Example #1
0
 public ActionResult Edit(Music music)
 {
     if (ModelState.IsValid)
     {
         db.Entry(music).State = EntityState.Modified;
         db.SaveChanges();
         return RedirectToAction("Index");
     }
     return View(music);
 }
Example #2
0
        public ActionResult Create(String title, String artist, String genre, HttpPostedFileBase mp3)
        {
            //Error checking for input
            if(title == "" || artist == "" || genre == "" || mp3 == null)
            {
                ViewBag.Error = "Please ensure all fields are populated and a file has been selected";
                ViewBag.SongTitle = title;
                ViewBag.Artist = artist;
                ViewBag.Genre = genre;

                return View();

            }
            else if(!mp3.FileName.EndsWith(".mp3"))
            {
                ViewBag.Error = "At this time only files with a .mp3 file extension may be used";
                ViewBag.SongTitle = title;
                ViewBag.Artist = artist;
                ViewBag.Genre = genre;

                return View();
            }

            IList<Music> sameSongs = db.Music.Where(sl => sl.Title.Equals(title) && sl.Artist.Equals(artist)).ToList();
            if (sameSongs.Count() != 0)
            {
                ViewBag.Error = "This song has already been uploaded";
                ViewBag.SongTitle = title;
                ViewBag.Artist = artist;
                ViewBag.Genre = genre;

                return View();
            }

            //Create music object
            Music music = new Music
                {
                    Title = title,
                    Artist = artist,
                    Genre = genre,
                    Complete = false
                };

            //Add music object to db and save mp3 to listed application directory
            music.FilePath = "~/Content/MusicUploads/" + music.Artist + "-" + music.Title + ".mp3";
            db.Music.Add(music);
            if (mp3 != null)
                mp3.SaveAs(Request.PhysicalApplicationPath + "Content\\MusicUploads\\" + music.Artist + "-" + music.Title + ".mp3");

            //Calculate mp3 duration
            ShellFile f = ShellFile.FromFilePath(Request.PhysicalApplicationPath + "Content\\MusicUploads\\" + music.Artist + "-" + music.Title + ".mp3");
            double nanoseconds;
            double.TryParse(f.Properties.System.Media.Duration.Value.ToString(), out nanoseconds);
            int duration = (int)(nanoseconds * 0.0000001);

            //Make sure song can be processed and is at least 10 seconds in length
            if (duration < 10)
            {
                ViewBag.Error = "Song is too short or has a corrupt duration header. Please upload another file";
                ViewBag.SongTitle = title;
                ViewBag.Artist = artist;
                ViewBag.Genre = genre;

                return View();
            }

            //Initialize values for first segment
            int segID = 0;
            int start = 0;
            int end = 5;
            int clipLength = 5;

            //Create all segments (except possibly last one)
            while (end <= duration)
            {
                LyricSegment newSegment = new LyricSegment();
                newSegment.LyricSegmentID = segID;
                newSegment.MusicID = music.MusicID;
                newSegment.Start = start;
                newSegment.End = end;
                start += clipLength;
                end += clipLength;

                //If last segment wont be created, append to end of active segment
                if (end > duration)
                    newSegment.End = duration;

                db.Lyrics.Add(newSegment);
                segID++;
            }

            //Save changes to db
            db.SaveChanges();
            return RedirectToAction("Index");
        }
Example #3
0
 private void songCompletion(Music song)
 {
     IList<LyricSegment> segments = db.Lyrics.Where(ls => ls.MusicID  == song.MusicID && ls.Complete == false).ToList();
     if (segments.Count() == 0)
         song.Complete = true;
 }