File indexing completed on 2024-04-28 15:35:50

 // SPDX-FileCopyrightText: 2017 Dan Leinir Turthra Jensen <admin@leinir.dk>
 // SPDX-License-Identifier: LGPL-2.1-only or LGPL-3.0-only or LicenseRef-KDE-Accepted-LGPL
 
 #pragma once
 
 #include <QObject>
 #include <memory>
 #include <optional>
 
 struct BookEntry;
 /**
  * \brief A Class to hold a cache of known books to reduce the amount of time spent indexing.
  *
  * BookDatabase handles holding the conversion between SQL entry and
  * BookEntry structs.
  *
  * The BookEntry struct is defined in CategoryEntriesModel.
  */
 class BookDatabase : public QObject
 {
     Q_OBJECT
 public:
     static BookDatabase &self()
     {
         static BookDatabase instance;
         return instance;
     }
 
     /// @return a list of all known books in the database.
     QList<BookEntry> loadEntries();
 
     /// @return an entry matching the file name if it exists.
     std::optional<BookEntry> loadEntry(const QString &fileName);
 
     /// \brief Add a new book to the cache.
     /// \param entry The entry to add.
     void addEntry(const BookEntry &entry);
 
     /// \brief remove an entry by filename from the cache.
     /// \param entry the entry to remove.
     void removeEntry(const BookEntry &entry);
 
     /// \brief updateEntry update an entry by filename.
     /// \param fileName the filename of the entry to update.
     /// \param property the property/fieldname you wish to update.
     /// \param value a QVariant with the value.
     void updateEntry(const QString &fileName, const QString &property, const QVariant &value);
 
 private:
     explicit BookDatabase(QObject *parent = nullptr);
     ~BookDatabase() override;
 
     class Private;
     std::unique_ptr<Private> d;
 };