From ddb77c32ec8d5d76b10a5ea642810595a408b82f Mon Sep 17 00:00:00 2001
From: Michael Orlitzky <michael@orlitzky.com>
Date: Fri, 2 Jan 2015 17:23:43 -0500
Subject: [PATCH] Migrate TSN.XML.Scores to fixed-vector-hetero.

---
 src/TSN/XML/Scores.hs | 18 +++++++++++-------
 1 file changed, 11 insertions(+), 7 deletions(-)

diff --git a/src/TSN/XML/Scores.hs b/src/TSN/XML/Scores.hs
index e4680a5..f0ce6de 100644
--- a/src/TSN/XML/Scores.hs
+++ b/src/TSN/XML/Scores.hs
@@ -27,6 +27,7 @@ import Data.Data ( Data )
 import Data.Time ( UTCTime )
 import Data.Tuple.Curry ( uncurryN )
 import Data.Typeable ( Typeable )
+import qualified Data.Vector.HFixed as H ( HVector, convert )
 import Database.Groundhog (
   countAll,
   deleteAll,
@@ -58,7 +59,6 @@ import Text.XML.HXT.Core (
   xpWrap )
 
 -- Local imports.
-import Generics ( Generic(..), to_tuple )
 import TSN.Codegen ( tsn_codegen_config )
 import TSN.Database ( insert_or_select )
 import TSN.DbImport ( DbImport(..), ImportResult(..), run_dbmigrate )
@@ -128,9 +128,9 @@ data Message =
   deriving (Eq, GHC.Generic, Show)
 
 
--- | For 'Generics.to_tuple'.
+-- | For 'H.convert'.
 --
-instance Generic Message
+instance H.HVector Message
 
 
 instance ToDb Message where
@@ -206,9 +206,9 @@ data ScoreGameXml =
   deriving (Eq, GHC.Generic, Show)
 
 
--- | For 'Generics.to_tuple'.
+-- | For 'H.convert'.
 --
-instance Generic ScoreGameXml
+instance H.HVector ScoreGameXml
 
 
 instance ToDb ScoreGameXml where
@@ -229,6 +229,10 @@ instance FromXmlFkTeams ScoreGameXml where
   -- | To create a 'ScoreGame' from a 'ScoreGameXml', we need three
   --   foreign keys: the parent message, and the away/home teams.
   --
+  --   During conversion, we also get the pitchers out of the teams;
+  --   unfortunately this prevents us from making the conversion
+  --   generically.
+  --
   from_xml_fk_teams fk fk_away fk_home ScoreGameXml{..} =
     ScoreGame {
       db_scores_id = fk,
@@ -416,7 +420,7 @@ mkPersist tsn_codegen_config [groundhog|
 pickle_message :: PU Message
 pickle_message =
   xpElem "message" $
-    xpWrap (from_tuple, to_tuple) $
+    xpWrap (from_tuple, H.convert) $
     xp11Tuple (xpElem "XML_File_ID" xpInt)
               (xpElem "heading" xpText)
               (xpElem "game_id" (xpOption xpInt))
@@ -460,7 +464,7 @@ pickle_status =
 pickle_game :: PU ScoreGameXml
 pickle_game =
   xpElem "game" $
-    xpWrap (from_tuple, to_tuple) $
+    xpWrap (from_tuple, H.convert) $
       xp7Tuple pickle_vteam
                pickle_hteam
                (xpElem "vscore" xpInt)
-- 
2.43.2