QFD2/QFD/dbService/GradeInfoService.cpp

#include "GradeInfoService.h"
#include "SqlDBHelper.h"
#include <QDebug>
GradeInfoService::GradeInfoService(QObject *parent) { }

int GradeInfoService::AddGradeInfo(const GradeInfo &gradeInfo)
{
    int ret = -1;
    try {
        Transaction t(SqlDBHelper::getDatabase());
        InsertQuery query = t.insertInto("t_grade_info(`project_id`, `grade_name`, `grade_value`, `type`)");
        NonQueryResult result =
                query.values(gradeInfo.projectId, gradeInfo.gradeName, gradeInfo.gradeValue, gradeInfo.type).exec();
        t.commit();
        ret = result.lastInsertId().toInt();
    } catch (const DBException &ex) {
        qDebug() << ex.lastError.text();
    }
    return ret;
}

bool GradeInfoService::UpdateGradeInfo(const GradeInfo &gradeInfo)
{
    bool ret = false;
    try {
        Transaction t(SqlDBHelper::getDatabase());
        t.update("t_grade_info")
                .set("grade_name", gradeInfo.gradeName)
                .set("grade_value", gradeInfo.gradeValue)
                .where("id = ?", gradeInfo.id);
        t.commit();
        ret = true;
    } catch (const DBException &ex) {
        qDebug() << ex.lastError.text();
    }
    return ret;
}

bool GradeInfoService::QueryGradeByProjectIdAndType(GradeInfo *gradeInfo, int projectId, int type)
{
    QSqlDatabase db = SqlDBHelper::getDatabase();
    QSqlQuery query(db);
    bool ret          = false;
    QString selectSql = QString("SELECT id, project_id,grade_name,grade_value FROM "
                                "t_grade_info WHERE project_id = %1 and type = %2")
                                .arg(projectId)
                                .arg(type);
    if (query.exec(selectSql)) {
        if (query.next()) {
            if (query.isNull(0) == false) {
                gradeInfo->id         = query.value(0).toInt();
                gradeInfo->projectId  = query.value(1).toInt();
                gradeInfo->gradeName  = query.value(2).toString();
                gradeInfo->gradeValue = query.value(3).toString();
                gradeInfo->type       = query.value(4).toInt();
            }
            ret = true;
        }
    } else {
        qDebug() << query.lastError();
    }
    return ret;
}