From 1e27819386e419cb5f29d551f656b37f7a3e1d65 Mon Sep 17 00:00:00 2001
From: Niek Otten <not@respellion.nl>
Date: Thu, 23 Jul 2026 11:55:08 +0200
Subject: [PATCH] feat(domain): HerregistratieReminderSweep reminds + persists
 due inscriptions (refs #18)

refs #18
---
 .../HerregistratieReminderSweep.cs               | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/services/domain/Big.Application/HerregistratieReminderSweep.cs b/services/domain/Big.Application/HerregistratieReminderSweep.cs
index ddc3d82..626b8e8 100644
--- a/services/domain/Big.Application/HerregistratieReminderSweep.cs
+++ b/services/domain/Big.Application/HerregistratieReminderSweep.cs
@@ -13,6 +13,18 @@ namespace Big.Application;
 /// </summary>
 public sealed class HerregistratieReminderSweep(IRegistrationStore store, TimeProvider clock)
 {
-    public Task<IReadOnlyList<RegistrationId>> SweepAsync(CancellationToken ct = default)
-        => Task.FromResult<IReadOnlyList<RegistrationId>>([]); // RED stub
+    public async Task<IReadOnlyList<RegistrationId>> SweepAsync(CancellationToken ct = default)
+    {
+        var due = await store.FindDueForHerregistratieReminderAsync(clock.GetUtcNow(), ct);
+
+        var reminded = new List<RegistrationId>(due.Count);
+        foreach (var registration in due)
+        {
+            registration.MarkHerregistratieReminderVerstuurd();
+            await store.SaveAsync(registration, ct);
+            reminded.Add(registration.Id);
+        }
+
+        return reminded;
+    }
 }