252 lines
10 KiB
C#
252 lines
10 KiB
C#
using System.Collections.Generic;
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using Microsoft.Extensions.Logging;
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using PayPal.Exception;
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using Yavsc.Models.Billing;
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using Microsoft.AspNet.Http;
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using System.Threading.Tasks;
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using System.Net.Http;
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using System;
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using System.Text;
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using Newtonsoft.Json;
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using PayPal.PayPalAPIInterfaceService.Model;
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using PayPal.PayPalAPIInterfaceService;
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using Yavsc.ViewModels.PayPal;
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using Yavsc.Models;
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using Microsoft.Data.Entity;
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using System.Linq;
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using Yavsc.Models.Payment;
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namespace Yavsc.Helpers
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{
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public static class PayPalHelpers
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{
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private static Dictionary<string,string> payPalProperties = null;
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public static Dictionary<string,string> GetPayPalProperties() {
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if (payPalProperties==null) {
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payPalProperties = new Dictionary<string,string>();
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// Don't do:
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// payPalProperties.Add("mode", Startup.PayPalSettings.Mode);
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// Instead, set the endpoint parameter.
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if (Startup.PayPalSettings.Mode == "production") {
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// use nvp end point: https://api-3t.paypal.com/nvp
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payPalProperties.Add("endpoint", "https://api-3t.paypal.com/nvp");
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} else {
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payPalProperties.Add("endpoint", "https://api-3t.sandbox.paypal.com/nvp");
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}
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payPalProperties.Add("clientId", Startup.PayPalSettings.ClientId);
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payPalProperties.Add("clientSecret", Startup.PayPalSettings.ClientSecret);
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int numClient = 0;
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if (Startup.PayPalSettings.Accounts!=null)
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foreach (var account in Startup.PayPalSettings.Accounts) {
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numClient++;
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payPalProperties.Add ($"account{numClient}.apiUsername",account.ApiUsername);
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payPalProperties.Add ($"account{numClient}.apiPassword",account.ApiPassword);
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payPalProperties.Add ($"account{numClient}.apiSignature",account.Signature);
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}
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}
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return payPalProperties;
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}
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public class PayPalOAuth2Token
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{
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public string scope;
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public string nonce;
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public string access_token;
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public string token_type;
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public string app_id;
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public string expires_in;
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}
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private static PayPalOAuth2Token token = null;
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private static PayPalAPIInterfaceServiceService payPalService = null;
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public static PayPalAPIInterfaceServiceService PayPalService {
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get {
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if (payPalService==null)
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payPalService = new PayPal.PayPalAPIInterfaceService.PayPalAPIInterfaceServiceService(GetPayPalProperties());
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return payPalService;
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}}
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[Obsolete("use the PayPalService property")]
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internal static async Task<string> GetAccessToken()
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{
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if (token == null)
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{
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token = new PayPalOAuth2Token();
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using (HttpClient client = new HttpClient())
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{
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var uriString = Startup.PayPalSettings.Mode == "production" ?
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"https://api.paypal.com/v1/oauth2/token" : "https://api.sandbox.paypal.com/v1/oauth2/token";
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client.DefaultRequestHeaders.Add("Accept", "application/json");
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client.DefaultRequestHeaders.Add("Accept-Language", "en_US");
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string oAuthCredentials = Convert.ToBase64String(Encoding.Default.GetBytes(Startup.PayPalSettings.ClientId + ":" + Startup.PayPalSettings.ClientSecret));
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var h_request = new HttpRequestMessage(HttpMethod.Post, uriString);
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h_request.Headers.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("Basic", oAuthCredentials);
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var keyValues = new List<KeyValuePair<string, string>>();
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keyValues.Add(new KeyValuePair<string, string>("grant_type", "client_credentials"));
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h_request.Content = new FormUrlEncodedContent(keyValues);
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using (var response = await client.SendAsync(h_request))
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{
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if (response.IsSuccessStatusCode)
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{
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var content = await response.Content.ReadAsStringAsync();
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Console.WriteLine(content);
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token = JsonConvert.DeserializeObject<PayPalOAuth2Token>(content);
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}
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else
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{
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throw new PayPalException($"{response.StatusCode}");
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}
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}
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}
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}
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return token?.access_token ?? null;
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//return PayPalCredential.GetAccessToken();
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}
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public class PaymentUrls
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{
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public string ReturnUrl { get; set; }
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public string CancelUrl { get; set; }
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public string CGVUrl { get; set; }
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}
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public static PaymentUrls GetPaymentUrls(this HttpRequest request, string controllerName, string id)
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{
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var result = new PaymentUrls
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{
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ReturnUrl = request.ToAbsolute($"{controllerName}/PaymentConfirmation/{id}"),
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CancelUrl = request.ToAbsolute($"{controllerName}/ClientCancel/{id}"),
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CGVUrl = request.ToAbsolute($"{controllerName}/CGV")
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};
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return result;
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}
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private static string MerchantUserId { get {
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return Startup.PayPalSettings.Accounts[0].ApiUsername;
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}}
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public static SetExpressCheckoutResponseType CreatePayment(this HttpRequest request, string controllerName, NominativeServiceCommand query, string intent = "sale", ILogger logger = null)
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{
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var items = query.GetBillItems();
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var total = items.Addition().ToString("F2");
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var queryType = query.GetType().Name;
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var coreq = new SetExpressCheckoutReq {};
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var urls = request.GetPaymentUrls(controllerName, query.Id.ToString());
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coreq.SetExpressCheckoutRequest = new SetExpressCheckoutRequestType{
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DetailLevel = new List<DetailLevelCodeType?> { DetailLevelCodeType.RETURNALL },
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SetExpressCheckoutRequestDetails = new SetExpressCheckoutRequestDetailsType
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{
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PaymentDetails = items.Select(i => new PaymentDetailsType{
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OrderTotal = new BasicAmountType {
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currencyID = CurrencyCodeType.EUR,
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value = (i.Count * i.UnitaryCost).ToString("F2")
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},
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OrderDescription = i.Description
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}).ToList(),
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InvoiceID = queryType + "/" + query.Id.ToString(),
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OrderDescription = query.Description, CancelURL = urls.CancelUrl, ReturnURL = urls.ReturnUrl
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}
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};
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var response = PayPalService.SetExpressCheckout( coreq, MerchantUserId );
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// transaction.item_list.shipping_address.city
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// country_code default_address id
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// line1 line2 preferred_address recipient_name state status type
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/* transaction.item_list = new ItemList();
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if (query.Client.PostalAddress!=null) {
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var address = query.Client.PostalAddress?.Address;
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if (address!=null) {
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var parts = new Stack<string> ( address.Split(',') );
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var country = parts.Pop().Trim();
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var city = parts.Pop().Trim().Split(' ');
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var line1 = parts.First().Trim();
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var line2 = string.Join(" - ",parts.Skip(1));
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transaction.item_list.shipping_address = new ShippingAddress {
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line1 = line1,
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line2 = line2,
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city = city[1],
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postal_code = city[0],
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country_code = country == "France" ? "fr" : country
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};
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}
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}
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transaction.item_list.shipping_phone_number = query.Client.PhoneNumber;
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var items = query.GetBillItems();
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transaction.item_list.items = items.Select(i => new Item {
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name = i.Name,
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description = i.Description,
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quantity = i.Count.ToString(),
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price = i.UnitaryCost.ToString("F2"),
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currency = "EUR",
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sku = "sku"
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// postback_data=
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// supplementary_data=
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}).ToList();
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*/
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return response;
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}
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public static async Task<PaymentInfo> GetCheckoutInfo(
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this ApplicationDbContext context,
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string token)
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{
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return await CreatePaymentViewModel(context,token,GetExpressCheckoutDetails(token));
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}
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private static GetExpressCheckoutDetailsResponseType GetExpressCheckoutDetails(string token)
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{
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GetExpressCheckoutDetailsReq req = new GetExpressCheckoutDetailsReq{
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GetExpressCheckoutDetailsRequest = new GetExpressCheckoutDetailsRequestType {
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Token = token
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}
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};
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return PayPalService.GetExpressCheckoutDetails(req,Startup.PayPalSettings.Accounts[0].ApiUsername);
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}
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public static async Task<PaymentInfo> ConfirmPayment(
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this ApplicationDbContext context,
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string userId,
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string payerId,
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string token)
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{
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var details = GetExpressCheckoutDetails(token);
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var payment = new PayPalPayment{
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ExecutorId = userId,
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PaypalPayerId = payerId,
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CreationToken = token
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};
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context.PayPalPayments.Add(payment);
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await context.SaveChangesAsync(userId);
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// GetCheckoutInfo(,token);
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return new PaymentInfo { DbContent = payment, DetailsFromPayPal = details };
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}
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public static async Task<PaymentInfo> CreatePaymentViewModel (
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this ApplicationDbContext context,
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string token, GetExpressCheckoutDetailsResponseType fromPayPal)
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{
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return new PaymentInfo {
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DbContent = await context.PayPalPayments
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.Include(p=>p.Executor)
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.SingleOrDefaultAsync(
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p=>p.CreationToken==token),
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DetailsFromPayPal = fromPayPal
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};
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}
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}
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}
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