/// <summary>
/// Builds payment URI
/// </summary>
/// <param name="processingUri">Base processing URI</param>
/// <param name="paymentMethod">Payment method</param>
/// <param name="language">Payment form language</param>
/// <param name="merchantSettings">Merchant settings</param>
/// <param name="orderInfo">Order information</param>
/// <param name="redirectParameters">Redirect parameters</param>
/// <param name="customData">Custom data parameters</param>
/// <returns>Payment form URI</returns>
private static string BuildUri(
Uri processingUri,
PaymentMethod paymentMethod,
Language language,
MerchantSettings merchantSettings,
OrderInfo orderInfo,
RedirectParameters redirectParameters,
NameValueCollection customData)
{
if (processingUri == null)
{
throw new ArgumentNullException(nameof(processingUri));
}
if (merchantSettings == null)
{
throw new ArgumentNullException(nameof(merchantSettings));
}
if (orderInfo == null)
{
throw new ArgumentNullException(nameof(orderInfo));
}
var uriBuilder = new UriBuilder(processingUri)
{
Path = GetLanguagePath(language) + GetPaymentMethodPath(paymentMethod),
Query = GetQuery(merchantSettings, orderInfo, redirectParameters, customData),
};
return(uriBuilder.ToString());
}
/// <summary>
/// Initializes a new instance of the <see cref="PaymentUri"/> class
/// </summary>
/// <param name="processingUri">Base processing URI</param>
/// <param name="merchantSettings">Merchant settings</param>
/// <param name="orderInfo">Order information</param>
/// <param name="paymentMethod">Payment method</param>
/// <param name="language">Form language</param>
/// <param name="redirectParameters">Redirect parameters</param>
/// <param name="customData">Additional custom data</param>
public PaymentUri(
Uri processingUri,
MerchantSettings merchantSettings,
OrderInfo orderInfo,
PaymentMethod paymentMethod = PaymentMethod.Card,
Language language = Language.Russian,
RedirectParameters redirectParameters = null,
NameValueCollection customData = null)
: base(BuildUri(processingUri, paymentMethod, language, merchantSettings, orderInfo, redirectParameters, customData))
{
}
/// <summary>
/// Creates payment form query
/// </summary>
/// <param name="merchantSettings">Merchant settings</param>
/// <param name="orderInfo">Order information</param>
/// <param name="redirectParameters">Redirect parameters</param>
/// <param name="customData">Custom data</param>
/// <returns>Query string</returns>
private static string GetQuery(MerchantSettings merchantSettings, OrderInfo orderInfo, RedirectParameters redirectParameters, NameValueCollection customData)
{
var queryString = HttpUtility.ParseQueryString(string.Empty);
queryString["MerchantId"] = merchantSettings.MerchantId.ToString(CultureInfo.InvariantCulture);
queryString["OrderId"] = orderInfo.OrderId;
queryString["Amount"] = orderInfo.Amount.ToString("#.00", CultureInfo.InvariantCulture);
queryString["Currency"] = orderInfo.Currency.ToUpperInvariant();
if (orderInfo.ValidUntil.HasValue)
{
queryString["ValidUntil"] = orderInfo.ValidUntil.Value.ToString("yyyy-MM-dd HH:mm:ss", CultureInfo.InvariantCulture);
}
if (!string.IsNullOrEmpty(orderInfo.OrderDecription))
{
queryString["OrderDescription"] = orderInfo.OrderDecription;
}
queryString["SecurityKey"] = new SecurityKey(merchantSettings, orderInfo).Value;
if (redirectParameters?.ReturnUrl != null)
{
queryString["ReturnUrl"] = redirectParameters.ReturnUrl.ToString();
}
if (redirectParameters?.FailUrl != null)
{
queryString["FailUrl"] = redirectParameters.FailUrl.ToString();
}
if (customData != null)
{
queryString.Add(customData);
}
return(queryString.ToString());
}