--
module TSN.Picklers (
xp_date,
- 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 )
from_date = 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
--- if the team_id is longer than three characters.
+-- | (Un)pickle a UTCTime without the date portion.
--
-xp_team_id :: PU String
-xp_team_id =
- (to_team_id, from_team_id) `xpWrapMaybe` xpText
+xp_time :: PU UTCTime
+xp_time =
+ (to_time, from_time) `xpWrapMaybe` xpText
where
- to_team_id :: String -> Maybe String
- to_team_id s
- | length s <= 3 = Just s
- | otherwise = Nothing
+ format = "%I:%M %p"
+
+ to_time :: String -> Maybe UTCTime
+ to_time = parseTime defaultTimeLocale format
+
+ from_time :: UTCTime -> String
+ from_time = formatTime defaultTimeLocale format
- from_team_id :: String -> String
- from_team_id = id