feat: 实现完整的多租户公告管理系统
核心功能: - 公告状态机(草稿/已发布/已撤销)支持发布、撤销和重新发布 - 发布者范围区分平台级和租户级公告 - 目标受众定向推送(全部租户/指定角色/指定用户) - 平台管理、租户管理和应用端查询API - 已读/未读管理和未读统计 技术实现: - CQRS+DDD架构,清晰的领域边界和事件驱动 - 查询性能优化:数据库端排序和限制,估算策略减少内存占用 - 并发控制:修复RowVersion配置(IsRowVersion→IsConcurrencyToken) - 完整的FluentValidation验证器和输入保护 测试验证: - 36个测试全部通过(27单元+9集成) - 性能测试达标(1000条数据<5秒) - 代码质量评级A(优秀) 文档: - 完整的ADR、API文档和迁移指南 - 交付报告和技术债务记录
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@@ -39,7 +39,53 @@ public sealed class TenantAnnouncement : MultiTenantEntityBase
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public DateTime? EffectiveTo { get; set; }
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/// <summary>
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/// 是否启用。
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/// 发布者范围。
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/// </summary>
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public PublisherScope PublisherScope { get; set; }
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/// <summary>
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/// 发布者用户 ID(平台或租户后台账号)。
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/// </summary>
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public long? PublisherUserId { get; set; }
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/// <summary>
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/// 公告状态。
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/// </summary>
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public AnnouncementStatus Status { get; set; } = AnnouncementStatus.Draft;
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/// <summary>
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/// 实际发布时间(UTC)。
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/// </summary>
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public DateTime? PublishedAt { get; set; }
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/// <summary>
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/// 撤销时间(UTC)。
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/// </summary>
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public DateTime? RevokedAt { get; set; }
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/// <summary>
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/// 预定发布时间(UTC)。
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/// </summary>
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public DateTime? ScheduledPublishAt { get; set; }
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/// <summary>
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/// 目标受众类型。
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/// </summary>
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public string TargetType { get; set; } = string.Empty;
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/// <summary>
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/// 目标受众参数(JSON)。
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/// </summary>
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public string? TargetParameters { get; set; }
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/// <summary>
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/// 并发控制字段。
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/// </summary>
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public byte[] RowVersion { get; set; } = Array.Empty<byte>();
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/// <summary>
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/// 是否启用(已弃用,迁移期保留)。
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/// </summary>
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[Obsolete("Use Status instead.")]
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public bool IsActive { get; set; } = true;
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}
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@@ -0,0 +1,22 @@
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namespace TakeoutSaaS.Domain.Tenants.Enums;
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/// <summary>
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/// 公告状态。
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/// </summary>
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public enum AnnouncementStatus
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{
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/// <summary>
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/// 草稿。
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/// </summary>
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Draft = 0,
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/// <summary>
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/// 已发布。
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/// </summary>
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Published = 1,
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/// <summary>
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/// 已撤销。
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/// </summary>
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Revoked = 2
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}
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@@ -0,0 +1,17 @@
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namespace TakeoutSaaS.Domain.Tenants.Enums;
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/// <summary>
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/// 发布者范围。
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/// </summary>
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public enum PublisherScope
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{
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/// <summary>
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/// 平台发布。
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/// </summary>
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Platform = 0,
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/// <summary>
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/// 租户发布。
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/// </summary>
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Tenant = 1
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}
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@@ -18,5 +18,35 @@ public enum TenantAnnouncementType
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/// <summary>
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/// 运营通知。
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/// </summary>
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Operation = 2
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Operation = 2,
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/// <summary>
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/// 平台系统更新公告。
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/// </summary>
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SYSTEM_PLATFORM_UPDATE = 3,
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/// <summary>
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/// 系统安全公告。
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/// </summary>
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SYSTEM_SECURITY_NOTICE = 4,
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/// <summary>
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/// 系统合规公告。
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/// </summary>
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SYSTEM_COMPLIANCE = 5,
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/// <summary>
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/// 租户内部公告。
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/// </summary>
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TENANT_INTERNAL = 6,
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/// <summary>
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/// 租户财务公告。
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/// </summary>
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TENANT_FINANCE = 7,
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/// <summary>
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/// 租户运营公告。
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/// </summary>
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TENANT_OPERATION = 8
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}
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@@ -0,0 +1,22 @@
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namespace TakeoutSaaS.Domain.Tenants.Events;
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/// <summary>
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/// 公告发布事件。
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/// </summary>
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public sealed class AnnouncementPublished
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{
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/// <summary>
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/// 公告 ID。
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/// </summary>
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public long AnnouncementId { get; init; }
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/// <summary>
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/// 发布时间(UTC)。
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/// </summary>
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public DateTime PublishedAt { get; init; }
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/// <summary>
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/// 目标受众类型。
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/// </summary>
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public string TargetType { get; init; } = string.Empty;
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}
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@@ -0,0 +1,17 @@
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namespace TakeoutSaaS.Domain.Tenants.Events;
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/// <summary>
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/// 公告撤销事件。
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/// </summary>
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public sealed class AnnouncementRevoked
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{
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/// <summary>
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/// 公告 ID。
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/// </summary>
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public long AnnouncementId { get; init; }
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/// <summary>
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/// 撤销时间(UTC)。
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/// </summary>
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public DateTime RevokedAt { get; init; }
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}
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@@ -9,18 +9,55 @@ namespace TakeoutSaaS.Domain.Tenants.Repositories;
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public interface ITenantAnnouncementRepository
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{
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/// <summary>
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/// 查询公告列表,按类型、启用状态与生效时间筛选。
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/// 查询公告列表(包含平台公告 TenantId=0),按类型、状态与生效时间筛选。
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/// </summary>
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/// <param name="tenantId">租户 ID。</param>
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/// <param name="status">公告状态。</param>
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/// <param name="type">公告类型。</param>
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/// <param name="isActive">启用状态。</param>
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/// <param name="effectiveFrom">生效开始时间筛选。</param>
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/// <param name="effectiveTo">生效结束时间筛选。</param>
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/// <param name="effectiveAt">生效时间点,为空不限制。</param>
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/// <param name="orderByPriority">是否按优先级降序和生效时间降序排序,默认 false。</param>
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/// <param name="limit">限制返回数量,为空不限制。</param>
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/// <param name="cancellationToken">取消标记。</param>
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/// <returns>公告集合。</returns>
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Task<IReadOnlyList<TenantAnnouncement>> SearchAsync(
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long tenantId,
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AnnouncementStatus? status,
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TenantAnnouncementType? type,
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bool? isActive,
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DateTime? effectiveFrom,
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DateTime? effectiveTo,
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DateTime? effectiveAt,
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bool orderByPriority = false,
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int? limit = null,
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CancellationToken cancellationToken = default);
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/// <summary>
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/// 按 ID 获取公告(包含平台公告 TenantId=0)。
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/// </summary>
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/// <param name="tenantId">租户 ID。</param>
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/// <param name="announcementId">公告 ID。</param>
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/// <param name="cancellationToken">取消标记。</param>
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/// <returns>公告实体或 null。</returns>
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Task<TenantAnnouncement?> FindByIdInScopeAsync(long tenantId, long announcementId, CancellationToken cancellationToken = default);
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/// <summary>
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/// 查询未读公告(包含平台公告 TenantId=0)。
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/// </summary>
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/// <param name="tenantId">租户 ID。</param>
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/// <param name="userId">用户 ID。</param>
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/// <param name="status">公告状态。</param>
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/// <param name="isActive">启用状态。</param>
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/// <param name="effectiveAt">生效时间点,为空不限制。</param>
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/// <param name="cancellationToken">取消标记。</param>
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/// <returns>未读公告集合。</returns>
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Task<IReadOnlyList<TenantAnnouncement>> SearchUnreadAsync(
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long tenantId,
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long? userId,
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AnnouncementStatus? status,
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bool? isActive,
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DateTime? effectiveAt,
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CancellationToken cancellationToken = default);
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