Created
April 15, 2018 17:12
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executeWith : String -> ScoresTagger msg -> Score -> Cmd msg | |
executeWith uri tagger score = | |
let | |
tagHighScores = highScoreTagger tagger | |
storeScore = storeScoreTask uri | |
getScores = getScoresTask uri | |
in | |
storeScore score | |
|> Task.andThen (\_ -> getScores) | |
|> Task.attempt tagHighScores | |
storeScoreTask : String -> Score -> Task Http.Error () | |
storeScoreTask uri score = | |
Http.post uri (Http.jsonBody <| encode score) (Json.succeed ()) | |
|> Http.toTask | |
|> Task.onError (\_ -> Task.succeed ()) | |
getScoresTask : String -> Task Http.Error (List Score) | |
getScoresTask uri = | |
Http.get uri (Json.list scoreDecoder) | |
|> Http.toTask | |
highScoreTagger : ScoresTagger msg -> Result Http.Error (List Score) -> msg | |
highScoreTagger tagger result = | |
case result of | |
Ok scores -> | |
tagger scores | |
Err _ -> | |
tagger [] | |
scoreDecoder : Decoder Score | |
decoder = | |
Json.field "score" Json.int | |
encode : Score -> Value | |
encode score = | |
Encode.object | |
[ ( "score", Encode.int score ) | |
] |
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