using SqlSugar;

namespace MyHomePage.Api.Models.Entities;

/// <summary>同步日志：每次增删改都写一条，前端通过 since=timestamp 拉取增量</summary>
[SugarTable("sync_log")]
public class SyncLog
{
    [SugarColumn(IsPrimaryKey = true, IsIdentity = true)]
    public int Id { get; set; }

    /// <summary>实体类型：category | bookmark | search_engine | setting</summary>
    [SugarColumn(Length = 32, IsNullable = false, IndexGroupNameList = new[] { "idx_synclog_type" })]
    public string EntityType { get; set; } = string.Empty;

    /// <summary>实体 ID</summary>
    [SugarColumn(IsNullable = false, IndexGroupNameList = new[] { "idx_synclog_type" })]
    public int EntityId { get; set; }

    /// <summary>操作：create | update | delete</summary>
    [SugarColumn(Length = 16, IsNullable = false)]
    public string Operation { get; set; } = "update";

    /// <summary>变更时间（UTC）</summary>
    [SugarColumn(IsNullable = false)]
    public DateTime Timestamp { get; set; } = DateTime.UtcNow;
}