-- System imports.
import Control.Monad ( forM_, join )
-import Data.Time ( UTCTime )
+import Data.Time ( UTCTime(..) )
import Data.Tuple.Curry ( uncurryN )
import Database.Groundhog (
(=.),
import TSN.Codegen (
tsn_codegen_config )
import TSN.DbImport ( DbImport(..), ImportResult(..), run_dbmigrate )
-import TSN.Picklers ( xp_date, xp_team_id, xp_time )
+import TSN.Picklers ( xp_date, xp_time )
import TSN.XmlImport ( XmlImport(..) )
-import Xml ( FromXml(..), pickle_unpickle, unpickleable )
+import Xml ( FromXml(..), ToDb(..), pickle_unpickle, unpickleable )
deriving (Eq, Show)
-instance FromXml OddsGameCasinoXml where
+instance ToDb OddsGameCasinoXml where
-- | The database representation of an 'OddsGameCasinoXml' is an
-- 'OddsCasino'.
--
type Db OddsGameCasinoXml = OddsCasino
+instance FromXml OddsGameCasinoXml where
-- | We convert from XML to the database by dropping the line field.
from_xml OddsGameCasinoXml{..} =
OddsCasino {
--
data OddsGameTeam =
OddsGameTeam {
- db_team_id :: String, -- ^ The home/away team IDs are 3 characters
+ db_team_id :: String, -- ^ The home/away team IDs are
+ -- three characters but Postgres
+ -- imposes no performance penalty
+ -- on lengthless text fields, so
+ -- we ignore the probable upper
+ -- bound of three characters.
db_abbr :: String,
db_team_name :: String }
deriving (Eq, Show)
--
data OddsGameHomeTeamXml =
OddsGameHomeTeamXml {
- xml_home_team_id :: String, -- ^ These are three-character IDs.
+ xml_home_team_id :: String, -- ^ The home/away team IDs
+ -- are three characters but
+ -- Postgres imposes no
+ -- performance penalty on
+ -- lengthless text fields,
+ -- so we ignore the probable
+ -- upper bound of three
+ -- characters.
xml_home_rotation_number :: Int,
xml_home_abbr :: String,
xml_home_team_name :: String,
xml_home_casinos :: [OddsGameCasinoXml] }
deriving (Eq, Show)
-instance FromXml OddsGameHomeTeamXml where
+instance ToDb OddsGameHomeTeamXml where
-- | The database representation of an 'OddsGameHomeTeamXml' is an
-- 'OddsGameTeam'.
--
type Db OddsGameHomeTeamXml = OddsGameTeam
+instance FromXml OddsGameHomeTeamXml where
-- | We convert from XML to the database by dropping the lines and
-- rotation number (which are specific to the games, not the teams
-- themselves).
instance XmlImport OddsGameHomeTeamXml where
--- |
-- | The XML representation of a \<AwayTeam\>, as found in \<Game\>s.
+-- | The XML representation of a \<AwayTeam\>, as found in \<Game\>s.
--
data OddsGameAwayTeamXml =
OddsGameAwayTeamXml {
- xml_away_team_id :: String, -- ^ These are 3 character IDs.
+ xml_away_team_id :: String, -- ^ The home/away team IDs are
+ -- three characters but Postgres
+ -- imposes no performance penalty
+ -- on lengthless text fields, so
+ -- we ignore the probable upper
+ -- bound of three characters
xml_away_rotation_number :: Int,
xml_away_abbr :: String,
xml_away_team_name :: String,
xml_away_casinos :: [OddsGameCasinoXml] }
deriving (Eq, Show)
-instance FromXml OddsGameAwayTeamXml where
+instance ToDb OddsGameAwayTeamXml where
-- | The database representation of an 'OddsGameAwayTeamXml' is an
-- 'OddsGameTeam'.
--
type Db OddsGameAwayTeamXml = OddsGameTeam
+instance FromXml OddsGameAwayTeamXml where
-- | We convert from XML to the database by dropping the lines and
-- rotation number (which are specific to the games, not the teams
-- themselves).
data OddsGame =
OddsGame {
db_game_id :: Int,
- db_game_date :: UTCTime,
- db_game_time :: UTCTime,
+ db_game_time :: UTCTime, -- ^ Contains both the date and time.
db_game_away_team_rotation_number :: Int,
db_game_home_team_rotation_number :: Int }
deriving (Eq, Show)
data OddsGameXml =
OddsGameXml {
xml_game_id :: Int,
- xml_game_date :: UTCTime,
- xml_game_time :: UTCTime,
+ xml_game_date :: UTCTime, -- ^ Contains only the date
+ xml_game_time :: UTCTime, -- ^ Contains only the time
xml_game_away_team :: OddsGameAwayTeamXml,
xml_game_home_team :: OddsGameHomeTeamXml,
xml_game_over_under :: OddsGameOverUnderXml }
xml_game_over_under_casinos = xml_casinos . xml_game_over_under
-instance FromXml OddsGameXml where
+instance ToDb OddsGameXml where
-- | The database representation of an 'OddsGameXml' is an
-- 'OddsGame'.
--
type Db OddsGameXml = OddsGame
+instance FromXml OddsGameXml where
-- | To convert from the XML representation to the database one, we
-- drop the home/away teams and the casino lines, but retain the
-- home/away rotation numbers.
from_xml OddsGameXml{..} =
OddsGame {
db_game_id = xml_game_id,
- db_game_date = xml_game_date,
- db_game_time = xml_game_time,
+
+ db_game_time = UTCTime
+ (utctDay xml_game_date) -- Take the day part from one,
+ (utctDayTime xml_game_time), -- the time from the other.
+
db_game_away_team_rotation_number =
(xml_away_rotation_number xml_game_away_team),
+
db_game_home_team_rotation_number =
(xml_home_rotation_number xml_game_home_team) }
Odds {
db_sport :: String,
db_title :: String,
- db_line_time :: String }
+ db_line_time :: String -- ^ We don't parse these as a 'UTCTime'
+ -- because their timezones are ambiguous
+ -- (and the date is less than useful when
+ -- it might be off by an hour).
+ }
-- | Map 'Odds' to their children 'OddsGame's.
xml_games m = map game (xml_games_with_notes m)
-instance FromXml Message where
+instance ToDb Message where
-- | The database representation of a 'Message' is 'Odds'.
--
type Db Message = Odds
+instance FromXml Message where
-- | To convert from the XML representation to the database one, we
-- just drop a bunch of fields.
--
--- | Groundhog database schema. This must come before the DbImport
--- instance definition.
---
+-- Groundhog database schema. This must come before the DbImport
+-- instance definition.
mkPersist tsn_codegen_config [groundhog|
- entity: Odds
dbName: odds_games_teams
constructors:
- name: OddsGameTeam
- fields:
- - name: db_team_id
- type: varchar(3) # We've only seen 3, so far...
uniques:
- name: unique_odds_games_team
type: constraint
fields:
- name: odds_OddsGame0 # Default created by mkNormalFieldName
dbName: odds_id
+ reference:
+ onDelete: cascade
- name: odds_OddsGame1 # Default created by mkNormalFieldName
dbName: odds_games_id
+ reference:
+ onDelete: cascade
- entity: OddsGame_OddsGameTeam
dbName: odds_games__odds_games_teams
+ constructors:
+ - name: OddsGame_OddsGameTeam
+ fields:
+ - name: ogogt_odds_games_id
+ reference:
+ onDelete: cascade
+ - name: ogogt_away_team_id
+ reference:
+ onDelete: cascade
+ - name: ogogt_home_team_id
+ reference:
+ onDelete: cascade
|]
instance DbImport Message where
xpElem "HomeTeam" $
xpWrap (from_tuple, to_tuple) $
xp5Tuple
- (xpElem "HomeTeamID" xp_team_id)
+ (xpElem "HomeTeamID" xpText)
(xpElem "HomeRotationNumber" xpInt)
(xpElem "HomeAbbr" xpText)
(xpElem "HomeTeamName" xpText)
xpElem "AwayTeam" $
xpWrap (from_tuple, to_tuple) $
xp5Tuple
- (xpElem "AwayTeamID" xp_team_id)
+ (xpElem "AwayTeamID" xpText)
(xpElem "AwayRotationNumber" xpInt)
(xpElem "AwayAbbr" xpText)
(xpElem "AwayTeamName" xpText)
-- | If we unpickle something and then pickle it, we should wind up
--- with the same thing we started with. WARNING: succeess of this
+-- with the same thing we started with. WARNING: success of this
-- test does not mean that unpickling succeeded.
--
test_pickle_of_unpickle_is_identity :: TestTree
projects / dead / htsn-import.git / blobdiff