IM_NEW/FileService.Application/UploadFile/UploadFileService.cs

using AutoMapper;
using FileService.Domain.IReposities;
using IM.Commons;

namespace FileService.Application.UploadFile
{
    public class UploadFileService
    {
        private readonly IUploadFileReposity reposity;
        private readonly IMapper mapper;

        public UploadFileService(IUploadFileReposity reposity, IMapper mapper)
        {
            this.reposity = reposity;
            this.mapper = mapper;
        }

        public async Task<Result<FileResponse>> GetFileInfoAsync(Guid id)
        {
            var file = await reposity.FindByIdAsync(id);
            if (file == null)
            {
                return Result.Fail<FileResponse>(ResultCode.FILE_NOT_FOUND);
            }

            return Result.Success(mapper.Map<FileResponse>(file));
        }
    }
}