src/datenaro/database/data_elements/data_rule.cpp - develop - farado/farado-binara

src/datenaro/database/data_elements/data_rule.cpp
162 строки4 KB
Ostapenko Alexey
[datenaro] Добавление идентификатора нового элемента при сохранении в БД.
12 янв 2024, 18:17
12 янв 2024, 18:17deb060d
#include "common/elements/rule.h"

#include "common/log/log.h"

#include "data_rule.h"

namespace Database
{

DataRule::DataRule(Elements::Element* element)
{
    setElement(element);
}

DataRule::DataRule(std::shared_ptr<Elements::Element> element)
{
    m_element = element;
}

DataRule::DataRule(sqlite::database& database, unsigned id)
{
    fromDatabase(database, id);
}

DataElement* DataRule::clone() const
{
    if (m_element)
        return new DataRule(m_element->clone());

    return nullptr;
}

DataElement* DataRule::wrap(Elements::Element* element) const
{
    return new DataRule(element);
}

void DataRule::toDatabase(sqlite::database& database)
{
    const auto element = std::dynamic_pointer_cast<Elements::Rule>(m_element);
    if (nullptr == element)
        return;

    if (0 == element->id())
    {
        const auto sqlStr = "INSERT INTO Rule "
                            "( roleId "
                            ") VALUES (?);";
        database
            << sqlStr
            << element->roleId();
        element->setId(lastAddedId(database));
        return;
    }

    const auto sqlStr = "INSERT OR REPLACE INTO Rule "
                        "( id "
                        ", roleId "
                        ") VALUES (?,?);";
    database
        << sqlStr
        << element->id()
        << element->roleId();
}

void DataRule::fromDatabase(sqlite::database& database, unsigned id)
{
    if (nullptr == m_element)
        m_element.reset(new Elements::Rule());

    const auto element = std::dynamic_pointer_cast<Elements::Rule>(m_element);

    const auto sqlStr = "SELECT "
                        "  id "
                        ", roleId "
                        "FROM Rule WHERE id = ?;";
    database << sqlStr << id >>
        [element](
            unsigned id,
            unsigned roleId
        )
    {
        element->setId(id);
        element->setRoleId(roleId);
    };
}

std::vector<Elements::Element*> DataRule::fromDatabaseElements(
    sqlite::database& database,
    std::vector<unsigned> ids
) const
{
    const auto sqlStr = "SELECT "
                        "  id "
                        ", roleId "
                        "FROM Rule WHERE id in ("
        + questionMarks(ids.size())
        + ")";

    auto query = database << sqlStr;
    for (auto id : ids)
        query << id;

    std::vector<Elements::Element*> result;
    query >>
        [&result](
            unsigned id,
            unsigned roleId
        )
    {
        auto element = new Elements::Rule();
        element->setId(id);
        element->setRoleId(roleId);
        result.push_back(element);
    };
    return result;
}

// Получение идентификаторов ---------------------------------------------------

std::vector<unsigned> DataRule::ids(
    sqlite::database& database
)
{
    std::vector<unsigned> result;
    database << "SELECT id FROM Rule;"
        >> [&result](unsigned id)
    {
        result.emplace_back(id);
    };
    return result;
}

// Удаление --------------------------------------------------------------------

void DataRule::removeOne(
    sqlite::database& database,
    unsigned id
)
{
    std::vector<unsigned> ids = { id };
    remove(database, ids);
}

void DataRule::remove(
    sqlite::database& database,
    std::vector<unsigned> ids
)
{
    const auto sqlStr = "DELETE FROM Rule WHERE id in ("
        + questionMarks(ids.size())
        + ")";

    auto query = database << sqlStr;
    for (auto id : ids)
        query << id;

    query.execute();
    query.reset();
}

} // namespace Elements