report_info,
report_error )
import TSN.DbImport ( DbImport(..), ImportResult(..) )
+import qualified TSN.XML.AutoRacingResults as AutoRacingResults (
+ dtd,
+ pickle_message )
import qualified TSN.XML.AutoRacingSchedule as AutoRacingSchedule (
dtd,
pickle_message )
import qualified TSN.XML.InjuriesDetail as InjuriesDetail (
dtd,
pickle_message )
+import qualified TSN.XML.JFile as JFile ( dtd, pickle_message )
import qualified TSN.XML.News as News ( dtd, pickle_message )
import qualified TSN.XML.Odds as Odds ( dtd, pickle_message )
+import qualified TSN.XML.ScheduleChanges as ScheduleChanges (
+ dtd,
+ pickle_message )
import qualified TSN.XML.Scores as Scores ( dtd, pickle_message )
import qualified TSN.XML.SportInfo as SportInfo ( dtds, parse_xml )
import qualified TSN.XML.Weather as Weather ( dtd, pickle_message )
--
migrate_and_import m = dbmigrate m >> dbimport m
+ -- | The error message we return if unpickling fails.
+ --
+ errmsg = "Could not unpickle " ++ dtd ++ "."
+
+ -- | Try to migrate and import using the given pickler @f@;
+ -- if it works, return the result. Otherwise, return an
+ -- 'ImportFailed' along with our error message.
+ --
+ go f = maybe
+ (return $ ImportFailed errmsg)
+ migrate_and_import
+ (unpickleDoc f xml)
+
importer
- | dtd == AutoRacingSchedule.dtd = do
- let m = unpickleDoc AutoRacingSchedule.pickle_message xml
- maybe (return $ ImportFailed errmsg) migrate_and_import m
+ | dtd == AutoRacingResults.dtd =
+ go AutoRacingResults.pickle_message
+
+ | dtd == AutoRacingSchedule.dtd =
+ go AutoRacingSchedule.pickle_message
+
+ -- GameInfo and SportInfo appear last in the guards
+ | dtd == Injuries.dtd = go Injuries.pickle_message
- -- GameInfo and SportInfo appear least in the guards
- | dtd == Injuries.dtd = do
- let m = unpickleDoc Injuries.pickle_message xml
- maybe (return $ ImportFailed errmsg) migrate_and_import m
+ | dtd == InjuriesDetail.dtd = go InjuriesDetail.pickle_message
- | dtd == InjuriesDetail.dtd = do
- let m = unpickleDoc InjuriesDetail.pickle_message xml
- maybe (return $ ImportFailed errmsg) migrate_and_import m
+ | dtd == JFile.dtd = go JFile.pickle_message
+ | dtd == News.dtd = go News.pickle_message
- | dtd == News.dtd = do
- let m = unpickleDoc News.pickle_message xml
- maybe (return $ ImportFailed errmsg) migrate_and_import m
+ | dtd == Odds.dtd = go Odds.pickle_message
- | dtd == Odds.dtd = do
- let m = unpickleDoc Odds.pickle_message xml
- maybe (return $ ImportFailed errmsg) migrate_and_import m
+ | dtd == ScheduleChanges.dtd = go ScheduleChanges.pickle_message
- | dtd == Scores.dtd = do
- let m = unpickleDoc Scores.pickle_message xml
- maybe (return $ ImportFailed errmsg) migrate_and_import m
+ | dtd == Scores.dtd = go Scores.pickle_message
- -- SportInfo and GameInfo appear least in the guards
- | dtd == Weather.dtd = do
- let m = unpickleDoc Weather.pickle_message xml
- maybe (return $ ImportFailed errmsg) migrate_and_import m
+ -- SportInfo and GameInfo appear last in the guards
+ | dtd == Weather.dtd = go Weather.pickle_message
| dtd `elem` GameInfo.dtds = do
let either_m = GameInfo.parse_xml dtd xml
"Unrecognized DTD in " ++ path ++ ": " ++ dtd ++ "."
return $ ImportUnsupported infomsg
- where
- errmsg = "Could not unpickle " ++ dtd ++ "."
-- | Entry point of the program. It twiddles some knobs for