1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
|
using MediaBrowser.Common.Progress;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Entities.Audio;
using MediaBrowser.Controller.Library;
using MediaBrowser.Model.Dto;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.Logging;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
namespace MediaBrowser.Server.Implementations.Library.Validators
{
/// <summary>
/// Class ArtistsValidator
/// </summary>
public class ArtistsValidator
{
/// <summary>
/// The _library manager
/// </summary>
private readonly ILibraryManager _libraryManager;
/// <summary>
/// The _user manager
/// </summary>
private readonly IUserManager _userManager;
/// <summary>
/// The _logger
/// </summary>
private readonly ILogger _logger;
/// <summary>
/// Initializes a new instance of the <see cref="ArtistsPostScanTask" /> class.
/// </summary>
/// <param name="libraryManager">The library manager.</param>
/// <param name="userManager">The user manager.</param>
/// <param name="logger">The logger.</param>
public ArtistsValidator(ILibraryManager libraryManager, IUserManager userManager, ILogger logger)
{
_libraryManager = libraryManager;
_userManager = userManager;
_logger = logger;
}
/// <summary>
/// Runs the specified progress.
/// </summary>
/// <param name="progress">The progress.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>Task.</returns>
public async Task Run(IProgress<double> progress, CancellationToken cancellationToken)
{
var allItems = _libraryManager.RootFolder.GetRecursiveChildren();
var allSongs = allItems.OfType<Audio>().ToList();
var innerProgress = new ActionableProgress<double>();
innerProgress.RegisterAction(pct => progress.Report(pct * .8));
var allArtists = await GetAllArtists(allSongs, cancellationToken, innerProgress).ConfigureAwait(false);
progress.Report(80);
var numComplete = 0;
var userLibraries = _userManager.Users
.Select(i => new Tuple<Guid, List<IHasArtist>>(i.Id, i.RootFolder.GetRecursiveChildren(i).OfType<IHasArtist>().ToList()))
.ToList();
var numArtists = allArtists.Count;
foreach (var artist in allArtists)
{
cancellationToken.ThrowIfCancellationRequested();
// Only do this for artists accessed by name. Folder-based artists use ArtistInfoFromSongsProvider
if (artist.IsAccessedByName && !artist.LockedFields.Contains(MetadataFields.Genres))
{
// Avoid implicitly captured closure
var artist1 = artist;
artist.Genres = allSongs.Where(i => i.HasArtist(artist1.Name))
.SelectMany(i => i.Genres)
.Distinct(StringComparer.OrdinalIgnoreCase)
.ToList();
}
// Populate counts of items
//SetItemCounts(artist, null, allItems.OfType<IHasArtist>());
foreach (var lib in userLibraries)
{
SetItemCounts(artist, lib.Item1, lib.Item2);
}
numComplete++;
double percent = numComplete;
percent /= numArtists;
percent *= 20;
progress.Report(80 + percent);
}
progress.Report(100);
}
/// <summary>
/// Sets the item counts.
/// </summary>
/// <param name="artist">The artist.</param>
/// <param name="userId">The user id.</param>
/// <param name="allItems">All items.</param>
private void SetItemCounts(MusicArtist artist, Guid? userId, IEnumerable<IHasArtist> allItems)
{
var name = artist.Name;
var items = allItems
.Where(i => i.HasArtist(name))
.ToList();
var counts = new ItemByNameCounts
{
TotalCount = items.Count,
SongCount = items.OfType<Audio>().Count(),
AlbumCount = items.OfType<MusicAlbum>().Count(),
MusicVideoCount = items.OfType<MusicVideo>().Count()
};
if (userId.HasValue)
{
artist.SetItemByNameCounts(userId.Value, counts);
}
}
/// <summary>
/// Gets all artists.
/// </summary>
/// <param name="allSongs">All songs.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <param name="progress">The progress.</param>
/// <returns>Task{Artist[]}.</returns>
private async Task<List<MusicArtist>> GetAllArtists(IEnumerable<Audio> allSongs, CancellationToken cancellationToken, IProgress<double> progress)
{
var allArtists = _libraryManager.GetAllArtists(allSongs)
.ToList();
var returnArtists = new List<MusicArtist>(allArtists.Count);
var numComplete = 0;
var numArtists = allArtists.Count;
foreach (var artist in allArtists)
{
cancellationToken.ThrowIfCancellationRequested();
try
{
var artistItem = _libraryManager.GetArtist(artist);
await artistItem.RefreshMetadata(cancellationToken).ConfigureAwait(false);
returnArtists.Add(artistItem);
}
catch (IOException ex)
{
_logger.ErrorException("Error validating Artist {0}", ex, artist);
}
// Update progress
numComplete++;
double percent = numComplete;
percent /= numArtists;
progress.Report(100 * percent);
}
return returnArtists;
}
}
}
|
