144 lines
4.7 KiB
C++
144 lines
4.7 KiB
C++
/*
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* Copyright (C) 2025 Emeric Poupon
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*
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* This file is part of LMS.
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*
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* LMS is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* LMS is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with LMS. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "CheckForMissingFilesStep.hpp"
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#include <vector>
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#include "core/ILogger.hpp"
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#include "database/IDb.hpp"
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#include "database/Session.hpp"
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#include "database/objects/Artwork.hpp"
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#include "database/objects/Image.hpp"
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#include "database/objects/Podcast.hpp"
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#include "database/objects/PodcastEpisode.hpp"
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namespace lms::podcast
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{
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namespace
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{
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bool fileExists(const std::string& path)
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{
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std::error_code ec;
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bool res{ std::filesystem::exists(path, ec) };
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if (ec)
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{
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LMS_LOG(PODCAST, ERROR, "Error checking file existence for path " << path << ": " << ec.message());
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return false;
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}
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return res;
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}
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bool checkArtworkFile(const db::Artwork::pointer& artwork)
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{
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assert(std::holds_alternative<db::ImageId>(artwork->getUnderlyingId())); // these artworks can only be an image
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const std::filesystem::path filePath{ artwork->getAbsoluteFilePath() };
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if (!fileExists(filePath.string()))
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{
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LMS_LOG(PODCAST, DEBUG, "Artwork file is missing: " << filePath);
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return false;
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}
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return true;
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}
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} // namespace
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core::LiteralString CheckForMissingFilesStep::getName() const
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{
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return "Check for missing files";
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}
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void CheckForMissingFilesStep::run()
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{
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checkMissingImages();
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checkMissingEpisodes();
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onDone();
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}
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void CheckForMissingFilesStep::checkMissingImages()
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{
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std::vector<db::ImageId> missingImages;
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{
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auto& session{ getDb().getTLSSession() };
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auto transaction{ session.createReadTransaction() };
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db::Podcast::find(session, [&](const db::Podcast::pointer& podcast) {
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if (const db::Artwork::pointer artwork{ podcast->getArtwork() })
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{
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if (!checkArtworkFile(artwork))
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missingImages.push_back(artwork->getImageId());
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}
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});
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db::PodcastEpisode::find(session, db::PodcastEpisode::FindParameters{}, [&](const db::PodcastEpisode::pointer& episode) {
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if (const db::Artwork::pointer artwork{ episode->getArtwork() })
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{
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if (!checkArtworkFile(artwork))
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missingImages.push_back(artwork->getImageId());
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}
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});
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}
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if (!missingImages.empty())
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{
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auto& session{ getDb().getTLSSession() };
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auto transaction{ session.createWriteTransaction() };
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session.destroy<db::Image>(missingImages); // will propagate to artworks and podcasts/episodes
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}
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}
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void CheckForMissingFilesStep::checkMissingEpisodes()
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{
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std::vector<db::PodcastEpisodeId> missingEpisodes;
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{
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auto& session{ getDb().getTLSSession() };
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auto transaction{ session.createReadTransaction() };
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db::PodcastEpisode::find(session, db::PodcastEpisode::FindParameters{}, [&](const db::PodcastEpisode::pointer& episode) {
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if (episode->getAudioRelativeFilePath().empty())
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return;
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const std::filesystem::path filePath{ getCachePath() / episode->getAudioRelativeFilePath() };
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if (!fileExists(filePath))
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{
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LMS_LOG(PODCAST, INFO, "Episode file " << filePath << " is missing for episode '" << episode->getTitle() << "'");
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missingEpisodes.push_back(episode->getId());
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}
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});
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}
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if (!missingEpisodes.empty())
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{
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auto& session{ getDb().getTLSSession() };
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auto transaction{ session.createWriteTransaction() };
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for (const auto& episodeId : missingEpisodes)
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{
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db::PodcastEpisode::pointer episode{ db::PodcastEpisode::find(session, episodeId) };
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episode.modify()->setAudioRelativeFilePath({});
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}
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}
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}
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} // namespace lms::podcast
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