KCDDB

cache.cpp
1/*
2 SPDX-FileCopyrightText: 2002 Rik Hemsley (rikkus) <rik@kde.org>
3 SPDX-FileCopyrightText: 2002 Benjamin Meyer <ben-devel@meyerhome.net>
4 SPDX-FileCopyrightText: 2002 Nadeem Hasan <nhasan@kde.org>
5 SPDX-FileCopyrightText: 2007 Richard Lärkäng <nouseforaname@home.se>
6
7 SPDX-License-Identifier: LGPL-2.0-or-later
8*/
9
10#include "cache.h"
11
12#include "config.h"
13#include "cddb.h"
14#include "logging.h"
15
16#include "config-musicbrainz.h"
17#ifdef HAVE_MUSICBRAINZ5
18#include "musicbrainz/musicbrainzlookup.h"
19#endif
20
21#include <QFile>
22#include <QDir>
23#include <QTextStream>
24
25namespace KCDDB
26{
27 CDInfoList
28 Cache::lookup( const TrackOffsetList &offsetList, const Config& c )
29 {
30 QString cddbId = CDDB::trackOffsetListToId(offsetList);
31
32 qCDebug(LIBKCDDB) << "Looking up " << cddbId << " in CDDB cache";
33
34 CDInfoList infoList;
35
36 infoList << CDDB::cacheFiles(offsetList, c);
37#ifdef HAVE_MUSICBRAINZ5
38 infoList << MusicBrainzLookup::cacheFiles(offsetList, c);
39#endif
40
41 return infoList;
42 }
43
44 void
45 Cache::store(const TrackOffsetList& offsetList, const CDInfoList& list, const Config& c)
46 {
47 for (const CDInfo &info : list) {
48 store(offsetList, info, c);
49 }
50 }
51
52 void
53 Cache::store(const TrackOffsetList& offsetList, const CDInfo& info, const Config& c)
54 {
55 QString discid = info.get(QLatin1String( "discid" )).toString();
56
57 // Some entries from freedb could contain several discids separated
58 // by a ','. Store for each discid, but replace the discid line
59 // so it doesn't happen again.
60 const QStringList discids = discid.split(QLatin1Char( ',' ));
61 if (discids.count() > 2)
62 {
63 for (const QString &newid : discids) {
64 CDInfo newInfo = info;
65 newInfo.set(QLatin1String( "discid" ), newid);
66 store(offsetList, newInfo, c);
67 }
68 }
69
70 QString source = info.get(QLatin1String( "source" )).toString();
71
72 QString cacheDir;
73 QString cacheFile;
74
75 CDInfo newInfo = info;
76
77 if (source == QLatin1String( "freedb" ))
78 {
79 cacheDir = QLatin1Char( '/' ) + info.get(QLatin1String( "category" )).toString() + QLatin1Char( '/' );
80 cacheFile = discid;
81 }
82 else if (source == QLatin1String( "musicbrainz" ))
83 {
84 cacheDir = QLatin1String( "/musicbrainz/" );
85 cacheFile = discid;
86 }
87 else
88 {
89 if (source != QLatin1String( "user" ))
90 qCWarning(LIBKCDDB) << "Unknown source " << source << " for CDInfo";
91
92 cacheDir = QLatin1String( "/user/" );
93 QString id = CDDB::trackOffsetListToId(offsetList);
94 cacheFile = id;
95 newInfo.set(QLatin1String( "discid" ), id);
96 }
97
98 const QStringList cacheLocations = c.cacheLocations();
99
100 if (!cacheLocations.isEmpty()) {
101 cacheDir = cacheLocations.first() + cacheDir;
102
103 QDir dir;
104
105 if (!dir.exists(cacheDir))
106 {
107 if (!dir.mkpath(cacheDir))
108 {
109 qCWarning(LIBKCDDB) << "Couldn't create cache directory " << cacheDir;
110 return;
111 }
112 }
113
114 qCDebug(LIBKCDDB) << "Storing " << cacheFile << " in CDDB cache";
115
116 QFile f(cacheDir + QLatin1Char( '/' ) + cacheFile);
117 if ( f.open(QIODevice::WriteOnly) )
118 {
119 QTextStream ts(&f);
120#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
121 ts.setCodec("UTF-8");
122#endif
123 ts << newInfo.toString();
124 f.close();
125 }
126 } else {
127 qDebug() << "There's no cache dir defined, not storing it";
128 }
129 }
130}
131
132// vim:tabstop=2:shiftwidth=2:expandtab:cinoptions=(s,U1,m1
KIOCORE_EXPORT QString dir(const QString &fileClass)
qsizetype count() const const
T & first()
bool isEmpty() const const
QStringList split(QChar sep, Qt::SplitBehavior behavior, Qt::CaseSensitivity cs) const const
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