49 lines
1.7 KiB
C#
49 lines
1.7 KiB
C#
using Microsoft.EntityFrameworkCore;
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using System.ComponentModel.DataAnnotations;
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using System.ComponentModel.DataAnnotations.Schema;
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namespace FileShare_EFCore.Models
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{
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/// <summary>
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/// 文件缩略图映射记录，存储视频缩略图的文件路径与内容类型。
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/// </summary>
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[Comment("文件缩略图映射记录")]
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[Table("managed-thumbnail-map")]
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public class ManagedThumbnailMap
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{
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/// <summary>主键 ID。</summary>
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[Key]
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[Column("id")]
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[DatabaseGenerated(DatabaseGeneratedOption.Identity)]
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public int Id { get; set; }
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/// <summary>所属根目录 ID。</summary>
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[Column("library-root-id")]
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public int LibraryRootId { get; set; }
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/// <summary>缩略图相对于缩略图存储根目录的路径。</summary>
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[Column("relative-path")]
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[MaxLength(1024)]
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public string RelativePath { get; set; } = string.Empty;
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/// <summary>缩略图的 MIME 类型。</summary>
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[Column("content-type")]
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[MaxLength(100)]
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public string ContentType { get; set; } = "image/jpeg";
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/// <summary>创建时间 UTC。</summary>
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[Column("created-at")]
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public DateTime CreatedAt { get; set; } = DateTime.UtcNow;
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/// <summary>更新时间 UTC。</summary>
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[Column("updated-at")]
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public DateTime UpdatedAt { get; set; } = DateTime.UtcNow;
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/// <summary>所属根目录。</summary>
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public ManagedLibraryRoot? LibraryRoot { get; set; }
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/// <summary>引用了此缩略图的文件记录。</summary>
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public List<ManagedFileRecord> Files { get; set; } = new();
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}
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}
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