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Program.cs
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Program.cs
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using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading;
using System.Threading.Tasks;
namespace Twitch_Downloader_Console
{
class Program
{
static void Main(string[] args)
{
header();
menu();
}
private static void menu()
{
int userInput;
Console.WriteLine("\n\n1 : Download Twitch Video");
Console.WriteLine("2 : Exit");
do
{
Console.Write($"\n\nEnter a choice (1 - 2): ");
} while (!int.TryParse(Console.ReadLine(), out userInput) || userInput < 1 || userInput > 2);
if(userInput == 1)
{
_Start_();
}
else
{
Environment.Exit(1);
}
}
static void header()
{
Console.WriteLine("----------------- TWITCH DOWNLOADER v1.0 -------------");
Console.WriteLine("----------------- Bb: Rajan Subedi -------------------");
Console.WriteLine("----------------- github.com/ssubedir ----------------");
}
// Download Video from twitch
static void _Start_()
{
Console.Clear();
header();
Console.WriteLine("\n\n-------------------- VIDEO INFO ----------------------");
string vid = "";
Console.WriteLine("Enter valid video ids. [Example: 91119042]");
Console.Write("Id: ");
vid = Console.ReadLine();
Twitch twitch = new Twitch();
if(twitch.checkVideo(vid) != "-1")
{
Console.WriteLine("-------------------- VIDEO INFO ----------------------");
// display requested video information
twitch.displayInformation();
// fetch token from twitch
if (twitch.fetchTwitchAuth(twitch.rr(twitch.v.Id)) != "-1") {
// build Auth token
string build_auth = twitch.auth_builder(twitch.a.Token, twitch.rr(twitch.v.Id), twitch.a.Sig);
// retrive m3 list
string list = twitch.fetchM3(build_auth);
// extract urls
string[] urls = Regex.Matches(list, @"https:\/\/.+")
.OfType<Match>()
.Select(m => m.Groups[0].Value)
.ToArray();
// extract video resolutions
string[] res = twitch.parseRes(Regex.Matches(list, @"RESOLUTION=.+").OfType<Match>().Select(m => m.Groups[0].Value).ToArray());
string[] res2 = twitch.getResInfo(Regex.Matches(list, @"RESOLUTION=.+").OfType<Match>().Select(m => m.Groups[0].Value).ToArray());
// resolution selection
Console.WriteLine("\n-------------------- RESOLUTIONS ---------------------\n");
int userInput;
char useri;
for (int i = 0; i< res.Length; i++)
{
Console.WriteLine(i+" : "+res[i]);
}
Console.WriteLine((res.Length) + " : New Video");
do
{
Console.Write($"Enter a choice (0 - {res.Length}): ");
} while (!int.TryParse(Console.ReadLine(), out userInput) || userInput < 0 || userInput > res.Length);
if(userInput == res.Length)
{
Console.Clear();
header();
menu();
}
else
{
// start download
twitch.fetchChunks(urls[userInput]); // fetch video chunks
twitch.tDownload(res2[userInput]); // start download
twitch.EncodeFiles(); // encode files
string userii;
// try again?
do
{
Console.Write($"\n\nDo you want to download another video? Y/N : ");
userii = Console.ReadLine();
if ((userii == "y") || (userii == "n") || (userii == "Y") || (userii == "N"))
break;
} while (true);
if (userii == "y" | userii == "Y")
{
_Start_();
}
else
{
Environment.Exit(0);
}
}
}
else
{
Console.WriteLine("Failed to fetch token.");
}
}
else
{
Console.WriteLine("Fine not found or supported.");
string useri;
// try again?
do
{
Console.Write($"\n\nDo you want to try another video? Y/N : ");
useri = Console.ReadLine();
if ((useri == "y") || (useri == "n") || (useri == "Y") || (useri == "N"))
break;
} while (true);
if (useri == "y" | useri == "Y")
{
_Start_();
}
else
{
Environment.Exit(0);
}
}
}
}
}