148 lines
5.2 KiB
C++
148 lines
5.2 KiB
C++
/*
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* Copyright (C) 2021 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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#pragma once
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#include "database/Db.hpp"
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#include "database/Session.hpp"
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#include "database/User.hpp"
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namespace lms::feedback
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{
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using namespace db;
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template<typename ObjType, typename ObjIdType, typename StarredObjType>
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void FeedbackService::star(UserId userId, ObjIdType objId)
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{
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const auto backend{ getUserFeedbackBackend(userId) };
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if (!backend)
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return;
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typename StarredObjType::IdType starredObjId;
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{
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Session& session{ _db.getTLSSession() };
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auto transaction{ session.createWriteTransaction() };
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typename StarredObjType::pointer starredObj{ StarredObjType::find(session, objId, userId, *backend) };
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if (!starredObj)
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{
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const typename ObjType::pointer obj{ ObjType::find(session, objId) };
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if (!obj)
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return;
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const User::pointer user{ User::find(session, userId) };
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if (!user)
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return;
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starredObj = session.create<StarredObjType>(obj, user, *backend);
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}
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starredObj.modify()->setDateTime(Wt::WDateTime::currentDateTime());
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starredObjId = starredObj->getId();
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}
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_backends[*backend]->onStarred(starredObjId);
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}
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template<typename ObjType, typename ObjIdType, typename StarredObjType>
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void FeedbackService::unstar(UserId userId, ObjIdType objId)
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{
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const auto backend{ getUserFeedbackBackend(userId) };
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if (!backend)
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return;
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typename StarredObjType::IdType starredObjId;
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{
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Session& session{ _db.getTLSSession() };
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auto transaction{ session.createReadTransaction() };
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typename StarredObjType::pointer starredObj{ StarredObjType::find(session, objId, userId, *backend) };
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if (!starredObj)
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return;
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starredObjId = starredObj->getId();
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}
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_backends[*backend]->onUnstarred(starredObjId);
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}
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template<typename ObjType, typename ObjIdType, typename StarredObjType>
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bool FeedbackService::isStarred(UserId userId, ObjIdType objId)
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{
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Session& session{ _db.getTLSSession() };
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auto transaction{ session.createReadTransaction() };
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typename StarredObjType::pointer starredObj{ StarredObjType::find(session, objId, userId) };
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return starredObj && (starredObj->getSyncState() != SyncState::PendingRemove);
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}
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template<typename ObjType, typename ObjIdType, typename StarredObjType>
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Wt::WDateTime FeedbackService::getStarredDateTime(UserId userId, ObjIdType objId)
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{
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Session& session{ _db.getTLSSession() };
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auto transaction{ session.createReadTransaction() };
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typename StarredObjType::pointer starredObj{ StarredObjType::find(session, objId, userId) };
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if (starredObj && (starredObj->getSyncState() != SyncState::PendingRemove))
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return starredObj->getDateTime();
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return {};
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}
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template<typename ObjType, typename ObjIdType, typename RatedObjType>
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void FeedbackService::setRating(db::UserId userId, ObjIdType objectId, std::optional<db::Rating> rating)
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{
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Session& session{ _db.getTLSSession() };
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auto transaction{ session.createWriteTransaction() };
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typename RatedObjType::pointer ratedObject{ RatedObjType::find(session, objectId, userId) };
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if (rating)
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{
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if (!ratedObject)
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{
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typename ObjType::pointer obj{ ObjType::find(session, objectId) };
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const User::pointer user{ User::find(session, userId) };
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if (!obj || !user)
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return;
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ratedObject = session.create<RatedObjType>(obj, user);
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}
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ratedObject.modify()->setRating(*rating);
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ratedObject.modify()->setLastUpdated(Wt::WDateTime::currentDateTime());
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}
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else
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{
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if (ratedObject)
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ratedObject.remove();
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}
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}
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template<typename ObjType, typename ObjIdType, typename RatedObjType>
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std::optional<db::Rating> FeedbackService::getRating(db::UserId userId, ObjIdType objectId)
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{
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Session& session{ _db.getTLSSession() };
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auto transaction{ session.createReadTransaction() };
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const typename RatedObjType::pointer ratedObj{ RatedObjType::find(session, objectId, userId) };
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if (!ratedObj)
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return std::nullopt;
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return ratedObj->getRating();
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}
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} // namespace lms::feedback
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