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Elm accept empty HTTP response with 20x status
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| postTitle : String -> Model -> Task.Task Http.RawError Http.Response | |
| postTitle url model = | |
| let | |
| token = | |
| case model.token of | |
| Just token -> | |
| token | |
| Nothing -> | |
| "" | |
| in | |
| Http.send Http.defaultSettings | |
| { verb = "PATCH" | |
| , headers = | |
| [ ( "Accept", "application/json" ) | |
| , ( "Content-Type", "application/json" ) | |
| , ( "Authorization", "Bearer " ++ token ) | |
| ] | |
| , url = url | |
| , body = Http.string (titleJSON model) | |
| } | |
| updateTitle : Model -> Cmd Msg | |
| updateTitle model = | |
| let | |
| url = | |
| "http://localhost:8080/Plone/front-page" | |
| in | |
| Task.perform UpdateFail | |
| UpdateSucceed | |
| (isEmptyResponse (postTitle url model)) | |
| isEmptyResponse : Task.Task Http.RawError Http.Response -> Task.Task Http.Error String | |
| isEmptyResponse response = | |
| let | |
| isEmpty str = | |
| if str == "" then | |
| Task.succeed "ok" | |
| else | |
| Task.fail (Http.UnexpectedPayload "body is not empty") | |
| in | |
| Task.mapError promoteError response | |
| `Task.andThen` handleResponse isEmpty | |
| handleResponse : (String -> Task.Task Http.Error a) -> Http.Response -> Task.Task Http.Error a | |
| handleResponse handle response = | |
| if 200 <= response.status && response.status < 300 then | |
| case response.value of | |
| Http.Text str -> | |
| handle str | |
| _ -> | |
| Task.fail (Http.UnexpectedPayload "Response body is a blob, expecting a string.") | |
| else | |
| Task.fail (Http.BadResponse response.status response.statusText) | |
| promoteError : Http.RawError -> Http.Error | |
| promoteError rawError = | |
| case rawError of | |
| Http.RawTimeout -> | |
| Http.Timeout | |
| Http.RawNetworkError -> | |
| Http.NetworkError |
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