RowDTOAdapter.hpp

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/*
 *  (c) Copyright erarnitox.de - All rights reserved
 *  Author: Erarnitox <david@erarnitox.de>
 *
 *  License: MIT License
 *
 *  Description: This class represents a generic
 *  DTO Interface. That can be used by other DTOs.
 *  It acts as an adapter to the pqxx rows and isolated the
 *  dependency on the pqxx library away from the DTOs
 *
 *  Documentation: https://droplet.erarnitox.de/doxygen/html/RowDTOAdapter
 */
 
#pragma once
 
#include <pqxx/pqxx>
 
// Adapter class to convert pqxx::row to GenericDTO
class RowDTOAdapter {
  private:
    const pqxx::row row_;
 
  public:
    RowDTOAdapter(const pqxx::row& row) : row_(row) {
    }

    template <typename T>
    T get(const std::string& field_name) const {
        try {
            return this->row_[field_name].as<T>();
        } catch (...) {
            return T{};
        }
    }
};