+{-# LANGUAGE DeriveGeneric #-}
{-# LANGUAGE FlexibleInstances #-}
{-# LANGUAGE GADTs #-}
{-# LANGUAGE QuasiQuotes #-}
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 (
xpWrap )
-- Local imports.
+import Generics ( Generic(..), prepend, to_tuple )
import TSN.Codegen ( tsn_codegen_config )
import TSN.DbImport ( DbImport(..), ImportResult(..), run_dbmigrate )
import TSN.Picklers ( xp_date, xp_time_stamp )
xml_title :: String,
xml_listings :: [AutoRacingDriverListListingXml],
xml_time_stamp :: UTCTime }
- deriving (Eq, Show)
+ deriving (Eq, GHC.Generic, Show)
+
+-- | For 'Generics.to_tuple'.
+--
+instance Generic Message
instance ToDb Message where
-- AutoRacingDriverListListing / AutoRacingDriverListListingXml
-- | Database representation of a \<Listing\> contained within a
--- \<message\>.
+-- \<message\>. The leading underscores prevent unused field
+-- warnings.
--
data AutoRacingDriverListListing =
AutoRacingDriverListListing {
- db_auto_racing_driver_lists_id :: DefaultKey AutoRacingDriverList,
- db_driver_id :: Int,
- db_driver :: String,
- db_height :: Maybe String,
- db_weight :: Int,
- db_date_of_birth :: UTCTime,
- db_hometown :: String,
- db_nationality :: Maybe String,
- db_car_number :: Int,
- db_car :: String }
+ _db_auto_racing_driver_lists_id :: DefaultKey AutoRacingDriverList,
+ _db_driver_id :: Int,
+ _db_driver :: String,
+ _db_height :: Maybe String,
+ _db_weight :: Int,
+ _db_date_of_birth :: UTCTime,
+ _db_hometown :: String,
+ _db_nationality :: Maybe String,
+ _db_car_number :: Int,
+ _db_car :: String }
+ deriving ( GHC.Generic )
+
+-- | For 'Generics.prepend'.
+--
+instance Generic AutoRacingDriverListListing
+
-- | XML representation of a \<Listing\> contained within a
--- \<message\>.
+-- \<message\>. The underscores prevent unused field warnings.
--
data AutoRacingDriverListListingXml =
AutoRacingDriverListListingXml {
- xml_driver_id :: Int,
- xml_driver :: String,
- xml_height :: Maybe String,
- xml_weight :: Int,
- xml_date_of_birth :: UTCTime,
- xml_hometown :: String,
- xml_nationality :: Maybe String,
- xml_car_number :: Int,
- xml_car :: String }
- deriving (Eq, Show)
-
+ _xml_driver_id :: Int,
+ _xml_driver :: String,
+ _xml_height :: Maybe String,
+ _xml_weight :: Int,
+ _xml_date_of_birth :: UTCTime,
+ _xml_hometown :: String,
+ _xml_nationality :: Maybe String,
+ _xml_car_number :: Int,
+ _xml_car :: String }
+ deriving (Eq, GHC.Generic, Show)
+
+-- | For 'Generics.to_tuple'.
+--
+instance Generic AutoRacingDriverListListingXml
instance ToDb AutoRacingDriverListListingXml where
-- | The database analogue of an 'AutoRacingDriverListListingXml' is
-- 'AutoRacingDriverListListing', we add the foreign key and copy
-- everything else verbatim.
--
- from_xml_fk fk AutoRacingDriverListListingXml{..} =
- AutoRacingDriverListListing {
- db_auto_racing_driver_lists_id = fk,
- db_driver_id = xml_driver_id,
- db_driver = xml_driver,
- db_height = xml_height,
- db_weight = xml_weight,
- db_date_of_birth = xml_date_of_birth,
- db_hometown = xml_hometown,
- db_nationality = xml_nationality,
- db_car_number = xml_car_number,
- db_car = xml_car }
+ from_xml_fk = prepend
+
-- | This allows us to insert the XML representation
constructors:
- name: AutoRacingDriverListListing
fields:
- - name: db_auto_racing_driver_lists_id
+ - name: _db_auto_racing_driver_lists_id
reference:
onDelete: cascade
(xpElem "Car" xpText)
where
from_tuple = uncurryN AutoRacingDriverListListingXml
- to_tuple m = (xml_driver_id m,
- xml_driver m,
- xml_height m,
- xml_weight m,
- xml_date_of_birth m,
- xml_hometown m,
- xml_nationality m,
- xml_car_number m,
- xml_car m)
-- | Pickler for the top-level '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_title m,
- xml_listings m,
- xml_time_stamp m)