Sayonara Player
Base.h
1 /* AbstractDatabase.h */
2 
3 /* Copyright (C) 2011-2017 Lucio Carreras
4  *
5  * This file is part of sayonara player
6  *
7  * This program is free software: you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation, either version 3 of the License, or
10  * (at your option) any later version.
11 
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15  * GNU General Public License for more details.
16 
17  * You should have received a copy of the GNU General Public License
18  * along with this program. If not, see <http://www.gnu.org/licenses/>.
19  */
20 
21 #ifndef ABSTRACTDATABASE_H
22 #define ABSTRACTDATABASE_H
23 
24 #include "Database/Module.h"
25 #include "Utils/Pimpl.h"
26 #include <QObject>
27 
28 
29 class QSqlDatabase;
30 
31 namespace DB
32 {
33  class Base :
34  public QObject,
35  public DB::Module
36  {
37  PIMPL(Base)
38 
39  public:
40  explicit Base(DbId db_id, const QString& filename, QObject *parent=nullptr);
41  virtual ~Base();
42 
43  virtual bool close_db();
44  virtual bool is_initialized();
45 
46  virtual void transaction();
47  virtual void commit();
48  virtual void rollback();
49 
50  protected:
51  virtual bool create_db();
52  virtual bool apply_fixes()=0;
53 
54  virtual bool check_and_insert_column(const QString& tablename, const QString& column, const QString& sqltype, const QString& default_value=QString());
55  virtual bool check_and_create_table(const QString& tablename, const QString& sql_create_str);
56  virtual bool check_and_drop_table(const QString& tablename);
57  };
58 }
59 
60 #endif // ABSTRACTDATABASE_H
Definition: Module.h:35
Definition: Base.h:33
Definition: Albums.h:31