/// <summary>
/// Makes a call to the specified endpoint of Accounts API, using the specified Invocation (Get, Put or Post).
/// This call only supports requests that can be fully encoded in the URL.
/// </summary>
/// <param name="invocation">A delegate that will pass the </param>
/// <param name="requestUrn">The URN to be appended to the Accounts API URL in order to
/// obtain the full request URL.</param>
/// <returns>An object representing the response by the Accounts API.</returns>
/// <example>
/// var response = await InvokeApiAsync(Put, "accounts/credit/1234?sum=100");
///
/// Where "1234" is an account number and "100" is the sum to be credited to that account.
/// </example>
private async Task <HttpResponseMessage> InvokeApiAsync(HttpClientHelpers.EndPointInvocation invocation, string requestUrn)
{
HttpResponseMessage response;
var accessToken = TokenManager.GetAccessTokens().AccessToken;
using (var apiClient = new AccountsApiClient(_accountsApiUrl, accessToken))
{
response = await apiClient.Invoke(invocation, requestUrn);
}
return(response);
}
