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dev: rename some Intervals for clarity [#2218]
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@simonmichael
simonmichael committed Sep 4, 2024
1 parent 9030b11 commit 154ea2a
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78 changes: 40 additions & 38 deletions hledger-lib/Hledger/Data/Dates.hs
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Original file line number Diff line number Diff line change
Expand Up @@ -221,33 +221,35 @@ spansSpan spans = DateSpan (spanStartDate =<< headMay spans) (spanEndDate =<< la
-- [DateSpan 2007-W01,DateSpan 2008-W02,DateSpan 2008-W03]
-- >>> t (Weeks 2) 2008 01 01 2008 01 15
-- [DateSpan 2007-12-31..2008-01-13,DateSpan 2008-01-14..2008-01-27]
-- >>> t (DayOfMonth 2) 2008 01 01 2008 04 01
-- >>> t (MonthDay 2) 2008 01 01 2008 04 01
-- [DateSpan 2008-01-02..2008-02-01,DateSpan 2008-02-02..2008-03-01,DateSpan 2008-03-02..2008-04-01]
-- >>> t (WeekdayOfMonth 2 4) 2011 01 01 2011 02 15
-- >>> t (NthWeekdayOfMonth 2 4) 2011 01 01 2011 02 15
-- [DateSpan 2010-12-09..2011-01-12,DateSpan 2011-01-13..2011-02-09,DateSpan 2011-02-10..2011-03-09]
-- >>> t (DaysOfWeek [2]) 2011 01 01 2011 01 15
-- [DateSpan 2010-12-28..2011-01-03,DateSpan 2011-01-04..2011-01-10,DateSpan 2011-01-11..2011-01-17]
-- >>> t (DayOfYear 11 29) 2012 10 01 2013 10 15
-- >>> t (MonthAndDay 11 29) 2012 10 01 2013 10 15
-- [DateSpan 2012-11-29..2013-11-28]
--
splitSpan :: Bool -> Interval -> DateSpan -> [DateSpan]
splitSpan _ _ (DateSpan Nothing Nothing) = [DateSpan Nothing Nothing]
splitSpan _ _ ds | isEmptySpan ds = []
splitSpan _ _ ds@(DateSpan (Just s) (Just e)) | s == e = [ds]
splitSpan _ NoInterval ds = [ds]
splitSpan _ (Days n) ds = splitspan id addDays n ds
splitSpan adjust (Weeks n) ds = splitspan (if adjust then startofweek else id) addDays (7*n) ds
splitSpan adjust (Months n) ds = splitspan (if adjust then startofmonth else id) addGregorianMonthsClip n ds
splitSpan adjust (Quarters n) ds = splitspan (if adjust then startofquarter else id) addGregorianMonthsClip (3*n) ds
splitSpan adjust (Years n) ds = splitspan (if adjust then startofyear else id) addGregorianYearsClip n ds
splitSpan _ (DayOfMonth dom) ds = splitspan (nextnthdayofmonth dom) (addGregorianMonthsToMonthday dom) 1 ds
splitSpan _ (DayOfYear m n) ds = splitspan (nextmonthandday m n) (addGregorianYearsClip) 1 ds
splitSpan adjust (WeekdayOfMonth n wd) ds = splitspan (if adjust then prevNthWeekdayOfMonth n wd else nextNthWeekdayOfMonth n wd) advancemonths 1 ds
splitSpan _ _ (DateSpan Nothing Nothing) = [DateSpan Nothing Nothing]
splitSpan _ _ ds | isEmptySpan ds = []
splitSpan _ _ ds@(DateSpan (Just s) (Just e)) | s == e = [ds]
splitSpan _ NoInterval ds = [ds]
splitSpan _ (Days n) ds = splitspan id addDays n ds
splitSpan adjust (Weeks n) ds = splitspan (if adjust then startofweek else id) addDays (7*n) ds
splitSpan adjust (Months n) ds = splitspan (if adjust then startofmonth else id) addGregorianMonthsClip n ds
splitSpan adjust (Quarters n) ds = splitspan (if adjust then startofquarter else id) addGregorianMonthsClip (3*n) ds
splitSpan adjust (Years n) ds = splitspan (if adjust then startofyear else id) addGregorianYearsClip n ds
splitSpan adjust (NthWeekdayOfMonth n wd) ds = splitspan (if adjust then prevstart else nextstart) advancemonths 1 ds
where
prevstart = prevNthWeekdayOfMonth n wd
nextstart = nextNthWeekdayOfMonth n wd
advancemonths 0 = id
advancemonths m = advanceToNthWeekday n wd . startofmonth . addGregorianMonthsClip m
splitSpan _ (DaysOfWeek []) ds = [ds]
splitSpan _ (DaysOfWeek days@(n:_)) ds = spansFromBoundaries e bdrys
splitSpan _ (MonthDay dom) ds = splitspan (nextnthdayofmonth dom) (addGregorianMonthsToMonthday dom) 1 ds
splitSpan _ (MonthAndDay m d) ds = splitspan (nextmonthandday m d) (addGregorianYearsClip) 1 ds
splitSpan _ (DaysOfWeek []) ds = [ds]
splitSpan _ (DaysOfWeek days@(n:_)) ds = spansFromBoundaries e bdrys
where
(s, e) = dateSpanSplitLimits (nthdayofweekcontaining n) nextday ds
bdrys = concatMap (flip map starts . addDays) [0,7..]
Expand Down Expand Up @@ -985,41 +987,41 @@ weekdaysp = fmap headErr . group . sort <$> sepBy1 weekday (string' ",") -- PAR
-- >>> p "every week to 2009"
-- Right (Weeks 1,DateSpan ..2008-12-31)
-- >>> p "every 2nd day of month"
-- Right (DayOfMonth 2,DateSpan ..)
-- Right (MonthDay 2,DateSpan ..)
-- >>> p "every 2nd day"
-- Right (DayOfMonth 2,DateSpan ..)
-- Right (MonthDay 2,DateSpan ..)
-- >>> p "every 2nd day 2009.."
-- Right (DayOfMonth 2,DateSpan 2009-01-01..)
-- Right (MonthDay 2,DateSpan 2009-01-01..)
-- >>> p "every 2nd day 2009-"
-- Right (DayOfMonth 2,DateSpan 2009-01-01..)
-- Right (MonthDay 2,DateSpan 2009-01-01..)
-- >>> p "every 29th Nov"
-- Right (DayOfYear 11 29,DateSpan ..)
-- Right (MonthAndDay 11 29,DateSpan ..)
-- >>> p "every 29th nov ..2009"
-- Right (DayOfYear 11 29,DateSpan ..2008-12-31)
-- Right (MonthAndDay 11 29,DateSpan ..2008-12-31)
-- >>> p "every nov 29th"
-- Right (DayOfYear 11 29,DateSpan ..)
-- Right (MonthAndDay 11 29,DateSpan ..)
-- >>> p "every Nov 29th 2009.."
-- Right (DayOfYear 11 29,DateSpan 2009-01-01..)
-- Right (MonthAndDay 11 29,DateSpan 2009-01-01..)
-- >>> p "every 11/29 from 2009"
-- Right (DayOfYear 11 29,DateSpan 2009-01-01..)
-- Right (MonthAndDay 11 29,DateSpan 2009-01-01..)
-- >>> p "every 11/29 since 2009"
-- Right (DayOfYear 11 29,DateSpan 2009-01-01..)
-- Right (MonthAndDay 11 29,DateSpan 2009-01-01..)
-- >>> p "every 2nd Thursday of month to 2009"
-- Right (WeekdayOfMonth 2 4,DateSpan ..2008-12-31)
-- Right (NthWeekdayOfMonth 2 4,DateSpan ..2008-12-31)
-- >>> p "every 1st monday of month to 2009"
-- Right (WeekdayOfMonth 1 1,DateSpan ..2008-12-31)
-- Right (NthWeekdayOfMonth 1 1,DateSpan ..2008-12-31)
-- >>> p "every tue"
-- Right (DaysOfWeek [2],DateSpan ..)
-- >>> p "every 2nd day of week"
-- Right (DaysOfWeek [2],DateSpan ..)
-- >>> p "every 2nd day of month"
-- Right (DayOfMonth 2,DateSpan ..)
-- Right (MonthDay 2,DateSpan ..)
-- >>> p "every 2nd day"
-- Right (DayOfMonth 2,DateSpan ..)
-- Right (MonthDay 2,DateSpan ..)
-- >>> p "every 2nd day 2009.."
-- Right (DayOfMonth 2,DateSpan 2009-01-01..)
-- Right (MonthDay 2,DateSpan 2009-01-01..)
-- >>> p "every 2nd day of month 2009.."
-- Right (DayOfMonth 2,DateSpan 2009-01-01..)
-- Right (MonthDay 2,DateSpan 2009-01-01..)
periodexprp :: Day -> TextParser m (Interval, DateSpan)
periodexprp rdate = do
skipNonNewlineSpaces
Expand Down Expand Up @@ -1048,9 +1050,9 @@ reportingintervalp = choice'
, Months 2 <$ string' "bimonthly"
, string' "every" *> skipNonNewlineSpaces *> choice'
[ DaysOfWeek . pure <$> (nth <* skipNonNewlineSpaces <* string' "day" <* of_ "week")
, DayOfMonth <$> (nth <* skipNonNewlineSpaces <* string' "day" <* optOf_ "month")
, liftA2 WeekdayOfMonth nth $ skipNonNewlineSpaces *> weekday <* optOf_ "month"
, uncurry DayOfYear <$> (md <* optOf_ "year")
, MonthDay <$> (nth <* skipNonNewlineSpaces <* string' "day" <* optOf_ "month")
, liftA2 NthWeekdayOfMonth nth $ skipNonNewlineSpaces *> weekday <* optOf_ "month"
, uncurry MonthAndDay <$> (md <* optOf_ "year")
, DaysOfWeek <$> weekdaysp
, DaysOfWeek [1..5] <$ string' "weekday"
, DaysOfWeek [6..7] <$ string' "weekendday"
Expand All @@ -1069,8 +1071,8 @@ reportingintervalp = choice'
optOf_ period = optional . try $ of_ period

nth = decimal <* choice (map string' ["st","nd","rd","th"])
d_o_y = runPermutation $ liftA2 DayOfYear (toPermutation $ (month <|> mon) <* skipNonNewlineSpaces)
(toPermutation $ nth <* skipNonNewlineSpaces)
d_o_y = runPermutation $ liftA2 MonthAndDay (toPermutation $ (month <|> mon) <* skipNonNewlineSpaces)
(toPermutation $ nth <* skipNonNewlineSpaces)

-- Parse any of several variants of a basic interval, eg "daily", "every day", "every N days".
tryinterval :: Text -> Text -> (Int -> Interval) -> TextParser m Interval
Expand Down
25 changes: 7 additions & 18 deletions hledger-lib/Hledger/Data/Types.hs
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Original file line number Diff line number Diff line change
Expand Up @@ -116,7 +116,7 @@ data DateSpan = DateSpan (Maybe EFDay) (Maybe EFDay) deriving (Eq,Ord,Generic)

instance Default DateSpan where def = DateSpan Nothing Nothing

-- Typical report periods (spans of time), both finite and open-ended.
-- Some common report subperiods, both finite and open-ended.
-- A higher-level abstraction than DateSpan.
data Period =
DayPeriod Day
Expand All @@ -132,30 +132,19 @@ data Period =

instance Default Period where def = PeriodAll

---- Typical report period/subperiod durations, from a day to a year.
--data Duration =
-- DayLong
-- WeekLong
-- MonthLong
-- QuarterLong
-- YearLong
-- deriving (Eq,Ord,Show,Generic)

-- Ways in which a period can be divided into subperiods.
-- All the kinds of report interval allowed in a period expression
-- (to generate periodic reports or periodic transactions).
data Interval =
NoInterval
| Days Int
| Weeks Int
| Months Int
| Quarters Int
| Years Int
| DayOfMonth Int
| WeekdayOfMonth Int Int
| DaysOfWeek [Int]
| DayOfYear Int Int -- Month, Day
-- WeekOfYear Int
-- MonthOfYear Int
-- QuarterOfYear Int
| NthWeekdayOfMonth Int Int -- n, weekday 1-7
| MonthDay Int -- 1-31
| MonthAndDay Int Int -- month 1-12, monthday 1-31
| DaysOfWeek [Int] -- [weekday 1-7]
deriving (Eq,Show,Ord,Generic)

instance Default Interval where def = NoInterval
Expand Down

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