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
|
/*
This file is part of Subsonic.
Subsonic is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Subsonic is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Subsonic. If not, see <http://www.gnu.org/licenses/>.
Copyright 2009 (C) Sindre Mehus
*/
package net.sourceforge.subsonic.ajax;
import java.text.DateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Locale;
import javax.servlet.http.HttpServletRequest;
import net.sourceforge.subsonic.dao.MediaFileDao;
import net.sourceforge.subsonic.service.SettingsService;
import org.directwebremoting.WebContextFactory;
import net.sourceforge.subsonic.domain.MediaFile;
import net.sourceforge.subsonic.domain.Playlist;
import net.sourceforge.subsonic.service.MediaFileService;
import net.sourceforge.subsonic.service.SecurityService;
/**
* Provides AJAX-enabled services for manipulating playlists.
* This class is used by the DWR framework (http://getahead.ltd.uk/dwr/).
*
* @author Sindre Mehus
*/
public class PlaylistService {
private MediaFileService mediaFileService;
private SecurityService securityService;
private net.sourceforge.subsonic.service.PlaylistService playlistService;
private MediaFileDao mediaFileDao;
private SettingsService settingsService;
public List<Playlist> getReadablePlaylists() {
HttpServletRequest request = WebContextFactory.get().getHttpServletRequest();
String username = securityService.getCurrentUsername(request);
return playlistService.getReadablePlaylistsForUser(username);
}
public List<Playlist> getWritablePlaylists() {
HttpServletRequest request = WebContextFactory.get().getHttpServletRequest();
String username = securityService.getCurrentUsername(request);
return playlistService.getWritablePlaylistsForUser(username);
}
public PlaylistInfo getPlaylist(int id) {
HttpServletRequest request = WebContextFactory.get().getHttpServletRequest();
Playlist playlist = playlistService.getPlaylist(id);
List<MediaFile> files = playlistService.getFilesInPlaylist(id);
String username = securityService.getCurrentUsername(request);
mediaFileService.populateStarredDate(files, username);
return new PlaylistInfo(playlist, createEntries(files));
}
public List<Playlist> createEmptyPlaylist() {
HttpServletRequest request = WebContextFactory.get().getHttpServletRequest();
Locale locale = settingsService.getLocale();
DateFormat dateFormat = DateFormat.getDateTimeInstance(DateFormat.MEDIUM, DateFormat.SHORT, locale);
Date now = new Date();
Playlist playlist = new Playlist();
playlist.setUsername(securityService.getCurrentUsername(request));
playlist.setCreated(now);
playlist.setChanged(now);
playlist.setPublic(false);
playlist.setName(dateFormat.format(now));
playlistService.createPlaylist(playlist);
return getReadablePlaylists();
}
public void appendToPlaylist(int playlistId, List<Integer> mediaFileIds) {
List<MediaFile> files = playlistService.getFilesInPlaylist(playlistId);
for (Integer mediaFileId : mediaFileIds) {
MediaFile file = mediaFileService.getMediaFile(mediaFileId);
if (file != null) {
files.add(file);
}
}
playlistService.setFilesInPlaylist(playlistId, files);
}
private List<PlaylistInfo.Entry> createEntries(List<MediaFile> files) {
List<PlaylistInfo.Entry> result = new ArrayList<PlaylistInfo.Entry>();
for (MediaFile file : files) {
result.add(new PlaylistInfo.Entry(file.getId(), file.getTitle(), file.getArtist(), file.getAlbumName(),
file.getDurationString(), file.getStarredDate() != null));
}
return result;
}
public PlaylistInfo toggleStar(int id, int index) {
HttpServletRequest request = WebContextFactory.get().getHttpServletRequest();
String username = securityService.getCurrentUsername(request);
List<MediaFile> files = playlistService.getFilesInPlaylist(id);
MediaFile file = files.get(index);
boolean starred = mediaFileDao.getMediaFileStarredDate(file.getId(), username) != null;
if (starred) {
mediaFileDao.unstarMediaFile(file.getId(), username);
} else {
mediaFileDao.starMediaFile(file.getId(), username);
}
return getPlaylist(id);
}
public PlaylistInfo remove(int id, int index) {
List<MediaFile> files = playlistService.getFilesInPlaylist(id);
files.remove(index);
playlistService.setFilesInPlaylist(id, files);
return getPlaylist(id);
}
public PlaylistInfo up(int id, int index) {
List<MediaFile> files = playlistService.getFilesInPlaylist(id);
if (index > 0) {
MediaFile file = files.remove(index);
files.add(index - 1, file);
playlistService.setFilesInPlaylist(id, files);
}
return getPlaylist(id);
}
public PlaylistInfo down(int id, int index) {
List<MediaFile> files = playlistService.getFilesInPlaylist(id);
if (index < files.size() - 1) {
MediaFile file = files.remove(index);
files.add(index + 1, file);
playlistService.setFilesInPlaylist(id, files);
}
return getPlaylist(id);
}
public void deletePlaylist(int id) {
playlistService.deletePlaylist(id);
}
public PlaylistInfo updatePlaylist(int id, String name, String comment, boolean isPublic) {
Playlist playlist = playlistService.getPlaylist(id);
playlist.setName(name);
playlist.setComment(comment);
playlist.setPublic(isPublic);
playlistService.updatePlaylist(playlist);
return getPlaylist(id);
}
public void setPlaylistService(net.sourceforge.subsonic.service.PlaylistService playlistService) {
this.playlistService = playlistService;
}
public void setSecurityService(SecurityService securityService) {
this.securityService = securityService;
}
public void setMediaFileService(MediaFileService mediaFileService) {
this.mediaFileService = mediaFileService;
}
public void setMediaFileDao(MediaFileDao mediaFileDao) {
this.mediaFileDao = mediaFileDao;
}
public void setSettingsService(SettingsService settingsService) {
this.settingsService = settingsService;
}
}
|
