124 lines
3.1 KiB
C++
124 lines
3.1 KiB
C++
/*
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* Copyright (C) 2015 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 "utils/Logger.hpp"
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#include "SearchFilter.hpp"
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namespace Database
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{
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static std::ostream& operator<<(std::ostream& ost, const std::vector< Wt::Dbo::dbo_default_traits::IdType>& ids)
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{
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const char *sep = "";
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for (auto id : ids)
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{
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ost << sep << std::to_string(id);
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sep = ",";
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}
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return ost;
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}
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SqlQuery generatePartialQuery(SearchFilter& filter)
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{
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SqlQuery sqlQuery;
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// Process name like parameters
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for (auto nameLikeMatches : filter.nameLikeMatch)
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{
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WhereClause likeWhereClause;
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for (auto nameLikeMatch : nameLikeMatches)
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{
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switch (nameLikeMatch.first)
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{
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case SearchFilter::Field::Artist:
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for (const std::string& name : nameLikeMatch.second)
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likeWhereClause.Or( WhereClause("a.name LIKE ?") ).bind("%%" + name + "%%");
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break;
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case SearchFilter::Field::Release:
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for (const std::string& name : nameLikeMatch.second)
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likeWhereClause.Or( WhereClause("r.name LIKE ?") ).bind("%%" + name + "%%");
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break;
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case SearchFilter::Field::Cluster:
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for (const std::string& name : nameLikeMatch.second)
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likeWhereClause.Or( WhereClause("c.name LIKE ?") ).bind("%%" + name + "%%");
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break;
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case SearchFilter::Field::Track:
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for (const std::string& name : nameLikeMatch.second)
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likeWhereClause.Or( WhereClause("t.name LIKE ?") ).bind("%%" + name + "%%");
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break;
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}
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}
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sqlQuery.where().And( likeWhereClause );
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}
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// Process id exact match parameters
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// Id list may be long, we do not bind the parameters
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// Safe since we already known these are just ints
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for (auto idMatch : filter.idMatch)
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{
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WhereClause idWhereClause;
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switch (idMatch.first)
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{
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case SearchFilter::Field::Artist:
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{
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std::ostringstream oss;
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oss << "a.id IN (" << idMatch.second << ")";
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idWhereClause.Or(oss.str());
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}
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break;
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case SearchFilter::Field::Release:
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{
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std::ostringstream oss;
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oss << "r.id IN (" << idMatch.second << ")";
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idWhereClause.Or(oss.str());
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}
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break;
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case SearchFilter::Field::Cluster:
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{
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std::ostringstream oss;
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oss << "c.id IN (" << idMatch.second << ")";
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idWhereClause.Or(oss.str());
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}
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break;
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case SearchFilter::Field::Track:
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{
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std::ostringstream oss;
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oss << "t.id IN (" << idMatch.second << ")";
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idWhereClause.Or(oss.str());
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}
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break;
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}
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sqlQuery.where().And( idWhereClause );
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}
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return sqlQuery;
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}
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} // namespace Database
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