Rename xp_racedate to xp_datetime.

[dead/htsn-import.git] / src / TSN / Picklers.hs

diff --git a/src/TSN/Picklers.hs b/src/TSN/Picklers.hs
index 387f4cf4fe4926d0c436678ca0e2ed509b075049..f697b8ca48196fadebdfc6cd92a912f113ab0e2f 100644 (file)
--- a/src/TSN/Picklers.hs
+++ b/src/TSN/Picklers.hs
@@ -4,15 +4,18 @@
 module TSN.Picklers (
   xp_date,
   xp_date_padded,
+  xp_datetime,
   xp_earnings,
   xp_gamedate,
-  xp_racedate,
   xp_tba_time,
   xp_time,
+  xp_time_dots,
   xp_time_stamp )
 where
 
 -- System imports.
+import Data.List ( intercalate )
+import Data.List.Split ( chunksOf )
 import Data.String.Utils ( replace )
 import Data.Time.Clock ( NominalDiffTime, UTCTime, addUTCTime )
 import Data.Time.Format ( formatTime, parseTime )
@@ -33,8 +36,9 @@ import TSN.Parse (
 -- | The format string for a base date in m/d/yyyy format. The
 --   day/month are not padded at all. This will match for example,
 --
---   * 2/15/1983
---   * 1/1/0000
+--   * 2\/15\/1983
+--
+--   * 1\/1\/0000
 --
 date_format :: String
 date_format = "%-m/%-d/%Y"
@@ -44,8 +48,9 @@ date_format = "%-m/%-d/%Y"
 --   day/month are padded to two characters with zeros. This will
 --   match for example,
 --
---   * 02/15/1983
---   * 01/01/0000
+--   * 02\/15\/1983
+--
+--   * 01\/01\/0000
 --
 date_format_padded :: String
 date_format_padded = "%0m/%0d/%Y"
@@ -78,12 +83,39 @@ xp_date_padded =
     from_date = formatTime defaultTimeLocale date_format_padded
 
 
+
+-- | Format a number as a string using a comma as the thousands
+--   separator.
+--
+--   Examples:
+--
+--   >>> format_commas 0
+--   "0"
+--   >>> format_commas 10
+--   "10"
+--   >>> format_commas 100
+--   "100"
+--   >>> format_commas 1000
+--   "1,000"
+--   >>> format_commas 10000
+--   "10,000"
+--   >>> format_commas 100000
+--   "100,000"
+--   >>> format_commas 1000000
+--   "1,000,000"
+--
+format_commas :: Int -> String
+format_commas x =
+  reverse (intercalate "," $ chunksOf 3 $ reverse $ show x)
+
 -- | Parse \<Earnings\> from an 'AutoRaceResultsListing'. These are
 --   essentially 'Int's, but they look like,
 --
---   * <Earnings>336,826</Earnings>
---   * <Earnings>1,000,191</Earnings>
---   * <Earnings>TBA</Earnings>
+--   * \<Earnings\>336,826\</Earnings\>
+--
+--   * \<Earnings\>1,000,191\</Earnings\>
+--
+--   * \<Earnings\>TBA\</Earnings\>
 --
 xp_earnings :: PU (Maybe Int)
 xp_earnings =
@@ -95,32 +127,33 @@ xp_earnings =
     to_earnings :: String -> Maybe Int
     to_earnings s
       | s == "TBA" = Nothing
-      | otherwise = (read . strip_commas . show) s
+      | otherwise = Just  $ (read . strip_commas) s
 
     from_earnings :: Maybe Int -> String
-    from_earnings Nothing = ""
-    from_earnings (Just i) = show i
+    from_earnings Nothing = "TBA"
+    from_earnings (Just i) = format_commas i
 
 
--- | (Un)pickle a 'UTCTime' from a \<RaceDate\> element in an
---   'AutoRaceResults' message.
+-- | (Un)pickle an unpadded 'UTCTime'. Used for example on the
+--   \<RaceDate\> elements in an 'AutoRaceResults' message.
 --
---   Example:
+--   Examples:
 --
---   <RaceDate>6/1/2014 1:00:00 PM</RaceDate>
---   <RaceDate>5/24/2014 2:45:00 PM</RaceDate>
+--   * \<RaceDate\>6/1/2014 1:00:00 PM\</RaceDate\>
 --
-xp_racedate :: PU UTCTime
-xp_racedate =
-  (to_racedate, from_racedate) `xpWrapMaybe` xpText
+--   * \<RaceDate\>5/24/2014 2:45:00 PM\</RaceDate\>
+--
+xp_datetime :: PU UTCTime
+xp_datetime =
+  (to_datetime, from_datetime) `xpWrapMaybe` xpText
   where
     format = date_format ++ " " ++ "%-I:%M:%S %p"
 
-    to_racedate :: String -> Maybe UTCTime
-    to_racedate = parseTime defaultTimeLocale format
+    to_datetime :: String -> Maybe UTCTime
+    to_datetime = parseTime defaultTimeLocale format
 
-    from_racedate :: UTCTime -> String
-    from_racedate = formatTime defaultTimeLocale format
+    from_datetime :: UTCTime -> String
+    from_datetime = formatTime defaultTimeLocale format
 
 
 -- | (Un)pickle a UTCTime from a weather forecast's gamedate. Example
@@ -187,6 +220,32 @@ xp_time =
     from_time = formatTime defaultTimeLocale time_format
 
 
+-- | (Un)pickle a UTCTime without the date portion. This differs from
+--   'xp_time' in that it uses periods in the AM/PM part, i.e. \"A.M.\"
+--   and \"P.M.\" It also doesn't use padding for the \"hours\" part.
+--
+--   Examples:
+--
+--   * \<CurrentTimeStamp\>11:30 A.M.\</CurrentTimeStamp\>
+--
+xp_time_dots :: PU UTCTime
+xp_time_dots =
+  (to_time, from_time) `xpWrapMaybe` xpText
+  where
+    -- | The hours arent padded with zeros.
+    nopad_time_format :: String
+    nopad_time_format = "%-I:%M %p"
+
+    to_time :: String -> Maybe UTCTime
+    to_time = (parseTime defaultTimeLocale nopad_time_format) . (replace "." "")
+
+    from_time :: UTCTime -> String
+    from_time t =
+        replace "AM" "A.M." (replace "PM" "P.M." s)
+      where
+        s = formatTime defaultTimeLocale nopad_time_format t
+
+
 -- | (Un)pickle a UTCTime without the date portion, allowing for a
 --   value of \"TBA\" (which gets translated to 'Nothing').
 --
@@ -200,7 +259,7 @@ xp_tba_time =
       | otherwise = parseTime defaultTimeLocale time_format s
 
     from_time :: Maybe UTCTime -> String
-    from_time Nothing = ""
+    from_time Nothing = "TBA"
     from_time (Just t) = formatTime defaultTimeLocale time_format t