backend phase 11

server/src/Infrastructure/Baya.Infrastructure.Persistence/Services/Payments/NursePayoutStatusService.cs

@@ -0,0 +1,35 @@
+#nullable enable
+using Baya.Application.Contracts.Common;
+using Baya.Application.Contracts.Configuration;
+using Baya.Application.Contracts.Payments;
+using Microsoft.EntityFrameworkCore;
+using BookingEntity = Baya.Domain.Entities.Booking.Booking;
+
+namespace Baya.Infrastructure.Persistence.Services.Payments;
+
+/// <summary>
+/// The interim implementation of <see cref="INursePayoutStatus"/> until b13 ships <c>nurse_payouts</c> /
+/// <c>nurse_payout_booking_links</c>. It derives "already paid?" from the booking's dispute-window close — the
+/// exact gate b13 pays out on — so the pre-payout (clean reversal) path is the common one and the clawback path
+/// is the fallback. A <c>refund_assume_nurse_paid</c> config switch forces the paid answer for ops/testing. b13
+/// swaps this registration for the authoritative payout-link lookup.
+/// </summary>
+internal sealed class NursePayoutStatusService(
+    ApplicationDbContext dbContext,
+    IDateTimeProvider dateTimeProvider,
+    IPlatformConfig platformConfig) : INursePayoutStatus
+{
+    public async ValueTask<bool> IsNursePaidForBookingAsync(long bookingId, CancellationToken cancellationToken = default)
+    {
+        if (await platformConfig.GetConfig<bool>("refund_assume_nurse_paid", cancellationToken))
+            return true;
+
+        var now = dateTimeProvider.UtcNow.UtcDateTime;
+        var windowEnd = await dbContext.Set<BookingEntity>().AsNoTracking()
+            .Where(b => b.Id == bookingId)
+            .Select(b => b.DisputeWindowEndsAt)
+            .FirstOrDefaultAsync(cancellationToken);
+
+        return windowEnd is { } endsAt && endsAt <= now;
+    }
+}