What error are you getting? It looks like you're asking Elm to decode a player
when you know you're not going to be getting one.
> On Mar 6, 2017, at 12:19 AM, Long Nguyen <lnguye...@gmail.com> wrote:
>
> Hello,
>
> I have the following helper functions to trigger the DELETE request of a
> resource.
>
> deletePlayer : Player -> Cmd Msg
> deletePlayer player =
> restRequest (hostUrl ++ "/players/" ++ (toString player.id))
> (playerEncode player)
> playerDecoder
> DELETE
> |> Http.send (PlayerMsg_ << OnDeletePlayer)
>
> restRequest : String -> JE.Value -> JD.Decoder a -> HTTPMethod ->
> Http.Request a
> restRequest url encode decoder method =
> Http.request
> { body = encode |> Http.jsonBody
> , expect = Http.expectJson decoder
> , headers = []
> , method = toString method
> , timeout = Nothing
> , url = url
> , withCredentials = False
> }
>
> And in my Update method I have the following code.
>
> case msg of
> ....
> DeletePlayer id ->
> let
> maybePlayer =
> playersModel.players
> |> List.filter (\player -> player.id == id)
> |> List.head
> in
> case maybePlayer of
> Just player ->
> ( { playersModel | idToDelete = player.id }
> , API.deletePlayer player )
>
> Nothing ->
> ( playersModel, Cmd.none )
>
> OnDeletePlayer (Ok deletedPlayer) ->
> Debug.log ("Ok")
> ( playersModel, Cmd.none)
>
> OnDeletePlayer (Err error) ->
> Debug.log ("Error")
> ( playersModel, Cmd.none )
>
>
> The HTTP request got executed, and the resource gets deleted; however, the
> problem is that Elm always trigger the "OnDeletePlayer (Err error)" branch of
> the Update function. I'm using JSON Server, and after the request is
> executed, the response body is "{}" with 200 as Status Code.
>
> Please help me in structuring my Http.request so that the "OnDeletePlayer (Ok
> deletedPlayer)" branch gets executed upon success.
>
> Much appreciated!
>
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