Implement paypal flow

apps/public-web/src/EShopOnAbp.PublicWeb/EShopOnAbp.PublicWeb.csproj

@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk.Web">
+<Project Sdk="Microsoft.NET.Sdk.Web">
 
     <PropertyGroup>
         <TargetFramework>net6.0</TargetFramework>
@@ -6,6 +6,7 @@
     
     <ItemGroup>
         <PackageReference Include="Microsoft.AspNetCore.DataProtection.StackExchangeRedis" Version="6.0.0" />
+        <PackageReference Include="Volo.Abp.AutoMapper" Version="5.0.0" />
         <PackageReference Include="Yarp.ReverseProxy" Version="1.0.0" />
     </ItemGroup>
 
@@ -26,6 +27,8 @@
         <ProjectReference Include="..\..\..\..\shared\EShopOnAbp.Shared.Localization\EShopOnAbp.Shared.Localization.csproj" />
         <ProjectReference Include="..\..\..\..\services\catalog\src\EShopOnAbp.CatalogService.HttpApi.Client\EShopOnAbp.CatalogService.HttpApi.Client.csproj" />
         <ProjectReference Include="..\..\..\..\services\basket\src\EShopOnAbp.BasketService.HttpApi.Client\EShopOnAbp.BasketService.HttpApi.Client.csproj" />
+        <ProjectReference Include="..\..\..\..\services\payment\src\EShopOnAbp.PaymentService.Application.Contracts\EShopOnAbp.PaymentService.Application.Contracts.csproj" />
+
         <!--        <ProjectReference Include="..\..\..\..\services\product\src\MyCompanyName.MyProjectName.ProductService.HttpApi.Client\MyCompanyName.MyProjectName.ProductService.HttpApi.Client.csproj" />-->
     </ItemGroup>
     

apps/public-web/src/EShopOnAbp.PublicWeb/EShopOnAbpPaymentConsts.cs

@@ -0,0 +1,7 @@
+namespace EShopOnAbp.PublicWeb
+{
+    public static class EShopOnAbpPaymentConsts
+    {
+        public const string Currency = "USD";
+    }
+}

apps/public-web/src/EShopOnAbp.PublicWeb/EShopOnAbpPublicAutoMapperProfile.cs

@@ -0,0 +1,18 @@
+using AutoMapper;
+using EShopOnAbp.BasketService;
+using EShopOnAbp.PaymentService;
+
+namespace EShopOnAbp.PublicWeb
+{
+    public class EShopOnAbpPublicAutoMapperProfile : Profile
+    {
+        public EShopOnAbpPublicAutoMapperProfile()
+        {
+            CreateMap<BasketItemDto, PaymentRequestProductCreationDto>()
+                .ForMember(p => p.ReferenceId, opts => opts.MapFrom(p => p.ProductId.ToString()))
+                .ForMember(p => p.Name, opts => opts.MapFrom(p => p.ProductName))
+                .ForMember(p => p.UnitPrice, opts => opts.MapFrom(p => p.TotalPrice / p.Count))
+                .ForMember(p => p.Quantity, opts => opts.MapFrom(p => p.Count));
+        }
+    }
+}

apps/public-web/src/EShopOnAbp.PublicWeb/EShopOnAbpPublicWebModule.cs

@@ -22,6 +22,7 @@ using Volo.Abp.AspNetCore.Mvc.UI.Theme.Basic;
 using Volo.Abp.AspNetCore.Mvc.UI.Theme.Shared;
 using Volo.Abp.AspNetCore.Mvc.UI.Theme.Shared.Toolbars;
 using Volo.Abp.AspNetCore.SignalR;
+using Volo.Abp.AutoMapper;
 using Volo.Abp.Caching;
 using Volo.Abp.Caching.StackExchangeRedis;
 using Volo.Abp.EventBus.RabbitMq;
@@ -68,6 +69,12 @@ namespace EShopOnAbp.PublicWeb
             var hostingEnvironment = context.Services.GetHostingEnvironment();
             var configuration = context.Services.GetConfiguration();
 
+            context.Services.AddAutoMapperObjectMapper<EShopOnAbpPublicWebModule>();
+            Configure<AbpAutoMapperOptions>(options =>
+            {
+                options.AddMaps<EShopOnAbpPublicWebModule>(validate: true);
+            });
+
             Configure<AbpMultiTenancyOptions>(options =>
             {
                 options.IsEnabled = true;
@@ -83,6 +90,11 @@ namespace EShopOnAbp.PublicWeb
                 options.Applications["MVC"].RootUrl = configuration["App:SelfUrl"];
             });
 
+            Configure<EShopOnAbpPublicWebPaymentOptions>(options =>
+            {
+                options.PaymentSuccessfulCallbackUrl = configuration["App:SelfUrl"].EnsureEndsWith('/') + "PaymentCompleted";
+            });
+
             context.Services.AddAuthentication(options =>
                 {
                     options.DefaultScheme = "Cookies";

apps/public-web/src/EShopOnAbp.PublicWeb/EShopOnAbpPublicWebPaymentOptions.cs

@@ -0,0 +1,8 @@
+namespace EShopOnAbp.PublicWeb
+{
+    public class EShopOnAbpPublicWebPaymentOptions
+    {
+        public string PaymentSuccessfulCallbackUrl { get; set; }
+        public string PaymentFailureCallbackUrl { get; set; }
+    }
+}

apps/public-web/src/EShopOnAbp.PublicWeb/Pages/Payment.cshtml.cs

@@ -1,30 +1,59 @@
-using System.Threading.Tasks;
-using EShopOnAbp.BasketService;
+using EShopOnAbp.BasketService;
+using EShopOnAbp.PaymentService;
+using EShopOnAbp.PaymentService.PaymentRequests;
+using EShopOnAbp.PublicWeb.Basket;
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Options;
+using System.Collections.Generic;
+using System.Threading.Tasks;
 using Volo.Abp.AspNetCore.Mvc.UI.RazorPages;
+using Volo.Abp.Users;
 
 namespace EShopOnAbp.PublicWeb.Pages;
 
 [Authorize]
 public class PaymentModel : AbpPageModel
 {
-    private readonly IBasketAppService _basketAppService;
+    private readonly IPaymentRequestAppService _paymentRequestAppService;
+    private readonly UserBasketProvider _userBasketProvider;
+    private readonly EShopOnAbpPublicWebPaymentOptions _publicWebPaymentOptions;
 
-    public PaymentModel(IBasketAppService basketAppService)
+    public PaymentModel(
+        IPaymentRequestAppService paymentRequestAppService,
+        UserBasketProvider userBasketProvider,
+        IOptions<EShopOnAbpPublicWebPaymentOptions> publicWebPaymentOptions)
     {
-        _basketAppService = basketAppService;
+        _paymentRequestAppService = paymentRequestAppService;
+        _userBasketProvider = userBasketProvider;
+        _publicWebPaymentOptions = publicWebPaymentOptions.Value;
     }
 
     public void OnGet()
     {
     }
+
     public async Task<IActionResult> OnPostAsync()
     {
         Logger.LogInformation("Payment Proceeded...");
-        await _basketAppService.PurchaseAsync();
 
-        return RedirectToPage("PaymentCompleted");
+        var basket = await _userBasketProvider.GetBasketAsync();
+
+        var paymentRequest = await _paymentRequestAppService.CreateAsync(new PaymentRequestCreationDto
+        {
+            BuyerId = CurrentUser.GetId().ToString(),
+            Currency = EShopOnAbpPaymentConsts.Currency,
+            Products = ObjectMapper.Map<List<BasketItemDto>, List<PaymentRequestProductCreationDto>>(basket.Items)
+        });
+
+        var response = await _paymentRequestAppService.StartAsync(new PaymentRequestStartDto
+        {
+            ReturnUrl = _publicWebPaymentOptions.PaymentSuccessfulCallbackUrl,
+            PaymentRequestId = paymentRequest.Id,
+            CancelUrl = _publicWebPaymentOptions.PaymentFailureCallbackUrl,
+        });
+
+        return Redirect(response.CheckoutLink);
     }
 }