/* ==============================================================================
 * 功能描述：Compress  
 * 创 建 者：Garrett
 * 创建日期：2019/2/14 15:04:11
 * ==============================================================================*/
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using ICSharpCode.SharpZipLib.Zip;

namespace PackageUploader.Compress
{
    /// <summary>
    /// Compress
    /// </summary>
    class CompressT
    {
        /// <summary>
        /// 压缩
        /// </summary>
        /// <param name="source">源目录</param>
        /// <param name="s">ZipOutputStream对象</param>
        public static void Compress(string basePath, string source, ZipOutputStream s, CompressArgs args)
        {
            string[] filenames = Directory.GetFileSystemEntries(source);
            foreach (string file in filenames)
            {
                if (Directory.Exists(file))
                {
                    Compress(basePath, file, s, args);  //递归压缩子文件夹
                }
                else
                {
                    using (FileStream fs = File.OpenRead(file))
                    {
                        byte[] buffer = new byte[4 * 1024];
                        ZipEntry entry = new ZipEntry(file.Replace(basePath, ""));     //此处去掉盘符，如D:\123\1.txt 去掉D:
                        entry.DateTime = DateTime.Now;
                        s.PutNextEntry(entry);
                        int sourceBytes;
                        do
                        {
                            sourceBytes = fs.Read(buffer, 0, buffer.Length);
                            s.Write(buffer, 0, sourceBytes);

                            args.IncrementTransferred = sourceBytes;
                        } while (sourceBytes > 0);
                    }
                }
            }
        }

    }
}