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lms/src/database/SearchFilter.hpp
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/*
* Copyright (C) 2015 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/>.
*/
#ifndef _DB_SEARCH_FILTER_HPP_
#define _DB_SEARCH_FILTER_HPP_
#include <string>
#include <vector>
#include <map>
#include <Wt/Dbo/Dbo>
#include "SqlQuery.hpp"
namespace Database
{
class SearchFilter
{
public:
enum class Field {
Artist, // artist
Release, // release
Genre, // genre
Track, // track
};
typedef std::map<Field, std::vector<std::string> > NameLikeMatchMap;
typedef std::map<Field, std::vector< Wt::Dbo::dbo_default_traits::IdType> > IdMatchMap;
SearchFilter() {}
static SearchFilter IdMatch( const IdMatchMap& _idMatch )
{
return SearchFilter(_idMatch);
}
static SearchFilter NameLikeMatch( const NameLikeMatchMap& _nameLikeMatch )
{
return SearchFilter(_nameLikeMatch);
}
// The filter is a AND of the following conditions:
// ((Field1.name LIKE STR1-1 OR Field1.name LIKE STR1-2 ...) OR (Field2.name LIKE STR2-1 OR Field2.name LIKE STR2-2 ...) ...
NameLikeMatchMap nameLikeMatch;
// ((Field1.id = ID1-1 OR Field1.id = ID1-2 ... ) AND ((Field2.id = ID2-1 OR Field2.id = ID2-2 ... ) ...
IdMatchMap idMatch;
private:
SearchFilter(const NameLikeMatchMap& _nameLikeMatch) : nameLikeMatch(_nameLikeMatch) {}
SearchFilter(const IdMatchMap& _idMatch) : idMatch(_idMatch) {}
};
SqlQuery generatePartialQuery(SearchFilter& filter);
} // namespace Database
#endif // _DB_SEARCH_FILTER_HPP_