File indexing completed on 2024-05-12 16:23:41 

0001 // SPDX-FileCopyrightText: 2020 Jonah Brüchert <jbb@kaidan.im>
0002 // SPDX-FileCopyrightText: 2020 Rinigus <rinigus.git@gmail.com>
0003 //
0004 // SPDX-License-Identifier: GPL-2.0-or-later
0005 
0006 #ifndef DBMANAGER_H
0007 #define DBMANAGER_H
0008 
0009 #include <QObject>
0010 #include <QString>
0011 #include <QSqlDatabase>
0012 
0013 #include <ThreadedDatabase>
0014 
0015 #include <QCoro/QCoroTask>
0016 
0017 class QQmlEngine;
0018 
0019 /**
0020  * @class DBManager
0021  * @short Class for database initialization and applying changes in its records
0022  */
0023 class DBManager : public QObject
0024 {
0025     Q_OBJECT
0026 public:
0027     explicit DBManager(QObject *parent = nullptr);
0028 
0029 Q_SIGNALS:
0030     // emitted with the name of the table that has been changed
0031     void databaseTableChanged(QString table);
0032 
0033 public:
0034     QCoro::Task<> addBookmark(const QVariantMap bookmarkdata);
0035     QCoro::Task<> removeBookmark(const QString url);
0036     QCoro::Task<bool> isBookmarked(const QString url) const;
0037 
0038     QCoro::Task<> addToHistory(const QVariantMap pagedata);
0039     QCoro::Task<> removeFromHistory(const QString url);
0040     QCoro::Task<> clearHistory();
0041 
0042     QCoro::Task<> updateIcon(QQmlEngine *engine, const QString url, const QString iconSource);
0043     QCoro::Task<> updateLastVisited(const QString url);
0044 
0045     inline std::shared_ptr<ThreadedDatabase> database() {
0046         return m_database;
0047     }
0048 
0049 private:
0050     // limit the size of history table
0051     QCoro::Task<> trimHistory();
0052     // drop unused icons
0053     QCoro::Task<> trimIcons();
0054 
0055     // execute SQL statement
0056     QCoro::Task<> execute(const QString command);
0057 
0058     // methods for manipulation of bookmarks or history tables
0059     QCoro::Task<> addRecord(const QString table, const QVariantMap pagedata);
0060     QCoro::Task<> removeRecord(const QString table, const QString url);
0061     QCoro::Task<> removeAllRecords(const QString table);
0062     QCoro::Task<> updateIconRecord(const QString table, const QString url, const QString iconSource);
0063     QCoro::Task<> setLastVisitedRecord(const QString table, const QString url);
0064     QCoro::Task<bool> hasRecord(const QString table, const QString url) const;
0065 
0066     std::shared_ptr<ThreadedDatabase> m_database;
0067 };
0068 
0069 #endif // DBMANAGER_H