From: Michael Orlitzky Date: Mon, 29 Dec 2014 21:33:32 +0000 (-0500) Subject: Use Generics.to_tuple in TSN.XML.AutoRacingResults. X-Git-Tag: 0.2.1~57 X-Git-Url: https://gitweb.michael.orlitzky.com/?a=commitdiff_plain;h=ee4b98e5b4e9494364604a2e1a999c3d6d5acafb;p=dead%2Fhtsn-import.git Use Generics.to_tuple in TSN.XML.AutoRacingResults. --- diff --git a/src/TSN/XML/AutoRacingResults.hs b/src/TSN/XML/AutoRacingResults.hs index 8a05e73..40e199f 100644 --- a/src/TSN/XML/AutoRacingResults.hs +++ b/src/TSN/XML/AutoRacingResults.hs @@ -1,4 +1,5 @@ {-# LANGUAGE DeriveDataTypeable #-} +{-# LANGUAGE DeriveGeneric #-} {-# LANGUAGE FlexibleInstances #-} {-# LANGUAGE GADTs #-} {-# LANGUAGE QuasiQuotes #-} @@ -40,6 +41,7 @@ import Database.Groundhog.Sqlite ( withSqliteConn ) import Database.Groundhog.TH ( groundhog, mkPersist ) +import qualified GHC.Generics as GHC ( Generic ) import Test.Tasty ( TestTree, testGroup ) import Test.Tasty.HUnit ( (@?=), testCase ) import Text.XML.HXT.Core ( @@ -59,6 +61,7 @@ import Text.XML.HXT.Core ( xpWrap ) -- Local imports. +import Generics ( Generic(..), to_tuple ) import TSN.Codegen ( tsn_codegen_config ) import TSN.DbImport ( DbImport(..), ImportResult(..), run_dbmigrate ) import TSN.Picklers ( @@ -128,7 +131,11 @@ data Message = xml_listings :: [AutoRacingResultsListingXml], xml_race_information :: AutoRacingResultsRaceInformationXml, xml_time_stamp :: UTCTime } - deriving (Eq, Show) + deriving (Eq, GHC.Generic, Show) + +-- | For 'Generics.to_tuple'. +-- +instance Generic Message instance ToDb Message where @@ -206,8 +213,11 @@ data AutoRacingResultsListingXml = xml_dnf :: Maybe Bool, xml_nc :: Maybe Bool, xml_earnings :: Maybe Int } - deriving (Eq, Show) + deriving (Eq, GHC.Generic, Show) +-- | For 'Generics.to_tuple'. +-- +instance Generic AutoRacingResultsListingXml instance ToDb AutoRacingResultsListingXml where -- | The database analogue of an 'AutoRacingResultsListingXml' is @@ -319,7 +329,7 @@ data AutoRacingResultsRaceInformationXml = xml_lead_changes :: Maybe String, xml_lap_leaders :: Maybe String, xml_most_laps_leading :: Maybe MostLapsLeading } - deriving (Eq,Show) + deriving (Eq, Show) instance ToDb AutoRacingResultsRaceInformationXml where @@ -474,19 +484,6 @@ pickle_listing = (xpElem "Earnings" xp_earnings) where from_tuple = uncurryN AutoRacingResultsListingXml - to_tuple m = (xml_finish_position m, - xml_starting_position m, - xml_car_number m, - xml_driver_id m, - xml_driver m, - xml_car_make m, - xml_points m, - xml_laps_completed m, - xml_laps_leading m, - xml_status m, - xml_dnf m, - xml_nc m, - xml_earnings m) -- | Pickler for the top-level 'Message'. @@ -510,19 +507,6 @@ pickle_message = (xpElem "time_stamp" xp_time_stamp) where from_tuple = uncurryN Message - to_tuple m = (xml_xml_file_id m, - xml_heading m, - xml_category m, - xml_sport m, - xml_race_id m, - xml_race_date m, - xml_title m, - xml_track_location m, - xml_laps_remaining m, - xml_checkered_flag m, - xml_listings m, - xml_race_information m, - xml_time_stamp m) -- | Pickler for the \ child of a @@ -536,7 +520,7 @@ pickle_message = pickle_most_laps_leading :: PU (Maybe MostLapsLeading) pickle_most_laps_leading = xpElem "Most_Laps_Leading" $ - xpWrap (from_tuple, to_tuple) $ + xpWrap (from_tuple, to_tuple') $ xpTriple (xpOption $ xpElem "DriverID" xpInt) (xpOption $ xpElem "Driver" xpText) (xpOption $ xpElem "NumberOfLaps" xpInt) @@ -548,14 +532,14 @@ pickle_most_laps_leading = -- Sure had to go out of my way to avoid the warnings about unused -- db_most_laps_foo fields here. - to_tuple :: Maybe MostLapsLeading -> (Maybe Int, Maybe String, Maybe Int) - to_tuple Nothing = (Nothing, Nothing, Nothing) - to_tuple (Just (MostLapsLeading Nothing _ _)) = (Nothing, Nothing, Nothing) - to_tuple (Just (MostLapsLeading _ Nothing _)) = (Nothing, Nothing, Nothing) - to_tuple (Just (MostLapsLeading _ _ Nothing)) = (Nothing, Nothing, Nothing) - to_tuple (Just m) = (db_most_laps_leading_driver_id m, - db_most_laps_leading_driver m, - db_most_laps_leading_number_of_laps m) + to_tuple' :: Maybe MostLapsLeading -> (Maybe Int, Maybe String, Maybe Int) + to_tuple' Nothing = (Nothing, Nothing, Nothing) + to_tuple' (Just (MostLapsLeading Nothing _ _)) = (Nothing, Nothing, Nothing) + to_tuple' (Just (MostLapsLeading _ Nothing _)) = (Nothing, Nothing, Nothing) + to_tuple' (Just (MostLapsLeading _ _ Nothing)) = (Nothing, Nothing, Nothing) + to_tuple' (Just m) = (db_most_laps_leading_driver_id m, + db_most_laps_leading_driver m, + db_most_laps_leading_number_of_laps m) -- | Pickler for the \ child of \. @@ -575,7 +559,7 @@ pickle_most_laps_leading = pickle_race_information :: PU AutoRacingResultsRaceInformationXml pickle_race_information = xpElem "Race_Information" $ - xpWrap (from_tuple, to_tuple) $ + xpWrap (from_tuple, to_tuple') $ xp11Tuple (-- I can't think of another way to get both the -- TrackLength and its KPH attribute. So we shove them -- both in a 2-tuple. This should probably be an embedded type! @@ -600,17 +584,17 @@ pickle_race_information = x1 x2 x3 x4 x5 x6 x7 x8 x9 x10 x11 x12 -- And here we have to re-pair the first two. - to_tuple m = ((xml_track_length m, xml_track_length_kph m), - xml_laps m, - xml_average_speed_mph m, - xml_average_speed_kph m, - xml_average_speed m, - xml_time_of_race m, - xml_margin_of_victory m, - xml_cautions m, - xml_lead_changes m, - xml_lap_leaders m, - xml_most_laps_leading m) + to_tuple' m = ((xml_track_length m, xml_track_length_kph m), + xml_laps m, + xml_average_speed_mph m, + xml_average_speed_kph m, + xml_average_speed m, + xml_time_of_race m, + xml_margin_of_victory m, + xml_cautions m, + xml_lead_changes m, + xml_lap_leaders m, + xml_most_laps_leading m) -- -- * Tasty Tests