SysFileService.cs
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using Hh.Mes.Common.Infrastructure;
using Hh.Mes.Common.log;
using Hh.Mes.Common.Request;
using Hh.Mes.POJO.Entity;
using Hh.Mes.POJO.Response;
using Hh.Mes.Service.Repository;
using SqlSugar;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
using Hh.Mes.Pojo.System;
using System.Data;
using System.IO;
namespace Hh.Mes.Service.Base
{
public class SysFileService : RepositorySqlSugar<sys_File>
{
/// <summary>
/// 文件存储路径
/// </summary>
private readonly string FileNamePath = "\\wwwroot\\Document";
public dynamic Load(PageReq pageReq, sys_File entity)
{
return ExceptionsHelp.Instance.ExecuteT(() =>
{
var result = new Response<List<sys_File>>();
var expression = LinqWhere(entity);
//先组合查询表达式
var query = Context.Queryable<sys_File>().Where(expression);
//Exel为ture就不分页，因为导出的话是全部导出
if (pageReq != null)
{
int total = 0;
result.Result = query.ToOffsetPage(pageReq.page, pageReq.limit, ref total);
result.Count = total;
}
else
{
result.Result = query.ToList();
result.Count = result.Result.Count();
}
return result;
}, catchRetrunValue: "list");
}
public dynamic Ins(sys_File entity)
{
return ExceptionsHelp.Instance.ExecuteT(() =>
{
var response = new Response();
//entity.createBy = sysWebUser?.Account;
//entity.createTime = DateTime.Now;
response.Status = Add(entity);
if (!response.Status)response.Message = SystemVariable.dataActionError;
return response;
});
}
public dynamic Upd(sys_File entity)
{
return ExceptionsHelp.Instance.ExecuteT(() =>
{
var response = new Response();
//entity.updateBy = sysWebUser?.Account;
//entity.updateTime = DateTime.Now;
response.Status = Update(entity);
if (!response.Status) response.Message = SystemVariable.dataActionError;
return response;
});
}
public dynamic DelByIds(int[] ids)
{
return ExceptionsHelp.Instance.ExecuteT(() =>
{
var response = new Response();
var docs = Context.Queryable<sys_File>().Where(x => ids.Contains(x.fileId)).ToList();
docs.ForEach((item) =>
{
DeleteDocument(item.url);
});
Context.Deleteable<sys_File>(t => ids.Contains(t.fileId)).ExecuteCommand();
return response;
});
}
/// <summary>
/// 删除服务器内文件
/// </summary>
/// <param name="fileName"></param>
private void DeleteDocument(string fileName)
{
string path = $"{Directory.GetCurrentDirectory()}{FileNamePath}\\{fileName}";
if (File.Exists(path))
{
File.Delete(path);
}
}
public dynamic AddOrUpdate(sys_File entity)
{
return ExceptionsHelp.Instance.ExecuteT<dynamic>(() =>
{
var response=new Response();
if (entity.targetId == 0)
{
return response.ResponseError("适用的设备类型不能为空！");
}
var UploadPath = $"{Directory.GetCurrentDirectory()}{FileNamePath}";
if (!Directory.Exists(UploadPath)) Directory.CreateDirectory(UploadPath);
var fileType = entity.File?.FileName.Split(".").LastOrDefault();
var fileName = entity.File?.FileName.Replace($".{fileType}", "");
if (string.IsNullOrWhiteSpace(fileName))
{
fileName = Guid.NewGuid().ToString().Substring(0, 8);
}
var newFileName = $"{fileName}_{Guid.NewGuid():N}.{fileType}";
//更新文件和数据，删除原始文件，上传新文件
if (entity.EditFlag && entity.File != null)
{
//DeleteDocument(entity.url);
//using var fs = File.Create($"{UploadPath}\\{newFileName}");
//entity.File.CopyTo(fs);
//fs.Flush();
//var size = fs.Length / 1024;
//entity.size = Convert.ToDecimal(size > 1024 ? $"{size / 1024:N1}M" : $"{size:N1}Kb");
//entity.suffix ??= fileType;
}
//新增文件和数据
else if (!entity.EditFlag && entity.File != null)
{
var fs = File.Create($"{UploadPath}\\{newFileName}");
entity.File.CopyTo(fs);
fs.Flush();
var size = fs.Length / 1024;
entity.size = Convert.ToDecimal(size > 1024 ? $"{size / 1024:N1}M" : $"{size:N1}Kb");
entity.suffix = fileType;
entity.createBy = sysWebUser == null ? sysUserApi.Account : sysWebUser?.Account;
entity.createTime = DateTime.Now;
}
else if (!entity.EditFlag && entity.File == null)
{
return response.ResponseError("新增文件数据时，文件不能为空！");
}
entity.fileName = fileName;
entity.url = newFileName;
var x = Context.Storageable(entity).ToStorage();
x.AsInsertable.ExecuteCommand();//不存在插入；
x.AsUpdateable.ExecuteCommand();//存在更新；
return response;
});
}
public Response ExportData(sys_File entity)
{
return Load(null, entity);
}
public Expression<Func<sys_File, bool>> LinqWhere(sys_File model)
{
try
{
var exp = Expressionable.Create<sys_File>();
//数据过滤条件
//if (!string.IsNullOrWhiteSpace(model.XXX)) exp.And(x => x.XXX.Contains(model.XXX));
if (!string.IsNullOrWhiteSpace(model.targetTableName))
{
exp.And(x => x.targetTableName.Contains(model.targetTableName));
}
if (!string.IsNullOrWhiteSpace(model.fileCode))
{
exp.And(x => x.fileCode.Contains(model.fileCode));
}
if (!string.IsNullOrWhiteSpace(model.host))
{
exp.And(x => x.host.Contains(model.host));
}
if (model.targetId != 0)
{
exp.And(x => x.targetId.Equals(model.targetId));
}
if (!string.IsNullOrWhiteSpace(model.fileName))
{
exp.And(x=>x.fileName.Contains(model.fileName));
}
return exp.ToExpression();//拼接表达式
}
catch (Exception ex)
{
throw new Exception($"{ex.Message}");
}
}
/// <summary>
/// /左侧列表 仓库+设备类型
/// </summary>
public DataTable GetTreeList()
{
return ExceptionsHelp.Instance.ExecuteT(() =>
{
string sql = $@"
select
id = '1',
name = '根节点',
keys = '00000000-0000-0000-0000-000000000000',
parentId = null,
isok = '',
Code = ''
union all
select
id,
name = Name,
keys = Code,
parentId = '00000000-0000-0000-0000-000000000000',
isok = 'true',
e.Code
from base_equipment_type e";
var dt = base.Context.Ado.GetDataTableAsync(sql).Result;
return dt == null || dt.Rows.Count == 0 ? null : dt;
});
}
public FileStream GetFileStreamByName(string fileName, out string docName)
{
var doc = Context.Queryable<sys_File>().Where(x => x.url.Equals(fileName)).First();
docName = $"{doc.fileName}.{doc.suffix}";
try
{
string filePath = $"{Directory.GetCurrentDirectory()}{FileNamePath}\\{fileName}";
var fileStream = new FileStream(filePath, FileMode.Open, FileAccess.Read);
return fileStream;
}
catch (Exception)
{
return null;
}
}
}
}