| 1 | /* |
|---|---|
| 2 | SPDX-FileCopyrightText: 2015 Vishesh Handa <vhanda@kde.org> |
| 3 | |
| 4 | SPDX-License-Identifier: LGPL-2.1-or-later |
| 5 | */ |
| 6 | |
| 7 | #include "migrator.h" |
| 8 | #include "fileindexerconfig.h" |
| 9 | |
| 10 | #include <QFile> |
| 11 | #include <QDir> |
| 12 | |
| 13 | using namespace Baloo; |
| 14 | |
| 15 | Migrator::Migrator(const QString& dbPath, FileIndexerConfig* config) |
| 16 | : m_dbPath(dbPath) |
| 17 | , m_config(config) |
| 18 | { |
| 19 | Q_ASSERT(!dbPath.isEmpty()); |
| 20 | Q_ASSERT(!dbPath.endsWith(QLatin1Char('/'))); |
| 21 | Q_ASSERT(config); |
| 22 | } |
| 23 | |
| 24 | /* |
| 25 | * Changing this version number indicates that the old index should be deleted |
| 26 | * and the indexing should be started from scratch. |
| 27 | */ |
| 28 | static int s_dbVersion = 2; |
| 29 | |
| 30 | bool Migrator::migrationRequired() const |
| 31 | { |
| 32 | return m_config->databaseVersion() != s_dbVersion; |
| 33 | } |
| 34 | |
| 35 | void Migrator::migrate() |
| 36 | { |
| 37 | Q_ASSERT(migrationRequired()); |
| 38 | |
| 39 | int dbVersion = m_config->databaseVersion(); |
| 40 | if (dbVersion == 0 && QFile::exists(fileName: m_dbPath + QStringLiteral("/file"))) { |
| 41 | QDir dir(m_dbPath + QStringLiteral("/file")); |
| 42 | dir.removeRecursively(); |
| 43 | } |
| 44 | else if (QFile::exists(fileName: m_dbPath + QStringLiteral("/index"))) { |
| 45 | QFile::remove(fileName: m_dbPath + QStringLiteral("/index")); |
| 46 | QFile::remove(fileName: m_dbPath + QStringLiteral("/index-lock")); |
| 47 | } |
| 48 | |
| 49 | m_config->setDatabaseVersion(s_dbVersion); |
| 50 | } |
| 51 |