X-Git-Url: http://gitweb.michael.orlitzky.com/?a=blobdiff_plain;f=src%2FTSN%2FPicklers.hs;h=d87139b793bbb6dddc2e429a0c14b56fb96f3ccc;hb=df558b9603fa5156cf64de856f0be89f396c6deb;hp=8076b29fc08566e3467c1976cad9fbbf626f52b1;hpb=2f0d419104ac1ad108ae1b29d6722ed032286665;p=dead%2Fhtsn-import.git

diff --git a/src/TSN/Picklers.hs b/src/TSN/Picklers.hs
index 8076b29..d87139b 100644
--- a/src/TSN/Picklers.hs
+++ b/src/TSN/Picklers.hs
@@ -3,15 +3,14 @@
 --
 module TSN.Picklers (
   xp_date,
-  xp_team_id )
+  xp_team_id,
+  xp_time )
 where
 
 -- System imports.
 import Data.Time.Clock ( UTCTime )
 import Data.Time.Format ( formatTime, parseTime )
 import System.Locale ( defaultTimeLocale )
-import Text.Printf ( printf )
-import Text.Read ( readMaybe )
 import Text.XML.HXT.Arrow.Pickle (
   xpText,
   xpWrapMaybe )
@@ -33,6 +32,22 @@ xp_date =
     from_date = formatTime defaultTimeLocale format
 
 
+-- | (Un)pickle a UTCTime without the date portion.
+--
+xp_time :: PU UTCTime
+xp_time =
+  (to_time, from_time) `xpWrapMaybe` xpText
+  where
+    format = "%I:%M %p"
+
+    to_time :: String -> Maybe UTCTime
+    to_time = parseTime defaultTimeLocale format
+
+    from_time :: UTCTime -> String
+    from_time = formatTime defaultTimeLocale format
+
+
+
 -- | Parse a team_id. These are (so far!) three characters long, and
 --   not necessarily numeric. For simplicity, we return a 'String'
 --   rather than e.g. a @(Char, Char, Char)@. But unpickling will fail