/// <summary>
/// Retrieve an item of type <typeparamref name="T"/> from the Blizzard World of Warcraft Game Data or Profile API.
/// </summary>
/// <typeparam name="T">
/// The return type.
/// </typeparam>
/// <param name="requestUri">
/// The URI the request is sent to.
/// </param>
/// <param name="accessToken">
/// The OAuth access token.
/// </param>
/// <returns>
/// The JSON response, deserialized to an object of type <typeparamref name="T"/>.
/// </returns>
private async Task <RequestResult <T> > GetAsync <T>(string requestUri, string accessToken)
{
// Add an authentication header with the token.
_client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", accessToken);
//Wait for access to send
_queueManager.WaitForAccessToSend();
// Retrieve the response.
HttpResponseMessage response = await _client.GetAsync(requestUri).ConfigureAwait(false);
if (!response.IsSuccessStatusCode)
{
// Check if the request was successful and made it to the Blizzard API.
// The API will always send back content if successful.
if (response.Content != null)
{
string content = await response.Content.ReadAsStringAsync().ConfigureAwait(false);
if (!string.IsNullOrEmpty(content))
{
RequestResult <T> requestError = JsonSerializer.Deserialize <RequestError>(content);
return(requestError);
}
}
// If not then it is most likely a problem on our end due to an HTTP error.
string message = $"Response code {(int)response.StatusCode} ({response.ReasonPhrase}) does not indicate success. Request: {requestUri}";
throw new HttpRequestException(message);
}
// Deserialize an object of type T from the JSON string.
string json = await response.Content.ReadAsStringAsync().ConfigureAwait(false);
try
{
RequestResult <T> requestResult = JsonSerializer.Deserialize <T>(json, s_jsonSerializerOptions);
return(requestResult);
}
catch (JsonException ex)
{
var requestError = new RequestError
{
Code = null,
Detail = ex.Message,
Type = typeof(JsonException).ToString()
};
return(new RequestResult <T>(requestError));
}
}
/// <summary>
/// Initializes a request result with an error.
/// </summary>
public RequestResult(RequestError error)
{
Error = error ?? throw new ArgumentNullException(nameof(error));
Success = false;
}