Initial project import

2026-07-24 23:11:20 +08:00
commit 6396eabb87
372 changed files with 49682 additions and 0 deletions
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+using MiaoJiZhang.Infrastructure.Persistence;
+using Microsoft.EntityFrameworkCore;
+
+namespace MiaoJiZhang.Api.Services;
+
+public class AccountClosureCleanupService(
+    IServiceScopeFactory scopeFactory,
+    ILogger<AccountClosureCleanupService> logger) : BackgroundService
+{
+    protected override async Task ExecuteAsync(
+        CancellationToken stoppingToken)
+    {
+        await Cleanup(stoppingToken);
+        using var timer = new PeriodicTimer(TimeSpan.FromHours(1));
+        while (await timer.WaitForNextTickAsync(stoppingToken))
+            await Cleanup(stoppingToken);
+    }
+
+    private async Task Cleanup(CancellationToken ct)
+    {
+        try
+        {
+            using var scope = scopeFactory.CreateScope();
+            var db = scope.ServiceProvider.GetRequiredService<AppDbContext>();
+            var eraser =
+                scope.ServiceProvider.GetRequiredService<AccountDataEraser>();
+            var ids = await db.Users
+                .Where(user =>
+                    user.AccountClosureScheduledAt.HasValue &&
+                    user.AccountClosureScheduledAt <= DateTime.UtcNow)
+                .Select(user => user.Id)
+                .ToListAsync(ct);
+            foreach (var userId in ids)
+            {
+                await eraser.EraseAsync(userId, ct);
+                logger.LogInformation(
+                    "Permanently removed account {UserId} after closure grace period",
+                    userId);
+            }
+        }
+        catch (OperationCanceledException) when (ct.IsCancellationRequested)
+        {
+        }
+        catch (Exception exception)
+        {
+            logger.LogError(exception, "Account closure cleanup failed");
+        }
+    }
+}
+