Sayonara Player
Base.h
1 /* AbstractDatabase.h */
2 
3 /* Copyright (C) 2011-2020 Michael Lugmair (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 class QSqlDatabase;
29 
30 namespace DB
31 {
32  class Base :
33  public QObject,
34  public DB::Module
35  {
36  PIMPL(Base)
37 
38  public:
39  Base(DbId databaseId, const QString& sourceDirectory, const QString& targetDirectory, const QString& filename, QObject* parent=nullptr);
40  virtual ~Base();
41 
42  virtual bool closeDatabase();
43  virtual bool isInitialized();
44 
45  virtual void transaction();
46  virtual void commit();
47  virtual void rollback();
48 
49  protected:
50  virtual bool createDatabase();
51  virtual bool applyFixes()=0;
52 
53  virtual bool checkAndInsertColumn(const QString& tablename, const QString& column, const QString& sqltype, const QString& default_value);
54  virtual bool checkAndInsertColumn(const QString& tablename, const QString& column, const QString& sqltype);
55  virtual bool checkAndCreateTable(const QString& tablename, const QString& sql_create_str);
56  virtual bool checkAndDropTable(const QString& tablename);
57  };
58 }
59 
60 #endif // ABSTRACTDATABASE_H
DB::Module
Definition: Module.h:33
DB::Base
Definition: Base.h:35