LotroDat/include/Database.h

//
// Created by Иван_Архипов on 17.11.2017.
//

#ifndef LOTRO_DAT_PATCHER_DATABASE_H
#define LOTRO_DAT_PATCHER_DATABASE_H

#include <SQLite/sqlite3.h>
#include <string>
#include <yaml-cpp/yaml.h>

extern  "C++"
{
namespace LOTRO_DAT
{
    class BinaryData;
    class SubfileData;

    class Database {
    public:
        Database();

        explicit Database(const std::string &filename);

        ~Database();

        void InitDatabase(const std::string &filename);

        void PushFile(const SubfileData &data);

        SubfileData GetNextFile();

        void RemoveDatabase();

        void ClearDatabase();

        size_t CountRows();

    private:
        void ExecSql(const std::string &sql);

        sqlite3* db_;
        sqlite3_stmt* insert_request_;
        sqlite3_stmt* fetch_one_request_;
        sqlite3_stmt* get_rows_number_request_;


        const std::string CreateTableCommand_ = "CREATE TABLE IF NOT EXISTS `patch_data` ( "
            "`binary_data` BLOB, "
            "`text_data` TEXT, "
            "`options` TEXT NOT NULL);";

        const std::string InsertFileCommand_ = "INSERT INTO `patch_data` "
                "(`binary_data`, `text_data`, `options`) "
                "VALUES (?, ?, ?); ";

        const std::string FetchOneCommand = "SELECT * FROM `patch_data`";
        const std::string ClearTableCommand_ = "DELETE * FROM `patch_data`";
        const std::string GetRowsNumberCommand_ = "SELECT Count(*) as count FROM `patch_data`";
    };
}
}
#endif