public PayPalTransactionData(decimal total, string description, PayPalItemData[] items)
{
this.description = description;
this.amount.currency = "USD";
this.amount.total = total.ToString("N2");
this.amount.details = null;
this.related_resources = null;
this.soft_descriptor = null;
this.invoice_number = null;
this.custom = null;
if (items == null)
{
this.item_list = null;
}
else
{
this.item_list = new PayPalItemListData(items);
}
}
protected PayPalPaymentData CreatePayPalPayment(PayPalOAuthTokenData token, decimal total, string description, PayPalItemData[] items, string return_url, string cancel_url, bool useSandbox)
{
if (string.IsNullOrEmpty(token.access_token))
{
throw new ArgumentNullException("token.access_token");
}
if (string.IsNullOrEmpty(return_url))
{
throw new ArgumentNullException("return_url");
}
if (string.IsNullOrEmpty(cancel_url))
{
throw new ArgumentNullException("cancel_url");
}
if (total < 0.01M)
{
throw new ArgumentOutOfRangeException("total", "total must be 1 cent or more; value invalid: " + total.ToString());
}
PayPalPaymentData requestData = new PayPalPaymentData();
requestData.intent = "sale";
requestData.redirect_urls.return_url = return_url;
requestData.redirect_urls.cancel_url = cancel_url;
requestData.payer.payment_method = "paypal";
List<PayPalTransactionData> transactions = new List<PayPalTransactionData>();
transactions.Add(new PayPalTransactionData(total, description, items));
requestData.transactions = transactions.ToArray();
string requestJson = JsonConvert.SerializeObject(requestData, new JsonSerializerSettings() { NullValueHandling = NullValueHandling.Ignore });
StringContent postContent = new StringContent(requestJson, Encoding.UTF8, "application/json");
HttpClient httpClient = new HttpClient();
httpClient.Timeout = new TimeSpan(0, 0, 30);
Uri requestUri = null;
if (useSandbox)
{
httpClient.BaseAddress = new Uri("https://api.sandbox.paypal.com/");
}
else
{
httpClient.BaseAddress = new Uri("https://api.paypal.com/");
}
requestUri = new Uri("v1/payments/payment", UriKind.Relative);
HttpResponseMessage response;
httpClient.DefaultRequestHeaders.Clear();
httpClient.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
httpClient.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("text/xml"));
httpClient.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", token.access_token);
try
{
response = httpClient.PostAsync(requestUri, postContent).Result;
}
catch (Exception ex)
{
string message = "HTTP Client returned an error during PayPal Create Payment API post: " + ex.Message + ". See inner exception for details.";
throw new Exceptions.PayPalExceptionCreatePaymentFailed(useSandbox, message, null, ex);
}
PayPalPaymentData paymentResponseData;
if (response.IsSuccessStatusCode)
{
//get PayPal data
string json = response.Content.ReadAsStringAsync().Result;
try
{
paymentResponseData = JsonConvert.DeserializeObject<PayPalPaymentData>(json);
}
catch (Exception ex)
{
string message = "Error reading PayPal Create Payment API result! \nError code: " + response.StatusCode + " " + response.ReasonPhrase + "\n" + response.ToString() + " see inner exception for details.\nJSON Response Data: " + json;
throw new Exceptions.PayPalExceptionCreatePaymentFailed(useSandbox, message, response, ex);
}
paymentResponseData.Json = json;
}
else
{
string message = "PayPal Create Payment API call failed! \nError code: " + response.StatusCode + " " + response.ReasonPhrase + "\n" + response.ToString();
throw new Exceptions.PayPalExceptionCreatePaymentFailed(useSandbox, message, response, null);
}
return paymentResponseData;
}
public PayPalItemListData(PayPalItemData[] items)
{
this.items = items;
this.shipping_address = null;
}
