//
//
/// <summary>
/// Update the given song with the given song ID. Returns true if the song was
/// updated, false if it could not because the song ID was not found.
/// </summary>
/// <param name="songId">Song ID to search for</param>
/// <param name="song">Song data that has possibly changed</param>
/// <returns>true if the song with the song ID was found, false otherwise</returns>
public bool UpdateSong(int songId, Song song)
{
DataTable table = musicDataSet.Tables["song"];
// Only one row should be selected
foreach (DataRow row in table.Select("id=" + songId))
{
row["title"] = song.Title;
row["artist"] = song.Artist;
row["album"] = song.Album;
row["genre"] = song.Genre;
row["length"] = song.Length;
row["filename"] = song.Filename;
return true;
}
// Must not have found the song ID
return false;
}
/// <summary>
/// Add a song pointed to by the filename. Returns the newly added song.
/// </summary>
/// <param name="filename">MP3 filename</param>
/// <returns>Song created from the MP3</returns>
public Song AddSong(string filename)
{
// PM> Install-Package taglib
// http://stackoverflow.com/questions/1750464/how-to-read-and-write-id3-tags-to-an-mp3-in-c
TagLib.File file = TagLib.File.Create(filename);
String name = filename.Substring(filename.LastIndexOf('\\')+1, filename.LastIndexOf('.') - filename.LastIndexOf('\\') - 1);
Song s = new Song
{
Title = file.Tag.Title == null ? name : file.Tag.Title,
Artist = file.Tag.AlbumArtists.Length == 0 ? "Unknown" : file.Tag.AlbumArtists[0],
Album = file.Tag.Album == null ? "Unknown" : file.Tag.Album,
Genre = file.Tag.Genres.Length == 0 ? "Unknown" : file.Tag.Genres[0],
Length = file.Properties.Duration.Minutes + ":" + file.Properties.Duration.Seconds,
Filename = filename
};
AddSong(s);
return s;
}
/// <summary>
/// Return a Song for the given song ID. Returns null if the song was not found.
/// </summary>
/// <param name="songId">ID of song to search for</param>
/// <returns>The song matching the songId or null if the song wasn't found</returns>
public Song GetSong(int songId)
{
DataTable table = musicDataSet.Tables["song"];
// Only one row should be selected
foreach (DataRow row in table.Select("id=" + songId))
{
Song song = new Song();
song.Id = songId;
song.Title = row["title"].ToString();
song.Artist = row["artist"].ToString();
song.Album = row["album"].ToString();
song.Genre = row["genre"].ToString();
song.Length = row["length"].ToString();
song.Filename = row["filename"].ToString();
return song;
}
// Must not have found this song ID
return null;
}
/// <summary>
/// Adds a song to the music library and returns the song's ID. The Song's ID
/// is also updated to reflect the song's auto-assigned ID.
/// </summary>
/// <param name="s">Song to add</param>
/// <returns>The song's ID</returns>
public int AddSong(Song s)
{
DataTable table = musicDataSet.Tables["song"];
DataRow row = table.NewRow();
row["title"] = s.Title;
row["artist"] = s.Artist;
row["album"] = s.Album;
row["filename"] = s.Filename;
row["length"] = s.Length;
row["genre"] = s.Genre;
row["url"] = s.AboutUrl;
row["albumImage"] = s.AlbumImageUrl;
table.Rows.Add(row);
// Update this song's ID
s.Id = Convert.ToInt32(row["id"]);
return s.Id;
}
private Song InfoFromAPI(Song s, string artist, string title)
{
String url = "http://ws.audioscrobbler.com/2.0/?method=track.getInfo&api_key=" + API_KEY + "&" +
"artist=" + WebUtility.UrlEncode(artist) + "&track=" + WebUtility.UrlEncode(title);
try
{
HttpWebRequest request = WebRequest.Create(url) as HttpWebRequest;
using (WebResponse response = request.GetResponse())
{
Stream strm = response.GetResponseStream();
using (XmlTextReader reader = new XmlTextReader(strm))
{
while (reader.Read())
{
if (reader.IsStartElement())
{
Console.WriteLine(reader.Name);
//Console.WriteLine(reader.ReadString());
if (reader.Name == "image")
{
if (reader.GetAttribute("size") == "medium")
s.AlbumImageUrl = reader.ReadString();
}
if (reader.Name == "url")
{
if(s.AboutUrl == "" || s.AboutUrl == null)
{
s.AboutUrl = reader.ReadString();
}
}
}
}
}
}
}
catch (WebException e)
{
// A 400 response is returned when the song is not in their library
Console.WriteLine("Error: " + e.Message);
}
return s;
}
/// <summary>
/// Add a song pointed to by the filename. Returns the newly added song.
/// </summary>
/// <param name="filename">MP3 filename</param>
/// <returns>Song created from the MP3</returns>
public Song AddSong(string filename)
{
// PM> Install-Package taglib
// http://stackoverflow.com/questions/1750464/how-to-read-and-write-id3-tags-to-an-mp3-in-c
TagLib.File file = TagLib.File.Create(filename);
Song s = new Song
{
Title = file.Tag.Title,
Artist = file.Tag.AlbumArtists[0],
Album = file.Tag.Album,
Genre = file.Tag.Genres[0],
Filename = filename
};
if (file.Properties.Duration.Seconds > 9)
{
s.Length = file.Properties.Duration.Minutes + ":" + file.Properties.Duration.Seconds;
}
else
{
s.Length = file.Properties.Duration.Minutes + ":0" + file.Properties.Duration.Seconds;
}
s = InfoFromAPI(s, s.Artist, s.Title);
AddSong(s);
return s;
}
private void PlayMusic()
{
DataRowView row = (DataRowView)dataGrid.SelectedItems[0];
song = musicLib.GetSong(Int32.Parse(row["Id"].ToString()));
mediaPlayer.Open(new Uri(song.Filename));
mediaPlayer.Play();
}
/// <summary>
/// Add a song pointed to by the filename. Returns the newly added song.
/// </summary>
/// <param name="filename">MP3 filename</param>
/// <returns>Song created from the MP3</returns>
public Song AddSong(string filename)
{
// PM> Install-Package taglib
// http://stackoverflow.com/questions/1750464/how-to-read-and-write-id3-tags-to-an-mp3-in-c
TagLib.File file = TagLib.File.Create(filename);
//get image url
string imageurl = "";
string url = "http://ws.audioscrobbler.com/2.0/?method=track.getInfo&api_key=e1d7cac3d825c39c69e1e0f2a73ca7f8&artist=" + WebUtility.UrlEncode(file.Tag.AlbumArtists[0]) + "&track=" + WebUtility.UrlEncode(file.Tag.Title);
try
{
HttpWebRequest request = WebRequest.Create(url) as HttpWebRequest;
using (WebResponse response = request.GetResponse())
{
Stream strm = response.GetResponseStream();
using (XmlTextReader reader = new XmlTextReader(strm))
{
while (reader.Read())
{
if (reader.NodeType == XmlNodeType.Element)
{
//Console.WriteLine(reader.Name);
//Console.WriteLine(reader.ReadString());
if (reader.Name == "image")
{
if (reader.GetAttribute("size") == "medium")
imageurl = reader.ReadString();
}
}
}
}
}
}
catch (WebException e)
{
// A 400 response is returned when the song is not in their library
Console.WriteLine("Error: " + e.Message);
}
Song s = new Song
{
Title = file.Tag.Title,
Artist = file.Tag.AlbumArtists[0],
Album = file.Tag.Album,
Genre = file.Tag.Genres[0],
Length = file.Properties.Duration.Minutes + ":" + file.Properties.Duration.Seconds,
Filename = filename,
AboutUrl = "http://www.last.fm/music/" + WebUtility.UrlEncode(file.Tag.AlbumArtists[0]) + "/" + WebUtility.UrlEncode(file.Tag.Album),
AlbumImageUrl = imageurl
};
AddSong(s);
return s;
}