feat: 租户账单公告通知接口

src/Application/TakeoutSaaS.Application/App/Tenants/TenantMapping.cs

@@ -91,4 +91,49 @@ internal static class TenantMapping
             FeaturePoliciesJson = package.FeaturePoliciesJson,
             IsActive = package.IsActive
         };
+
+    public static TenantBillingDto ToDto(this TenantBillingStatement bill)
+        => new()
+        {
+            Id = bill.Id,
+            TenantId = bill.TenantId,
+            StatementNo = bill.StatementNo,
+            PeriodStart = bill.PeriodStart,
+            PeriodEnd = bill.PeriodEnd,
+            AmountDue = bill.AmountDue,
+            AmountPaid = bill.AmountPaid,
+            Status = bill.Status,
+            DueDate = bill.DueDate,
+            LineItemsJson = bill.LineItemsJson
+        };
+
+    public static TenantAnnouncementDto ToDto(this TenantAnnouncement announcement, bool isRead, DateTime? readAt)
+        => new()
+        {
+            Id = announcement.Id,
+            TenantId = announcement.TenantId,
+            Title = announcement.Title,
+            Content = announcement.Content,
+            AnnouncementType = announcement.AnnouncementType,
+            Priority = announcement.Priority,
+            EffectiveFrom = announcement.EffectiveFrom,
+            EffectiveTo = announcement.EffectiveTo,
+            IsActive = announcement.IsActive,
+            IsRead = isRead,
+            ReadAt = readAt
+        };
+
+    public static TenantNotificationDto ToDto(this TenantNotification notification)
+        => new()
+        {
+            Id = notification.Id,
+            TenantId = notification.TenantId,
+            Title = notification.Title,
+            Message = notification.Message,
+            Channel = notification.Channel,
+            Severity = notification.Severity,
+            SentAt = notification.SentAt,
+            ReadAt = notification.ReadAt,
+            MetadataJson = notification.MetadataJson
+        };
 }