QFD2/QFD/dbService/ScaleInfoService.cpp

#include "ScaleInfoService.h"
#include "SqlDBHelper.h"
#include <QDebug>

ScaleInfoService::ScaleInfoService(QObject *parent) { }
int ScaleInfoService::AddScaleInfo(const ScaleInfo &scaleInfo)
{
    int ret = -1;
    try {
        Transaction t(SqlDBHelper::getDatabase());
        InsertQuery query     = t.insertInto("t_scale_info(`project_id`, `scale_name`, `scale_value`)");
        NonQueryResult result = query.values(scaleInfo.projectId, scaleInfo.scaleName, scaleInfo.scaleValue).exec();
        t.commit();
        ret = result.lastInsertId().toInt();
    } catch (const DBException &ex) {
        qDebug() << ex.lastError.text();
    }
    return ret;
}

bool ScaleInfoService::UpdateScaleInfo(const ScaleInfo &scaleInfo)
{
    bool ret = false;
    try {
        Transaction t(SqlDBHelper::getDatabase());
        t.update("t_scale_info")
                .set("scale_name", scaleInfo.scaleName)
                .set("scale_value", scaleInfo.scaleValue)
                .where("id = ?", scaleInfo.id);
        t.commit();
        ret = true;
    } catch (const DBException &ex) {
        qDebug() << ex.lastError.text();
    }
    return ret;
}

bool ScaleInfoService::QueryScaleByProjectId(ScaleInfo *scaleInfo, int projectId)
{
    QSqlDatabase db = SqlDBHelper::getDatabase();
    QSqlQuery query(db);
    bool ret          = false;
    QString selectSql = QString("SELECT id, project_id,scale_name,scale_value FROM "
                                "t_scale_info WHERE project_id = %1")
                                .arg(projectId);
    if (query.exec(selectSql)) {
        if (query.next()) {
            if (query.isNull(0) == false) {
                scaleInfo->id         = query.value(0).toInt();
                scaleInfo->projectId  = query.value(1).toInt();
                scaleInfo->scaleName  = query.value(2).toString();
                scaleInfo->scaleValue = query.value(3).toString();
            }
            ret = true;
        }
    } else {
        qDebug() << query.lastError();
    }
    return ret;
}