/// <summary>
/// Request to create new invoice with preset checkout currency
/// </summary>
/// <param name="itemName">Name of an item or service.</param>
/// <param name="amount">Invoice amount</param>
/// <param name="currency">Invoice currency</param>
/// <param name="language">Language of the checkout page</param>
/// <param name="order_id">Order ID for your accounting purposes</param>
/// <param name="item_description">Description of an item or service.</param>
/// <param name="success_url">An URL to which users will be redirected after a successful payment</param>
/// <param name="failed_url">An URL to which users will be redirected after a cancelled or failed payment</param>
/// <returns></returns>
public async Task <InvoiceWithSign> CreateInvoice(string itemName,
string amount = "0.0015",
CurrencyType currency = CurrencyType.bitcoin,
LangPayment language = LangPayment.ru,
string order_id = "",
string item_description = "",
string success_url = "",
string failed_url = "")
{
if (merchant_id.IsNullOrWhiteSpaces() || secret_hash.IsNullOrWhiteSpaces())
{
throw new ApiFailed($"{nameof(merchant_id)} or {nameof(secret_hash)} is empty or null");
}
try
{
using (HttpClient requestClient = HttpCreator.Create())
{
#region PostData
var postContent = new FormUrlEncodedContent(new List <KeyValuePair <string, string> >()
{
new KeyValuePair <string, string>("merchant_id", merchant_id),
new KeyValuePair <string, string>("item_name", itemName),
new KeyValuePair <string, string>("order_id", order_id),
new KeyValuePair <string, string>("item_description", item_description),
new KeyValuePair <string, string>("checkout_currency", currency.ToString()),
new KeyValuePair <string, string>("invoice_amount", amount),
new KeyValuePair <string, string>("invoice_currency", currency.ToString()),
new KeyValuePair <string, string>("success_url", success_url),
new KeyValuePair <string, string>("failed_url", failed_url),
new KeyValuePair <string, string>("language", language.ToString()),
new KeyValuePair <string, string>("secret_hash", secret_hash),
}.SignPostData());
#endregion
#region Request
var responseMessage = await requestClient.PostAsync(string.Concat(ApiUrl, "createinvoice"), postContent);
if (responseMessage.StatusCode != HttpStatusCode.Created)
{
throw new ApiFailed("Api error response",
new ApiFailed(await responseMessage?.Content?.ReadAsStringAsync()));
}
#endregion
#region Result
return((await responseMessage.Content.ReadAsStringAsync())?.Deserialize <InvoiceWithSign>());
#endregion
}
}
catch (HttpRequestException e)
{
throw e;
}
catch (Exception e)
{
throw e;
}
}
/// <summary>
/// Request to create new invoice
/// </summary>
/// <param name="itemName">Name of an item or service.</param>
/// <param name="amount">Invoice amount</param>
/// <param name="currency">Invoice currency</param>
/// <param name="language">Language of the checkout page</param>
/// <param name="order_id">Order ID for your accounting purposes</param>
/// <param name="item_description">Description of an item or service.</param>
/// <param name="success_url">An URL to which users will be redirected after a successful payment</param>
/// <param name="failed_url">An URL to which users will be redirected after a cancelled or failed payment</param>
/// <returns></returns>
public async Task <IInvoice> StartPayment(string itemName,
string amount = "0.0015",
CurrencyType currency = CurrencyType.bitcoin,
LangPayment language = LangPayment.ru,
string order_id = "",
string item_description = "",
string success_url = "",
string failed_url = "")
{
if (merchant_id.IsNullOrWhiteSpaces() || secret_hash.IsNullOrWhiteSpaces())
{
throw new ApiFailed($"{nameof(merchant_id)} or {nameof(secret_hash)} is empty or null");
}
if (itemName.IsNullOrWhiteSpaces() || amount.IsNullOrWhiteSpaces())
{
throw new ApiFailed($"Required parameters is null or empty!");
}
try
{
using (HttpClient requestClient = HttpCreator.Create())
{
string queryUrl = String.Empty;
#region PostData
List <KeyValuePair <string, string> > requestData = new List <KeyValuePair <string, string> >()
{
new KeyValuePair <string, string>("merchant_id", merchant_id),
new KeyValuePair <string, string>("item_name", itemName),
};
if (!order_id?.IsNullOrWhiteSpaces() == true)
{
requestData.Add(new KeyValuePair <string, string>(nameof(order_id), order_id));
}
if (!item_description?.IsNullOrWhiteSpaces() == true)
{
requestData.Add(new KeyValuePair <string, string>(nameof(item_description), item_description));
}
requestData.AddRange(new[]
{
new KeyValuePair <string, string>("invoice_amount", amount.ToString()),
new KeyValuePair <string, string>("invoice_currency", currency.ToString()),
});
if (!success_url?.IsNullOrWhiteSpaces() == true)
{
requestData.Add(new KeyValuePair <string, string>(nameof(success_url), success_url));
}
if (!failed_url?.IsNullOrWhiteSpaces() == true)
{
requestData.Add(new KeyValuePair <string, string>(nameof(failed_url), failed_url));
}
requestData.Add(new KeyValuePair <string, string>("language", language.ToString()));
queryUrl = await new FormUrlEncodedContent(requestData).ReadAsStringAsync();
#endregion
#region Request
var responseMessage = await requestClient.GetAsync(string.Concat(ApiUrl, "startpayment", "/?", queryUrl));
if (responseMessage.StatusCode != HttpStatusCode.OK)
{
throw new ApiFailed("Api error response",
new ApiFailed(await responseMessage?.Content?.ReadAsStringAsync()));
}
#endregion
#region Parse result
var url = responseMessage.RequestMessage.RequestUri.AbsoluteUri;
var st = responseMessage.RequestMessage.RequestUri.AbsoluteUri.LastIndexOf('/');
var id = responseMessage.RequestMessage.RequestUri.AbsoluteUri.Substring(st + 1, responseMessage.RequestMessage.RequestUri.AbsoluteUri.Length - st - 1);
#endregion
#region Result
return(new InvoiceTicket(itemName, Convert.ToDecimal(amount, new CultureInfo("en-US")), currency, currency, language)
{
order_id = order_id,
item_description = item_description,
success_url = success_url,
failed_url = failed_url,
UrlInvoice = url,
invoice_id = id,
});
#endregion
}
}
catch (HttpRequestException e)
{
throw e;
}
catch (Exception e)
{
throw e;
}
}