public async Task <IViewComponentResult> InvokeAsync(long id, long courseId, long?parentId)
{
var model = new EmbedVideoVM
{
Id = id,
CourseId = courseId,
ParentSectionId = parentId
};
return(View(model));
}
public IActionResult UploadEmbed(EmbedVideoVM model)
{
var uri = model.URI;
// Allows support for varying types of Youtube URL and embed links
string[] validAuthorities = { "https:\\/\\/www.youtube.com", "youtube.com", "www.youtube.com", "youtu.be", "www.youtu.be" };
// Matches for Youtube Id URI
var YoutubeRegex = "(?:.+?)?(?:\\/v\\/|watch\\/|\\?v=|\\&v=|youtu\\.be\\/|\\/v=|^youtu\\.be\\/)([a-zA-Z0-9_-]{11})+";
Regex regexExtractId = new Regex(YoutubeRegex, RegexOptions.Compiled);
try
{
string authority = new UriBuilder(uri).Uri.Authority.ToLower();
//check if the url is a youtube url
if (validAuthorities.Contains(authority))
{
//and extract the id
var regRes = regexExtractId.Match(uri.ToString());
if (regRes.Success)
{
var embedLink = $"{validAuthorities[0]}/embed/{regRes.Groups[1].Value}";
model.URI = embedLink;
}
var entity = new EmbedModel
{
SectionId = model.Id,
ResourceLink = model.URI
};
_context.Add(entity);
_context.SaveChanges();
}
return(RedirectToAction("Edit", "Author", new { id = model.CourseId, selectedSection = model.ParentSectionId }));
}
catch
{
return(View());
}
}