138 lines
4.5 KiB
C#
138 lines
4.5 KiB
C#
using IRaCIS.Core.Application.Helper;
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using MassTransit;
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using Microsoft.AspNetCore.Authorization;
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using Microsoft.AspNetCore.Builder;
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using Microsoft.AspNetCore.Hosting;
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using Microsoft.AspNetCore.Http;
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using Microsoft.AspNetCore.Mvc;
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using Microsoft.AspNetCore.StaticFiles;
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using RestSharp;
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using SharpCompress.Common;
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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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namespace IRaCIS.Core.Application.Service.MinimalApiService
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{
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/// <summary>
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/// 上传文件转PDF 或者给url 这边下载然后转PDF
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///
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/// </summary>
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/// <param name="_hostEnvironment"></param>
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[ApiExplorerSettings(GroupName = "Institution")]
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public class FileToPDFService(IWebHostEnvironment _hostEnvironment) : ServiceBase
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{
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[AllowAnonymous]
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[RoutePattern(HttpMethod = "Post")]
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public async Task<IResult> UploadFileAsync([FromForm] IFormFile file)
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{
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var tempFileName = NewId.NextGuid() + file.FileName;
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var tempPDFName = Path.GetFileNameWithoutExtension(tempFileName) + ".pdf";
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// 获取wwwroot目录
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var wwwRootPath = Path.Combine(FileStoreHelper.GetIRaCISRootDataFolder(_hostEnvironment), "temp");
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// 检查wwwroot/temp目录是否存在，不存在则创建
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if (!Directory.Exists(wwwRootPath))
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{
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Directory.CreateDirectory(wwwRootPath);
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}
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// 文件保存路径
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var pdfFilePath = Path.Combine(wwwRootPath, tempPDFName);
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var tempFilePath = Path.Combine(wwwRootPath, tempFileName);
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using var stream = File.OpenWrite(tempFilePath);
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await file.CopyToAsync(stream);
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FileConvertHelper.ConvertWordToPdf(tempFilePath, Path.GetDirectoryName(pdfFilePath));
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var fileBytes = await File.ReadAllBytesAsync(pdfFilePath);
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// 清理临时上传的文件和pdf
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if (File.Exists(pdfFilePath))
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{
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File.Delete(pdfFilePath);
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}
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if (File.Exists(tempFilePath))
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{
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File.Delete(tempFilePath);
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}
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new FileExtensionContentTypeProvider().Mappings.TryGetValue(Path.GetExtension(tempPDFName), out var contentType);
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return Results.File(fileBytes, contentType);
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}
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public async Task<IResult> GetPDFFileAsync(string fileUrl)
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{
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var tempFileName = NewId.NextGuid() + Path.GetFileName(fileUrl);
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var tempPDFName = Path.GetFileNameWithoutExtension(tempFileName) + ".pdf";
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// 获取wwwroot目录
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var wwwRootPath = Path.Combine(FileStoreHelper.GetIRaCISRootDataFolder(_hostEnvironment), "temp");
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// 检查wwwroot/temp目录是否存在，不存在则创建
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if (!Directory.Exists(wwwRootPath))
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{
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Directory.CreateDirectory(wwwRootPath);
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}
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// 文件保存路径
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var pdfFilePath = Path.Combine(wwwRootPath, tempPDFName);
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var tempFilePath = Path.Combine(wwwRootPath, tempFileName);
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//请求url获取文件
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var client = new RestClient(fileUrl);
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var request = new RestRequest(fileUrl, Method.Get);
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var response = await client.ExecuteAsync(request);
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// 检查响应是否成功
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if (response.IsSuccessful)
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{
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// 将响应内容写入到本地文件
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await File.WriteAllBytesAsync(tempFilePath, response.RawBytes);
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FileConvertHelper.ConvertWordToPdf(tempFilePath, Path.GetDirectoryName(pdfFilePath));
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var fileBytes = await File.ReadAllBytesAsync(pdfFilePath);
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// 清理临时上传的文件和pdf
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if (File.Exists(pdfFilePath))
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{
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File.Delete(pdfFilePath);
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}
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if (File.Exists(tempFilePath))
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{
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File.Delete(tempFilePath);
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}
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new FileExtensionContentTypeProvider().Mappings.TryGetValue(Path.GetExtension(tempPDFName), out var contentType);
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return Results.File(fileBytes, contentType);
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}
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else
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{
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Console.WriteLine($"下载文件失败: {response.ErrorMessage}");
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return Results.Problem("下载文件失败", statusCode: StatusCodes.Status500InternalServerError);
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}
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}
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}
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}
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