✨ Last seen at

👔 Update register account validation

DysonNetwork.Sphere/Storage/Handlers/LastActiveFlushHandler.cs

@@ -0,0 +1,69 @@
+using EFCore.BulkExtensions;
+using Microsoft.EntityFrameworkCore;
+using NodaTime;
+using Quartz;
+
+namespace DysonNetwork.Sphere.Storage.Handlers;
+
+public class LastActiveInfo
+{
+    public Auth.Session Session { get; set; }
+    public Account.Account Account { get; set; }
+    public Instant SeenAt { get; set; }
+}
+
+public class LastActiveFlushHandler(IServiceProvider serviceProvider) : IFlushHandler<LastActiveInfo>
+{
+    public async Task FlushAsync(IReadOnlyList<LastActiveInfo> items)
+    {
+        using var scope = serviceProvider.CreateScope();
+        var db = scope.ServiceProvider.GetRequiredService<AppDatabase>();
+
+        // Remove duplicates by grouping on (sessionId, accountId), taking the most recent SeenAt
+        var distinctItems = items
+            .GroupBy(x => (SessionId: x.Session.Id, AccountId: x.Account.Id))
+            .Select(g => g.OrderByDescending(x => x.SeenAt).First())
+            .ToList();
+
+        // Build dictionaries so we can match session/account IDs to their new "last seen" timestamps
+        var sessionIdMap = distinctItems
+            .GroupBy(x => x.Session.Id)
+            .ToDictionary(g => g.Key, g => g.Last().SeenAt);
+
+        var accountIdMap = distinctItems
+            .GroupBy(x => x.Account.Id)
+            .ToDictionary(g => g.Key, g => g.Last().SeenAt);
+
+        // Load all sessions that need to be updated in one batch
+        var sessionsToUpdate = await db.AuthSessions
+            .Where(s => sessionIdMap.Keys.Contains(s.Id))
+            .ToListAsync();
+
+        // Update their LastGrantedAt
+        foreach (var session in sessionsToUpdate)
+            session.LastGrantedAt = sessionIdMap[session.Id];
+
+        // Bulk update sessions
+        await db.BulkUpdateAsync(sessionsToUpdate);
+
+        // Similarly, load account profiles in one batch
+        var accountProfilesToUpdate = await db.AccountProfiles
+            .Where(a => accountIdMap.Keys.Contains(a.AccountId))
+            .ToListAsync();
+
+        // Update their LastSeenAt
+        foreach (var profile in accountProfilesToUpdate)
+            profile.LastSeenAt = accountIdMap[profile.AccountId];
+
+        // Bulk update profiles
+        await db.BulkUpdateAsync(accountProfilesToUpdate);
+    }
+}
+
+public class LastActiveFlushJob(FlushBufferService fbs, ActionLogFlushHandler hdl) : IJob
+{
+    public async Task Execute(IJobExecutionContext context)
+    {
+        await fbs.FlushAsync(hdl);
+    }
+}