FileAggregateRoot.cs
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using SqlSugar;
using Volo.Abp.Auditing;
using Volo.Abp.Data;
using Volo.Abp.Domain.Entities;
using Yi.Framework.Core.Enums;
using Yi.Framework.Core.Helper;
namespace Yi.Framework.Rbac.Domain.Entities
{
[SugarTable("File")]
public class FileAggregateRoot : AggregateRoot<Guid>, IAuditedObject
{
public FileAggregateRoot()
{
}
/// <summary>
/// 创建文件
/// </summary>
/// <param name="fileId">文件标识id</param>
/// <param name="fileName">文件名</param>
/// <param name="fileSize">文件大小</param>
public FileAggregateRoot(Guid fileId, string fileName, decimal fileSize)
{
this.Id = fileId;
this.FileSize = fileSize;
this.FileName = fileName;
var type = GetFileType();
var savePath = GetSaveFilePath();
this.FilePath = savePath;
}
/// <summary>
/// 检测目录是否存在，不存在便创建
/// </summary>
public void CheckDirectoryOrCreate()
{
var savePath = GetSaveDirPath();
if (!Directory.Exists(savePath))
{
Directory.CreateDirectory(savePath);
}
}
/// <summary>
/// 文件类型
/// </summary>
/// <returns></returns>
public FileTypeEnum GetFileType()
{
return MimeHelper.GetFileType(this.FileName);
}
/// <summary>
/// 获取文件mime
/// </summary>
/// <returns></returns>
public string GetMimeMapping()
{
return MimeHelper.GetMimeMapping(this.FileName)??@"text/plain";
}
/// <summary>
/// 落库目录路径
/// </summary>
/// <returns></returns>
public string GetSaveDirPath()
{
return $"wwwroot/{GetFileType()}";
}
/// <summary>
/// 落库文件路径
/// </summary>
/// <returns></returns>
public string GetSaveFilePath()
{
string savefileName = GetSaveFileName();
return Path.Combine(GetSaveDirPath(), savefileName);
}
/// <summary>
/// 获取保存的文件名
/// </summary>
/// <returns></returns>
public string GetSaveFileName()
{
return this.Id.ToString() + Path.GetExtension(this.FileName);
}
/// <summary>
/// 检测，并且返回缩略图的保存路径
/// </summary>
/// <param name="saveFileName"></param>
/// <returns></returns>
public string GetAndCheakThumbnailSavePath(bool isCheak=false)
{
string thumbnailPath = $"wwwroot/{FileTypeEnum.thumbnail}";
if (isCheak)
{
if (!Directory.Exists(thumbnailPath))
{
Directory.CreateDirectory(thumbnailPath);
}
}
return Path.Combine(thumbnailPath, GetSaveFileName());
}
/// <summary>
/// 获取查询的的文件路径
/// </summary>
/// <param name="file"></param>
/// <param name="isThumbnail"></param>
/// <returns></returns>
public string? GetQueryFileSavePath(bool? isThumbnail)
{
string fileSavePath;
//如果为缩略图，需要修改路径
if (isThumbnail is true)
{
fileSavePath = this.GetAndCheakThumbnailSavePath();
}
else
{
fileSavePath = this.GetSaveFilePath();
}
return fileSavePath;
}
/// <summary>
/// 文件大小
///</summary>
[SugarColumn(ColumnName = "FileSize")]
public decimal FileSize { get; internal set; }
/// <summary>
/// 文件名
///</summary>
[SugarColumn(ColumnName = "FileName")]
public string FileName { get; internal set; }
/// <summary>
/// 文件路径
///</summary>
[SugarColumn(ColumnName = "FilePath")]
public string FilePath { get; internal set; }
public DateTime CreationTime { get; set; }
public Guid? CreatorId { get; set; }
public Guid? LastModifierId { get; set; }
public DateTime? LastModificationTime { get; set; }
}
}