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FATrace.Model/DownloadTask.cs
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90
FATrace.Model/DownloadTask.cs
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using FreeSql.DataAnnotations;
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namespace FATrace.Model
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{
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/// <summary>
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/// 下载任务实体(持久化队列项)。
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/// 表示一条从海康 NVR 下载视频的计划与执行状态。
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/// </summary>
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[Table(Name = "DownloadTask")]
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public class DownloadTask
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{
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/// <summary>
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/// 自增主键。
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/// </summary>
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[Column(IsPrimary = true, IsIdentity = true)]
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public long Id { get; set; }
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/// <summary>
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/// 业务条码/编号(用于与 OEMRawUse/VideoAction 关联)。
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/// </summary>
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[Column(StringLength = 100, IsNullable = false)]
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public string? Code { get; set; }
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/// <summary>
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/// 原料名称。
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/// </summary>
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[Column(StringLength = 100, IsNullable = false)]
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public string? RawName { get; set; }
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/// <summary>
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/// 操作用户标识。
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/// </summary>
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[Column(StringLength = 100, IsNullable = false)]
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public string? User { get; set; }
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/// <summary>
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/// 任务状态:Pending/Running/Completed/Failed/Canceled。
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/// </summary>
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[Column(IsNullable = false)]
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public TaskStatus Status { get; set; } = TaskStatus.Pending;
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/// <summary>
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/// 下载进度 0-100。
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/// </summary>
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[Column(IsNullable = false)]
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public short Progress { get; set; } = 0;
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/// <summary>
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/// 目标视频保存路径(生成的本地文件全路径)。
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/// </summary>
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[Column(StringLength = 200)]
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public string? VideoFilePath { get; set; }
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/// <summary>
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/// 失败时的错误信息。
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/// </summary>
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[Column(StringLength = 500)]
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public string? Error { get; set; }
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/// <summary>
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/// 已尝试次数(每次 Running 前加一)。
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/// </summary>
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[Column(IsNullable = false)]
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public int TryCount { get; set; } = 0;
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/// <summary>
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/// NVR 下载的开始时间(默认当前时间 - 5 分钟)。
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/// </summary>
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[Column(IsNullable = false)]
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public DateTime NvrStartTime { get; set; }
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/// <summary>
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/// NVR 下载的结束时间(默认当前时间)。
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/// </summary>
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[Column(IsNullable = false)]
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public DateTime NvrEndTime { get; set; }
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/// <summary>
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/// 创建时间。
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/// </summary>
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[Column(ServerTime = DateTimeKind.Local, CanUpdate = true)]
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public DateTime CreateTime { get; set; }
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/// <summary>
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/// 最近一次更新时间。
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/// </summary>
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[Column(ServerTime = DateTimeKind.Local, CanUpdate = true)]
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public DateTime UpdateTime { get; set; }
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}
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}
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