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新增文件上传分类 不同分类 次数限制不同 文件保存时间不同

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This commit is contained in:
lq1405 2025-09-14 13:57:54 +08:00
parent 25d481d7d6
commit 6d41f52de5
2 changed files with 37 additions and 9 deletions
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1
LMS.Repository/DTO/FileUploadDto.cs
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@ -15,6 +15,7 @@ namespace LMS.Repository.DTO
public required string FileName { get; set; }
public required string ContentType { get; set; }
public Dictionary<string, string> Metadata { get; set; } = new();
public string? Type { get; set; }
}
/// <summary>

37
LMS.service/Service/FileUploadService/QiniuUploadService.cs
View File

@ -10,6 +10,7 @@ using LMS.Tools.HttpTool;
using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Options;
using OneOf.Types;
using static LMS.Common.Enums.ResponseCodeEnum;
using static LMS.Repository.DTO.FileUploadDto;
using static LMS.Repository.FileUpload.FileRequestReturn;
@ -88,19 +89,36 @@ namespace LMS.service.Service.FileUploadService
{
return APIResponseModel<UploadResult>.CreateErrorResponseModel(ResponseCode.ParameterError, "无效的机器ID或未找到关联用户");
}
string fileKey;
string fileName = $"{Guid.NewGuid().ToString("N")}{Path.GetExtension(request.FileName)}";
if (request.Type != "video")
{
// 3. 校验当前用户是不是超出了上传限制
var userFilesCount = await GetUserUploadToday(userId.Value);
var userFilesCount = await GetUserUploadToday(userId.Value, request.Type);
if (userFilesCount >= 5)
{
return APIResponseModel<UploadResult>.CreateErrorResponseModel(ResponseCode.ParameterError, "今日上传文件数量已达上限，请明天再试");
}
fileKey = $"diantu/user/{userId}/{DateTime.Now:yyyyMMdd}/{fileName}";
}
else
{
var userFilesCount = await GetUserUploadToday(userId.Value, request.Type);
if (userFilesCount >= 50)
{
return APIResponseModel<UploadResult>.CreateErrorResponseModel(ResponseCode.ParameterError, "今日上传文件数量已达上限，请明天再试");
}
fileKey = $"upload/user/{userId}/{DateTime.Now:yyyyMMdd}/upload_{fileName}";
}
string fileKey = $"diantu/user/{userId}/{DateTime.Now:yyyyMMdd}/{request.FileName}";
// 4. 上传到七牛云
FileUploads fileUpload = await _qiniuService.UploadFileToQiNiu(fileBytes, userId.Value, request.FileName, fileKey);
if (request.Type == "video")
{
fileUpload.Status = "unactive";
}
// 5. 修改数据库
_dbContext.FileUploads.Add(fileUpload);
await _dbContext.SaveChangesAsync();
@ -279,9 +297,18 @@ namespace LMS.service.Service.FileUploadService
return (totalCount, fileUploads);
}
private async Task<int> GetUserUploadToday(long userId)
private async Task<int> GetUserUploadToday(long userId, string type)
{
return await _dbContext.FileUploads
var query = _dbContext.FileUploads.AsQueryable();
if (type == "video")
{
query = query.Where(x => x.Status == "unactive");
}
else
{
query = query.Where(x => x.Status == "active");
}
return await query
.CountAsync(f => f.UserId == userId && f.CreatedAt.Date == BeijingTimeExtension.GetBeijingTime().Date);
}