Mail queues.

Wino.Core.Domain/Entities/Mail/MailItemQueue.cs

@@ -0,0 +1,19 @@
+using System;
+using SQLite;
+
+namespace Wino.Core.Domain.Entities.Mail;
+
+public class MailItemQueue
+{
+    [PrimaryKey]
+    public Guid Id { get; set; }
+    public Guid AccountId { get; set; }
+    public string RemoteServerId { get; set; }
+    public bool IsProcessed { get; set; }
+    public int FailedCount { get; set; }
+    public DateTime CreatedAt { get; set; }
+    public DateTime? ProcessedAt { get; set; }
+
+    public bool IsRecent() => (DateTime.UtcNow - CreatedAt).TotalDays <= 7;
+    public bool ShouldDelete() => IsProcessed || FailedCount >= 30;
+}