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0001 /****************************************************************************
0002 **
0003 ** Copyright (C) 2016 by Sandro S. Andrade <sandroandrade@kde.org>
0004 **
0005 ** This program is free software; you can redistribute it and/or
0006 ** modify it under the terms of the GNU General Public License as
0007 ** published by the Free Software Foundation; either version 2 of
0008 ** the License or (at your option) version 3 or any later version
0009 ** accepted by the membership of KDE e.V. (or its successor approved
0010 ** by the membership of KDE e.V.), which shall act as a proxy
0011 ** defined in Section 14 of version 3 of the license.
0012 **
0013 ** This program is distributed in the hope that it will be useful,
0014 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
0015 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
0016 ** GNU General Public License for more details.
0017 **
0018 ** You should have received a copy of the GNU General Public License
0019 ** along with this program.  If not, see <http://www.gnu.org/licenses/>.
0020 **
0021 ****************************************************************************/
0022 
0023 #ifndef MINUET_EXERCISECONTROLLER_H
0024 #define MINUET_EXERCISECONTROLLER_H
0025 
0026 #include <interfaces/iexercisecontroller.h>
0027 
0028 #include <QJsonObject>
0029 #include <QStringList>
0030 
0031 namespace Minuet
0032 {
0033 class Core;
0034 
0035 class ExerciseController : public IExerciseController
0036 {
0037     Q_OBJECT
0038 
0039 public:
0040     explicit ExerciseController(QObject *parent = nullptr);
0041     virtual ~ExerciseController() = default;
0042 
0043     bool initialize(Core *core);
0044     virtual QString errorString() const override;
0045 
0046     Q_INVOKABLE unsigned int chosenRootNote() const;
0047 
0048     virtual QJsonArray exercises() const override;
0049 
0050 public Q_SLOTS:
0051     virtual void randomlySelectExerciseOptions() override;
0052 
0053 private:
0054     bool mergeJsonFiles(const QString directoryName, QJsonObject &targetObject,
0055                         bool applyDefinitionsFlag = false, QString commonKey = nullptr,
0056                         QString mergeKey = nullptr);
0057     QJsonArray applyDefinitions(QJsonArray exercises, QJsonArray definitions,
0058                                 QJsonObject collectedProperties = QJsonObject());
0059     enum DefinitionFilteringMode { AndFiltering = 0, OrFiltering };
0060     static void filterDefinitions(QJsonArray &definitions, QJsonObject &exerciseObject,
0061                                   const QString &filterTagsKey,
0062                                   DefinitionFilteringMode definitionFilteringMode);
0063     QJsonArray mergeJsonArrays(QJsonArray oldFile, QJsonArray newFile, QString commonKey = nullptr,
0064                                QString mergeKey = nullptr);
0065 
0066     QJsonObject m_exercises;
0067     QJsonObject m_definitions;
0068     unsigned int m_chosenRootNote;
0069     QString m_errorString;
0070 };
0071 
0072 }
0073 
0074 #endif  // MINUET_EXERCISECONTROLLER_H