/// <summary>
/// Sets the specific merchant to use when communicating with the Bank.
/// If you use multiple mechants you should explicitly call this method to set a specific active merchant, that will be used by other methods,
/// otherwise the system will try to find a matching merchant automatically and might not select the one you might actually need.
/// </summary>
/// <param name="predicate">Will provide list of all available options. Will select the first option where the match returns true. Used LINQ FirstOrDefault internally</param>
/// <exception cref="TbcBankEcommerceClientConfigurationException">Thrown when merchant configuration not found</exception>
public void SelectMerchant(Func <TbcBankEcommerceClientOptions, bool> predicate)
{
var merchantOptions = _optionsList
.FirstOrDefault(predicate);
if (merchantOptions == null)
{
throw new TbcBankEcommerceClientConfigurationException($"Merchant configuration not found using the predicate");
}
_manuallySetActiveOptions = merchantOptions;
}
/// <summary>
/// Sets the specific merchant to use when communicating with the Bank.
/// If you use multiple mechants you should explicitly call this method to set a specific active merchant, that will be used by other methods,
/// otherwise the system will try to find a matching merchant automatically and might not select the one you might actually need.
/// </summary>
/// <param name="merchantId">MerchantID specified in the configuration options</param>
/// <exception cref="TbcBankEcommerceClientConfigurationException">Thrown when merchant configuration not found</exception>
public void SelectMerchant(string merchantId)
{
var merchantOptions = _optionsList
.FirstOrDefault(o => o.MerchantId == merchantId);
if (merchantOptions == null)
{
throw new TbcBankEcommerceClientConfigurationException($"Merchant configuration not found with the id '{merchantId}'");
}
_manuallySetActiveOptions = merchantOptions;
}
private X509Certificate2 CreateCertificate(TbcBankEcommerceClientOptions options)
{
try
{
return(options.CertData != null
? new X509Certificate2(options.CertData, options.CertPassword, X509KeyStorageFlags.MachineKeySet)
: new X509Certificate2(options.CertPath, options.CertPassword, X509KeyStorageFlags.MachineKeySet));
}
catch (Exception ex)
{
throw new Exception("Failed to create X509Certificate2", ex);
}
}
private HttpClientHandler GetHttpClientHandler(TbcBankEcommerceClientOptions options)
{
if (options.Environment == TbcEnvironment.LegacyProduction)
{
return new HttpClientHandler
{
ClientCertificateOptions = ClientCertificateOption.Manual
}
}
;
return(new HttpClientHandler
{
ClientCertificateOptions = ClientCertificateOption.Manual,
SslProtocols = SslProtocols.Tls12,
});
}
/// <summary>
/// Sets the specific merchant to use when communicating with the Bank.
/// If you use multiple mechants you should explicitly call this method to set a specific active merchant, that will be used by other methods,
/// otherwise the system will try to find a matching merchant automatically and might not select the one you might actually need.
/// </summary>
/// <param name="currency">Currency to search for</param>
/// <exception cref="TbcBankEcommerceClientConfigurationException">Thrown when merchant configuration not found or more than one merchant configuration found with the specified currency</exception>
public void SelectMerchant(CurrencyCode currency)
{
var merchantOptionsList = _optionsList
.Where(o => o.Currencies.Contains(currency))
.ToList();
if (merchantOptionsList.Count == 0)
{
throw new TbcBankEcommerceClientConfigurationException($"Merchant configuration not found using the speficied currency '{currency.ToString()}'");
}
if (merchantOptionsList.Count > 1)
{
throw new TbcBankEcommerceClientConfigurationException($"More than one merchant configuration not found using the speficied currency '{currency.ToString()}'");
}
_manuallySetActiveOptions = merchantOptionsList
.First();
}
private TbcBankEcommerceClientOptions GetActiveOptions(CurrencyCode?currency = null)
{
if (_manuallySetActiveOptions != null)
{
return(_manuallySetActiveOptions);
}
TbcBankEcommerceClientOptions activeOptions = null;
if (currency.HasValue)
{
var currencyDefinedOptions = _optionsList
.Where(o => o.Currencies.Contains(currency.Value))
.ToList();
if (currencyDefinedOptions.Count > 1)
{
throw new TbcBankEcommerceClientConfigurationException($"More than one merchant configuration not found using the speficied currency '{currency.Value.ToString()}'");
}
activeOptions = currencyDefinedOptions
.First();
}
if (activeOptions == null)
{
activeOptions = _optionsList
.FirstOrDefault();
}
if (activeOptions == null)
{
throw new TbcBankEcommerceClientConfigurationException("Failed to auto-select active options");
}
return(activeOptions);
}
private async Task <HttpRequestResult> MakePostRequestAsync(IDictionary <string, string> requestParameters, TbcBankEcommerceClientOptions options)
{
if (requestParameters is null)
{
throw new ArgumentNullException(nameof(requestParameters));
}
StringBuilder queryBuilder = new StringBuilder();
foreach (var requestParameter in requestParameters)
{
if (requestParameter.Value == null)
{
continue;
}
queryBuilder.Append($"{requestParameter.Key}={Uri.EscapeDataString(requestParameter.Value)}&");
}
if (queryBuilder.Length > 1)
{
queryBuilder.Remove(queryBuilder.Length - 1, 1);
}
HttpRequestResult result = new HttpRequestResult()
{
RequestUrl = ServiceUrlBuilderHelper.GetMerchantHandlerUrl(options.Environment),
RequestQuery = queryBuilder.ToString()
};
try
{
using var handler = GetHttpClientHandler(options);
handler.ServerCertificateCustomValidationCallback = (message, certificate, chain, sslPolicyErrors) => true;
using var certificate = CreateCertificate(options);
handler.ClientCertificates.Add(certificate);
using var client = new HttpClient(handler);
using var content = new StringContent(result.RequestQuery, Encoding.UTF8, "application/x-www-form-urlencoded");
var responseMessage = await client.PostAsync(result.RequestUrl, content);
result.HttpStatsCode = responseMessage.StatusCode;
result.Success = responseMessage.IsSuccessStatusCode;
result.RawResponse = await responseMessage.Content.ReadAsStringAsync();
}
catch (Exception ex)
{
result.Success = false;
result.Exception = ex;
}
return(result);
}
