ddate (empty) → 0.1.0.0

raw patch · 5 files changed

+569/−0 lines, 5 filesdep +basedep +datesdep +timesetup-changed

Dependencies added: base, dates, time

Files

• ChangeLog.md +5/−0
• Data/DDate.hs +181/−0
• LICENSE +339/−0
• Setup.hs +2/−0
• ddate.cabal +42/−0

@@ -0,0 +1,5 @@+# Revision history for ddate++## 0.1.0.0  -- YYYY-mm-dd++* First version. Released on an unsuspecting world.

@@ -0,0 +1,181 @@+module Data.DDate(DDateTime,+                  DDate,+                  Yold,+                  Season,+                  Day,+                  weekdays,+                  seasons,+                  fluxes,+                  holydays,+                  yold,+                  convertSeason,+                  convertDay,+                  holyday,+                  convertDateTime,+                  convertDate,+                  ddateToDDateTime,+                  ddateTimeToDDate,+                 )+  where+import Data.Dates (DateTime(DateTime), getCurrentDateTime)+import Data.Time.Calendar (isLeapYear)++-- hack to make holyday generic+data DDatable = DT DDateTime+              | D DDate++-- |The DDateTime data type. It consists of a Yold, a Season, a Day+-- |and three integers that signify the time of day.+data DDateTime = DDateTime {+  year :: Yold,+  season :: Season,+  day :: Day,+  hour :: Int,+  minute :: Int,+  second :: Int+}+  deriving (Eq, Ord)++instance Show DDateTime where+  show (DDateTime y s d h m sec) =+      show (DDate y s d) ++ ", " ++ pad(show h) ++ ":" +++      pad (show m) ++ ":" ++ pad (show sec)+    where pad s = replicate (2 - (length s)) '0' ++ s++-- |The DDateTime data type. It consists of a Yold, a Season and a Day.+data DDate = DDate {+  y :: Yold,+  s :: Season,+  d :: Day+}++instance Show DDate where+  show (DDate y s d@(Day dayval)) =+    show d ++ ", " ++ show s ++ " the " ++ dayofmonth dayval +++    ", " ++ show y ++ " YOLD"++-- |The Yold type. It's just an Int.+type Yold = Int++-- |The Season data type. It's just a wrapped Int.+data Season = Season Int+  deriving (Eq, Ord)++instance Show Season where+  show (Season s) = seasons !! s++-- |The Day type. It's just a wrapped Int.+data Day = Day Int+  deriving (Eq, Ord)++instance Show Day where+  show (Day d) = weekdays !! (weekday d)++-- |A function returning the names of the days of the week.+weekdays :: [String]+weekdays = [ "Sweetmorn"+           , "Boomtime"+           , "Pungenday"+           , "Prickle-Prickle"+           , "Setting Orange"+           ]++-- |A function returning the names of the seasons.+seasons :: [String]+seasons = [ "Chaos"+          , "Discord"+          , "Confusion"+          , "Bureacracy"+          , "The Aftermath"+          ]++-- |A function returning the names of the fluxes.+fluxes :: [String]+fluxes = [ "Chaoflux"+         , "Discoflux"+         , "Confuflux"+         , "Bureflux"+         , "Afflux"+         ]++-- |A function returning the names of the holydays.+holydays :: [String]+holydays = [ "Mungday"+           , "Mojoday"+           , "Syaday"+           , "Zaraday"+           , "Maladay"+           ]++-- | Converts an Int to a Season (takes the day of the year).+convertSeason :: Int -> Season+convertSeason x = Season $ quot x 73++-- | Converts an Int to it's weekday (also Int).+weekday :: Int -> Int+weekday x = rem x 5++-- | Converts an Int to a Day (takes the day of the year).+convertDay :: Int -> Day+convertDay x = Day $ rem x 73++dayofmonth :: Int -> String+dayofmonth x =+        if day > 3 && day < 21+            then sday ++ "th"+            else case mod day 10 of+                1 -> sday ++ "st"+                2 -> sday ++ "nd"+                3 -> sday ++ "rd"+                _ -> sday ++ "th"+    where day = rem x 73+          sday = show $ day++-- | Converts an Int to a YOLD (takes a regular year).+yold :: Int -> Yold+yold year = (year + 1166)++holyday' :: Int -> String+holyday' day+    | rem day 73 == 50 =+            printHoly holydays day+    | rem day 73 == 5 =+            printHoly fluxes day+    | otherwise = ""+    where printHoly l x = "\nCelebrate " ++ l !! quot x 73 ++ "!"++-- | Takes a DDate or DDateTime instance and returns+-- | the appropriate Holyday (or an empty string).+holyday :: DDatable -> String+holyday (DT (DDateTime _ _ (Day d) _ _ _)) = holyday' d+holyday (D (DDate _ _ (Day d))) = holyday' d++monthdays :: [Int]+monthdays = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]++-- | Upgrades a DateTime to a DDateTime.+convertDateTime :: DateTime -> DDateTime+convertDateTime dt@(DateTime y m d h min s) =+  let totalDays = d + sum (take (m - 1) monthdays)+  in DDateTime (yold y) (convertSeason totalDays) (convertDay totalDays) h min s++-- | Upgrades a DateTime to a DDate.+convertDate :: DateTime -> DDate+convertDate dt@(DateTime y m d _ _ _) =+  let totalDays = d + sum (take (m - 1) monthdays)+  in DDate (yold y) (convertSeason totalDays) (convertDay totalDays)++-- | Converts a DDate instance to a DDateTime instance+-- | with the time set to midnight.+ddateToDDateTime :: DDate -> DDateTime+ddateToDDateTime (DDate y s d) = DDateTime y s d 0 0 0++-- | Converts a DDateTime instance to a DDate instance.+ddateTimeToDDate :: DDateTime -> DDate+ddateTimeToDDate (DDateTime y s d _ _ _) = DDate y s d++-- | Gets the current DDateTime.+currentDDateTime :: IO DDateTime+currentDDateTime = do+  dt <- getCurrentDateTime+  return $ convertDateTime dt

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@@ -0,0 +1,2 @@+import Distribution.Simple+main = defaultMain

@@ -0,0 +1,42 @@+-- Initial ddate.cabal generated by cabal init.  For further documentation,+--  see http://haskell.org/cabal/users-guide/++-- The name of the package.+name:                ddate+-- The package version.  See the Haskell package versioning policy (PVP) +-- for standards guiding when and how versions should be incremented.+-- https://wiki.haskell.org/Package_versioning_policy+-- PVP summary:      +-+------- breaking API changes+--                   | | +----- non-breaking API additions+--                   | | | +--- code changes with no API change+version:             0.1.0.0+-- A short (one-line) description of the package.+synopsis:            Discordian Date Types for Haskell+-- A longer description of the package.+description:         This package adds the DDate and DDateTime types+                     and corresponding functions to Haskell+-- The license under which the package is released.+license:             GPL-2+-- The file containing the license text.+license-file:        LICENSE+-- The package author(s).+author:              Veit Heller+-- An email address to which users can send suggestions, bug reports, and +-- patches.+maintainer:          veit@veitheller.de+category:            Data+build-type:          Simple+-- Extra files to be distributed with the package, such as examples or a+-- README.+extra-source-files:  ChangeLog.md+-- Constraint on the version of Cabal needed to build this package.+cabal-version:       >=1.10+++library+  -- Modules exported by the library.+  exposed-modules:     Data.DDate+  -- Other library packages from which modules are imported.+  build-depends:       base >=4.9 && <4.10, time >=1.6 && <1.7, dates >=0.2+  -- Base language which the package is written in.+  default-language:    Haskell2010