YouTubeCloud

// Comments

// The program was coded by Andrew J S.

// The program is NOT meant to steal music off youtube, was just a personal experiment.

// The video function was removed due to the other website is now experiencing problems and un reliable.

// Thanks to youtube-mp3.org as without them this program would not exist.

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Runtime.InteropServices;
using System.Diagnostics;
using System.IO;
using System.Net;

namespace YouTubeCloud
{
    public partial class Form1 : Form
    {
        int seconds = 10;

        string folderPath = "C:\\YouTubeCloud";
        string audioPath = "C:\\YouTubeCloud\\Audio";

        void directoryCheck()
        {
            try
            {
                if (!Directory.Exists(folderPath)) // Check if the directory (folder) does not exist.
                {
                    Directory.CreateDirectory(folderPath);
                    Directory.CreateDirectory(audioPath);
                }
            }
            catch { }
        }

        void downloadFile()
        {
            try
            {
                HtmlElement dl_link = webBrowser1.Document.GetElementById("dl_link").All[0]; // Get all the information under the id 'dl_link'.
                string downloadUrl = dl_link.GetAttribute("href"); // Grab the link which is located in 'href' under dl_link.
                string songName = webBrowser1.Document.GetElementById("title").InnerText.Substring(7); // Get the title in the element title and remove the text 'Title: '.

                WebClient webClient = new WebClient(); // Used to remove dialog of saving a file
                webClient.DownloadFileCompleted += new AsyncCompletedEventHandler(downloadComplete);
                webClient.DownloadProgressChanged += new DownloadProgressChangedEventHandler(downloadProgress);
                webClient.DownloadFileAsync(new Uri(downloadUrl), audioPath + "\\" + songName + ".mp3");
            }
            catch { }
        }

        private void downloadProgress(object sender, DownloadProgressChangedEventArgs e)
        {
            progressBar1.Value = e.ProgressPercentage; // Progress bar value is the same as the percentage of the download
        }

        private void downloadComplete(object sender, AsyncCompletedEventArgs e)
        {
            textBox1.Clear();
            textBox1.Enabled = true;
            button1.Enabled = true;
            progressBar1.Value = 0;
        }

        public Form1()
        {
            InitializeComponent();
            directoryCheck(); // Call the function.
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            Process.Start(folderPath); // Open the folder so the user knows where it is located. This line is NOT NEEDED and is just a reminder to the user every time they open the program.
        }

        private void button1_Click(object sender, EventArgs e)
        {
            directoryCheck(); // Call the function.

            if (textBox1.Text.Trim().Length != 0) // Determine whether the textbox is empty.
            {
                webBrowser1.Document.GetElementById("youtube-url").SetAttribute("value", textBox1.Text); // Put text into textbox.
                webBrowser1.Document.GetElementById("submit").InvokeMember("onclick"); // Click button.

                textBox1.Enabled = false;
                button1.Enabled = false;

                timer1.Start();
            }
        }

        private void Form1_FormClosed(object sender, FormClosedEventArgs e)
        {
            MessageBox.Show("Program created by : Andrew");
        }

        private void timer1_Tick(object sender, EventArgs e)
        {
            seconds--;

            if (seconds == 0)
            {
                timer1.Stop();
                seconds = 10;
                downloadFile();
            }
        }
    }
}