.length y
|
|
(k, w) <- readWhole sign x
|
|
return $ k * (w + d % p)
|
|
_ -> msg "malformed decimal"
|
|
where
|
|
readT what t = case readMaybe $ T.unpack t of
|
|
Just d -> return $ fromInteger d
|
|
_ -> msg $ T.unwords ["could not parse", what, singleQuote t]
|
|
msg :: MonadFail m => T.Text -> m a
|
|
msg m =
|
|
fail $
|
|
T.unpack $
|
|
T.unwords [m, "-", keyVals [("pattern", pat), ("query", s)]]
|
|
readSign x
|
|
| x == "-" = return (-1)
|
|
| x == "+" || x == "" = return 1
|
|
| otherwise = msg $ T.append "invalid sign: " x
|
|
readWhole sign x = do
|
|
w <- readT "whole number" x
|
|
k <- readSign sign
|
|
return (k, w)
|
|
|
|
readDouble :: T.Text -> InsertExcept Double
|
|
readDouble s = case readMaybe $ T.unpack s of
|
|
Just x -> return x
|
|
Nothing -> throwError $ InsertException [ConversionError s]
|
|
|
|
readRational :: T.Text -> InsertExcept Rational
|
|
readRational s = case T.split (== '.') s of
|
|
[x] -> maybe err (return . fromInteger) $ readT x
|
|
[x, y] -> case (readT x, readT y) of
|
|
(Just x', Just y') ->
|
|
let p = 10 ^ T.length y
|
|
k = if x' >= 0 then 1 else -1
|
|
in return $ fromInteger x' + k * y' % p
|
|
_ -> err
|
|
_ -> err
|
|
where
|
|
readT = readMaybe . T.unpack
|
|
err = throwError $ InsertException [ConversionError s]
|
|
|
|
-- TODO smells like a lens
|
|
-- mapTxSplits :: (a -> b) -> Tx a -> Tx b
|
|
-- mapTxSplits f t@Tx {txSplits = ss} = t {txSplits = fmap f ss}
|
|
|
|
fmtRational :: Natural -> Rational -> T.Text
|
|
fmtRational precision x = T.concat [s, txt n', ".", pad 2 "0" $ txt d']
|
|
where
|
|
s = if x >= 0 then "" else "-"
|
|
x'@(n :% d) = abs x
|
|
p = 10 ^ precision
|
|
n' = div n d
|
|
d' = (\(a :% b) -> div a b) ((x' - fromIntegral n') * p)
|
|
txt = T.pack . show
|
|
pad i c z = T.append (T.replicate (i - T.length z) c) z
|
|
|
|
roundPrecision :: Natural -> Double -> Rational
|
|
roundPrecision n = (% p) . round . (* fromIntegral p) . toRational
|
|
where
|
|
p = 10 ^ n
|
|
|
|
roundPrecisionCur :: CurID -> CurrencyMap -> Double -> InsertExcept Rational
|
|
roundPrecisionCur c m x =
|
|
case M.lookup c m of
|
|
Just (_, n) -> return $ roundPrecision n x
|
|
Nothing -> throwError $ InsertException [undefined]
|
|
|
|
acntPath2Text :: AcntPath -> T.Text
|
|
acntPath2Text (AcntPath t cs) = T.intercalate "/" (atName t : cs)
|
|
|
|
--------------------------------------------------------------------------------
|
|
-- error display
|
|
|
|
showError :: InsertError -> [T.Text]
|
|
showError other = case other of
|
|
(StatementError ts ms) -> (showTx <$> ts) ++ (showMatch <$> ms)
|
|
(DaySpanError a b) ->
|
|
[T.unwords ["Could not create bounds from", showGregorian_ a, "and", showGreg b]]
|
|
where
|
|
showGreg (Just g) = showGregorian_ g
|
|
showGreg Nothing = "Inf"
|
|
(AccountError a ts) ->
|
|
[ T.unwords
|
|
[ "account type of key"
|
|
, singleQuote a
|
|
, "is not one of:"
|
|
, ts_
|
|
]
|
|
]
|
|
where
|
|
ts_ = T.intercalate ", " $ NE.toList $ fmap atName ts
|
|
(PatternError s b r p) -> [T.unwords [msg, "in pattern: ", pat]]
|
|
where
|
|
pat =
|
|
keyVals $
|
|
[ (k, v)
|
|
| (k, Just v) <-
|
|
[ ("start", Just $ showT s)
|
|
, ("by", Just $ showT b)
|
|
, ("repeats", showT <$> r)
|
|
]
|
|
]
|
|
msg = case p of
|
|
ZeroLength -> "Zero repeat length"
|
|
ZeroRepeats -> "Zero repeats"
|
|
(RegexError re) -> [T.append "could not make regex from pattern: " re]
|
|
(ConversionError x) -> [T.append "Could not convert to rational number: " x]
|
|
(InsertIOError msg) -> [T.append "IO Error: " msg]
|
|
(ParseError msg) -> [T.append "Parse Error: " msg]
|
|
(MatchValPrecisionError d p) ->
|
|
[T.unwords ["Match denominator", showT d, "must be less than", showT p]]
|
|
(LookupError t f) ->
|
|
[T.unwords ["Could not find field", f, "when resolving", what]]
|
|
where
|
|
what = case t of
|
|
EntryIDField st -> T.unwords ["entry", idName st, "ID"]
|
|
EntryValField -> "entry value"
|
|
MatchField mt -> T.unwords [matchName mt, "match"]
|
|
DBKey st -> T.unwords ["database", idName st, "ID key"]
|
|
-- TODO this should be its own function
|
|
idName AcntField = "account"
|
|
idName CurField = "currency"
|
|
idName TagField = "tag"
|
|
matchName MatchNumeric = "numeric"
|
|
matchName MatchText = "text"
|
|
(IncomeError day name balance) ->
|
|
[ T.unwords
|
|
[ "Income allocations for budget"
|
|
, singleQuote name
|
|
, "exceed total on day"
|
|
, showT day
|
|
, "where balance is"
|
|
, showT (fromRational balance :: Double)
|
|
]
|
|
]
|
|
(PeriodError start next) ->
|
|
[ T.unwords
|
|
[ "First pay period on "
|
|
, singleQuote $ showT start
|
|
, "must start before first income payment on "
|
|
, singleQuote $ showT next
|
|
]
|
|
]
|
|
|
|
showGregorian_ :: Gregorian -> T.Text
|
|
showGregorian_ Gregorian {gYear, gMonth, gDay} = T.intercalate "-" $ showT <$> [gYear, gMonth, gDay]
|
|
|
|
showTx :: TxRecord -> T.Text
|
|
showTx TxRecord {trDate = d, trAmount = v, trDesc = e, trFile = f} =
|
|
T.append "Unmatched transaction: " $
|
|
keyVals
|
|
[ ("path", T.pack f)
|
|
, ("date", T.pack $ iso8601Show d)
|
|
, ("value", showT (fromRational v :: Float))
|
|
, ("description", doubleQuote e)
|
|
]
|
|
|
|
showMatch :: MatchRe -> T.Text
|
|
showMatch StatementParser {spDate, spVal, spDesc, spOther, spTimes, spPriority} =
|
|
T.append "Unused match: " $ keyVals [(x, y) | (x, Just y) <- kvs]
|
|
where
|
|
kvs =
|
|
[ ("date", showDateMatcher <$> spDate)
|
|
, ("val", showValMatcher spVal)
|
|
, ("desc", fst <$> spDesc)
|
|
, ("other", others)
|
|
, ("counter", Just $ maybe "Inf" showT spTimes)
|
|
, ("priority", Just $ showT spPriority)
|
|
]
|
|
others = case spOther of
|
|
[] -> Nothing
|
|
xs -> Just $ singleQuote $ T.concat $ showMatchOther <$> xs
|
|
|
|
-- | Convert match date to text
|
|
-- Single date matches will just show the single date, and ranged matches will
|
|
-- show an interval like [YY-MM-DD, YY-MM-DD)
|
|
showDateMatcher :: DateMatcher -> T.Text
|
|
showDateMatcher md = case md of
|
|
(On x) -> showYMDMatcher x
|
|
(In start n) -> T.concat ["[", showYMDMatcher start, " ", showYMD_ end, ")"]
|
|
where
|
|
-- TODO not DRY (this shifting thing happens during the comparison
|
|
-- function (kinda)
|
|
end = case fromYMDMatcher start of
|
|
Y_ y -> Y_ $ y + fromIntegral n
|
|
YM_ y m ->
|
|
let (y_, m_) = divMod (m + fromIntegral n - 1) 12
|
|
in YM_ (y + fromIntegral y_) (m + m_ + 1)
|
|
YMD_ y m d ->
|
|
uncurry3 YMD_ $
|
|
toGregorian $
|
|
addDays (fromIntegral n) $
|
|
fromGregorian y m d
|
|
|
|
-- | convert YMD match to text
|
|
showYMDMatcher :: YMDMatcher -> T.Text
|
|
showYMDMatcher = showYMD_ . fromYMDMatcher
|
|
|
|
showYMD_ :: YMD_ -> T.Text
|
|
showYMD_ md =
|
|
T.intercalate "-" $ L.take 3 (fmap showT digits ++ L.repeat "*")
|
|
where
|
|
digits = case md of
|
|
Y_ y -> [fromIntegral y]
|
|
YM_ y m -> [fromIntegral y, m]
|
|
YMD_ y m d -> [fromIntegral y, m, d]
|
|
|
|
showValMatcher :: ValMatcher -> Maybe T.Text
|
|
showValMatcher ValMatcher {vmSign = Nothing, vmNum = Nothing, vmDen = Nothing} = Nothing
|
|
showValMatcher ValMatcher {vmNum, vmDen, vmSign, vmPrec} =
|
|
Just $ singleQuote $ keyVals [(k, v) | (k, Just v) <- kvs]
|
|
where
|
|
kvs =
|
|
[ ("sign", (\s -> if s then "+" else "-") <$> vmSign)
|
|
, ("numerator", showT <$> vmNum)
|
|
, ("denominator", showT <$> vmDen)
|
|
, ("precision", Just $ showT vmPrec)
|
|
]
|
|
|
|
showMatchOther :: FieldMatcherRe -> T.Text
|
|
showMatchOther (Desc (Field f (re, _))) =
|
|
T.unwords ["desc field", singleQuote f, "with re", singleQuote re]
|
|
showMatchOther (Val (Field f mv)) =
|
|
T.unwords
|
|
[ "val field"
|
|
, singleQuote f
|
|
, "with match value"
|
|
, singleQuote $ fromMaybe "*" $ showValMatcher mv
|
|
]
|
|
|
|
singleQuote :: T.Text -> T.Text
|
|
singleQuote t = T.concat ["'", t, "'"]
|
|
|
|
doubleQuote :: T.Text -> T.Text
|
|
doubleQuote t = T.concat ["'", t, "'"]
|
|
|
|
keyVal :: T.Text -> T.Text -> T.Text
|
|
keyVal a b = T.concat [a, "=", b]
|
|
|
|
keyVals :: [(T.Text, T.Text)] -> T.Text
|
|
keyVals = T.intercalate "; " . fmap (uncurry keyVal)
|
|
|
|
showT :: Show a => a -> T.Text
|
|
showT = T.pack . show
|
|
|
|
--------------------------------------------------------------------------------
|
|
-- pure error processing
|
|
|
|
-- concatEither2 :: Either x a -> Either x b -> (a -> b -> c) -> Either [x] c
|
|
-- concatEither2 a b fun = case (a, b) of
|
|
-- (Right a_, Right b_) -> Right $ fun a_ b_
|
|
-- _ -> Left $ catMaybes [leftToMaybe a, leftToMaybe b]
|
|
|
|
-- concatEither2M :: Monad m => Either x a -> Either x b -> (a -> b -> m c) -> m (Either [x] c)
|
|
-- concatEither2M a b fun = case (a, b) of
|
|
-- (Right a_, Right b_) -> Right <$> fun a_ b_
|
|
-- _ -> return $ Left $ catMaybes [leftToMaybe a, leftToMaybe b]
|
|
|
|
-- concatEither3 :: Either x a -> Either x b -> Either x c -> (a -> b -> c -> d) -> Either [x] d
|
|
-- concatEither3 a b c fun = case (a, b, c) of
|
|
-- (Right a_, Right b_, Right c_) -> Right $ fun a_ b_ c_
|
|
-- _ -> Left $ catMaybes [leftToMaybe a, leftToMaybe b, leftToMaybe c]
|
|
|
|
-- concatEithers2 :: Either [x] a -> Either [x] b -> (a -> b -> c) -> Either [x] c
|
|
-- concatEithers2 a b = merge . concatEither2 a b
|
|
|
|
-- concatEithers2M
|
|
-- :: Monad m
|
|
-- => Either [x] a
|
|
-- -> Either [x] b
|
|
-- -> (a -> b -> m c)
|
|
-- -> m (Either [x] c)
|
|
-- concatEithers2M a b = fmap merge . concatEither2M a b
|
|
|
|
-- concatEithers3
|
|
-- :: Either [x] a
|
|
-- -> Either [x] b
|
|
-- -> Either [x] c
|
|
-- -> (a -> b -> c -> d)
|
|
-- -> Either [x] d
|
|
-- concatEithers3 a b c = merge . concatEither3 a b c
|
|
|
|
-- concatEitherL :: [Either x a] -> Either [x] [a]
|
|
-- concatEitherL as = case partitionEithers as of
|
|
-- ([], bs) -> Right bs
|
|
-- (es, _) -> Left es
|
|
|
|
-- concatEithersL :: [Either [x] a] -> Either [x] [a]
|
|
-- concatEithersL = merge . concatEitherL
|
|
|
|
-- leftToMaybe :: Either a b -> Maybe a
|
|
-- leftToMaybe (Left a) = Just a
|
|
-- leftToMaybe _ = Nothing
|
|
|
|
unlessLeft :: (Monad m, MonadPlus n) => Either a b -> (b -> m (n a)) -> m (n a)
|
|
unlessLeft (Left es) _ = return (return es)
|
|
unlessLeft (Right rs) f = f rs
|
|
|
|
unlessLefts :: (Monad m) => Either (n a) b -> (b -> m (n a)) -> m (n a)
|
|
unlessLefts (Left es) _ = return es
|
|
unlessLefts (Right rs) f = f rs
|
|
|
|
unlessLeft_ :: (Monad m, MonadPlus n) => Either a b -> (b -> m ()) -> m (n a)
|
|
unlessLeft_ e f = unlessLeft e (\x -> void (f x) >> return mzero)
|
|
|
|
unlessLefts_ :: (Monad m, MonadPlus n) => Either (n a) b -> (b -> m ()) -> m (n a)
|
|
unlessLefts_ e f = unlessLefts e (\x -> void (f x) >> return mzero)
|
|
|
|
-- plural :: Either a b -> Either [a] b
|
|
-- plural = first (: [])
|
|
|
|
-- merge :: Either [[a]] b -> Either [a] b
|
|
-- merge = first concat
|
|
|
|
--------------------------------------------------------------------------------
|
|
-- random functions
|
|
|
|
-- when bifunctor fails...
|
|
-- thrice :: (a -> d) -> (b -> e) -> (c -> f) -> (a, b, c) -> (d, e, f)
|
|
-- thrice f1 f2 f3 (x, y, z) = (f1 x, f2 y, f3 z)
|
|
|
|
-- groupKey :: Ord c => (a -> c) -> [(a, b)] -> [(a, [b])]
|
|
-- groupKey f = fmap go . NE.groupAllWith (f . fst)
|
|
-- where
|
|
-- go xs@((c, _) :| _) = (c, NE.toList $ fmap snd xs)
|
|
|
|
mapAdd_ :: (Ord k, Num v) => k -> v -> M.Map k v -> M.Map k v
|
|
mapAdd_ k v = M.alter (maybe (Just v) (Just . (+ v))) k
|
|
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|
uncurry3 :: (a -> b -> c -> d) -> (a, b, c) -> d
|
|
uncurry3 f (a, b, c) = f a b c
|
|
|
|
fstOf3 :: (a, b, c) -> a
|
|
fstOf3 (a, _, _) = a
|
|
|
|
sndOf3 :: (a, b, c) -> b
|
|
sndOf3 (_, b, _) = b
|
|
|
|
thdOf3 :: (a, b, c) -> c
|
|
thdOf3 (_, _, c) = c
|
|
|
|
-- lpad :: a -> Int -> [a] -> [a]
|
|
-- lpad c n s = replicate (n - length s) c ++ s
|
|
|
|
-- rpad :: a -> Int -> [a] -> [a]
|
|
-- rpad c n s = s ++ replicate (n - length s) c
|
|
|
|
-- lpadT :: Char -> Int -> T.Text -> T.Text
|
|
-- lpadT c n s = T.append (T.replicate (n - T.length s) (T.singleton c)) s
|
|
|
|
-- TODO this regular expression appears to be compiled each time, which is
|
|
-- super slow
|
|
-- NOTE: see https://github.com/haskell-hvr/regex-tdfa/issues/9 - performance
|
|
-- is likely not going to be optimal for text
|
|
-- matchMaybe :: T.Text -> T.Text -> EitherErr Bool
|
|
-- matchMaybe q pat = case compres of
|
|
-- Right re -> case execute re q of
|
|
-- Right res -> Right $ isJust res
|
|
-- Left _ -> Left $ RegexError "this should not happen"
|
|
-- Left _ -> Left $ RegexError pat
|
|
-- where
|
|
-- -- these options barely do anything in terms of performance
|
|
-- compres = compile (blankCompOpt {newSyntax = True}) (blankExecOpt {captureGroups = False}) pat
|
|
|
|
compileOptions :: TxOpts T.Text -> InsertExcept TxOptsRe
|
|
compileOptions o@TxOpts {toAmountFmt = pat} = do
|
|
re <- compileRegex True pat
|
|
return $ o {toAmountFmt = re}
|
|
|
|
compileMatch :: StatementParser T.Text -> InsertExcept MatchRe
|
|
compileMatch m@StatementParser {spDesc, spOther} = do
|
|
combineError dres ores $ \d os -> m {spDesc = d, spOther = os}
|
|
where
|
|
go = compileRegex False
|
|
dres = mapM go spDesc
|
|
ores = combineErrors $ fmap (mapM go) spOther
|
|
|
|
compileRegex :: Bool -> T.Text -> InsertExcept (Text, Regex)
|
|
compileRegex groups pat = case res of
|
|
Right re -> return (pat, re)
|
|
Left _ -> throwError $ InsertException [RegexError pat]
|
|
where
|
|
res =
|
|
compile
|
|
(blankCompOpt {newSyntax = True})
|
|
(blankExecOpt {captureGroups = groups})
|
|
pat
|
|
|
|
matchMaybe :: T.Text -> Regex -> InsertExcept Bool
|
|
matchMaybe q re = case execute re q of
|
|
Right res -> return $ isJust res
|
|
Left _ -> throwError $ InsertException [RegexError "this should not happen"]
|
|
|
|
matchGroupsMaybe :: T.Text -> Regex -> [T.Text]
|
|
matchGroupsMaybe q re = case regexec re q of
|
|
Right Nothing -> []
|
|
Right (Just (_, _, _, xs)) -> xs
|
|
-- this should never fail as regexec always returns Right
|
|
Left _ -> []
|
|
|
|
lookupAccount :: (MonadInsertError m, MonadFinance m) => AcntID -> m (AccountRId, AcntSign, AcntType)
|
|
lookupAccount = lookupFinance AcntField kmAccount
|
|
|
|
lookupAccountKey :: (MonadInsertError m, MonadFinance m) => AcntID -> m AccountRId
|
|
lookupAccountKey = fmap fstOf3 . lookupAccount
|
|
|
|
lookupAccountSign :: (MonadInsertError m, MonadFinance m) => AcntID -> m AcntSign
|
|
lookupAccountSign = fmap sndOf3 . lookupAccount
|
|
|
|
lookupAccountType :: (MonadInsertError m, MonadFinance m) => AcntID -> m AcntType
|
|
lookupAccountType = fmap thdOf3 . lookupAccount
|
|
|
|
lookupCurrency :: (MonadInsertError m, MonadFinance m) => T.Text -> m (CurrencyRId, Natural)
|
|
lookupCurrency = lookupFinance CurField kmCurrency
|
|
|
|
lookupCurrencyKey :: (MonadInsertError m, MonadFinance m) => AcntID -> m CurrencyRId
|
|
lookupCurrencyKey = fmap fst . lookupCurrency
|
|
|
|
lookupCurrencyPrec :: (MonadInsertError m, MonadFinance m) => AcntID -> m Natural
|
|
lookupCurrencyPrec = fmap snd . lookupCurrency
|
|
|
|
lookupTag :: (MonadInsertError m, MonadFinance m) => TagID -> m TagRId
|
|
lookupTag = lookupFinance TagField kmTag
|
|
|
|
lookupFinance
|
|
:: (MonadInsertError m, MonadFinance m)
|
|
=> EntryIDType
|
|
-> (DBState -> M.Map T.Text a)
|
|
-> T.Text
|
|
-> m a
|
|
lookupFinance t f c = (liftExcept . lookupErr (DBKey t) c) =<< askDBState f
|