Add example controller to catch webhook requests

samples/Mollie.WebApplication.Blazor/Api/PaymentController.cs

@@ -0,0 +1,27 @@
+using Microsoft.AspNetCore.Mvc;
+using Mollie.Api.Client.Abstract;
+using Mollie.Api.Models.Payment.Response;
+
+namespace Mollie.WebApplication.Blazor.Api;
+
+[ApiController]
+[Route("api/payment")]
+public class PaymentController : ControllerBase {
+    private readonly ILogger<PaymentController> _logger;
+    private readonly IPaymentClient _paymentClient;
+
+    public PaymentController(ILogger<PaymentController> logger, IPaymentClient paymentClient) {
+        _logger = logger;
+        _paymentClient = paymentClient;
+    }
+
+    [HttpPost]
+    public async Task<ActionResult> Webhook([FromForm] string id) {
+        PaymentResponse payment = await _paymentClient.GetPaymentAsync(id);
+        _logger.LogInformation("Webhook called for PaymentId={PaymentId}, PaymentStatus={Status}",
+            id,
+            payment.Status);
+
+        return Ok();
+    }
+}

samples/Mollie.WebApplication.Blazor/Models/Payment/CreatePaymentModel.cs

@@ -18,6 +18,9 @@ public class CreatePaymentModel {
     [Url]
     public required string RedirectUrl { get; set; }
 
+    [Url]
+    public string? WebhookUrl { get; set; }
+
     [Required]
     public required string Description { get; set; }
 

samples/Mollie.WebApplication.Blazor/Pages/Payment/Create.razor

@@ -45,6 +45,15 @@
         </InputText>
     </div>
 
+        <div class="form-group">
+            <label for="redirect-url">Webhook url</label>
+            <InputText
+                id="redirect-url"
+                class="form-control"
+                @bind-Value="_model.WebhookUrl">
+            </InputText>
+        </div>
+
     <div class="form-group">
         <label for="description">Description</label>
         <InputText
@@ -100,6 +109,7 @@
         Amount = 10.00m,
         Currency = "EUR",
         RedirectUrl = "https://www.mollie.com/",
+        WebhookUrl = null,
         Description = "A payment from the example application",
         SequenceType = SequenceType.OneOff
     };
@@ -111,6 +121,7 @@
             await PaymentClient.CreatePaymentAsync(new PaymentRequest {
                 Amount = new Amount(_model.Currency, _model.Amount),
                 RedirectUrl = _model.RedirectUrl,
+                WebhookUrl = _model.WebhookUrl,
                 Description = _model.Description,
                 CustomerId = _model.CustomerId,
                 SequenceType = _model.SequenceType,

samples/Mollie.WebApplication.Blazor/Program.cs

@@ -25,7 +25,7 @@
 app.UseStaticFiles();
 
 app.UseRouting();
-
+app.MapControllers();
 app.MapBlazorHub();
 app.MapFallbackToPage("/_Host");