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
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
|
/*
Copyright (c) 2006 Nikolaj Hald Nielsen <nhnFreespirit@gmail.com>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "amarok.h"
#include "debug.h"
#include "magnatunedatabasehandler.h"
#include "magnatunexmlparser.h"
#include "statusbar.h"
MagnatuneXmlParser::MagnatuneXmlParser( TQString filename )
: ThreadManager::Job( "MagnatuneXmlParser" )
{
m_currentArtist = "";
m_sFileName = filename;
}
MagnatuneXmlParser::~MagnatuneXmlParser()
{}
bool
MagnatuneXmlParser::doJob( )
{
readConfigFile( m_sFileName );
return true;
}
void
MagnatuneXmlParser::completeJob( )
{
Amarok::StatusBar::instance() ->longMessage(
i18n( "Magnatune.com database update complete. Added %1 tracks on %2 albums from %3 artists" )
.tqarg( m_nNumberOfTracks )
.tqarg( m_nNumberOfAlbums )
.tqarg( m_nNumberOfArtists ), KDE::StatusBar::Information );
emit( doneParsing() );
}
void
MagnatuneXmlParser::readConfigFile( TQString filename )
{
m_nNumberOfTracks = 0;
m_nNumberOfAlbums = 0;
m_nNumberOfArtists = 0;
TQDomDocument doc( "config" );
TQFile file( filename );
if ( !file.open( IO_ReadOnly ) )
return ;
if ( !doc.setContent( &file ) )
{
file.close();
return ;
}
file.close();
MagnatuneDatabaseHandler::instance() ->destroyDatabase();
MagnatuneDatabaseHandler::instance() ->createDatabase();
//run through all the elements
TQDomElement docElem = doc.documentElement();
MagnatuneDatabaseHandler::instance() ->begin(); //start transaction (MAJOR speedup!!)
parseElement( docElem );
MagnatuneDatabaseHandler::instance() ->commit(); //complete transaction
return ;
}
void
MagnatuneXmlParser::parseElement( TQDomElement e )
{
TQString sElementName = e.tagName();
sElementName == "Album" ?
parseAlbum( e ) :
parseChildren( e );
}
void
MagnatuneXmlParser::parseChildren( TQDomElement e )
{
TQDomNode n = e.firstChild();
while ( !n.isNull() )
{
if ( n.isElement() )
parseElement( n.toElement() );
n = n.nextSibling();
}
}
void
MagnatuneXmlParser::parseAlbum( TQDomElement e )
{
m_pCurrentAlbum = new MagnatuneAlbum();
m_pCurrentArtist = new MagnatuneArtist();
TQString sElementName;
TQDomNode n = e.firstChild();
TQDomElement childElement;
while ( !n.isNull() )
{
if ( n.isElement() )
{
childElement = n.toElement();
TQString sElementName = childElement.tagName();
if ( sElementName == "albumname" )
//printf(("|--+" + childElement.text() + "\n").ascii());
//m_currentAlbumItem = new MagnatuneListViewAlbumItem( m_currentArtistItem);
m_pCurrentAlbum->setName( childElement.text() );
else if ( sElementName == "albumsku" )
m_pCurrentAlbum->setAlbumCode( childElement.text() );
else if ( sElementName == "magnatunegenres" )
m_pCurrentAlbum->setMagnatuneGenres( childElement.text() );
else if ( sElementName == "launchdate" )
{
TQString dateString = childElement.text();
TQDate date = TQDate::fromString( dateString, Qt::ISODate );
m_pCurrentAlbum->setLaunchDate( date );
}
else if ( sElementName == "cover_small" )
m_pCurrentAlbum->setCoverURL( childElement.text() );
else if ( sElementName == "artist" )
m_pCurrentArtist->setName( childElement.text() );
else if ( sElementName == "artistdesc" )
m_pCurrentArtist->setDescription( childElement.text() );
else if ( sElementName == "artistphoto" )
m_pCurrentArtist->setPhotoURL( childElement.text() );
else if ( sElementName == "mp3genre" )
m_pCurrentAlbum->setMp3Genre( childElement.text() );
else if ( sElementName == "home" )
m_pCurrentArtist->setHomeURL( childElement.text() );
else if ( sElementName == "Track" )
parseTrack( childElement );
}
n = n.nextSibling();
}
// now we should have gathered all info about current album (and artist)...
//Time to add stuff to the database
//check if artist already exists, if not, create him/her/them/it
int artistId = MagnatuneDatabaseHandler::instance() ->getArtistIdByExactName( m_pCurrentArtist->getName() );
if ( artistId == -1 )
{
//does not exist, lets create it...
//this is tricky in postgresql, returns id as 0 (we are within a transaction, might be the cause...)
artistId = MagnatuneDatabaseHandler::instance()->insertArtist( m_pCurrentArtist );
m_nNumberOfArtists++;
if ( artistId == 0 )
{
artistId = MagnatuneDatabaseHandler::instance() ->getArtistIdByExactName( m_pCurrentArtist->getName() );
}
}
int albumId = MagnatuneDatabaseHandler::instance()->insertAlbum( m_pCurrentAlbum, artistId );
if ( albumId == 0 ) // again, postgres can play tricks on us...
{
albumId = MagnatuneDatabaseHandler::instance()->getAlbumIdByAlbumCode( m_pCurrentAlbum->getAlbumCode() );
}
m_nNumberOfAlbums++;
MagnatuneTrackList::iterator it;
for ( it = m_currentAlbumTracksList.begin(); it != m_currentAlbumTracksList.end(); ++it )
{
MagnatuneDatabaseHandler::instance() ->insertTrack( &( *it ), albumId, artistId );
m_nNumberOfTracks++;
}
m_currentAlbumTracksList.clear();
}
void
MagnatuneXmlParser::parseTrack( TQDomElement e )
{
TQString trackName;
TQString trackNumber;
TQString streamingUrl;
TQString sElementName;
TQDomElement childElement;
MagnatuneTrack currentTrack;
TQDomNode n = e.firstChild();
while ( !n.isNull() )
{
if ( n.isElement() )
{
childElement = n.toElement();
TQString sElementName = childElement.tagName();
if ( sElementName == "trackname" )
{
currentTrack.setName( childElement.text() );
}
else if ( sElementName == "url" )
{
currentTrack.setHifiURL( childElement.text() );
}
else if ( sElementName == "mp3lofi" )
{
currentTrack.setLofiURL( childElement.text() );
}
else if ( sElementName == "tracknum" )
{
currentTrack.setTrackNumber( childElement.text().toInt() );
}
else if ( sElementName == "seconds" )
{
currentTrack.setDuration( childElement.text().toInt() );
}
}
n = n.nextSibling();
}
m_currentAlbumTracksList.append( currentTrack );
}
#include "magnatunexmlparser.moc"
|
