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 /*
  *   Copyright 2018 Camilo Higuita <milo.h@aol.com>
  *
  *   This program is free software; you can redistribute it and/or modify
  *   it under the terms of the GNU Library General Public License as
  *   published by the Free Software Foundation; either version 2, or
  *   (at your option) any later version.
  *
  *   This program is distributed in the hope that it will be useful,
  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  *   GNU General Public License for more details
  *
  *   You should have received a copy of the GNU Library General Public
  *   License along with this program; if not, write to the
  *   Free Software Foundation, Inc.,
  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  */
 
 #pragma once
 
 #include <QObject>
 
 #include <QString>
 #include <QStringList>
 #include <QVariantMap>
 #include <QSqlDatabase>
 
 #if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
 #include <MauiKit3/Core/fmh.h>
 #else
 #include <MauiKit4/Core/fmh.h>
 #endif
 
 #include "fmstatic.h"
 
 #include "filebrowsing_export.h"
 
 /**
  * @private
  */
 namespace TAG
 {
     enum class TABLE : uint8_t { APP_TAGS, TAGS, TAGS_URLS, APPS, NONE };
     
     static const QMap<TABLE, QString> TABLEMAP = {{TABLE::TAGS, QStringLiteral("tags")},
     {TABLE::TAGS_URLS, QStringLiteral("tags_urls")},
     {TABLE::APP_TAGS, QStringLiteral("app_tags")},
     {TABLE::APPS, QStringLiteral("apps")}};
     
     static const QString TaggingPath = FMStatic::DataPath + QStringLiteral("/maui/tagging/");
     static const QString DBName = QStringLiteral("tagging-v2.db");
 }
 
 /**
  * @brief The TAGDB class exposes methods to add, remove and modify tags in the MauiKit FileBrowsing Tagging system.
  * @warning This class should not be used- use the Tagging object instead, which already wraps this class and exposes most of the functionality needed. In case some functionality is missing, instead of using this class, open a merge request to add the missing functionality to the Tagging class.
  */
 class FILEBROWSING_EXPORT TAGDB : public QObject
 {
     Q_OBJECT
     Q_DISABLE_COPY(TAGDB)
     
 private:
     QString name;
     QSqlDatabase m_db;    
     
     void openDB(const QString &name);
 
     void prepareCollectionDB() const;
 
    const QSqlDatabase& db() const;
    
 public:    
 
     TAGDB();
     ~TAGDB();
     
     //Utils
     /**
      * @brief Check for the existence of an entry
      * @param tableName the name of the table
      * @param searchId the search query
      * @param search the search value
      * @return whether the entry exists
      */
     bool checkExistance(const QString &tableName, const QString &searchId, const QString &search) const;
 
     /**
      * @brief Check if a entry exists given a query
      * @param queryStr the plain string query
      * @return whether the entry exists
      */
     bool checkExistance(const QString &queryStr) const;
 
     /**
      * @brief Retrieve the database query object of a performed a query
      * @param queryTxt the query to perform
      * @return the results
      */
     QSqlQuery getQuery(const QString &queryTxt) const;
 
     /**
      * @brief Return an empty query object to use arbitrary with any query.
      */
     QSqlQuery getQuery() const;
 
     /**
      * @brief Insert data into the given table
      * @param tableName table name
      * @param insertData the data map to be inserted
      * @return whether the operation was successful
      */
     bool insert(const QString &tableName, const QVariantMap &insertData) const;
 
     /**
      * @brief Update data in the database
      * @param tableName the table name
      * @param updateData the updated data 
      * @param where the key-value to match in the database
      * @return whether the operation was successful
      */
     bool update(const QString &tableName, const FMH::MODEL &updateData, const QVariantMap &where) const;
 
     /**
      * @brief Update data in the database
      * @param table table name
      * @param column the column name
      * @param newValue the new value
      * @param op the operation to match
      * @param id the value of the operation `op`
      * @return whether the operation was successful
      */
     bool update(const QString &table, const QString &column, const QVariant &newValue, const QVariant &op, const QString &id) const;
 
     /**
      * @brief remove
      * @param tableName
      * @param removeData
      * @return
      */
     bool remove(const QString &tableName, const FMH::MODEL &removeData) const;
     
 };