SQLiteNotificationsStorage.h

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/*
 * Copyright Amazon.com, Inc. or its affiliates. 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.
 * A copy of the License is located at
 *
 *     http://aws.amazon.com/apache2.0/
 *
 * or in the "license" file accompanying this file. This file 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.
 */

#ifndef ACSDKNOTIFICATIONS_SQLITENOTIFICATIONSSTORAGE_H_
#define ACSDKNOTIFICATIONS_SQLITENOTIFICATIONSSTORAGE_H_

#include <acsdkNotificationsInterfaces/NotificationsStorageInterface.h>

#include <mutex>

#include <AVSCommon/Utils/Configuration/ConfigurationNode.h>
#include <SQLiteStorage/SQLiteDatabase.h>

namespace alexaClientSDK {
namespace acsdkNotifications {

class SQLiteNotificationsStorage : public acsdkNotificationsInterfaces::NotificationsStorageInterface {
public:
    static std::shared_ptr<acsdkNotificationsInterfaces::NotificationsStorageInterface>
    createNotificationsStorageInterface(
        const std::shared_ptr<avsCommon::utils::configuration::ConfigurationNode>& configurationRoot);

    static std::unique_ptr<SQLiteNotificationsStorage> create(
        const avsCommon::utils::configuration::ConfigurationNode& configurationRoot);

    SQLiteNotificationsStorage(const std::string& databaseFilePath);

    ~SQLiteNotificationsStorage();

    bool createDatabase() override;

    bool open() override;

    void close() override;

    bool enqueue(const NotificationIndicator& notificationIndicator) override;

    bool dequeue() override;

    bool peek(NotificationIndicator* notificationIndicator) override;

    bool setIndicatorState(IndicatorState state) override;

    bool getIndicatorState(IndicatorState* state) override;

    bool checkForEmptyQueue(bool* empty) override;

    bool clearNotificationIndicators() override;

    bool getQueueSize(int* size) override;

private:
    bool getNextNotificationIndicatorLocked(NotificationIndicator* notificationIndicator);

    bool createNotificationIndicatorsTable();

    bool createIndicatorStateTable();

    std::mutex m_databaseMutex;

    alexaClientSDK::storage::sqliteStorage::SQLiteDatabase m_database;
};

}  // namespace acsdkNotifications
}  // namespace alexaClientSDK

#endif  // ACSDKNOTIFICATIONS_SQLITENOTIFICATIONSSTORAGE_H_