File indexing completed on 2024-05-12 05:10:17
0001 /*************************************************************************** 0002 Copyright (C) 2021 Robby Stephenson <robby@periapsis.org> 0003 ***************************************************************************/ 0004 0005 /*************************************************************************** 0006 * * 0007 * This program is free software; you can redistribute it and/or * 0008 * modify it under the terms of the GNU General Public License as * 0009 * published by the Free Software Foundation; either version 2 of * 0010 * the License or (at your option) version 3 or any later version * 0011 * accepted by the membership of KDE e.V. (or its successor approved * 0012 * by the membership of KDE e.V.), which shall act as a proxy * 0013 * defined in Section 14 of version 3 of the license. * 0014 * * 0015 * This program is distributed in the hope that it will be useful, * 0016 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 0017 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * 0018 * GNU General Public License for more details. * 0019 * * 0020 * You should have received a copy of the GNU General Public License * 0021 * along with this program. If not, see <http://www.gnu.org/licenses/>. * 0022 * * 0023 ***************************************************************************/ 0024 0025 #ifndef MERGECONFLICTRESOLVER_H 0026 #define MERGECONFLICTRESOLVER_H 0027 0028 #include "../datavectors.h" 0029 0030 /** 0031 * This file contains merging functions. 0032 * 0033 * @author Robby Stephenson 0034 */ 0035 namespace Tellico { 0036 namespace Merge { 0037 class ConflictResolver { 0038 public: 0039 enum Result { KeepFirst, KeepSecond, CancelMerge }; 0040 0041 ConflictResolver() {} 0042 virtual ~ConflictResolver() {} 0043 virtual Result resolve(Data::EntryPtr entry1, Data::EntryPtr entry2, Data::FieldPtr field, 0044 const QString& value1 = QString(), const QString& value2 = QString()) = 0; 0045 0046 private: 0047 Q_DISABLE_COPY(ConflictResolver) 0048 }; 0049 0050 bool mergeEntry(Data::EntryPtr entry1, Data::EntryPtr entry2, ConflictResolver* resolver=nullptr); 0051 // adds new fields into collection if any values in entries are not empty 0052 // first object is modified fields, second is new fields 0053 QPair<Data::FieldList, Data::FieldList> mergeFields(Data::CollPtr coll, 0054 Data::FieldList fields, 0055 Data::EntryList entries); 0056 } 0057 } 0058 0059 #endif