src/app/clusters/user-label-server/UserLabelCluster.h

/*
 *    Copyright (c) 2025 Project CHIP Authors
 *    All rights reserved.
 *
 *    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 <app/server-cluster/DefaultServerCluster.h>
#include <platform/DeviceInfoProvider.h>

namespace chip::app::Clusters {

class UserLabelCluster : public DefaultServerCluster, public chip::FabricTable::Delegate
{
public:
    struct Context
    {
        DeviceLayer::DeviceInfoProvider & deviceInfoProvider;
        chip::FabricTable & fabricTable;
    };

    UserLabelCluster(EndpointId endpoint, Context && context) :
        DefaultServerCluster({ endpoint, UserLabel::Id }), mContext(std::move(context)){};

    CHIP_ERROR Startup(ServerClusterContext & context) override;
    void Shutdown(ClusterShutdownType type) override;

    void OnFabricRemoved(const FabricTable & fabricTable, FabricIndex fabricIndex) override;

    // Server cluster implementation
    DataModel::ActionReturnStatus ReadAttribute(const DataModel::ReadAttributeRequest & request,
                                                AttributeValueEncoder & encoder) override;
    DataModel::ActionReturnStatus WriteAttribute(const DataModel::WriteAttributeRequest & request,
                                                 AttributeValueDecoder & decoder) override;
    CHIP_ERROR Attributes(const ConcreteClusterPath & path, ReadOnlyBufferBuilder<DataModel::AttributeEntry> & builder) override;

    // Constraints for label entries
    static constexpr size_t kMaxLabelSize = 16;
    static constexpr size_t kMaxValueSize = 16;

private:
    Context mContext;
};

} // namespace chip::app::Clusters