//Checks if a url is a valid youtube one, following discord url parameters
//in cases where the id was greater than 11, getting only the 11 characters still lead to the same video nevertheless
public static YTUrlValidationResponse TryParseID(string url)
{
YTUrlValidationResponse result = new YTUrlValidationResponse();
result.Valid = false;
result.ID = null;
if (url.Length >= 28)
{
if (url.Substring(0, 17) == "https://youtu.be/")
{
result.Valid = true;
result.ID = url.Substring(17, 11);
return(result);
}
}
if (url.Length >= 37)
{
if (url.Substring(0, 26) == "https://youtube.com/embed/")
{
result.Valid = true;
result.ID = url.Substring(26, 11);
return(result);
}
}
if (url.Length >= 39)
{
if (url.Substring(0, 28) == "https://youtube.com/watch?v=")
{
result.Valid = true;
result.ID = url.Substring(28, 11);
return(result);
}
}
if (url.Length >= 41)
{
if (url.Substring(0, 30) == "https://www.youtube.com/embed/")
{
result.Valid = true;
result.ID = url.Substring(30, 11);
return(result);
}
}
if (url.Length >= 43)
{
if (url.Substring(0, 32) == "https://www.youtube.com/watch?v=")
{
result.Valid = true;
result.ID = url.Substring(32, 11);
return(result);
}
}
return(result);
}
public static YTUrlValidationResponse TryParsePlaylistID(string playlistUrl)
{
YTUrlValidationResponse result = new YTUrlValidationResponse();
result.Valid = false;
result.ID = null;
//Minimum playlist id is 13
if (playlistUrl.Length >= 51)
{
if (playlistUrl.Substring(0, 38) == "https://www.youtube.com/playlist?list=")
{
result.Valid = true;
result.ID = playlistUrl.Substring(38);
}
}
if (playlistUrl.Length >= 47)
{
if (playlistUrl.Substring(0, 34) == "https://youtube.com/playlist?list=")
{
result.Valid = true;
result.ID = playlistUrl.Substring(34);
}
}
if (playlistUrl.Length >= 62)
{
if (playlistUrl.Substring(0, 32) == "https://www.youtube.com/watch?v=")
{
if (playlistUrl.Substring(43, 6) == "&list=")
{
result.Valid = true;
result.ID = playlistUrl.Substring(49);
}
}
}
if (playlistUrl.Length >= 58)
{
if (playlistUrl.Substring(0, 28) == "https://youtube.com/watch?v=")
{
if (playlistUrl.Substring(39, 6) == "&list=")
{
result.Valid = true;
result.ID = playlistUrl.Substring(45);
}
}
}
if (playlistUrl.Length >= 48)
{
if (playlistUrl.Substring(0, 17) == "https://youtu.be/")
{
if (playlistUrl.Substring(28, 1) == "/")
{
result.Valid = true;
result.ID = playlistUrl.Substring(29);
}
}
}
return(result);
}