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
|
#include "database.h"
Artist::p Artist::get(int id) {
QSqlQuery query;
query.prepare("SELECT id, name FROM artists WHERE id = :id");
query.bindValue(":id", id);
query.exec();
if(!query.first()) {
return Artist::p();
}
Artist::p p(new Artist);
p->_id = query.value(0).toInt();
p->_name = query.value(1).toString();
return p;
}
QString Artist::name() {
return _name;
}
Album::p Album::get(int id) {
QSqlQuery query;
query.prepare("SELECT id, artist_id, name, tracks FROM albums WHERE id = :id");
query.bindValue(":id", id);
query.exec();
if(!query.first()) {
return Album::p();
}
Album::p p(new Album);
p->_id = query.value(0).toInt();
p->_artist_id = query.value(1).toInt();
p->_name = query.value(2).toString();
p->_tracks = query.value(3).toInt();
return p;
}
QString Album::name() {
return _name;
}
Artist::p Album::artist() {
return Artist::get(_artist_id);
}
Track::p Track::get(int id) {
QSqlQuery query;
query.prepare("SELECT id, artist_id, album_id, name, length, num, file_name, file_index FROM tracks WHERE id = :id");
query.bindValue(":id", id);
query.exec();
if(!query.first()) {
return Track::p();
}
Track::p p(new Track);
p->_id = query.value(0).toInt();
p->_artist_id = query.value(1).toInt();
p->_album_id = query.value(2).toInt();
p->_name = query.value(3).toString();
p->_length = query.value(4).toInt();
p->_num = query.value(5).toInt();
p->_file_name = query.value(6).toString();
p->_file_index = query.value(7).toInt();
return p;
}
QString Track::name() {
return _name;
}
Artist::p Track::artist() {
return Artist::get(_artist_id);
}
Album::p Track::album() {
return Album::get(_album_id);
}
Database::Database() {
db = QSqlDatabase::addDatabase("QSQLITE");
db.setDatabaseName("ongaku.db");
qDebug() << "db.open():" << db.open();
}
|
