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/****************************************************************************
**
** Copyright (C) 2017 Pelagicore AG
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Neptune IVI UI.
**
** $QT_BEGIN_LICENSE:GPL-QTAS$
** Commercial License Usage
** Licensees holding valid commercial Qt Automotive Suite licenses may use
** this file in accordance with the commercial license agreement provided
** with the Software or, alternatively, in accordance with the terms
** contained in a written agreement between you and The Qt Company. For
** licensing terms and conditions see https://www.qt.io/terms-conditions.
** For further information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 or (at your option) any later version
** approved by the KDE Free Qt Foundation. The licenses are as published by
** the Free Software Foundation and appearing in the file LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
** SPDX-License-Identifier: GPL-3.0
**
****************************************************************************/
#include "sqltabledatasource.h"
#include "sqltablemodel.h"
#include <QtCore/QtDebug>
#include <QtCore/QStandardPaths>
#include <QtCore/QDir>
#include <QtSql/QSqlError>
SqlTableDataSource::SqlTableDataSource(QObject *parent)
: QObject(parent)
, m_model(nullptr)
, m_status(Null)
, m_componentCompleted(false)
{
}
QString SqlTableDataSource::table() const
{
return m_tableName;
}
QString SqlTableDataSource::database() const
{
return m_databaseName;
}
QAbstractItemModel *SqlTableDataSource::model() const
{
return m_model;
}
int SqlTableDataSource::count() const
{
return m_model ? m_model->rowCount() : 0;
}
SqlTableDataSource::Status SqlTableDataSource::status() const
{
return m_status;
}
void SqlTableDataSource::setStatus(SqlTableDataSource::Status status)
{
if (m_status != status) {
m_status = status;
emit statusChanged(status);
}
}
QString SqlTableDataSource::filter() const
{
return m_model ? m_model->filter() : QString();
}
QVariantMap SqlTableDataSource::get(int index) const
{
return m_model ? m_model->get(index) : QVariantMap();
}
void SqlTableDataSource::classBegin()
{
}
void SqlTableDataSource::componentComplete()
{
qDebug() << "componentComplete";
m_componentCompleted = true;
updateModel();
}
QString SqlTableDataSource::storageLocation() const
{
return QDir::homePath();
}
void SqlTableDataSource::setFilter(const QString &filter)
{
qDebug() << "SqlTableDataSource::setFilter(): " << filter;
if (m_model && (m_model->filter() != filter)) {
m_model->setFilter(filter);
m_model->select();
emit filterChanged(filter);
}
}
void SqlTableDataSource::setTable(const QString &tableName)
{
if (m_tableName != tableName) {
m_tableName = tableName;
updateModel();
emit tableChanged(tableName);
}
}
void SqlTableDataSource::setDatabase(const QString &databaseName)
{
if (m_databaseName != databaseName) {
m_databaseName = databaseName;
updateModel();
emit databaseChanged(databaseName);
}
}
void SqlTableDataSource::updateModel()
{
if (!m_componentCompleted)
return;
qDebug() << "SqlTableDataSource::updateModel()";
if (m_databaseName.isEmpty() || m_tableName.isEmpty()) {
setStatus(Null);
qDebug() << " not configure; return";
return;
}
if (!m_databaseName.isEmpty()) {
if (QSqlDatabase::contains(m_databaseName)) {
qDebug() << " found existing db connection";
m_database = QSqlDatabase::database(m_databaseName);
} else {
qDebug() << " init new db connection";
m_database = QSqlDatabase::addDatabase("QSQLITE", m_databaseName);
QString databasePath = QDir(QStandardPaths::writableLocation(QStandardPaths::HomeLocation)).filePath(m_databaseName + ".db");
m_database.setDatabaseName(databasePath);
qDebug() << "database path: " << databasePath;
}
if (!m_database.isOpen()) {
qDebug() << " open database";
m_database.open();
qDebug() << " tables: " << m_database.tables();
}
}
if (m_database.isValid() && !m_tableName.isEmpty()) {
if (!m_model || (m_model->tableName() != m_tableName)) {
if (m_model) {
delete m_model;
m_model = nullptr;
emit modelChanged(m_model);
}
m_model = new SqlTableModel(this, m_database);
emit modelChanged(m_model);
}
qDebug() << " update table";
setStatus(Loading);
m_model->setTable(m_tableName);
qDebug() << " update role names";
m_model->updateRoleNames();
qDebug() << " select data";
if (!m_model->select())
qDebug() << " error: select data from model";
while (m_model->canFetchMore())
m_model->fetchMore(QModelIndex());
qDebug() << " finish select data";
if (m_model->lastError().isValid()) {
qDebug() << " error: " << m_model->lastError().text();
setStatus(Error);
} else {
qDebug() << " ready";
setStatus(Ready);
}
}
qDebug() << "update model: " << count();
emit modelChanged(m_model);
emit countChanged(count());
}
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