public static ApiModels.Album GetAlbum(DataModels.Album album)
{
if (album == null)
{
return(null);
}
return(new ApiModels.Album()
{
Id = album.VkId,
Title = album.Title,
});
}
public async Task <Album> AddAsync(Album newAlbum, CancellationToken ct = default(CancellationToken))
{
var album = new DataModels.Album
{
Title = newAlbum.Title,
ArtistId = newAlbum.ArtistId
};
_context.Album.Add(album);
await _context.SaveChangesAsync(ct);
newAlbum.AlbumId = album.AlbumId;
return(newAlbum);
}
public ApiResponse <object> LoadAudios(DataModels.User user)
{
//get and remove all current user's albums/audios
List <DataModels.Album> dataAlbumList = _dbContext.Albums.Where(x => x.UserId == user.Id).ToList();
List <DataModels.Audio> dataAudioList = _dbContext.Audios.Where(x => x.UserId == user.Id).ToList();
IEnumerable <int> audioIdList = dataAudioList.Select(x => x.VkId);
List <DataModels.MixAudio> mixDataAudioList = _dbContext.MixAudios.Where(x => audioIdList.Contains(x.AudioId)).ToList();
//Task loadAlbums = Task.Run(() =>
// dataAlbumList = _dbContext.Albums.Where(x => x.UserId == user.Id).ToList());
//Task loadAudios = Task.Run(() =>
// dataAudioList = _dbContext.Audios.Where(x => x.UserId == user.Id).ToList());
//await Task.WhenAll(loadAlbums, loadAudios);
_dbContext.MixAudios.RemoveRange(mixDataAudioList);
_dbContext.Audios.RemoveRange(dataAudioList);
_dbContext.Albums.RemoveRange(dataAlbumList);
//download all (okey, 6000)
VkModels.AlbumEtity vkAlbumEntity = null;
VkModels.AudioEtity vkAudioEntity = null;
try
{
vkAlbumEntity = _vkWebService.GetAlbums(user.AccessToken, 100);
} catch (Exception ex)
{
return(new ApiResponse <object>(ex.Message));
}
try
{ //TODO: mb add few Tasks for better perform? Need to check
vkAudioEntity = _vkWebService.GetAudios(user.AccessToken, 6000);
} catch (Exception ex)
{
return(new ApiResponse <object>(ex.Message));
}
//album errors
if (vkAlbumEntity.error != null)
{
return(new ApiResponse <object>(vkAlbumEntity.error?.error_msg));
}
if (vkAlbumEntity.response == null)
{
return(new ApiResponse <object>("Album response is null"));
}
//audio errors
if (vkAudioEntity.error != null)
{
return(new ApiResponse <object>(vkAudioEntity.error?.error_msg));
}
if (vkAudioEntity.response == null)
{
return(new ApiResponse <object>("Audio response is null"));
}
user.AlbumsCount = vkAlbumEntity.response.items.Count();
user.AudiosCount = vkAudioEntity.response.items.Count();
_dbContext.Entry(user).State = System.Data.Entity.EntityState.Modified;
//map albums
IEnumerable <DataModels.Album> albums = vkAlbumEntity
.response
.items
.Select(x =>
{
DataModels.Album dataAlbum = VkMapper.GetAlbum(x);
dataAlbum.UserId = user.Id;
return(dataAlbum);
});
//map musics
var audioList = new List <DataModels.Audio>(vkAudioEntity.response.items.Count());
for (int i = 0; i < vkAudioEntity.response.items.Count(); i++)
{
var mappedAudio = VkMapper.GetAudio(vkAudioEntity.response.items.ElementAt(i));
mappedAudio.Order = i + 1;
mappedAudio.UserId = user.Id;
audioList.Add(mappedAudio);
}
//add ranges and save changes
_dbContext.Albums.AddRange(albums);
_dbContext.SaveChanges();
foreach (var aud in audioList)
{
DataModels.Album album = _dbContext.Albums.Local.FirstOrDefault(x => aud.AlbumId == x.VkId);
if (album != null)
{
aud.AlbumId = album.Id;
}
}
_dbContext.Audios.AddRange(audioList);
_dbContext.SaveChanges();
return(new ApiResponse <object>()
{
Ok = true
});
}
