Files
StopShopping/StopShopping.FileApi/Services/Implementions/FileService.cs
2026-03-30 11:07:30 +08:00

60 lines
1.8 KiB
C#

using Microsoft.Extensions.Options;
namespace StopShopping.FileApi.Services.Implementions;
public class FileService : IFileService
{
public FileService(IOptions<AppOptions> appOptions,
IWebHostEnvironment webHostEnvironment)
{
_appOptions = appOptions.Value;
_env = webHostEnvironment;
}
private readonly IWebHostEnvironment _env;
private readonly AppOptions _appOptions;
public async Task<ApiResponse<FileUploadResp>> UploadFileAsync(UploadParams payload)
{
var newName = Guid.NewGuid().ToString("N").ToLower();
var extension = Path.GetExtension(payload.File!.FileName);
var newFullName = $"{newName}{extension}";
var relativeToRootPath = GetRelativeToRootPath(payload.Scences, newFullName);
var targetPath = Path.Combine(_env.WebRootPath, GetRelativeToRootPath(payload.Scences));
if (!Directory.Exists(targetPath))
{
Directory.CreateDirectory(targetPath);
}
using var file = new FileStream(
Path.Combine(_env.WebRootPath, relativeToRootPath),
FileMode.CreateNew,
FileAccess.Write);
await payload.File.CopyToAsync(file);
FileUploadResp result = new()
{
NewName = newFullName,
Url = GetFileUrl(payload.Scences, newFullName),
};
return new ApiResponse<FileUploadResp>(result);
}
private string GetFileUrl(UploadScences scences, string fileName)
{
return $"{_appOptions.Domain}/{GetRelativeToRootPath(scences, fileName)
.Replace(Path.DirectorySeparatorChar, '/')}";
}
private string GetRelativeToRootPath(UploadScences scences, string fileName = "")
{
return Path.Combine(
"images",
scences.GetTargetDirectory(),
fileName);
}
}