97 lines
3.5 KiB
C++
97 lines
3.5 KiB
C++
/*
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* Strawberry Music Player
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* This file was part of Clementine.
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* Copyright 2010, David Sansome <me@davidsansome.com>
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* Copyright 2018-2024, Jonas Kvinge <jonas@jkvinge.net>
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*
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* Strawberry 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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* Strawberry 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 Strawberry. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef COLLECTIONQUERY_H
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#define COLLECTIONQUERY_H
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#include "config.h"
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#include <QMetaType>
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#include <QVariant>
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#include <QString>
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#include <QStringList>
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#include <QSqlDatabase>
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#include "core/sqlquery.h"
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#include "collectionfilteroptions.h"
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class CollectionQuery : public SqlQuery {
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public:
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explicit CollectionQuery(const QSqlDatabase &db, const QString &songs_table, const CollectionFilterOptions &filter_options = CollectionFilterOptions());
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QVariant Value(const int column) const;
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QVariant value(const int column) const { return Value(column); }
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bool Exec();
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bool exec() { return SqlQuery::exec(); }
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bool Next();
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QString column_spec() const { return column_spec_; }
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QString order_by() const { return order_by_; }
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QStringList where_clauses() const { return where_clauses_; }
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QVariantList bound_values() const { return bound_values_; }
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bool include_unavailable() const { return include_unavailable_; }
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bool duplicates_only() const { return duplicates_only_; }
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int limit() const { return limit_; }
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// Sets contents of SELECT clause on the query (list of columns to get).
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void SetColumnSpec(const QString &column_spec) { column_spec_ = column_spec; }
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// Sets an ORDER BY clause on the query.
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void SetOrderBy(const QString &order_by) { order_by_ = order_by; }
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void SetWhereClauses(const QStringList &where_clauses) { where_clauses_ = where_clauses; }
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// Removes = < > <= >= <> from the beginning of the input string and returns the operator
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// If the input String has no operator, returns "="
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QString RemoveSqlOperator(QString &token);
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// Adds a fragment of WHERE clause. When executed, this Query will connect all the fragments with AND operator.
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// Please note that IN operator expects a QStringList as value.
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void AddWhere(const QString &column, const QVariant &value, const QString &op = QStringLiteral("="));
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void AddWhereArtist(const QVariant &value);
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void AddWhereRating(const QVariant &value, const QString &op = QStringLiteral("="));
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void SetBoundValues(const QVariantList &bound_values) { bound_values_ = bound_values; }
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void SetDuplicatesOnly(const bool duplicates_only) { duplicates_only_ = duplicates_only; }
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void SetIncludeUnavailable(const bool include_unavailable) { include_unavailable_ = include_unavailable; }
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void SetLimit(const int limit) { limit_ = limit; }
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void AddCompilationRequirement(const bool compilation);
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private:
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QString GetInnerQuery() const;
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QSqlDatabase db_;
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QString songs_table_;
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QString column_spec_;
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QString order_by_;
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QStringList where_clauses_;
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QVariantList bound_values_;
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bool include_unavailable_;
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bool duplicates_only_;
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int limit_;
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};
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#endif // COLLECTIONQUERY_H
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