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root/src/entityinspector.cpp @ bf16a581
| 11f5a3a7 | Christian Ehringfeld | /*
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* Copyright (C) 2015 Christian Ehringfeld <c.ehringfeld@t-online.de>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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| 93285804 | Christian Ehringfeld | #include "entityinspector.h"
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| e332a521 | Christian Ehringfeld | #include <QDir>
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#include <QDebug>
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#include <QDateTime>
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using namespace CuteEntityManager;
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| 93285804 | Christian Ehringfeld | ||
| e332a521 | Christian Ehringfeld | EntityInspector::EntityInspector() {
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this->initLogger();
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}
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EntityInspector::~EntityInspector() {
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if (this->logger) {
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delete this->logger;
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this->logger = nullptr;
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}
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}
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bool EntityInspector::checkRegisteredEntities() {
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QStringList classes = EntityInstanceFactory::getRegisteredClasses();
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QString msg = QDateTime::currentDateTime().toString(Qt::ISODate) +
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" - Start checking entities\n";
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qInfo() << msg;
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this->logger->logMsg(msg);
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bool ok = true;
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for (int i = 0; i < classes.size(); ++i) {
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bool r = this->checkEntity(classes.at(i));
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if (!r) {
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msg = "###############################";
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msg += "\n";
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msg += classes.at(i) + " is erroneous!";
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msg += "\n";
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msg += "###############################\n";
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qWarning() << msg;
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ok = false;
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} else {
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| 43457c84 | Christian Ehringfeld | msg = "Entity class " + classes.at(i) + " seems ok.\n";
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| e332a521 | Christian Ehringfeld | qInfo() << msg;
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}
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this->logger->logMsg(msg);
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}
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msg = QDateTime::currentDateTime().toString(Qt::ISODate) +
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" - End checking entities\n";
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qInfo() << msg;
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this->logger->logMsg(msg);
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return ok;
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}
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bool EntityInspector::checkEntity(QString name) {
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QString msg = "--------------------\n";
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| 43457c84 | Christian Ehringfeld | msg += "Checking " + name + " now.\n";
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| e332a521 | Christian Ehringfeld | qDebug() << msg;
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auto entity = this->instantiateEntity(name, msg);
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bool ok = true;
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if (entity) {
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bool relations = this->verifyRelations(entity, msg);
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bool pk = this->checkPrimaryKey(entity, msg);
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this->verifyBlobAttributes(entity, msg);
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this->verifyTransientAttributes(entity, msg);
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ok = pk && relations;
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}
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this->logger->logMsg(msg);
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return ok;
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}
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Entity *EntityInspector::instantiateEntity(const QString name, QString &msg) {
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auto entity = EntityInstanceFactory::createInstance(name);
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QString internMsg = "";
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if (entity) {
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| 43457c84 | Christian Ehringfeld | internMsg = name + " is instantiable.";
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| e332a521 | Christian Ehringfeld | qInfo() << internMsg;
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} else {
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| 43457c84 | Christian Ehringfeld | internMsg = name + " is NOT instantiable!";
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| e332a521 | Christian Ehringfeld | qCritical() << internMsg;
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}
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msg += internMsg + "\n";
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return entity;
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}
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void EntityInspector::checkMetaProperties(QHash<QString, QMetaProperty>
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&metaProperties, QString &msg, bool &ok, QHash<QString, Relation> &relations) {
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for (auto i = metaProperties.constBegin(); i != metaProperties.constEnd();
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++i) {
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QString typeName = QString(i.value().typeName());
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if (!i.value().isWritable()) {
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ok = false;
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msg += "Property " + i.key() + " is not writable!\n”";
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}
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if (!i.value().isReadable()) {
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ok = false;
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msg += "Property " + i.key() + " is not readable!\n”";
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}
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if (typeName.contains("QSharedPointer") && !relations.contains(i.key())) {
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ok = false;
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msg += "For attribute " + i.key() + " is no relation defined!\n";
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} else if (typeName.contains("QPointer")) {
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ok = false;
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msg += i.key() + " must use QSharedPointer.\n";
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}
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}
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}
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| 93285804 | Christian Ehringfeld | ||
| e332a521 | Christian Ehringfeld | bool EntityInspector::verifyRelations(Entity *&entity, QString &msg) {
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bool ok = true;
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auto metaProperties = EntityHelper::getMetaProperties(entity);
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auto relations = entity->getRelations();
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QString iMsg = "";
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this->checkMetaProperties(metaProperties, iMsg, ok, relations);
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for (auto i = relations.constBegin(); i != relations.constEnd(); ++i) {
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| 5f3c7a9c | Christian Ehringfeld | this->checkRelationTypos(i.key(), i.value(), iMsg, ok);
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| e332a521 | Christian Ehringfeld | if (!metaProperties.contains(i.key())) {
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| 43457c84 | Christian Ehringfeld | iMsg += "For relation " + i.key() + " no property exists!";
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| 5f3c7a9c | Christian Ehringfeld | ok = false;
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| e332a521 | Christian Ehringfeld | } else {
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auto metaProperty = metaProperties.value(i.key());
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if (!QString(metaProperty.typeName()).contains("QSharedPointer")) {
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iMsg += "Property " + QString(metaProperty.name()) +
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| 43457c84 | Christian Ehringfeld | " must be a type like QList<QSharedPointer<T>> or simply QSharedPointer<T>.";
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| e332a521 | Christian Ehringfeld | } else {
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auto var = metaProperty.read(entity);
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bool rel = this->checkRelation(var, i.value(), msg, metaProperty);
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if (!rel) {
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ok = false;
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| 43457c84 | Christian Ehringfeld | } else {
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this->checkRelationMappings(metaProperty, i.value(), msg, ok);
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| e332a521 | Christian Ehringfeld | }
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}
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}
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}
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if (!iMsg.isEmpty()) {
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qCritical() << iMsg;
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msg += iMsg;
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}
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return ok;
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}
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void EntityInspector::verifyTransientAttributes(Entity *&entity, QString &msg) {
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auto metaProperties = EntityHelper::getMetaProperties(entity);
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auto relations = entity->getRelations();
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auto transientAttributes = entity->getTransientAttributes();
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auto blobs = entity->getBLOBColumns();
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QString iMsg = "";
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for (int i = 0; i < transientAttributes.size(); ++i) {
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QString attr = transientAttributes.at(i);
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if (!metaProperties.contains(attr)) {
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iMsg += "No transient attribute called " + attr + ".\n";
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}
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if (relations.contains(transientAttributes.at(i))) {
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iMsg += "A transient attribute should not be declared as relation: " +
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attr + ".\n";
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}
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if (blobs.contains(attr)) {
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iMsg += "A transient attribute should not be declared as blob column: " + attr +
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".\n";
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}
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}
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if (!iMsg.isEmpty()) {
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qWarning() << iMsg;
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msg += iMsg;
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}
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}
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bool EntityInspector::checkRelation(const QVariant &entity,
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const Relation &r, QString &msg, const QMetaProperty &property) const {
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QString iMsg = "";
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bool many = r.getType() == RelationType::MANY_TO_MANY
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|| r.getType() == RelationType::ONE_TO_MANY;
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QString propType = QString(property.type());
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bool canConvertList = entity.canConvert<QVariantList>() || (many
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&& propType.contains("QList"));
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if ((many && !canConvertList)) {
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iMsg = "Relation type of " + r.getPropertyName() +
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" must be MANY_TO_MANY or ONE_TO_MANY.\n";
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iMsg += "Or you can change the attribute type to QSharedPointer<T>.\n";
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} else if ((!many && canConvertList)) {
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iMsg = "Relation type of " + r.getPropertyName() +
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" must be MANY_TO_ONE or ONE_TO_ONE.\n";
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iMsg += "Or you can change the attribute type to QList<QSharedPointer<T>>.\n";
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}
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if (many && r.getType() == RelationType::ONE_TO_MANY
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&& r.getMappedBy().isEmpty()) {
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iMsg += "Relation " + r.getPropertyName() +
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" needs a mappedBy attribute of the foreign class.\n";
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}
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if (!iMsg.isEmpty()) {
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msg += iMsg;
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qCritical() << iMsg;
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return false;
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}
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return true;
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| 93285804 | Christian Ehringfeld | }
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| 5f3c7a9c | Christian Ehringfeld | void EntityInspector::checkRelationTypos(const QString &name, const Relation &r,
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QString &msg, bool &ok) {
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if (name != r.getPropertyName()) {
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ok = false;
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msg += "Relation " + name + " has a typo.\n";
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msg += "Name " + name + "and relation name " + r.getPropertyName() +
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" are not equal.\n";
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}
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}
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| 43457c84 | Christian Ehringfeld | void EntityInspector::checkRelationMappings(QMetaProperty &property,
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const Relation &r, QString &msg, bool &ok) {
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QString foreignEntityName = EntityInstanceFactory::extractEntityType(
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property.typeName());
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auto foreignInstance = EntityInstanceFactory::createInstance(foreignEntityName);
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if (foreignInstance) {
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auto foreignRelations = EntityHelper::getRelationProperties(foreignInstance);
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int foundMappedBy = 0;
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bool foundForeignMappedRelation = false;
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for (auto i = foreignRelations.constBegin(); i != foreignRelations.constEnd();
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++i) {
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if (r.getMappedBy().isEmpty()
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&& i.key().getPropertyName() == r.getPropertyName()) {
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++foundMappedBy;
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} else if (!r.getMappedBy().isEmpty()
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&& r.getMappedBy() == i.key().getPropertyName()) {
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foundForeignMappedRelation = true;
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break;
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}
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}
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if (r.getMappedBy().isEmpty()) {
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if (foundMappedBy == 0) {
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msg += "Optional: The relation " + r.getPropertyName() +
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" is not mapped in foreign class " + foreignEntityName +
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". You could map it.\n";
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} else if (foundMappedBy > 1) {
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msg += "The relation " + r.getPropertyName() + " is mapped several times (" +
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QString::number(foundMappedBy) + ") by foreign class " + foreignEntityName +
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". You should map it only once!\n";
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ok = false;
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}
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} else if (!foundForeignMappedRelation) {
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msg += "Relation " + r.getPropertyName() + " with mappedBy attribute " +
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r.getMappedBy() + " has no mapped relation in " + foreignEntityName +
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" class!\n";
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ok = false;
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}
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} else {
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msg += "Can't create object for property/relation " + r.getPropertyName() +
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"!\n";
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msg += "Classname: " + foreignEntityName + "\n";
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msg += "Is the class registered?\n";
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ok = false;
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}
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}
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| e332a521 | Christian Ehringfeld | bool EntityInspector::checkPrimaryKey(Entity *&entity, QString &msg) {
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QString pk = entity->getPrimaryKey();
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auto metaprops = EntityHelper::getMetaProperties(entity);
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QString iMsg = "";
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bool ok = true;
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if (!metaprops.contains(pk)) {
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ok = false;
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iMsg = "Property " + pk +
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" for primary key not exists. Please check your getPrimaryKey() method!\n";
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}
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qCritical() << iMsg;
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msg += iMsg;
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return ok;
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}
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void EntityInspector::verifyBlobAttributes(Entity *&entity, QString &msg) {
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auto metaprops = EntityHelper::getMetaProperties(entity);
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auto blobs = entity->getBLOBColumns();
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QString iMsg = "";
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for (int i = 0; i < blobs.size(); ++i) {
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QString name = blobs.at(i);
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if (!metaprops.contains(name)) {
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iMsg += "For blob column " + name + " no property exists.\n";
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}
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}
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qWarning() << iMsg;
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msg += iMsg;
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}
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void EntityInspector::initLogger() {
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this->logger = new Logger(QDir::currentPath() + "/entity.log");
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}
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