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d3-worldcup
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Extracting Haskell modules from main program.

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Ben Burlingham 9 years ago
parent 40eeaa0504
commit 910fa093bc
13 changed files with 248 additions and 456 deletions
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  1. 32
      Worldcup/Continents.hs
  2. 34
      Worldcup/Countries.hs
  3. 32
      Worldcup/Events.hs
  4. 23
      Worldcup/EventsTeams.hs
  5. 40
      Worldcup/Games.hs
  6. 34
      Worldcup/Rounds.hs
  7. 32
      Worldcup/Teams.hs
  8. 98
      haskell_modules/games.hs
  9. 43
      haskell_modules/rounds.hs
  10. 187
      haskell_modules/teams.hs
  11. 3
      readme.md
  12. 1
      teams.json
  13. 145
      worldcup.hs

32
Worldcup/Continents.hs
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{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE RecordWildCards #-}
module Worldcup.Continents (Continents, Continent(..), parseContinents, lookupContinent) where
import Data.Aeson
import Data.Aeson.Types as AET
import Data.HashMap.Strict as HM
import Data.Maybe as M
import Prelude as P
type Continents = HashMap Int Continent
data Continent = Continent {
continentId :: Int,
continentName :: String } deriving (Show)
parseContinents :: Either String [Value] -> Continents
parseContinents (Left x) = error x
parseContinents (Right xs) = P.foldl reduce HM.empty xs where
reduce acc x = case (parseEither parseJSON x :: Either String Continent) of
(Left s) -> error s
(Right v) -> HM.insert (continentId v) v acc
lookupContinent :: Int -> Continents -> Continent
lookupContinent _id hm = M.fromMaybe (Continent 999 "DNE") (HM.lookup _id hm)
instance FromJSON Continent where
parseJSON = withObject "continent" $ \o -> do
continentId <- o .: "id"
continentName <- o .: "name"
return Continent{..}

34
Worldcup/Countries.hs
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{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE RecordWildCards #-}
module Worldcup.Countries (Countries, Country(..), parseCountries, lookupCountry) where
import Data.Aeson
import Data.Aeson.Types as AET
import Data.HashMap.Strict as HM
import Data.Maybe as M
import Prelude as P
type Countries = HashMap Int Country
data Country = Country {
countryId :: Int,
countryContinentId :: Int,
countryName :: String } deriving (Show)
instance FromJSON Country where
parseJSON = withObject "country" $ \o -> do
countryId <- o .: "id"
countryContinentId <- o .: "continent_id"
countryName <- o .: "name"
return Country{..}
lookupCountry :: Int -> Countries -> Country
lookupCountry _id hm = M.fromMaybe (Country 999 999 "DNE") (HM.lookup _id hm)
parseCountries :: Either String [Value] -> Countries
parseCountries (Left x) = error x
parseCountries (Right xs) = P.foldl reduce HM.empty xs where
reduce acc x = case (parseEither parseJSON x :: Either String Country) of
(Left s) -> error s
(Right v) -> HM.insert (countryId v) v acc

32
Worldcup/Events.hs
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{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE RecordWildCards #-}
module Worldcup.Events (Events, Event(..), parseEvents, lookupEvent) where
import Data.Aeson
import Data.Aeson.Types as AET
import Data.HashMap.Strict as HM
import Data.Maybe as M
import Prelude as P
type Events = HashMap Int Event
data Event = Event {
eventId :: Int,
eventName :: String } deriving (Show)
instance FromJSON Event where
parseJSON = withObject "event" $ \o -> do
eventId <- o .: "id"
eventName <- o .: "key"
return Event{..}
lookupEvent :: Int -> Events -> Event
lookupEvent _id es = M.fromMaybe (Event 999 "DNE") (HM.lookup _id es)
parseEvents :: Either String [Value] -> Events
parseEvents (Left x) = error x
parseEvents (Right xs) = P.foldl reduce HM.empty xs where
reduce acc x = case (parseEither parseJSON x :: Either String Event) of
(Left s) -> error s
(Right v) -> HM.insert (eventId v) v acc

23
Worldcup/EventsTeams.hs
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{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE RecordWildCards #-}
module Worldcup.EventsTeams (EventTeam(..), parseEventsTeams) where
import Data.Aeson
import Data.Aeson.Types
import Prelude as P
data EventTeam = EventTeam {
eventTeamId :: Int } deriving (Show)
instance FromJSON EventTeam where
parseJSON = withObject "team" $ \o -> do
eventTeamId <- o .: "team_id"
return EventTeam{..}
parseEventsTeams :: Either String [Value] -> [Int]
parseEventsTeams (Left x) = error x
parseEventsTeams (Right xs) = P.foldl reduce [] xs where
reduce acc x = case (parseEither parseJSON x :: Either String EventTeam) of
(Left s) -> error s
(Right v) -> eventTeamId v : acc

40
Worldcup/Games.hs
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{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE RecordWildCards #-}
module Worldcup.Games (Game(..), parseGames) where
import Data.Aeson
import Data.Aeson.Types
data Game = Game {
roundId :: Int,
playAt :: String,
team1Id :: Int,
team2Id :: Int,
score1 :: Value,
score2 :: Value,
score1et :: Value,
score2et :: Value,
score1p :: Value,
score2p :: Value } deriving (Show)
instance FromJSON Game where
parseJSON = withObject "game" $ \o -> do
roundId <- o .: "round_id"
team1Id <- o .: "team1_id"
team2Id <- o .: "team2_id"
playAt <- o .: "play_at"
score1 <- o .: "score1"
score2 <- o .: "score2"
score1et <- o .: "score1et"
score2et <- o .: "score2et"
score1p <- o .: "score1p"
score2p <- o .: "score2p"
return Game{..}
parseGames :: Either String [Value] -> [Game]
parseGames (Left x) = error x
parseGames (Right xs) = foldl reduce [] xs where
reduce acc x = case (parseEither parseJSON x :: Either String Game) of
(Left s) -> error s
(Right v) -> v : acc

34
Worldcup/Rounds.hs
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{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE RecordWildCards #-}
module Worldcup.Rounds (Rounds, Round(..), parseRounds, lookupRound) where
import Data.Aeson
import Data.Aeson.Types as AET
import Data.HashMap.Strict as HM
import Data.Maybe as M
import Prelude as P
type Rounds = HashMap Int Round
data Round = Round {
roundId :: Int,
roundEventId :: Int,
roundName :: String } deriving (Show)
parseRounds :: Either String [Value] -> Rounds
parseRounds (Left x) = error x
parseRounds (Right xs) = P.foldl reduce HM.empty xs where
reduce acc x = case (parseEither parseJSON x :: Either String Round) of
(Left s) -> error s
(Right v) -> HM.insert (roundId v) v acc
lookupRound :: Int -> Rounds -> Round
lookupRound _id hm = M.fromMaybe (Round 999 999 "DNE") (HM.lookup _id hm)
instance FromJSON Round where
parseJSON = withObject "round" $ \o -> do
roundId <- o .: "id"
roundEventId <- o .: "event_id"
roundName <- o .: "title"
return Round{..}

32
Worldcup/Teams.hs
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{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE RecordWildCards #-}
module Worldcup.Teams (Teams, Team(..), parseTeams, lookupTeam) where
import Data.Aeson
import Data.Aeson.Types
import Data.HashMap.Strict as HM
import Data.Maybe as M
import Prelude as P
type Teams = HashMap Int Team
data Team = Team {
teamId :: Int,
teamCountryId :: Int } deriving (Show)
instance FromJSON Team where
parseJSON = withObject "team" $ \o -> do
teamId <- o .: "id"
teamCountryId <- o .: "country_id"
return Team{..}
parseTeams :: Either String [Value] -> Teams
parseTeams (Left x) = error x
parseTeams (Right xs) = P.foldl reduce HM.empty xs where
reduce acc x = case (parseEither parseJSON x :: Either String Team) of
(Left s) -> error s
(Right v) -> HM.insert (teamId v) v acc
lookupTeam :: Int -> Teams -> Team
lookupTeam _id hm = M.fromMaybe (Team 999 999) (HM.lookup _id hm)

98
haskell_modules/games.hs
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{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE RecordWildCards #-}
import Data.Aeson as AE
import Data.Aeson.Types as AET
import Data.ByteString.Lazy as BL
import Data.ByteString.Lazy.Char8 as BL8
import Prelude as P
-- THIS "id":1
-- "key":null CHECKED, NULL
-- THIS "round_id":1 round title join
-- "pos":1 RANKING? NOT USING
-- "group_id":null
-- THIS "team1_id":45
-- THIS "team2_id":30
-- THIS "play_at":"2011-11-11 12:00:00.000000"
-- "postponed":"f" CHECKED, NULL
-- "play_at_v2":null CHECKED, NULL
-- "play_at_v3":null CHECKED, NULL
-- "ground_id":null CHECKED, NULL
-- "city_id":null CHECKED, NULL
-- "knockout":"f"
-- "home":"t"
-- THIS "score1":1 regular time
-- THIS "score2":0 regular time
-- THIS "score1et":null extended time
-- THIS "score2et":null extended time
-- THIS "score1p":null penalty time
-- THIS "score2p":null penalty time
--
-- "score1i":null CHECKED, NULL
-- "score2i":null CHECKED, NULL
-- "score1ii":null CHECKED, NULL
-- "score2ii":null CHECKED, NULL
-- "next_game_id":null CHECKED, NULL
-- "prev_game_id":null CHECKED, NULL
-- "winner":1
-- "winner90":1
-- "created_at":"2016-09-28 03:35:02.277055"
-- "updated_at":"2016-09-28 03:35:02.277055"
data Game = Game {
round_id :: Value,
team1_id :: Value,
team2_id :: Value,
playAt :: Value,
score1 :: Value,
score2 :: Value,
score1et :: Value,
score2et :: Value,
score1p :: Value,
score2p :: Value } deriving (Show)
instance ToJSON Game where
toJSON Game{..} = object [
"rId" .= round_id,
"t1" .= team1_id,
"t2" .= team2_id,
"ts" .= playAt,
"s1" .= score1,
"s2" .= score2,
"s1e" .= score1et,
"s2e" .= score2et,
"s1p" .= score1p,
"s2p" .= score2p ]
instance FromJSON Game where
parseJSON = withObject "game" $ \o -> do
round_id <- o .: "round_id"
team1_id <- o .: "team1_id"
team2_id <- o .: "team2_id"
playAt <- o .: "play_at"
score1 <- o .: "score1"
score2 <- o .: "score2"
score1et <- o .: "score1et"
score2et <- o .: "score2et"
score1p <- o .: "score1p"
score2p <- o .: "score2p"
return Game{..}
reduce :: [Game] -> Value -> [Game]
reduce acc x = case (parseEither parseJSON x :: Either String Game) of
(Left s) -> error s
(Right v) -> v : acc
parseGames :: Either String [Value] -> [Game]
parseGames (Left x) = error x
parseGames (Right xs) = P.foldl reduce [] xs
main :: IO ()
main = do
src <- BL.readFile "./data/games.json"
let games = parseGames (AE.eitherDecode src :: Either String [Value])
let encoded = encode games
BL8.putStrLn encoded
BL8.putStrLn "Writing games.json"
BL.writeFile "games.json" encoded

43
haskell_modules/rounds.hs
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{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE RecordWildCards #-}
import Data.Aeson as AE
import Data.Aeson.Types as AET
import Data.ByteString.Lazy as BL
import Data.ByteString.Lazy.Char8 as BL8
import Data.HashMap.Strict as HM
import Prelude as P
data Round = Round { _id :: Value, title :: Value } deriving (Show)
instance ToJSON Round where
toJSON Round{..} = object [ "i" .= _id, "t" .= title ]
instance FromJSON Round where
parseJSON = withObject "round" $ \o -> do
_id <- o .: "id"
title <- o .: "title"
return Round{..}
reduce :: [Round] -> Value -> [Round]
reduce acc x = case (parseEither parseJSON x :: Either String Round) of
(Left s) -> error s
(Right v) -> v : acc
parseRounds :: Either String [Value] -> [Round]
parseRounds (Left x) = error x
parseRounds (Right xs) = P.foldl reduce [] xs
parseResult :: [Round] -> [(String, Value)]
parseResult = P.foldl (\acc x -> (extractId x, title x) : acc) []
where
extractId = BL8.unpack . encode . _id
main :: IO ()
main = do
src <- BL.readFile "./data/rounds.json"
let teams = parseRounds (AE.eitherDecode src :: Either String [Value])
let encoded = encode $ HM.fromList $ parseResult teams
BL8.putStrLn encoded
BL8.putStrLn "Writing rounds.json"
BL.writeFile "rounds.json" encoded

187
haskell_modules/teams.hs
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{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE RecordWildCards #-}
import Data.Aeson as AE
import Data.Aeson.Types as AET
import Data.ByteString.Lazy as BL
import Data.ByteString.Lazy.Char8 as BL8
import Data.HashMap.Strict as HM
import Data.Maybe as M
import Prelude as P
----- Data constructors -----
data TeamFinal = TeamFinal {
resultId :: Int,
resultCountry :: String,
resultContinent :: String,
resultGoals :: Int
} deriving (Show)
data Team = Team {
teamId :: Int,
teamCountryId :: Int } deriving (Show)
data EventTeam = EventTeam {
eventTeamId :: Int } deriving (Show)
data Country = Country {
countryId :: Int,
countryName :: String,
countryContinentId :: Int } deriving (Show)
data Continent = Continent {
continentId :: Int,
continentName :: String } deriving (Show)
data Game = Game {
roundId :: Int,
playAt :: String,
team1Id :: Int,
team2Id :: Int,
score1 :: Value,
score2 :: Value,
score1et :: Value,
score2et :: Value,
score1p :: Value,
score2p :: Value } deriving (Show)
----- Type synonyms -----
type Teams = HashMap Int Team
type Countries = HashMap Int Country
type Continents = HashMap Int Continent
----- ToJSON parsers -----
instance ToJSON TeamFinal where
toJSON TeamFinal{..} =
object [ "id" .= resultId, "ct" .= resultCountry, "cn" .= resultContinent, "g" .= resultGoals ]
----- FromJSON parsers -----
instance FromJSON Team where
parseJSON = withObject "team" $ \o -> do
teamId <- o .: "id"
teamCountryId <- o .: "country_id"
return Team{..}
instance FromJSON EventTeam where
parseJSON = withObject "team" $ \o -> do
eventTeamId <- o .: "team_id"
return EventTeam{..}
instance FromJSON Game where
parseJSON = withObject "game" $ \o -> do
roundId <- o .: "round_id"
team1Id <- o .: "team1_id"
team2Id <- o .: "team2_id"
playAt <- o .: "play_at"
score1 <- o .: "score1"
score2 <- o .: "score2"
score1et <- o .: "score1et"
score2et <- o .: "score2et"
score1p <- o .: "score1p"
score2p <- o .: "score2p"
return Game{..}
instance FromJSON Country where
parseJSON = withObject "country" $ \o -> do
countryId <- o .: "id"
countryName <- o .: "name"
countryContinentId <- o .: "continent_id"
return Country{..}
instance FromJSON Continent where
parseJSON = withObject "continent" $ \o -> do
continentId <- o .: "id"
continentName <- o .: "name"
return Continent{..}
parseTeams :: Either String [Value] -> Teams
parseTeams (Left x) = error x
parseTeams (Right xs) = P.foldl reduce HM.empty xs where
reduce acc x = case (parseEither parseJSON x :: Either String Team) of
(Left s) -> error s
(Right v) -> HM.insert (teamId v) v acc
parseEventTeams :: Either String [Value] -> [Int]
parseEventTeams (Left x) = error x
parseEventTeams (Right xs) = P.foldl reduce [] xs where
reduce acc x = case (parseEither parseJSON x :: Either String EventTeam) of
(Left s) -> error s
(Right v) -> eventTeamId v : acc
parseGames :: Either String [Value] -> [Game]
parseGames (Left x) = error x
parseGames (Right xs) = P.foldl reduce [] xs where
reduce acc x = case (parseEither parseJSON x :: Either String Game) of
(Left s) -> error s
(Right v) -> v : acc
parseCountries :: Either String [Value] -> Countries
parseCountries (Left x) = error x
parseCountries (Right xs) = P.foldl reduce HM.empty xs where
reduce acc x = case (parseEither parseJSON x :: Either String Country) of
(Left s) -> error s
(Right v) -> HM.insert (countryId v) v acc
parseContinents :: Either String [Value] -> Continents
parseContinents (Left x) = error x
parseContinents (Right xs) = P.foldl reduce HM.empty xs where
reduce acc x = case (parseEither parseJSON x :: Either String Continent) of
(Left s) -> error s
(Right v) -> HM.insert (continentId v) v acc
parseInt :: Value -> Int
parseInt Null = 0
parseInt x = read $ BL8.unpack $ encode x :: Int
----- Hashmap lookup convenience -----
lookupTeam :: Int -> Teams -> Team
lookupTeam _id hm = M.fromMaybe (Team 999 999) (HM.lookup _id hm)
lookupCountry :: Int -> Countries -> Country
lookupCountry _id hm = M.fromMaybe (Country 999 "Unknown" 999) (HM.lookup _id hm)
lookupContinent :: Int -> Continents -> Continent
lookupContinent _id hm = M.fromMaybe (Continent 999 "Unknown") (HM.lookup _id hm)
countryFromTeamId :: Int -> Teams -> Countries -> Country
countryFromTeamId _id hmT = lookupCountry a where
a = teamCountryId $ lookupTeam _id hmT
continentFromTeamId :: Int -> Teams -> Countries -> Continents -> Continent
continentFromTeamId _id hmT hmC = lookupContinent (countryContinentId b) where
a = teamCountryId $ lookupTeam _id hmT
b = lookupCountry a hmC
goalsFromTeamId :: Int -> [Game] -> Int
goalsFromTeamId _id = P.foldl reducer 0 where
reducer acc x
| team1Id x == _id = acc + parseInt (score1 x) + parseInt (score1et x) + parseInt (score1p x)
| team2Id x == _id = acc + parseInt (score2 x) + parseInt (score2et x) + parseInt (score2p x)
| otherwise = acc
buildResult :: [Int] -> Teams -> Countries -> Continents -> [Game] -> [TeamFinal]
buildResult ets hmT hmC hmN gs = P.foldl reducer [] ets where
reducer acc x = TeamFinal x (getCountryName x) (getContinentName x) (goalCount x) : acc
getCountryName x = countryName (countryFromTeamId x hmT hmC)
getContinentName x = continentName (continentFromTeamId x hmT hmC hmN)
goalCount x = goalsFromTeamId x gs
main :: IO ()
main = do
dataTeams <- BL.readFile "./data/teams.json"
dataEventTeams <- BL.readFile "./data/events_teams.json"
dataCountries <- BL.readFile "./data/countries.json"
dataContinents <- BL.readFile "./data/continents.json"
dataGames <- BL.readFile "./data/games.json"
let teams = parseTeams (AE.eitherDecode dataTeams)
let eventteams = parseEventTeams (AE.eitherDecode dataEventTeams)
let games = parseGames (AE.eitherDecode dataGames)
let countries = parseCountries (AE.eitherDecode dataCountries)
let continents = parseContinents (AE.eitherDecode dataContinents)
let encoded = encode $ buildResult eventteams teams countries continents games
BL8.putStrLn encoded
P.putStrLn $ show (P.length eventteams) ++ " teams found."
BL8.putStrLn "Writing teams.json"
BL8.writeFile "teams.json" encoded

3
readme.md
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@ -2,7 +2,8 @@
A single JSON file is downloaded to provide the data set. Its structure is as follows:
```{
```
{
'teams': {
"67": "Uruguay",
...

1
teams.json
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[{"g":3,"ct":"Nigeria","cn":"Africa","id":20},{"g":4,"ct":"Côte d'Ivoire","cn":"Africa","id":17},{"g":1,"ct":"Cameroon","cn":"Africa","id":22},{"g":4,"ct":"Ghana","cn":"Africa","id":18},{"g":7,"ct":"Algeria","cn":"Africa","id":1},{"g":3,"ct":"Australia","cn":"Pacific","id":193},{"g":1,"ct":"Iran","cn":"Middle East","id":178},{"g":2,"ct":"Japan","cn":"Asia","id":72},{"g":3,"ct":"South Korea","cn":"Asia","id":74},{"g":13,"ct":"Costa Rica","cn":"Central America","id":118},{"g":5,"ct":"United States","cn":"North America","id":191},{"g":1,"ct":"Honduras","cn":"Central America","id":117},{"g":5,"ct":"México","cn":"North America","id":190},{"g":14,"ct":"Brazil","cn":"South America","id":211},{"g":12,"ct":"Argentina","cn":"South America","id":210},{"g":12,"ct":"Colombia","cn":"South America","id":215},{"g":8,"ct":"Chile","cn":"South America","id":212},{"g":3,"ct":"Ecuador","cn":"South America","id":216},{"g":4,"ct":"Uruguay","cn":"South America","id":214},{"g":6,"ct":"Belgium","cn":"Europe","id":125},{"g":18,"ct":"Germany","cn":"Europe","id":127},{"g":2,"ct":"Italy","cn":"Europe","id":134},{"g":21,"ct":"Netherlands","cn":"Europe","id":137},{"g":7,"ct":"Switzerland","cn":"Europe","id":153},{"g":4,"ct":"Bosnia and Herzegovina","cn":"Europe","id":162},{"g":2,"ct":"Russia","cn":"Europe","id":156},{"g":4,"ct":"Spain","cn":"Europe","id":129},{"g":2,"ct":"England","cn":"Europe","id":170},{"g":6,"ct":"Greece","cn":"Europe","id":132},{"g":6,"ct":"Croatia","cn":"Europe","id":154},{"g":4,"ct":"Portugal","cn":"Europe","id":138},{"g":10,"ct":"France","cn":"Europe","id":131}]

145
worldcup.hs
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@ -8,141 +8,30 @@ import Data.ByteString.Lazy.Char8 as BL8
import Data.HashMap.Strict as HM
import Data.Maybe as M
import Prelude as P
import Worldcup.Continents
import Worldcup.Countries
import Worldcup.Events
import Worldcup.EventsTeams
import Worldcup.Games
import Worldcup.Rounds
import Worldcup.Teams
----- Data constructors -----
data TeamFinal = TeamFinal {
data FinalResult = FinalResult {
resultId :: Int,
resultCountry :: String,
resultContinent :: String,
resultGoals :: Int
} deriving (Show)
data Team = Team {
teamId :: Int,
teamCountryId :: Int } deriving (Show)
data EventTeam = EventTeam {
eventTeamId :: Int } deriving (Show)
data Country = Country {
countryId :: Int,
countryName :: String,
countryContinentId :: Int } deriving (Show)
data Continent = Continent {
continentId :: Int,
continentName :: String } deriving (Show)
data Game = Game {
roundId :: Int,
playAt :: String,
team1Id :: Int,
team2Id :: Int,
score1 :: Value,
score2 :: Value,
score1et :: Value,
score2et :: Value,
score1p :: Value,
score2p :: Value } deriving (Show)
----- Type synonyms -----
type Teams = HashMap Int Team
type Countries = HashMap Int Country
type Continents = HashMap Int Continent
----- ToJSON parsers -----
instance ToJSON TeamFinal where
toJSON TeamFinal{..} =
instance ToJSON FinalResult where
toJSON FinalResult{..} =
object [ "id" .= resultId, "ct" .= resultCountry, "cn" .= resultContinent, "g" .= resultGoals ]
----- FromJSON parsers -----
instance FromJSON Team where
parseJSON = withObject "team" $ \o -> do
teamId <- o .: "id"
teamCountryId <- o .: "country_id"
return Team{..}
instance FromJSON EventTeam where
parseJSON = withObject "team" $ \o -> do
eventTeamId <- o .: "team_id"
return EventTeam{..}
instance FromJSON Game where
parseJSON = withObject "game" $ \o -> do
roundId <- o .: "round_id"
team1Id <- o .: "team1_id"
team2Id <- o .: "team2_id"
playAt <- o .: "play_at"
score1 <- o .: "score1"
score2 <- o .: "score2"
score1et <- o .: "score1et"
score2et <- o .: "score2et"
score1p <- o .: "score1p"
score2p <- o .: "score2p"
return Game{..}
instance FromJSON Country where
parseJSON = withObject "country" $ \o -> do
countryId <- o .: "id"
countryName <- o .: "name"
countryContinentId <- o .: "continent_id"
return Country{..}
instance FromJSON Continent where
parseJSON = withObject "continent" $ \o -> do
continentId <- o .: "id"
continentName <- o .: "name"
return Continent{..}
parseTeams :: Either String [Value] -> Teams
parseTeams (Left x) = error x
parseTeams (Right xs) = P.foldl reduce HM.empty xs where
reduce acc x = case (parseEither parseJSON x :: Either String Team) of
(Left s) -> error s
(Right v) -> HM.insert (teamId v) v acc
parseEventTeams :: Either String [Value] -> [Int]
parseEventTeams (Left x) = error x
parseEventTeams (Right xs) = P.foldl reduce [] xs where
reduce acc x = case (parseEither parseJSON x :: Either String EventTeam) of
(Left s) -> error s
(Right v) -> eventTeamId v : acc
parseGames :: Either String [Value] -> [Game]
parseGames (Left x) = error x
parseGames (Right xs) = P.foldl reduce [] xs where
reduce acc x = case (parseEither parseJSON x :: Either String Game) of
(Left s) -> error s
(Right v) -> v : acc
parseCountries :: Either String [Value] -> Countries
parseCountries (Left x) = error x
parseCountries (Right xs) = P.foldl reduce HM.empty xs where
reduce acc x = case (parseEither parseJSON x :: Either String Country) of
(Left s) -> error s
(Right v) -> HM.insert (countryId v) v acc
parseContinents :: Either String [Value] -> Continents
parseContinents (Left x) = error x
parseContinents (Right xs) = P.foldl reduce HM.empty xs where
reduce acc x = case (parseEither parseJSON x :: Either String Continent) of
(Left s) -> error s
(Right v) -> HM.insert (continentId v) v acc
parseInt :: Value -> Int
parseInt Null = 0
parseInt x = read $ BL8.unpack $ encode x :: Int
----- Hashmap lookup convenience -----
lookupTeam :: Int -> Teams -> Team
lookupTeam _id hm = M.fromMaybe (Team 999 999) (HM.lookup _id hm)
lookupCountry :: Int -> Countries -> Country
lookupCountry _id hm = M.fromMaybe (Country 999 "Unknown" 999) (HM.lookup _id hm)
lookupContinent :: Int -> Continents -> Continent
lookupContinent _id hm = M.fromMaybe (Continent 999 "Unknown") (HM.lookup _id hm)
countryFromTeamId :: Int -> Teams -> Countries -> Country
countryFromTeamId _id hmT = lookupCountry a where
a = teamCountryId $ lookupTeam _id hmT
@ -159,9 +48,9 @@ goalsFromTeamId _id = P.foldl reducer 0 where
| team2Id x == _id = acc + parseInt (score2 x) + parseInt (score2et x) + parseInt (score2p x)
| otherwise = acc
buildResult :: [Int] -> Teams -> Countries -> Continents -> [Game] -> [TeamFinal]
buildResult ets hmT hmC hmN gs = P.foldl reducer [] ets where
reducer acc x = TeamFinal x (getCountryName x) (getContinentName x) (goalCount x) : acc
buildFinalResult :: [Int] -> Teams -> Countries -> Continents -> [Game] -> [FinalResult]
buildFinalResult ets hmT hmC hmN gs = P.foldl reducer [] ets where
reducer acc x = FinalResult x (getCountryName x) (getContinentName x) (goalCount x) : acc
getCountryName x = countryName (countryFromTeamId x hmT hmC)
getContinentName x = continentName (continentFromTeamId x hmT hmC hmN)
goalCount x = goalsFromTeamId x gs
@ -173,14 +62,18 @@ main = do
dataCountries <- BL.readFile "./data/countries.json"
dataContinents <- BL.readFile "./data/continents.json"
dataGames <- BL.readFile "./data/games.json"
dataEvents <- BL.readFile "./data/events.json"
dataRounds <- BL.readFile "./data/rounds.json"
let teams = parseTeams (AE.eitherDecode dataTeams)
let eventteams = parseEventTeams (AE.eitherDecode dataEventTeams)
let events = parseEvents (AE.eitherDecode dataEvents)
let eventteams = parseEventsTeams (AE.eitherDecode dataEventTeams)
let games = parseGames (AE.eitherDecode dataGames)
let countries = parseCountries (AE.eitherDecode dataCountries)
let continents = parseContinents (AE.eitherDecode dataContinents)
let rounds = parseRounds (AE.eitherDecode dataRounds)
let encoded = encode $ buildResult eventteams teams countries continents games
let encoded = encode $ buildFinalResult eventteams teams countries continents games
BL8.putStrLn encoded
P.putStrLn $ show (P.length eventteams) ++ " teams found."
BL8.putStrLn "Writing teams.json"

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