CVDEMCS/CVDEMCS/Services/Repositories/Entities/BaseEntity/CUDBaseEntity.cs

using Microsoft.EntityFrameworkCore;
using System.ComponentModel.DataAnnotations.Schema;
using System.ComponentModel.DataAnnotations;
using Masuit.Tools.Systems;

namespace CVDEMCS.Services.Repositories.Entities.BaseEntity
{
    public abstract class BaseEntity
    {
        [Key]
        [Column("id")]
        [StringLength(64)]
        public string Id { get; set; }
    }

    public abstract class CUBaseEntity : BaseEntity
    {

        /// <summary>
        /// 创建者
        /// </summary>
        [Column("create_by")]
        [StringLength(32)]
        [MySqlCollation("utf8mb4_bin")]
        public string CreateBy { get; set; }

        /// <summary>
        /// 创建时间
        /// </summary>
        [Column("create_at", TypeName = "datetime")]
        public DateTime? CreateAt { get; set; }

        /// <summary>
        /// 修改者
        /// </summary>
        [Column("update_by")]
        [StringLength(32)]
        [MySqlCollation("utf8mb4_bin")]
        public string UpdateBy { get; set; }

        /// <summary>
        /// 修改时间
        /// </summary>
        [Column("update_at", TypeName = "datetime")]
        public DateTime? UpdateAt { get; set; }

        public void Update() 
        {
            UpdateAt = DateTime.Now;
            UpdateBy = "1";
        }

        public void Create() 
        {
            Id = SnowFlakeNew.LongId.ToString();
            CreateAt = DateTime.Now;
            CreateBy = "1";
            Update();
        }
    }

    public abstract class CUDBaseEntity: CUBaseEntity
    {

        /// <summary>
        /// 删除者
        /// </summary>
        [Column("delete_by")]
        [StringLength(32)]
        [MySqlCollation("utf8mb4_bin")]
        public string DeleteBy { get; set; }

        /// <summary>
        /// 删除时间
        /// </summary>
        [Column("delete_at", TypeName = "datetime")]
        public DateTime? DeleteAt { get; set; }

        /// <summary>
        /// 是否删除
        /// </summary>
        [Column("is_delete", TypeName = "bit(1)")]
        public bool IsDelete { get; set; }

        public void Delete() 
        {
            DeleteAt = DateTime.Now;
            DeleteBy = "1";
            IsDelete = true;
        }
    }
}