public async Task <EarnedAwardResponse> ChangeState(string id, EarnedAwardState state)
{
if (id == null)
{
throw new ArgumentNullException(nameof(id));
}
if (state == EarnedAwardState.Created)
{
throw new ArgumentException("State must be one of [APPROVED, REJECTED, REDEEMED].");
}
var request = new EarnedAwardRequest(state);
var result = await this.m_httpClient.Post <EarnedAwardResponse>(request, ENDPOINT + "/" + id + "/state");
// Return null when the REST endpoint returns an empty JSON object ( {} ).
if (string.IsNullOrEmpty(result?.Id))
{
return(null);
}
return(result);
}
public EarnedAwardRequest(EarnedAwardState state)
{
this.State = state;
}
