LocalStorage.cs

using ECommerceAPI.Application.Abstractions.Storage.Local;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Http;

namespace ECommerceAPI.Infrastructure.Services.Storage.Local
{
    public class LocalStorage : Storage, ILocalStorage
    {
        readonly IWebHostEnvironment _webHostEnvironment;

        public LocalStorage(IWebHostEnvironment webHostEnvironment)
        {
            _webHostEnvironment = webHostEnvironment;
        }

        public async Task DeleteAsync(string path, string fileName)
            => File.Delete($"{Path.Combine(_webHostEnvironment.WebRootPath, path)}\\{fileName}");

        public List<string> GetFiles(string path)
            => new DirectoryInfo(Path.Combine(_webHostEnvironment.WebRootPath, path)).GetFiles().Select(f => f.Name).ToList();

        public bool HasFile(string path, string fileName)
            => File.Exists($"{Path.Combine(_webHostEnvironment.WebRootPath, path)}\\{fileName}");

        async Task<bool> CopyFileAsync(string path, IFormFile file)
        {
            try
            {
                await using FileStream fileStream = new(path, FileMode.Create, FileAccess.Write, FileShare.None, 1024 * 1024, useAsync: false);
                await file.CopyToAsync(fileStream);
                await fileStream.FlushAsync();
                return true;
            }
            catch (Exception)
            { //todo log
                throw;
            }
        }

        public async Task<List<(string fileName, string pathOrContainerName)>> UploadAsync(string path, IFormFileCollection files)
        {
            string uploadPath = Path.Combine(_webHostEnvironment.WebRootPath, path);

            if (!Directory.Exists(uploadPath))
                Directory.CreateDirectory(uploadPath);

            List<(string fileName, string path)> datas = new();
            foreach (IFormFile file in files)
            {
                string newFileName = await FileRenameAsync(path, file.Name, GetFiles, HasFile);

                bool result = await CopyFileAsync($"{uploadPath}\\{newFileName}", file);
                datas.Add((newFileName, $"{path}\\{newFileName}"));
            }

            return datas;
        }
    }
}