using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;
using Microsoft.EntityFrameworkCore;

namespace IM_API.Models;

[Table("files")]
[Index("Messageld", Name = "Messageld")]
[MySqlCharSet("utf8mb4")]
[MySqlCollation("utf8mb4_general_ci")]
public partial class File
{
    [Key]
    [Column("ID", TypeName = "int(11)")]
    public int Id { get; set; }

    /// <summary>
    /// 文件名	
    /// </summary>
    [StringLength(50)]
    public string Name { get; set; } = null!;

    /// <summary>
    /// 文件储存URL	
    /// </summary>
    [Column("URL")]
    [StringLength(100)]
    public string Url { get; set; } = null!;

    /// <summary>
    /// 文件大小（单位：KB）	
    /// </summary>
    [Column(TypeName = "int(11)")]
    public int Size { get; set; }

    /// <summary>
    /// 文件类型	
    /// </summary>
    [StringLength(10)]
    public string Type { get; set; } = null!;

    /// <summary>
    /// 关联消息ID	
    /// </summary>
    [Column(TypeName = "int(11)")]
    public int Messageld { get; set; }

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

    [ForeignKey("Messageld")]
    [InverseProperty("Files")]
    public virtual Message MessageldNavigation { get; set; } = null!;
}