using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.IO;
using System.Data;

namespace SistemaIAN
{
    public partial class Descargas : Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                Cargo_Grilla();
            }
        }
        protected void Exportar_Click(object sender, EventArgs e)
        {
            //if (FileUpload1.HasFile)
            //{
            //    FileUpload1.PostedFile.SaveAs(Server.MapPath("~/Data/") + FileUpload1.FileName);
            //}
            Cargo_Grilla();
        }
        private void Cargo_Grilla()
        {
            DataTable dt = new DataTable();
            dt.Columns.Add("File", typeof(string));
            dt.Columns.Add("Size", typeof(string));
            dt.Columns.Add("Type", typeof(string));
            foreach (string strFile in Directory.GetFiles(Server.MapPath("~/Data/")))
            {
                FileInfo fi = new FileInfo(strFile);
                dt.Rows.Add(fi.Name,fi.Length, GetFileTypeByExtension(fi.Extension));
            }
            GridView1.DataSource = dt;
            GridView1.DataBind();

        }
        private string GetFileTypeByExtension(string extension)
        {
            switch (extension.ToLower())
            {
                case ".exe":
                    return "Aplicaciones";
                case ".zip":
                    return "ZIP";
                default:
                    return "unknow";
            }
        }

  

        protected void GridView1_RowCommand(object sender, GridViewCommandEventArgs e)
        {
            if (e.CommandName == "Download")
            {
                Response.Clear();
                Response.ContentType = "application/octect-stream";
                Response.AppendHeader("content-disposition", "filename=" + e.CommandArgument);
                Response.TransmitFile(Server.MapPath("~/Data/") + e.CommandArgument);
                Response.End();
            }
        }
    }
}