boolean_query.hxx

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/* -*- Mode: C++; tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*- */
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 *   Copyright 2023-Present Couchbase, Inc.
 *
 *   Licensed under the Apache License, Version 2.0 (the "License");
 *   you may not use this file except in compliance with the License.
 *   You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *   Unless required by applicable law or agreed to in writing, software
 *   distributed under the License is distributed on an "AS IS" BASIS,
 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *   See the License for the specific language governing permissions and
 *   limitations under the License.
 */
 
#pragma once
 
#include <couchbase/conjunction_query.hxx>
#include <couchbase/disjunction_query.hxx>
#include <couchbase/match_all_query.hxx>
#include <couchbase/match_none_query.hxx>
#include <couchbase/search_query.hxx>
 
#include <cstdint>
#include <memory>
#include <vector>
 
namespace couchbase
{
class boolean_query : public search_query
{
public:
  auto must(conjunction_query query) -> boolean_query&
  {
    must_ = std::move(query);
    return *this;
  }
 
  template<typename... SearchQuery>
  auto must(SearchQuery... queries) -> boolean_query&
  {
    must_ = conjunction_query(queries...);
    return *this;
  }
 
  auto must() -> conjunction_query&
  {
    if (!must_) {
      must_ = conjunction_query();
    }
    return must_.value();
  }
 
  auto should(disjunction_query query) -> boolean_query&
  {
    should_ = std::move(query);
    return *this;
  }
 
  template<typename... SearchQuery>
  auto should(SearchQuery... queries) -> boolean_query&
  {
    should_ = disjunction_query(queries...);
    return *this;
  }
 
  auto should() -> disjunction_query&
  {
    if (!should_) {
      should_ = disjunction_query();
    }
    return should_.value();
  }
 
  auto must_not(disjunction_query query) -> boolean_query&
  {
    must_not_ = std::move(query);
    return *this;
  }
 
  template<typename... SearchQuery>
  auto must_not(SearchQuery... queries) -> boolean_query&
  {
    must_not_ = disjunction_query(queries...);
    return *this;
  }
 
  auto must_not() -> disjunction_query&
  {
    if (!must_not_) {
      must_not_ = disjunction_query();
    }
    return must_not_.value();
  }
 
  [[nodiscard]] auto encode() const -> encoded_search_query override;
 
private:
  std::optional<conjunction_query> must_{};
  std::optional<disjunction_query> should_{};
  std::optional<disjunction_query> must_not_{};
};
} // namespace couchbase