Files
lms/src/libs/services/scanner/impl/steps/ScanStepOptimize.cpp
T

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/*
* Copyright (C) 2024 Emeric Poupon
*
* This file is part of LMS.
*
* LMS is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* LMS 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 General Public License
* along with LMS. If not, see <http://www.gnu.org/licenses/>.
*/
#include "ScanStepOptimize.hpp"
#include "core/ILogger.hpp"
#include "database/IDb.hpp"
#include "database/Session.hpp"
#include "ScanContext.hpp"
namespace lms::scanner
{
bool ScanStepOptimize::needProcess(const ScanContext& context) const
{
if (context.scanOptions.forceOptimize)
return true;
// Don't optimize if there are too few files: it may lead to some indexes not being used
// and will drastically slow down the scan process when adding more files later
if (context.stats.getChangesCount() > (context.stats.getTotalFileCount() / 5)
&& context.stats.getTotalFileCount() >= 1'000)
{
return true;
}
return false;
}
void ScanStepOptimize::process(ScanContext& context)
{
LMS_LOG(DBUPDATER, INFO, "Database analyze started");
auto& session{ _db.getTLSSession() };
std::vector<std::string> entries;
session.retrieveEntriesToAnalyze(entries);
context.currentStepStats.totalElems = entries.size();
_progressCallback(context.currentStepStats);
for (const std::string& entry : entries)
{
if (_abortScan)
break;
_db.getTLSSession().analyzeEntry(entry);
context.currentStepStats.processedElems++;
_progressCallback(context.currentStepStats);
}
LMS_LOG(DBUPDATER, INFO, "Database analyze complete");
}
} // namespace lms::scanner