Add 'backend/' from commit '040cfd7a75423d4e6136e58a67b40579af4ee966'

git-subtree-dir: backend
git-subtree-mainline: ab911955ed
git-subtree-split: 040cfd7a75

backend/src/Web/Features/Memberships/Handlers/SendTip.cs

@@ -0,0 +1,87 @@
+using Hutopy.Web.Common.Security;
+using Hutopy.Web.Features.Memberships.Data;
+using Hutopy.Web.Features.Memberships.Infrastructure;
+
+namespace Hutopy.Web.Features.Memberships.Handlers;
+
+[PublicAPI]
+public record SendTipRequest(
+    Guid CreatorId,
+    decimal Amount,
+    string Currency,
+    string Message,
+    string CheckoutSuccessUrl,
+    string CheckoutCancelledUrl);
+
+[PublicAPI]
+public record SendTipResponse(
+    string Status,
+    string StripeCheckoutUrl);
+
+[PublicAPI]
+public class SendTipRequestValidator : Validator<SendTipRequest>
+{
+    public SendTipRequestValidator()
+    {
+        RuleFor(x => x.Amount)
+            .GreaterThan(0)
+            .WithMessage("Tip amount must be greater than 0");
+
+        RuleFor(x => x.CreatorId)
+            .NotEmpty()
+            .WithMessage("Creator ID is required");
+
+        RuleFor(x => x.CheckoutSuccessUrl)
+            .NotEmpty()
+            .WithMessage("CheckoutSuccessUrl is required");
+
+        RuleFor(x => x.CheckoutCancelledUrl)
+            .NotEmpty()
+            .WithMessage("CheckoutCancelledUrl is required");
+    }
+}
+
+[PublicAPI]
+public class SendTipHandler(
+    MembershipDbContext dbContext,
+    StripeService stripeService)
+    : Endpoint<SendTipRequest, SendTipResponse>
+{
+    public override void Configure()
+    {
+        Post("/api/tips");
+        Options(o => o.WithTags("Memberships"));
+
+        AllowAnonymous();
+    }
+
+    public override async Task HandleAsync(
+        SendTipRequest req,
+        CancellationToken ct)
+    {
+        var creator = await dbContext.Creators.FindAsync(
+            [req.CreatorId],
+            cancellationToken: ct);
+
+        if (creator == null)
+        {
+            await SendNotFoundAsync(ct);
+            return;
+        }
+
+        var checkoutSession = await stripeService.CreateTipCheckoutSessionAsync(
+            creator.Id,
+            creator.Name,
+            req.Amount,
+            req.Currency,
+            req.Message,
+            creator.StripeAccountId,
+            req.CheckoutSuccessUrl,
+            req.CheckoutCancelledUrl
+            );
+
+        await SendAsync(
+            new SendTipResponse("Pending", checkoutSession.Url),
+            cancellation: ct);
+    }
+}