YD_Event.Admin/YD_Event.Core/Entities/Coupon.cs

using SqlSugar;
using System.ComponentModel.DataAnnotations;
using YD_Event.Core.Enum;

namespace YD_Event.Core.Entities;

/// <summary>
/// 优惠券
/// </summary>
[SugarTable("Coupon")]
public class Coupon : Entity<long>, ISoftDelete, ICreatedUserId, ICreatedTime, IUpdatedUserId, IUpdatedTime, IAvailability
{
    /// <summary>
    /// 优惠券名称
    /// </summary>
    [SugarColumn(ColumnDescription = "优惠券名称", Length = 64)]
    [Required, MaxLength(64)]
    public string Name { get; set; }

    /// <summary>
    /// 类型（0-折扣 1-定额）
    /// </summary>
    [SugarColumn(ColumnDescription = "类型（0-折扣 1-定额）")]
    public int Type { get; set; }

    /// <summary>
    /// 优惠值（折扣率或金额）
    /// </summary>
    [SugarColumn(ColumnDescription = "优惠值", DecimalDigits = 2)]
    public decimal Value { get; set; }

    /// <summary>
    /// 有效期开始时间
    /// </summary>
    [SugarColumn(ColumnDescription = "有效期开始时间", IsNullable = true)]
    public DateTime? StartTime { get; set; }

    /// <summary>
    /// 有效期结束时间
    /// </summary>
    [SugarColumn(ColumnDescription = "有效期结束时间", IsNullable = true)]
    public DateTime? EndTime { get; set; }

    /// <summary>
    /// 可用赛事ID集合（逗号分隔）
    /// </summary>
    [SugarColumn(ColumnDescription = "可用赛事ID集合", Length = 500, IsNullable = true)]
    public string EventIds { get; set; }

    /// <summary>
    /// 总数量（库存）
    /// </summary>
    [SugarColumn(ColumnDescription = "总数量", DefaultValue = "0")]
    public int TotalQuantity { get; set; }

    /// <summary>
    /// 已领取数量
    /// </summary>
    [SugarColumn(ColumnDescription = "已领取数量", DefaultValue = "0")]
    public int ClaimedQuantity { get; set; }

    /// <summary>
    /// 已使用数量
    /// </summary>
    [SugarColumn(ColumnDescription = "已使用数量", DefaultValue = "0")]
    public int UsedQuantity { get; set; }

    /// <summary>
    /// 状态（0-正常 1-停用）
    /// </summary>
    [SugarColumn(ColumnDescription = "状态", DefaultValue = "0")]
    public AvailabilityStatus Status { get; set; }

    /// <summary>
    /// 备注
    /// </summary>
    [SugarColumn(ColumnDescription = "备注", Length = 256, IsNullable = true)]
    public string Remark { get; set; }

    /// <summary>
    /// 删除标志
    /// </summary>
    public bool DeleteMark { get; set; }

    /// <summary>
    /// 创建人Id
    /// </summary>
    public long CreatedUserId { get; set; }

    /// <summary>
    /// 创建时间
    /// </summary>
    public DateTime CreatedTime { get; set; }

    /// <summary>
    /// 更新人Id
    /// </summary>
    public long? UpdatedUserId { get; set; }

    /// <summary>
    /// 更新时间
    /// </summary>
    public DateTime? UpdatedTime { get; set; }
}