83 lines
2.9 KiB
C#
83 lines
2.9 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using Mapster;
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using Microsoft.AspNetCore.Http;
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using Microsoft.AspNetCore.Mvc;
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using Microsoft.Extensions.Caching.Memory;
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using Volo.Abp;
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using Volo.Abp.Application.Services;
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using Volo.Abp.Caching;
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using Volo.Abp.Domain.Repositories;
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using Volo.Abp.Guids;
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using Yi.Framework.Core.Enums;
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using Yi.Framework.Core.Helper;
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using Yi.Framework.Rbac.Application.Contracts.Dtos.FileManager;
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using Yi.Framework.Rbac.Application.Contracts.IServices;
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using Yi.Framework.Rbac.Domain.Entities;
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using Yi.Framework.Rbac.Domain.Managers;
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using Yi.Framework.Rbac.Domain.Shared.Caches;
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namespace Yi.Framework.Rbac.Application.Services
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{
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public class FileService : ApplicationService, IFileService
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{
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private readonly IRepository<FileAggregateRoot> _repository;
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private readonly FileManager _fileManager;
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private readonly IMemoryCache _memoryCache;
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public FileService(IRepository<FileAggregateRoot> repository, FileManager fileManager, IMemoryCache memoryCache)
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{
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_repository = repository;
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_fileManager = fileManager;
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_memoryCache = memoryCache;
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}
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/// <summary>
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/// 下载文件,支持缩略图
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/// </summary>
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/// <returns></returns>
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[Route("file/{code}/{isThumbnail?}")]
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public async Task<IActionResult> Get([FromRoute] Guid code, [FromRoute] bool? isThumbnail)
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{
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var fileCache = await _memoryCache.GetOrCreateAsync($"File:{code}", async (options) =>
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{
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options.AbsoluteExpiration = DateTime.Now.AddDays(1);
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var file = await _repository.GetAsync(x => x.Id == code);
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if (file == null!) return null;
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return file.Adapt<FileCacheItem>();
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});
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var file = fileCache?.Adapt<FileAggregateRoot>();
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var path = file?.GetQueryFileSavePath(isThumbnail);
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if (path is null || !File.Exists(path))
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{
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return new NotFoundResult();
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}
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var steam = await File.ReadAllBytesAsync(path);
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return new FileContentResult(steam, file.GetMimeMapping());
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}
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/// <summary>
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/// 上传文件
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/// </summary>
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/// <returns></returns>
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public async Task<List<FileGetListOutputDto>> Post([FromForm] IFormFileCollection file)
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{
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var entities = await _fileManager.CreateAsync(file);
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for (int i = 0; i < file.Count; i++)
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{
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var entity = entities[i];
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using (var steam = file[i].OpenReadStream())
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{
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await _fileManager.SaveFileAsync(entity, steam);
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}
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}
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return entities.Adapt<List<FileGetListOutputDto>>();
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}
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}
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} |