{-# LANGUAGE TypeFamilies #-}
module TSN.XML.Odds (
+ Odds,
Message,
odds_tests )
where
unpickleDoc,
xp5Tuple,
xp6Tuple,
- xp11Tuple,
+ xp8Tuple,
xpAttr,
xpElem,
xpInt,
-data OddsCasino =
- OddsCasino {
+data OddsCasinoXml =
+ OddsCasinoXml {
xml_casino_client_id :: Int,
xml_casino_name :: String,
xml_casino_line :: Maybe Float }
deriving (Eq, Show)
+-- | The casinos should have their own table, but the lines don't
+-- belong in that table. (There should be another table joining the
+-- casinos and the thing the lines are for together.)
+data OddsCasino =
+ OddsCasino {
+ db_casino_client_id :: Int,
+ db_casino_name :: String }
+ deriving (Eq, Show)
+
+instance ToFromXml OddsCasino where
+ type Xml OddsCasino = OddsCasinoXml
+ type Container OddsCasino = () -- It has one, but we don't use it.
+
+ -- Use a record wildcard here so GHC doesn't complain that we never
+ -- used our named fields.
+ to_xml (OddsCasino {..}) =
+ OddsCasinoXml
+ db_casino_client_id
+ db_casino_name
+ def
+
+ -- We don't need the key argument (from_xml_fk) since the XML type
+ -- contains more information in this case.
+ from_xml OddsCasinoXml{..} =
+ OddsCasino
+ xml_casino_client_id
+ xml_casino_name
+
data OddsHomeTeam =
OddsHomeTeam {
- xml_home_team_id :: Int,
- xml_home_rotation_number :: Int,
- xml_home_abbr :: String,
- xml_home_team_name :: String,
- xml_home_casinos :: [OddsCasino] }
+ home_team_id :: Int,
+ home_rotation_number :: Int,
+ home_abbr :: String,
+ home_team_name :: String,
+ home_casinos :: [OddsCasinoXml] }
deriving (Eq, Show)
data OddsAwayTeam =
OddsAwayTeam {
- xml_away_team_id :: Int,
- xml_away_rotation_number :: Int,
- xml_away_abbr :: String,
- xml_away_team_name :: String,
- xml_away_casinos :: [OddsCasino] }
+ away_team_id :: Int,
+ away_rotation_number :: Int,
+ away_abbr :: String,
+ away_team_name :: String,
+ away_casinos :: [OddsCasinoXml] }
deriving (Eq, Show)
-- | Can't use a newtype with Groundhog.
data OddsOverUnder =
- OddsOverUnder [OddsCasino]
+ OddsOverUnder [OddsCasinoXml]
deriving (Eq, Show)
data OddsGame =
OddsGame {
- xml_game_id :: Int,
- xml_game_date :: String, -- TODO
- xml_game_time :: String, -- TODO
- xml_game_away_team :: OddsAwayTeam,
- xml_game_home_team :: OddsHomeTeam,
- xml_game_over_under :: OddsOverUnder }
+ game_id :: Int,
+ game_date :: String, -- TODO
+ game_time :: String, -- TODO
+ game_away_team :: OddsAwayTeam,
+ game_home_team :: OddsHomeTeam,
+ game_over_under :: OddsOverUnder }
deriving (Eq, Show)
-data Message =
- Message {
+data Odds =
+ Odds {
db_sport :: String,
db_title :: String,
- db_line_time :: String,
- db_notes1 :: String,
- db_notes2 :: String }
+ db_line_time :: String }
+
+-- | This is our best guess at what occurs in the Odds_XML
+-- documents. It looks like each consecutive set of games can
+-- optionally have some notes appear before it. Each "note" comes as
+-- its own <Notes>...</Notes> element.
+--
+-- The notes are ignored completely in the database; we only bother
+-- with them to ensure that we're (un)pickling correctly.
+--
+-- We can't group the notes with a "set" of 'OddsGame's, because that
+-- leads to ambiguity in parsing. Since we're going to ignore the
+-- notes anyway, we just stick them with an arbitrary game. C'est la
+-- vie.
+--
+data OddsGameWithNotes =
+ OddsGameWithNotes {
+ notes :: [String],
+ game :: OddsGame }
+ deriving (Eq, Show)
-data MessageXml =
- MessageXml {
+-- | The XML representation of Odds.
+data Message =
+ Message {
xml_xml_file_id :: Int,
xml_heading :: String,
xml_category :: String,
xml_sport :: String,
xml_title :: String,
- xml_line_time :: String, -- The DTD goes crazy here.
- xml_notes1 :: String,
- xml_games1 :: [OddsGame],
- xml_notes2 :: String,
- xml_games2 :: [OddsGame],
+ xml_line_time :: String,
+ xml_games_with_notes :: [OddsGameWithNotes],
xml_time_stamp :: String }
deriving (Eq, Show)
+-- | Pseudo-field that lets us get the 'OddsGame's out of
+-- 'xml_games_with_notes'.
+xml_games :: Message -> [OddsGame]
+xml_games m = map game (xml_games_with_notes m)
-instance ToFromXml Message where
- type Xml Message = MessageXml
- type Container Message = ()
+instance ToFromXml Odds where
+ type Xml Odds = Message
+ type Container Odds = ()
- -- Use a record wildcard here so GHC doesn't complain that we never
- -- used our named fields.
- to_xml (Message {..}) =
- MessageXml
+ -- Use record wildcards to avoid unused field warnings.
+ to_xml (Odds {..}) =
+ Message
def
def
def
db_sport
db_title
db_line_time
- db_notes1
- def
- db_notes2
def
def
-- We don't need the key argument (from_xml_fk) since the XML type
-- contains more information in this case.
- from_xml (MessageXml _ _ _ d e f g _ i _ _) =
- Message d e f g i
+ from_xml (Message _ _ _ d e f _ _) =
+ Odds d e f
+
+
+pickle_game_with_notes :: PU OddsGameWithNotes
+pickle_game_with_notes =
+ xpWrap (from_pair, to_pair) $
+ xpPair
+ (xpList $ xpElem "Notes" xpText)
+ pickle_game
+ where
+ from_pair = uncurry OddsGameWithNotes
+ to_pair OddsGameWithNotes{..} = (notes, game)
+
-pickle_casino :: PU OddsCasino
+pickle_casino :: PU OddsCasinoXml
pickle_casino =
xpElem "Casino" $
xpWrap (from_tuple, to_tuple) $
xpTriple
(xpAttr "ClientID" xpInt)
(xpAttr "Name" xpText)
- (xpOption xpPrim)
+ (xpOption xpPrim) -- Float
where
- from_tuple = uncurryN OddsCasino
- to_tuple (OddsCasino x y z) = (x, y, z)
+ from_tuple = uncurryN OddsCasinoXml
+ -- Use record wildcards to avoid unused field warnings.
+ to_tuple OddsCasinoXml{..} = (xml_casino_client_id,
+ xml_casino_name,
+ xml_casino_line)
-instance XmlPickler OddsCasino where
+instance XmlPickler OddsCasinoXml where
xpickle = pickle_casino
pickle_home_team :: PU OddsHomeTeam
pickle_home_team =
xpElem "HomeTeam" $
- xpWrap (from_tuple, to_tuple) $
- xp5Tuple
- (xpElem "HomeTeamID" xpPrim)
- (xpElem "HomeRotationNumber" xpPrim)
- (xpElem "HomeAbbr" xpText)
- (xpElem "HomeTeamName" xpText)
- (xpList pickle_casino)
+ xpWrap (from_tuple, to_tuple) $
+ xp5Tuple
+ (xpElem "HomeTeamID" xpInt)
+ (xpElem "HomeRotationNumber" xpInt)
+ (xpElem "HomeAbbr" xpText)
+ (xpElem "HomeTeamName" xpText)
+ (xpList pickle_casino)
where
from_tuple = uncurryN OddsHomeTeam
- to_tuple (OddsHomeTeam v w x y z) = (v, w, x, y, z)
-
+ -- Use record wildcards to avoid unused field warnings.
+ to_tuple OddsHomeTeam{..} = (home_team_id,
+ home_rotation_number,
+ home_abbr,
+ home_team_name,
+ home_casinos)
instance XmlPickler OddsHomeTeam where
xpickle = pickle_home_team
pickle_away_team :: PU OddsAwayTeam
pickle_away_team =
xpElem "AwayTeam" $
- xpWrap (from_tuple, to_tuple) $
- xp5Tuple
- (xpElem "AwayTeamID" xpPrim)
- (xpElem "AwayRotationNumber" xpPrim)
- (xpElem "AwayAbbr" xpText)
- (xpElem "AwayTeamName" xpText)
- (xpList pickle_casino)
+ xpWrap (from_tuple, to_tuple) $
+ xp5Tuple
+ (xpElem "AwayTeamID" xpInt)
+ (xpElem "AwayRotationNumber" xpInt)
+ (xpElem "AwayAbbr" xpText)
+ (xpElem "AwayTeamName" xpText)
+ (xpList pickle_casino)
where
from_tuple = uncurryN OddsAwayTeam
- to_tuple (OddsAwayTeam v w x y z) = (v, w, x, y, z)
+ -- Use record wildcards to avoid unused field warnings.
+ to_tuple OddsAwayTeam{..} = (away_team_id,
+ away_rotation_number,
+ away_abbr,
+ away_team_name,
+ away_casinos)
instance XmlPickler OddsAwayTeam where
xpElem "Game" $
xpWrap (from_tuple, to_tuple) $
xp6Tuple
- (xpElem "GameID" xpPrim)
+ (xpElem "GameID" xpInt)
(xpElem "Game_Date" xpText)
(xpElem "Game_Time" xpText)
pickle_away_team
pickle_over_under
where
from_tuple = uncurryN OddsGame
- to_tuple (OddsGame u v w x y z) = (u,v,w,x,y,z)
+ -- Use record wildcards to avoid unused field warnings.
+ to_tuple OddsGame{..} = (game_id,
+ game_date,
+ game_time,
+ game_away_team,
+ game_home_team,
+ game_over_under)
instance XmlPickler OddsGame where
xpickle = pickle_game
-pickle_message :: PU MessageXml
+pickle_message :: PU Message
pickle_message =
xpElem "message" $
xpWrap (from_tuple, to_tuple) $
- xp11Tuple (xpElem "XML_File_ID" xpPrim)
- (xpElem "heading" xpText)
- (xpElem "category" xpText)
- (xpElem "sport" xpText)
- (xpElem "Title" xpText)
- (xpElem "Line_Time" xpText)
- pickle_notes
- (xpList pickle_game)
- pickle_notes
- (xpList pickle_game)
- (xpElem "time_stamp" xpText)
+ xp8Tuple (xpElem "XML_File_ID" xpInt)
+ (xpElem "heading" xpText)
+ (xpElem "category" xpText)
+ (xpElem "sport" xpText)
+ (xpElem "Title" xpText)
+ (xpElem "Line_Time" xpText)
+ (xpList $ pickle_game_with_notes)
+ (xpElem "time_stamp" xpText)
where
- from_tuple = uncurryN MessageXml
+ 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_line_time m,
- xml_notes1 m,
- xml_games1 m,
- xml_notes2 m,
- xml_games2 m,
+ xml_games_with_notes m,
xml_time_stamp m)
- pickle_notes :: PU String
- pickle_notes =
- xpWrap (to_string, from_string) $
- xpList (xpElem "Notes" xpText)
- where
- from_string :: String -> [String]
- from_string = split "\n"
-
- to_string :: [String] -> String
- to_string = join "\n"
-instance XmlPickler MessageXml where
+instance XmlPickler Message where
xpickle = pickle_message
test_pickle_of_unpickle_is_identity =
testCase "pickle composed with unpickle is the identity" $ do
let path = "test/xml/Odds_XML.xml"
- (expected :: [MessageXml], actual) <- pickle_unpickle "message" path
+ (expected :: [Message], actual) <- pickle_unpickle "message" path
actual @?= expected
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