using SqlSugar;

namespace MyHomePage.Api.Models.Entities;

/// <summary>实体基类：所有业务表都包含主键 + 时间戳</summary>
public abstract class BaseEntity
{
    /// <summary>主键（自增，使用 int 以兼容 SQLite + MySQL）</summary>
    [SugarColumn(IsPrimaryKey = true, IsIdentity = true)]
    public int Id { get; set; }

    /// <summary>创建时间（UTC）</summary>
    [SugarColumn(IsNullable = false)]
    public DateTime CreatedAt { get; set; } = DateTime.UtcNow;

    /// <summary>更新时间（UTC）</summary>
    [SugarColumn(IsNullable = false)]
    public DateTime UpdatedAt { get; set; } = DateTime.UtcNow;
}