public AlbumViewModel GetAlbum( int idAlbum )
{
if( idAlbum == 0 )
{
throw new ArgumentException( "The id of the album must not be 0", "idAlbum" );
}
using( var ctx = new NwdMusikEntities() )
{
Album album = ctx.Albums.SingleOrDefault( a => a.Id == idAlbum );
if( album != null )
{
return new AlbumViewModel
{
AlbumName = album.Title,
CoverImageUrl = album.CoverImagePath,
Tracks = (from t in album.Tracks
select new TrackViewModel
{
SongName = t.Song.Name,
SongUrl = t.FileRelativePath,
TrackNumber = t.Number
}
).ToArray()
};
}
return null;
}
}
/// <summary>
/// Gets wether an album exists or not.
/// </summary>
/// <param name="album"></param>
/// <returns></returns>
public bool AlbumExists( Album album )
{
if( album == null )
{
throw new ArgumentNullException( "album" );
}
using( var ctx = new NwdMusikEntities() )
{
return ctx.Albums.Any( a => a.Title == album.Title );
}
}
public Album EditAlbum( HttpServerUtilityBase server, Album album )
{
using( var ctx = new NwdMusikEntities() )
{
//album = ctx.Albums.Attach( album );
//ctx.Entry( album ).Reference( e => e.Artist ).Load();
//ctx.Entry( album ).Collection( e => e.Tracks ).Load();
string directory;
string physDirectory;
EnsureDirectory( server, album, out directory, out physDirectory );
foreach( var track in album.Tracks )
{
HttpPostedFileBase file = track.File;
if( file != null )
{
//TODO delete previous file
string fileName = SaveFile( physDirectory, file );
track.FileRelativePath = Path.Combine( directory, fileName );
//ctx.Entry( track ).State = System.Data.Entity.EntityState.Added;
//ctx.Entry( track.Song ).State = System.Data.Entity.EntityState.Added;
}
//else do not change the FileRelativePath since it is send by the form in an hidden input
}
if( album.CoverFile != null )
{
string coverFileName = "cover.jpg";
string physPath = Path.Combine( physDirectory, coverFileName );
album.CoverFile.SaveAs( physPath );
album.CoverImagePath = Path.Combine( directory, coverFileName );
}
//foreach( var e in ctx.ChangeTracker.Entries() )
//{
// e.State = System.Data.Entity.EntityState.Modified;
//}
//ctx.Entry( album ).State = System.Data.Entity.EntityState.Modified;
ctx.SaveChanges();
return album;
}
}
public void Database_Should_Always_Be_Created()
{
Database.SetInitializer(new DropCreateDatabaseAlways<NwdMusikEntities>());
Database.SetInitializer( new DropCreateDatabaseAlways<NwdFrontOfficeContext>() );
using (var ctx = new NwdMusikEntities())
{
ctx.Database.Initialize(true);
Assert.That(ctx.Database.Exists());
Console.WriteLine(ctx.Database.Connection.ConnectionString);
}
using( var ctx = new NwdFrontOfficeContext() )
{
ctx.Database.Initialize( true );
Assert.That( ctx.Database.Exists() );
Console.WriteLine( ctx.Database.Connection.ConnectionString );
}
}
public Catalog GetCatalog()
{
using( var ctx = new NwdMusikEntities() )
{
return new Catalog
{
Albums = (from a in ctx.Albums
select new AlbumThumbnailViewModel
{
AlbumId = a.Id,
AlbumName = a.Title,
ArtistName = a.Artist.Name,
CoverImageUrl = a.CoverImagePath,
TracksCount = a.Tracks.Count
}).ToArray(),
NumberOfAlbum = ctx.Albums.Count()
};
}
}
public MiniPlayer GetMiniPlayerFor( int idAlbum, int trackNumber )
{
using( var ctx = new NwdMusikEntities() )
{
return
(
from a in ctx.Albums
let track = (from s in a.Tracks
where s.AlbumId == a.Id && s.Number == trackNumber
select s).FirstOrDefault()
where a.Id == idAlbum
select new MiniPlayer
{
SongFilePath = track.FileRelativePath
}
).FirstOrDefault();
}
}
/// <summary>
/// Create an album and add it to the store. An album is composed of tracks.
/// </summary>
/// <param name="album"></param>
/// <param name="server"></param>
/// <returns></returns>
public Album CreateAlbum( Album album, HttpServerUtilityBase server )
{
if( album == null )
{
throw new ArgumentNullException( "album" );
}
if( server == null )
{
throw new ArgumentNullException( "server" );
}
using( var ctx = new NwdMusikEntities() )
{
album = ctx.Albums.Add( album );
string directory;
string physDirectory;
EnsureDirectory( server, album, out directory, out physDirectory );
foreach( var track in album.Tracks )
{
HttpPostedFileBase file = track.File;
if( file == null ) throw new ApplicationException( "You must add a file to a track" );
string fileName = SaveFile( physDirectory, file );
track.FileRelativePath = Path.Combine( directory, fileName );
}
if( album.CoverFile != null )
{
string coverFileName = "cover.jpg";
string physPath = Path.Combine( physDirectory, coverFileName );
album.CoverFile.SaveAs( physPath );
album.CoverImagePath = Path.Combine( directory, coverFileName );
}
ctx.SaveChanges();
return album;
}
}
public void DeleteAlbum(Album album)
{
if (album == null)
{
throw new ArgumentNullException("Aucun album");
}
using (var ctx = new NwdMusikEntities())
{
var albumToDelete = ctx.Albums.Find(album.Id);
if (albumToDelete != null)
ctx.Albums.Remove(albumToDelete);
ctx.SaveChanges();
}
}
public List<Album> GetAllAlbums()
{
using( var ctx = new NwdMusikEntities() )
{
return ctx.Albums.ToList();
}
}
public Album GetAlbumForEdit( int idAlbum )
{
using( var ctx = new NwdMusikEntities() )
{
return ctx.Albums.Include( "Tracks" ).Include( "Tracks.Song" ).Include( "Artist" ).SingleOrDefault( a => a.Id == idAlbum );
}
}