public IActionResult GetFile(string id)
{
if (HttpContext.Session.GetString("loggedIn") != "yes")
{
return(Redirect("/"));
}
try
{
DownloadTransaction downloadTrans = dataRepository.DownloadTransaction.First(d => d.Token == id);
Song song = dataRepository.Songs.First(s => s.SongId == downloadTrans.SongId);
if (downloadTrans == null)
{
return(View("Error"));
}
if (!downloadTrans.HasDownloaded && DateTime.Now < downloadTrans.Expiration)
{
try
{
System.IO.FileStream stream = new System.IO.FileStream("wwwroot/assets/songs/" + song.SongId + ".mp3", System.IO.FileMode.Open);
downloadTrans.HasDownloaded = true;
dataRepository.UpdateDownloadTransaction(downloadTrans);
return(File(stream, "audio/mpeg", song.Artist + " - " + song.Title + ".mp3"));
}
catch (Exception)
{
return(View("Error"));
}
}
else
{
ViewBag.Message = "Link has either expired or you have already downloaded";
return(View("Error"));
}
}
catch (Exception)
{
return(View("Error"));
}
}
// GET: /<controller>/
public IActionResult Details(string id)
{
if (HttpContext.Session.GetString("loggedIn") != "yes")
{
return(Redirect("/"));
}
try
{
Song song = dataRepository.Songs.First(s => s.SongId == id);
if (song != null)
{
// create dl transaction & add
DownloadTransaction downloadTrans = new DownloadTransaction()
{
SongId = song.SongId,
UserId = HttpContext.Session.GetString("userId"),
Expiration = DateTime.Now.AddMinutes(5.0)
};
dataRepository.AddDownloadTransaction(downloadTrans);
// create view model to be passed to the view
DownloadSongViewModel viewModel = new DownloadSongViewModel()
{
Song = song,
Token = downloadTrans.Token
};
return(View(viewModel));
}
else
{
return(View("Error"));
}
}
catch (Exception)
{
// show error page!
return(View("Error"));
}
}
public IActionResult Download(string id)
{
if (HttpContext.Session.GetString("loggedIn") != "yes")
{
return(Redirect("/"));
}
try
{
DownloadTransaction downloadTrans = dataRepository.DownloadTransaction.First(d => d.Token == id);
if (downloadTrans == null)
{
return(View("Error"));
}
Song song = dataRepository.Songs.First(s => s.SongId == downloadTrans.SongId);
// check expiration
if (DateTime.Now > downloadTrans.Expiration)
{
ViewBag.Expired = true;
}
else
{
ViewBag.Expired = false;
}
// create view model to be passed to the view
DownloadSongViewModel viewModel = new DownloadSongViewModel()
{
Song = song,
Token = downloadTrans.Token
};
return(View(viewModel));
}
catch (Exception)
{
return(View("Error"));
}
}
