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/*
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* Copyright (C) 2015 Christian Ehringfeld <c.ehringfeld@t-online.de>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
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#include <QVariantList>
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#include <QHash>
#include <QDir>
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#include "entitymanager.h"
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#include "enums/databasetype.h"
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#include "databasemigration.h"
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#include "validators/validatorfactory.h"
#include "validators/validator.h"
#include "validators/validatorrule.h"
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#include "entityinspector.h"
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using namespace CuteEntityManager;
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QStringList EntityManager::connectionNames = QStringList();

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QHash<QString, EntityManager *> EntityManager::instances =
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QHash<QString, EntityManager *>();
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QStringList EntityManager::getConnectionNames() {
return EntityManager::connectionNames;
}

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EntityManager::EntityManager(QSqlDatabase database, bool logQueries,
const bool inspectEntities,
MsgType logActions) : QObject() {
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this->db = QSharedPointer<Database>(new Database(database, true, logQueries, logActions));
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this->init(inspectEntities, logActions);
}

void EntityManager::init(bool inspect, const MsgType msgType) {
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EntityInstanceFactory::registerClass<DatabaseMigration>();
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this->schema = QSharedPointer<Schema>(Database::getSchema(Database::getDatabaseType(
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this->db->getDatabase().driverName()), this->db));
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this->schema->setTables(this->schema->getTableSchemas());
this->queryInterpreter = QSharedPointer<QueryInterpreter>(new QueryInterpreter(
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this->schema->getQueryBuilder().data()));
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this->appendToInstanceList();
if (inspect) {
EntityInspector inspector = EntityInspector(msgType);
inspector.checkRegisteredEntities();
}
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QString loggerFile = this->objectName() + ".log";
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loggerFile.replace("[", "");
loggerFile.replace("]", "");
this->logger = QSharedPointer<Logger>(new Logger(QDir::currentPath() + "/" +
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loggerFile, msgType));
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}

EntityManager::EntityManager(const QString &databaseType, QString databasename,
QString hostname, QString username, QString password, QString port,
bool logQueries, QString databaseOptions, const bool inspectEntities,
CuteEntityManager::MsgType logActions) : QObject() {
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this->db = QSharedPointer<Database>(new Database(databaseType, this->createConnection(), hostname,
databasename, username,
password,
port.toInt(), true, logQueries, databaseOptions, logActions));
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this->init(inspectEntities, logActions);
}

EntityManager::~EntityManager() {
EntityManager::removeConnectionName(this->db->getConnectionName());
EntityManager::instances.remove(this->objectName());
}


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QSharedPointer<QueryBuilder> EntityManager::getQueryBuilder() const {
return this->schema->getQueryBuilder();
}

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bool EntityManager::saveObject(QSharedPointer<Entity> &entity,
QList<Entity *> &mergedObjects, const bool persistRelations,
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const bool ignoreHasChanged, const bool validate,
const bool relationsIgnoreHasChanged) {
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bool merged = mergedObjects.contains(entity.data());
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if (!merged && (ignoreHasChanged || this->hasChanged(entity))) {
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if (entity->getProperty(entity->getPrimaryKey()).toLongLong() > -1) {
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return this->mergeObject(entity, mergedObjects, persistRelations, validate,
relationsIgnoreHasChanged);
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} else {
return this->createObject(entity, mergedObjects, persistRelations, false,
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validate, relationsIgnoreHasChanged);
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}
}
return merged ? true : false;
}

bool EntityManager::mergeObject(QSharedPointer<Entity> &entity,
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QList<Entity *> &mergedObjects, bool withRelations, const bool validate,
const bool relationsIgnoreHasChanged) {
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bool ok = true;
if (!mergedObjects.contains(entity.data())) {
mergedObjects.append(entity.data());
ok = false;
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if (entity->getId() > -1 && (!validate || this->validate(entity))) {
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if (withRelations) {
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this->savePrePersistedRelations(entity, mergedObjects,
relationsIgnoreHasChanged);
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}
this->db->startTransaction();
QList<QSqlQuery> q = this->schema->getQueryBuilder()->merge(
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entity);
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ok = this->db->exec(q);

if (!ok || !this->db->commitTransaction()) {
this->db->rollbackTransaction();
ok = false;
} else if (ok && withRelations) {
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this->savePostPersistedRelations(entity, mergedObjects,
relationsIgnoreHasChanged);
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}
}
}
return ok;
}

bool EntityManager::createObject(QSharedPointer<Entity> &entity,
QList<Entity *> &mergedObjects, const bool persistRelations,
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const bool checkDuplicate, const bool validate,
const bool relationsIgnoreHasChanged) {
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bool rc = true;
if (!mergedObjects.contains(entity.data())) {
mergedObjects.append(entity.data());
rc = false;
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if (this->checkTable(entity) && (!validate || this->validate(entity))
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&& (!checkDuplicate || this->count(entity) <= 0)) {
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if (persistRelations) {
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this->savePrePersistedRelations(entity, mergedObjects,
relationsIgnoreHasChanged);
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}
this->db->startTransaction();
QList<QSqlQuery> q = this->schema->getQueryBuilder()->create(
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entity);
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bool first = true;
QVariant id = -1;
for (int var = 0; var < q.size(); ++var) {
auto query = q.at(var);
if (!first) {
this->schema->getQueryBuilder()->bindValue(entity->getPrimaryKey(), id, query);
}
rc = this->db->exec(query);
if (!rc) {
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this->logger->logMsg("class is erroneous:" + EntityHelper::getClassName(
entity.data()), MsgType::WARNING);
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break;
}
if (first) {
id = query.lastInsertId();
entity->setProperty(entity->getPrimaryKey(), id);
first = false;
}
}
if (!rc || !this->db->commitTransaction()) {
this->db->rollbackTransaction();
entity->setId(-1);
rc = false;
} else {
this->cache.insert(entity);
if (persistRelations) {
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this->savePostPersistedRelations(entity, mergedObjects,
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relationsIgnoreHasChanged, true);
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}
rc = true;
}
}
entity->idChanged();
}
return rc;
}


bool EntityManager::merge(QSharedPointer<Entity> &entity, bool withRelations,
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const bool validate, const bool relationsIgnoreHasChanged) {
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auto merged = QList<Entity *>();
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return this->mergeObject(entity, merged, withRelations, validate,
relationsIgnoreHasChanged);
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}

bool EntityManager::create(QSharedPointer<Entity> &entity,
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const bool persistRelations, const bool checkDuplicate, const bool validate,
const bool relationsIgnoreHasChanged) {
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auto merged = QList<Entity *>();
return this->createObject(entity, merged, persistRelations,
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checkDuplicate, validate, relationsIgnoreHasChanged);
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}
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bool EntityManager::create(QList<QSharedPointer<Entity> > &entities,
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const bool persistRelations, const bool checkDuplicate, const bool validate,
const bool relationsIgnoreHasChanged) {
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bool ok = true;
auto merged = QList<Entity *>();
foreach (QSharedPointer<Entity> ent, entities) {
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this->createObject(ent, merged, persistRelations,
checkDuplicate, validate, relationsIgnoreHasChanged);
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}
return ok;
}

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bool EntityManager::save(QSharedPointer<Entity> &entity,
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const bool persistRelations, const bool ignoreHasChanged, const bool validate,
const bool relationsIgnoreHasChanged) {
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auto merged = QList<Entity *>();
return this->saveObject(entity, merged, persistRelations,
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ignoreHasChanged, validate, relationsIgnoreHasChanged);
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}

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bool EntityManager::save(QList<QSharedPointer<Entity> > &entities,
const bool persistRelations, const bool ignoreHasChanged, const bool validate,
const bool relationsIgnoreHasChanged) {
bool ok = true;
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auto merged = QList<Entity *>();
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foreach (QSharedPointer<Entity> entity, entities) {
ok = this->saveObject(entity, merged, persistRelations,
ignoreHasChanged, validate, relationsIgnoreHasChanged);
if (!ok) {
break;
this->logger->logMsg("Object " + QString::number(entity->getId()) +
" of class " +
EntityHelper::getClassName(entity.data()) + " couldn't saved.",
MsgType::WARNING);
}
}
return ok;
}

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bool EntityManager::startup(QString version, QStringList toInitialize,
bool createIndices) {
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QSharedPointer<Entity> dbm = QSharedPointer<DatabaseMigration>
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(new DatabaseMigration());
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QHash<QString, QVariant> map = QHash<QString, QVariant>();
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bool ok = true;
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map.insert("version", version);
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if (!this->schema->getTableNames().contains(dbm->getTablename())) {
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this->createTable(dbm, true);
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}
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if (this->findAllByAttributes(map, dbm->getTablename()).isEmpty()) {
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QList<QSharedPointer<Entity>> entities = QList<QSharedPointer<Entity>>();
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for (int var = 0; var < toInitialize.size(); ++var) {
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if (ok) {
QString c = toInitialize.at(var);
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auto entity = QSharedPointer<Entity>
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(EntityInstanceFactory::createInstance(c));
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ok = this->createTable(entity, false);
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entities.append(entity);
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} else {
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this->logger->logMsg("startup of version " + version + " failed",
MsgType::CRITICAL);
this->logger->logMsg( "erroneous entity:" + (var == 0 ?
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"null, this should not happen!" : toInitialize.at(var - 1)), MsgType::CRITICAL);
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break;
}
}
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if (ok) {
for (int i = 0; i < entities.size(); ++i) {
ok = this->schema->getQueryBuilder()->createRelationTables(entities.at(i));
if (!ok) {
break;
}
}
}
if (ok && createIndices) {
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for (int i = 0; i < entities.size(); ++i) {
ok = this->schema->getQueryBuilder()->createIndices(entities.at(i));
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if (!ok) {
break;
}
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}
}
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if (ok) {
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auto dbmPtr = dbm.objectCast<DatabaseMigration>();
dbmPtr->setVersion(version);
dbmPtr->setApplyTime(QDateTime::currentDateTime());
this->create(dbm);
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}
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this->schema->setTables(this->schema->getTableSchemas());
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}
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return ok;
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}

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bool EntityManager::executeQuery(const QString &query) {
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return this->db->exec(query);
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}

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bool EntityManager::checkTable(const QSharedPointer<Entity> &entity) {
bool rc = true;
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if (!this->schema->containsTable(entity->getTablename())
&& this->schema->getQueryBuilder()->createTable(entity)) {
this->schema->getTableSchema(entity->getTablename(), true);
rc = this->schema->getTables().contains(entity->getTablename());
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}
return rc;
}
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QSharedPointer<Database> EntityManager::getDb() const {
return db;
}

void EntityManager::setDb(const QSharedPointer<Database> &value) {
db = value;
}

QSharedPointer<Schema> EntityManager::getSchema() const {
return schema;
}

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void EntityManager::refresh(QSharedPointer<Entity> &entity) {
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entity = this->findById(entity->getProperty(
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entity->getPrimaryKey()).toLongLong(),
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EntityHelper::getClassName(entity.data()));
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}

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QList<QHash<QString, QVariant> > EntityManager::selectByQuery(Query &query) {
QSqlQuery q = this->queryInterpreter->build(query);
return this->convertQueryResult(q);
}

QList<QHash<QString, QVariant> > EntityManager::selectBySql(
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const QString &sql) {
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QSqlQuery q = this->db->select(sql);
return this->convertQueryResult(q);
}

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bool EntityManager::validate(QSharedPointer<Entity> &entity) {
QList<ValidationRule> rules = entity->validationRules();
QList<ErrorMsg> list = QList<ErrorMsg>();
for (int i = 0; i < rules.size(); ++i) {
ValidationRule rule = rules.at(i);
QSharedPointer<Validator> validator = ValidatorFactory::getValidatorObject(
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rule.getValidatorName());
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if (validator) {
for (int var = 0; var < rule.getAttributes().size(); ++var) {
QString attr = rule.getAttributes().at(var);
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QList<ErrorMsg> msgs = validator->validate(entity->getProperty(attr),
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rule.getParams());
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for (int i = 0; i < msgs.size(); ++i) {
QString emsg = msgs.at(i).getErrorMsg().replace("<property>", attr);
ErrorMsg m = msgs.at(i);
m.setErrorMsg(emsg);
list.append(m);
}
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}
}
}
entity->setErrors(list);
return !entity->hasErrors();
}

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bool EntityManager::hasChanged(QSharedPointer<Entity> &entity) {
bool changed = true;
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if (entity->getId() > -1) {
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changed = false;
auto listmap = this->findByPk(entity->getId(), entity);
auto relations = entity->getRelations();
QStringList rels = QStringList();
for (auto i = relations.constBegin(); i != relations.constEnd(); ++i) {
if (i.value().getType() == RelationType::MANY_TO_ONE
|| (i.value().getType() == RelationType::ONE_TO_ONE
&& i.value().getMappedBy().isEmpty())) {
rels.append(this->schema->getQueryBuilder()->generateColumnNameID(i.key()));
}
}
for (auto i = listmap.constBegin(); i != listmap.constEnd(); ++i) {
if (rels.contains(i.key())) {
QString appendix =
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this->schema->getQueryBuilder()->columnNameIDAppendix();
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QString relKey = i.key();
QVariant v = entity->getProperty(relKey.remove(relKey.size() - appendix.size(),
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appendix.size()));
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if (v.isValid() && !v.isNull()) {
auto e = EntityInstanceFactory::castQVariant(v);
if (e->getProperty(entity->getPrimaryKey()) != i.value()) {
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changed = true;
break;
}
}
} else {
QVariant property = entity->getProperty(i.key());
changed = i.value() != property && !(i.value().isNull() && property.isNull());
if (changed) {
break;
}
}
}
}
return changed;
}

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QString EntityManager::createConnection() {
QStringList l = EntityManager::getConnectionNames();
QString conName = "";
bool ok = false;
qint16 i = 0;
while (!ok) {
if (l.contains("con" + QString::number(i))) {
++i;
} else {
l.append("con" + QString::number(i));
ok = true;
conName = "con" + QString::number(i);
EntityManager::setConnectionNames(l);
}
}
return conName;
}

void EntityManager::removeConnectionName(const QString &name) {
EntityManager::connectionNames.removeOne(name);
}

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QSharedPointer<Entity> EntityManager::findById(const qint64 &id,
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QSharedPointer<Entity> &e,
const bool refresh) {
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QSharedPointer<Entity> r;
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if (!e.isNull() && (refresh
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|| !(r = this->cache.get(id, EntityHelper::getClassname(e.data()))))) {
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e->setId(id);
auto map = this->findByPk(id, e);
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r = this->convert(map, EntityHelper::getClassname(e.data()), refresh);
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}
return r;
}

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QSharedPointer<Entity> EntityManager::findById(const qint64 &id,
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const QString &classname) {
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QSharedPointer<Entity> e = QSharedPointer<Entity>
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(EntityInstanceFactory::createInstance(classname));
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return this->findById(id, e);
}

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void EntityManager::manyToOne(const QSharedPointer<Entity> &entity,
const QVariant &id,
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const QMetaProperty &property, const bool refresh) {
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qint64 convertedId = -1;
bool ok = false;
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if ((convertedId = id.toLongLong(&ok)) && ok && convertedId > -1) {
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QString className = EntityInstanceFactory::extractEntityType(
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property.typeName());
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QSharedPointer<Entity> ptr = QSharedPointer<Entity>();
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if (refresh || !(this->cache.contains(convertedId, className)
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&& (ptr = this->cache.get(convertedId, className)) && ptr)) {
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ptr = this->findById(convertedId, className);
}
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EntityHelper::setProperty(entity, ptr, property);
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}
}

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void EntityManager::oneToMany(const QSharedPointer<Entity> &entity,
const Relation &r,
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const QMetaProperty &property, const bool refresh) {
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if (entity.data() && entity->getId() > -1) {
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auto e = QSharedPointer<Entity>(EntityInstanceFactory::createInstance(
EntityInstanceFactory::extractEntityType(
property.typeName())));
if (e) {
QSqlQuery q = this->schema->getQueryBuilder()->oneToMany(e->getTablename(),
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this->schema->getQueryBuilder()->generateColumnNameID(r.getMappedBy()),
entity->getId());
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auto listMap = this->convertQueryResult(q);
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auto entities = this->convert(listMap, EntityHelper::getClassname(e.data()),
refresh);
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EntityHelper::setListProperty(entity, entities, property);
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}
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}
}
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void EntityManager::oneToOne(const QSharedPointer<Entity> &entity,
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const Relation &r, const QMetaProperty &property, const bool refresh,
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const QVariant &id) {
if (r.getMappedBy().isEmpty()) {
this->manyToOne(entity, id, property);
} else {
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auto e = QSharedPointer<Entity>(EntityInstanceFactory::createInstance(
EntityInstanceFactory::extractEntityType(property.typeName())));
if (e) {
QSqlQuery q = this->schema->getQueryBuilder()->oneToMany(
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e->getTablename(),
this->schema->getQueryBuilder()->generateColumnNameID(
r.getMappedBy()),
entity->getProperty(entity->getPrimaryKey()).toLongLong(), 1);
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auto listMap = this->convertQueryResult(q);
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auto entities = this->convert(listMap, EntityHelper::getClassname(e.data()),
refresh);
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if (!entities.isEmpty()) {
QSharedPointer<Entity> ptr = entities.at(0);
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EntityHelper::setProperty(entity, ptr, property);
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}
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}
}
}

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void EntityManager::savePrePersistedRelations(const QSharedPointer<Entity>
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&entity, QList<Entity *> &mergedObjects, bool ignoreHasChanged) {
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auto relations = EntityHelper::getRelationProperties(entity.data());
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auto iterator = relations.constBegin();
while (iterator != relations.constEnd()) {
const Relation r = iterator.key();
auto var = iterator.value().read(entity.data());
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if (!var.isNull()) {
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if (r.getType() == RelationType::MANY_TO_ONE) {
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auto e = EntityInstanceFactory::castQVariant(var);
if (this->shouldBeSaved(e, r)) {
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this->saveObject(e, mergedObjects, true, ignoreHasChanged);
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auto fkProp = EntityHelper::mappedProperty(r, e);
if (fkProp.isValid()) {
EntityHelper::addEntityToListProperty(e, entity, fkProp);
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}
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}
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} else if (r.getType() == RelationType::ONE_TO_ONE
&& r.getMappedBy().isEmpty()) {
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auto e = EntityInstanceFactory::castQVariant(var);
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this->saveObject(e, mergedObjects, true, ignoreHasChanged);
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auto prop = EntityHelper::mappedProperty(r, e);
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EntityHelper::setProperty(e, entity, prop);
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}
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}
++iterator;
}
}

void EntityManager::savePostPersistedRelations(const QSharedPointer<Entity>
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&entity, QList<Entity *> &mergedObjects, bool ignoreHasChanged, bool newItem) {
e8d1537c Christian Ehringfeld
auto relations = EntityHelper::getRelationProperties(entity.data());
f27ac316 Christian Ehringfeld
for (auto i = relations.constBegin(); i != relations.constEnd(); ++i) {
const Relation r = i.key();
auto var = i.value().read(entity.data());
df1e56bd Christian Ehringfeld
if (!var.isNull()) {
ae497991 Christian Ehringfeld
if (r.getType() == RelationType::MANY_TO_MANY) {
87739ae0 Christian Ehringfeld
this->persistManyToMany(entity, r, var, mergedObjects, ignoreHasChanged,
newItem);
ae497991 Christian Ehringfeld
} else if (r.getType() == RelationType::ONE_TO_MANY) {
df1e56bd Christian Ehringfeld
QList<QSharedPointer<Entity>> list = EntityInstanceFactory::castQVariantList(
e5a0d313 Christian Ehringfeld
var);
66704054 Christian Ehringfeld
if (!list.isEmpty()) {
auto fkProp = EntityHelper::mappedProperty(r, list.at(0));
42d32a68 Christian Ehringfeld
for (int var = 0; var < list.size(); ++var) {
auto e = list.at(var);
if (this->shouldBeSaved(e, r)) {
f27ac316 Christian Ehringfeld
EntityHelper::setProperty(e, entity, fkProp);
bb0340b7 Christian Ehringfeld
this->saveObject(e, mergedObjects, true, ignoreHasChanged);
42d32a68 Christian Ehringfeld
}
df1e56bd Christian Ehringfeld
}
e8d1537c Christian Ehringfeld
}
da565582 Christian Ehringfeld
} else if (r.getType() == RelationType::ONE_TO_ONE
&& !r.getMappedBy().isEmpty()) {
e8d1537c Christian Ehringfeld
auto e = EntityInstanceFactory::castQVariant(var);
66704054 Christian Ehringfeld
auto fkProp = EntityHelper::mappedProperty(r, e);
f27ac316 Christian Ehringfeld
EntityHelper::setProperty(e, entity, fkProp);
bb0340b7 Christian Ehringfeld
this->saveObject(e, mergedObjects, true, ignoreHasChanged);

4f3b13f3 Christian Ehringfeld
}
}
}
91ed1164 Christian Ehringfeld
}

void EntityManager::persistMappedByRelation(const QList<QSharedPointer<Entity> >
e5a0d313 Christian Ehringfeld
&list, QSqlQuery &q, const QSharedPointer<Entity> &entity,
const QSharedPointer<Entity> &ptr, const Relation &r,
const QString &tblName, QList<Entity *> &mergedObjects) {
91ed1164 Christian Ehringfeld
q.clear();
66704054 Christian Ehringfeld
QList<QSharedPointer<Entity>> saved =
e5a0d313 Christian Ehringfeld
r.getCascadeType().contains(CascadeType::ALL) ||
r.getCascadeType().contains(CascadeType::MERGE) ||
r.getCascadeType().contains(CascadeType::PERSIST) ?
this->saveRelationEntities(list, r, mergedObjects) : list;
719a0ba1 Christian Ehringfeld
this->db->startTransaction();
abb9e8c5 Christian Ehringfeld
auto builder = this->schema->getQueryBuilder();
q = builder->manyToManyInsert(tblName,
builder->generateManyToManyColumnName(entity),
builder->generateManyToManyColumnName(ptr));
b5d490c7 Christian Ehringfeld
q.bindValue(0, entity->getProperty(entity->getPrimaryKey()));
e8d1537c Christian Ehringfeld
auto prop = EntityHelper::mappedProperty(r, ptr);
3fd96253 Christian Ehringfeld
QSharedPointer<Entity> item;
e24791d7 Christian Ehringfeld
for (int var = 0; var < saved.size(); ++var) {
3fd96253 Christian Ehringfeld
item = list.at(var);
b5d490c7 Christian Ehringfeld
if (item->getProperty(item->getPrimaryKey()).toLongLong() > -1) {
q.bindValue(1, item->getProperty(ptr->getPrimaryKey()));
66704054 Christian Ehringfeld
bool ok = this->db->exec(q);
e332a521 Christian Ehringfeld
if (ok) {
c9e79b83 Christian Ehringfeld
EntityHelper::addEntityToListProperty(item, entity, prop);
e24791d7 Christian Ehringfeld
}
91ed1164 Christian Ehringfeld
}
}
719a0ba1 Christian Ehringfeld
if (!this->db->commitTransaction()) {
this->db->rollbackTransaction();
}
4f3b13f3 Christian Ehringfeld
}
a06633f7 Christian Ehringfeld
28d2f01a Christian Ehringfeld
QString EntityManager::generateObjectName() {
int i = 0;
QString name = "em[";
while (true) {
if (!EntityManager::instances.contains(name + QString::number(i) + "]")) {
name += QString::number(i) + "]";
break;
}
}
return name;
}

void EntityManager::appendToInstanceList() {
this->setObjectName(this->generateObjectName());
EntityManager::instances.insert(this->objectName(), this);
}
0d155b40 Christian Ehringfeld
28d2f01a Christian Ehringfeld
QHash<QString, EntityManager *> EntityManager::getInstances() {
return instances;
}

EntityManager *EntityManager::getDefaultInstance() {
for (auto i = EntityManager::instances.constBegin();
e5a0d313 Christian Ehringfeld
i != EntityManager::instances.constEnd(); ++i) {
28d2f01a Christian Ehringfeld
return i.value();
}
return nullptr;
}

EntityManager *EntityManager::getInstance(QString name) {
if (EntityManager::instances.contains(name)) {
return EntityManager::instances.value(name);
}
return nullptr;
}


e24791d7 Christian Ehringfeld
bool EntityManager::shouldBeSaved(QSharedPointer<Entity> &entity,
const Relation &r) {
da565582 Christian Ehringfeld
return entity && (r.getCascadeType().contains(CascadeType::ALL)
b5d490c7 Christian Ehringfeld
|| (entity->getProperty(entity->getPrimaryKey()) > -1
da565582 Christian Ehringfeld
&& r.getCascadeType().contains(CascadeType::MERGE))
b5d490c7 Christian Ehringfeld
|| (entity->getProperty(entity->getPrimaryKey()) <= -1
da565582 Christian Ehringfeld
&& r.getCascadeType().contains(CascadeType::PERSIST)));
e24791d7 Christian Ehringfeld
}

void EntityManager::removeRelations(const QSharedPointer<Entity> &entity) {
e8d1537c Christian Ehringfeld
auto props = EntityHelper::getRelationProperties(entity.data());
f27ac316 Christian Ehringfeld
for (auto i = props.constBegin(); i != props.constEnd(); ++i) {
const Relation r = i.key();
auto property = i.value();
2075db87 Christian Ehringfeld
auto var = property.read(entity.data());
da565582 Christian Ehringfeld
if (r.getType() == RelationType::MANY_TO_MANY) {
2075db87 Christian Ehringfeld
this->removeManyToManyEntityList(entity, r, var);
da565582 Christian Ehringfeld
} else if (r.getType() == RelationType::ONE_TO_MANY) {
if (r.getCascadeType().contains(CascadeType::REMOVE)
|| r.getCascadeType().contains(CascadeType::ALL)) {
2075db87 Christian Ehringfeld
this->removeEntityList(var);
} else {
this->setNullOneToManyRelation(var, r);
}
da565582 Christian Ehringfeld
} else if (r.getType() == RelationType::MANY_TO_ONE
|| r.getType() == RelationType::MANY_TO_ONE) {
2075db87 Christian Ehringfeld
this->setNullEntityPropertyRelation(var, r);
e24791d7 Christian Ehringfeld
}
}
}

2075db87 Christian Ehringfeld
void EntityManager::setNullOneToManyRelation(QVariant &var, const Relation &r) {
df1e56bd Christian Ehringfeld
if (!r.getMappedBy().isEmpty() && !var.isNull()
&& var.canConvert<QVariantList>()) {
auto list = EntityInstanceFactory::castQVariantList(var);
if (!list.isEmpty()) {
e8d1537c Christian Ehringfeld
auto metas = EntityHelper::getMetaProperties(list.at(0).data());
df1e56bd Christian Ehringfeld
if (metas.contains(r.getMappedBy())) {
for (int var = 0; var < list.size(); ++var) {
auto entity = list.at(var);
e8d1537c Christian Ehringfeld
EntityHelper::setProperty(entity, QSharedPointer<Entity>(),
42d32a68 Christian Ehringfeld
metas.value(r.getMappedBy()));
df1e56bd Christian Ehringfeld
this->save(entity);
2075db87 Christian Ehringfeld
}
}
}
}
}

void EntityManager::setNullEntityPropertyRelation(QVariant &var,
e5a0d313 Christian Ehringfeld
const Relation &r) {
da565582 Christian Ehringfeld
if (r.getCascadeType().contains(CascadeType::REMOVE)
|| r.getCascadeType().contains(CascadeType::ALL)) {
2075db87 Christian Ehringfeld
this->removeEntity(var);
df1e56bd Christian Ehringfeld
} else if (!r.getMappedBy().isEmpty() && !var.isNull()) {
auto e = EntityInstanceFactory::castQVariant(var);
e8d1537c Christian Ehringfeld
auto metas = EntityHelper::getMetaProperties(e.data());
df1e56bd Christian Ehringfeld
if (metas.contains(r.getMappedBy())) {
66704054 Christian Ehringfeld
EntityHelper::setProperty(e, QSharedPointer<Entity>(),
metas.value(r.getMappedBy()));
df1e56bd Christian Ehringfeld
this->save(e);
2075db87 Christian Ehringfeld
}
}
}

void EntityManager::removeEntity(QVariant &var) {
df1e56bd Christian Ehringfeld
if (!var.isNull()) {
auto e = EntityInstanceFactory::castQVariant(var);
2075db87 Christian Ehringfeld
this->remove(e);
}
}

void EntityManager::removeEntityList(QVariant &var) {
df1e56bd Christian Ehringfeld
if (var.canConvert<QVariantList>()) {
auto list = EntityInstanceFactory::castQVariantList(var);
2075db87 Christian Ehringfeld
for (int var = 0; var < list.size(); ++var) {
auto entity = list.at(var);
this->remove(entity);
}
}
}

void EntityManager::removeManyToManyEntityList(const QSharedPointer<Entity> &e,
e5a0d313 Christian Ehringfeld
const Relation &r,
QVariant &var) {
df1e56bd Christian Ehringfeld
if (!var.isNull() && var.canConvert<QVariantList>()) {
auto list = EntityInstanceFactory::castQVariantList(var);
2075db87 Christian Ehringfeld
if (!list.isEmpty()) {
abb9e8c5 Christian Ehringfeld
auto builder = this->schema->getQueryBuilder();
2075db87 Christian Ehringfeld
auto ptr = list.at(0);
09b2592d Christian Ehringfeld
QString tblName = builder->generateManyToManyTableName(e, ptr, r);
abb9e8c5 Christian Ehringfeld
if (this->schema->getTables().contains(tblName)) {
QSqlQuery q = builder->manyToManyDelete(
e5a0d313 Christian Ehringfeld
tblName, builder->generateManyToManyColumnName(e),
e->getProperty(e->getPrimaryKey()).toLongLong());
48245e6a Christian Ehringfeld
if (this->db->exec(q)) {
bool refresh = r.getCascadeType().contains(CascadeType::REFRESH)
e5a0d313 Christian Ehringfeld
|| r.getCascadeType().contains(CascadeType::ALL);
48245e6a Christian Ehringfeld
bool remove = r.getCascadeType().contains(CascadeType::REMOVE)
e5a0d313 Christian Ehringfeld
|| r.getCascadeType().contains(CascadeType::ALL);
48245e6a Christian Ehringfeld
auto fkProp = EntityHelper::mappedProperty(r, ptr);
2075db87 Christian Ehringfeld
for (int var = 0; var < list.size(); ++var) {
auto entity = list.at(var);
if (remove) {
this->remove(entity);
} else if (refresh) {
48245e6a Christian Ehringfeld
EntityHelper::removeEntityFromListProperty(entity, e, fkProp);
2075db87 Christian Ehringfeld
}
}
}
}
}
}
}

e24791d7 Christian Ehringfeld
QList<QSharedPointer<Entity>> EntityManager::saveRelationEntities(
e5a0d313 Christian Ehringfeld
const QList<QSharedPointer<Entity> > &list, const Relation &r,
QList<Entity *> &mergedObjects) {
e24791d7 Christian Ehringfeld
QList<QSharedPointer<Entity>> saved = QList<QSharedPointer<Entity>>();
91ed1164 Christian Ehringfeld
QSharedPointer<Entity> ptr;
for (int var = 0; var < list.size(); ++var) {
ptr = list.at(var);
0d155b40 Christian Ehringfeld
if ((this->shouldBeSaved(ptr, r) && this->saveObject(ptr, mergedObjects))
a473cd61 Christian Ehringfeld
|| ptr->getProperty(ptr->getPrimaryKey()).toLongLong() > -1) {
e24791d7 Christian Ehringfeld
saved.append(ptr);
91ed1164 Christian Ehringfeld
}
}
e24791d7 Christian Ehringfeld
return saved;
91ed1164 Christian Ehringfeld
}
98b5b08d Christian Ehringfeld
void EntityManager::persistManyToMany(const QSharedPointer<Entity> &entity,
d2bebf1b Christian Ehringfeld
const Relation &r, QVariant &property, QList<Entity *> &mergedObjects,
87739ae0 Christian Ehringfeld
const bool ignoreHasChanged, const bool newItem) {
f6a3fe0a Christian Ehringfeld
auto list = property.value<QList<QVariant>>();
df1e56bd Christian Ehringfeld
if (!list.isEmpty() && !(list.at(0).isNull())) {
auto var = list.at(0);
auto ptr = EntityInstanceFactory::castQVariant(var);
auto builder = this->schema->getQueryBuilder();
09b2592d Christian Ehringfeld
QString tblName = builder->generateManyToManyTableName(entity, ptr, r);
0d155b40 Christian Ehringfeld
if (this->schema->containsTable(tblName)) {
87739ae0 Christian Ehringfeld
bool ok = newItem;
QSqlQuery q;
if (!newItem) {
q = builder->manyToManyDelete(
e5a0d313 Christian Ehringfeld
tblName, builder->generateManyToManyColumnName(entity),
entity->getProperty(entity->getPrimaryKey()).toLongLong());
87739ae0 Christian Ehringfeld
ok = this->db->exec(q);
} else {
q = builder->getQuery();
}
if (ok) {
df1e56bd Christian Ehringfeld
auto nList = EntityInstanceFactory::castQVariantList(property);
0d155b40 Christian Ehringfeld
this->persistMappedByRelation(nList, q, entity, ptr, r, tblName, mergedObjects);
98b5b08d Christian Ehringfeld
}
df1e56bd Christian Ehringfeld
} else {
66704054 Christian Ehringfeld
this->missingManyToManyTable(tblName, entity, r);
98b5b08d Christian Ehringfeld
}
}
}

66704054 Christian Ehringfeld
void EntityManager::missingManyToManyTable(const QString &tblName,
e5a0d313 Christian Ehringfeld
const QSharedPointer<Entity> &e, const Relation &r) {
3938a37e Christian Ehringfeld
this->logger->logMsg("MANY_TO_MANY Table " + tblName + " is missing.\n" +
"Entity " + EntityHelper::getClassName(e.data()) +
" is affected.\n" + "Relation of property: " + r.getPropertyName(),
MsgType::CRITICAL);
66704054 Christian Ehringfeld
}
98b5b08d Christian Ehringfeld
e0e1ead8 Christian Ehringfeld
void EntityManager::manyToMany(const QSharedPointer<Entity> &entity,
09b2592d Christian Ehringfeld
const QMetaProperty &property, const Relation &relation, const bool refresh) {
df1e56bd Christian Ehringfeld
QSharedPointer<Entity> secEntityPtr = QSharedPointer<Entity>
e5a0d313 Christian Ehringfeld
(EntityInstanceFactory::createInstance(EntityInstanceFactory::extractEntityType(
QString(property.typeName()))));
abb9e8c5 Christian Ehringfeld
auto builder = this->schema->getQueryBuilder();
df1e56bd Christian Ehringfeld
if (secEntityPtr) {
09b2592d Christian Ehringfeld
QString tblName = builder->generateManyToManyTableName(entity, secEntityPtr,
e5a0d313 Christian Ehringfeld
relation);
abb9e8c5 Christian Ehringfeld
if (this->schema->getTables().contains(tblName)) {
QSqlQuery q = builder->manyToMany(tblName,
builder->generateManyToManyColumnName(entity),
2ce163c3 Christian Ehringfeld
entity->getProperty(entity->getPrimaryKey()).toLongLong());
c599658a Christian Ehringfeld
auto listMap = this->convertQueryResult(q);
9d62f4aa Christian Ehringfeld
QSharedPointer<Entity> e = QSharedPointer<Entity>();
2ce163c3 Christian Ehringfeld
for (int var = 0; var < listMap.size(); ++var) {
auto id = listMap.at(var).value(builder->generateManyToManyColumnName(
secEntityPtr));
if (!refresh
66704054 Christian Ehringfeld
&& this->cache.contains(id.toLongLong(),
EntityHelper::getClassname(secEntityPtr.data()))) {
e = this->cache.get(id.toLongLong(),
EntityHelper::getClassname(secEntityPtr.data()));
2ce163c3 Christian Ehringfeld
} else {
66704054 Christian Ehringfeld
e = this->findById(id.toLongLong(),
EntityHelper::getClassname(secEntityPtr.data()));
9d62f4aa Christian Ehringfeld
}
66704054 Christian Ehringfeld
if (e) {
EntityHelper::addEntityToListProperty(entity, e, property);
2ce163c3 Christian Ehringfeld
}
f9cef58f Christian Ehringfeld
}
c599658a Christian Ehringfeld
} else {
66704054 Christian Ehringfeld
this->missingManyToManyTable(tblName, entity, relation);
c599658a Christian Ehringfeld
}
706de2e8 Christian Ehringfeld
}
a06633f7 Christian Ehringfeld
}

e0e1ead8 Christian Ehringfeld
QList<QSharedPointer<Entity> > EntityManager::findEntityByAttributes(
e5a0d313 Christian Ehringfeld
const QSharedPointer<Entity>
&entity,
bool ignoreID) {
1e213c09 Christian Ehringfeld
auto maps = this->findAllByAttributes(entity, ignoreID);
e8d1537c Christian Ehringfeld
return this->convert(maps, EntityHelper::getClassname(entity.data()));
7e233492 Christian Ehringfeld
}

6d91d381 Christian Ehringfeld
QHash<QString, QVariant> EntityManager::findByPk(qint64 id,
e5a0d313 Christian Ehringfeld
const QSharedPointer<Entity>
&e) {
abb9e8c5 Christian Ehringfeld
QSqlQuery q = this->schema->getQueryBuilder()->find(id, e, 0,
e5a0d313 Christian Ehringfeld
e->getPrimaryKey());
706de2e8 Christian Ehringfeld
auto listMap = this->convertQueryResult(q);
if (!listMap.isEmpty()) {
return listMap.at(0);
7e233492 Christian Ehringfeld
}
706de2e8 Christian Ehringfeld
return QHash<QString, QVariant>();
7e233492 Christian Ehringfeld
}

f4e3904b Christian Ehringfeld
e0e1ead8 Christian Ehringfeld
QList<QHash<QString, QVariant> > EntityManager::findAllByAttributes(
e5a0d313 Christian Ehringfeld
const QSharedPointer<Entity>
&entity,
bool ignoreID) {
abb9e8c5 Christian Ehringfeld
QSqlQuery q = this->schema->getQueryBuilder()->findByAttributes(
e5a0d313 Christian Ehringfeld
entity, ignoreID);
dc6b13b4 Christian Ehringfeld
return this->convertQueryResult(q);
}

e0e1ead8 Christian Ehringfeld
QList<QHash <QString, QVariant> > EntityManager::findAllByAttributes(
e5a0d313 Christian Ehringfeld
const QHash<QString, QVariant> &m, const QString &tblname, bool ignoreID) {
abb9e8c5 Christian Ehringfeld
QSqlQuery q = this->schema->getQueryBuilder()->findByAttributes(m,
e5a0d313 Christian Ehringfeld
tblname, ignoreID);
7e233492 Christian Ehringfeld
return this->convertQueryResult(q);
}

e0e1ead8 Christian Ehringfeld
QList<QHash<QString, QVariant> > EntityManager::convertQueryResult(
e5a0d313 Christian Ehringfeld
QSqlQuery &q) {
7e233492 Christian Ehringfeld
QList<QHash <QString, QVariant> > listmap = QList<QHash <QString, QVariant> >();
this->db->select(q);
QSqlRecord rec = q.record();
QStringList l = QStringList();
qint16 field_count = rec.count();
for (int var = 0; var < field_count; ++var) {
l.append(rec.fieldName(var));
}
QHash<QString, QVariant> map = QHash<QString, QVariant>();
while (q.next()) {
for (int var = 0; var < field_count; ++var) {
map.insert(l.at(var), q.value(rec.indexOf(l.at(var))));
}
listmap.append(map);
}
return listmap;
}

f5087482 Christian Ehringfeld
QList<QHash <QString, QVariant> > EntityManager::findAll(
e5a0d313 Christian Ehringfeld
const QSharedPointer<Entity> &e) {
abb9e8c5 Christian Ehringfeld
QSqlQuery q = this->schema->getQueryBuilder()->findAll(e);
7e233492 Christian Ehringfeld
return this->convertQueryResult(q);
}
b0b8dac3 Christian Ehringfeld
e0e1ead8 Christian Ehringfeld
void EntityManager::resolveRelations(const QSharedPointer<Entity> &entity,
4f3b13f3 Christian Ehringfeld
const QHash<QString, QVariant> &map, const bool refresh) {
e8d1537c Christian Ehringfeld
auto props = EntityHelper::getRelationProperties(entity.data());
2d9fab10 Christian Ehringfeld
auto iterator = props.constBegin();
while (iterator != props.constEnd()) {
const Relation r = iterator.key();
const QMetaProperty property = iterator.value();
df1e56bd Christian Ehringfeld
QString colName = this->schema->getQueryBuilder()->generateColumnNameID(
e5a0d313 Christian Ehringfeld
r.getPropertyName());
a06633f7 Christian Ehringfeld
switch (r.getType()) {
da565582 Christian Ehringfeld
case RelationType::MANY_TO_ONE:
df1e56bd Christian Ehringfeld
if (map.contains(colName)) {
this->manyToOne(entity, map.value(colName), property, refresh);
a06633f7 Christian Ehringfeld
}
break;
da565582 Christian Ehringfeld
case RelationType::MANY_TO_MANY:
09b2592d Christian Ehringfeld
this->manyToMany(entity, property, r, refresh);
a06633f7 Christian Ehringfeld
break;
da565582 Christian Ehringfeld
case RelationType::ONE_TO_MANY:
4f3b13f3 Christian Ehringfeld
this->oneToMany(entity, r, property, refresh);
a06633f7 Christian Ehringfeld
break;
da565582 Christian Ehringfeld
case RelationType::ONE_TO_ONE:
df1e56bd Christian Ehringfeld
this->oneToOne(entity, r, property, refresh, map.value(colName));
a06633f7 Christian Ehringfeld
break;
}
++iterator;
}
}

dc6b13b4 Christian Ehringfeld
qint64 EntityManager::findId(QSharedPointer<Entity> &entity) {
qint64 r = -1;
abb9e8c5 Christian Ehringfeld
QSqlQuery q = this->schema->getQueryBuilder()->findId(entity);
dc6b13b4 Christian Ehringfeld
this->db->select(q);
if (q.next()) {
r = q.value(0).toLongLong();
}
return r;
}

586bb527 Christian Ehringfeld
bool EntityManager::remove(QSharedPointer<Entity> &entity) {
7e233492 Christian Ehringfeld
bool rc = false;
e24791d7 Christian Ehringfeld
this->db->startTransaction();
this->removeRelations(entity);
abb9e8c5 Christian Ehringfeld
auto queries = this->schema->getQueryBuilder()->remove(entity);
66704054 Christian Ehringfeld
bool ok = this->db->exec(queries);
95b60eb2 Christian Ehringfeld
if (ok && this->db->commitTransaction()) {
9070a496 Christian Ehringfeld
this->cache.remove(entity);
586bb527 Christian Ehringfeld
entity.clear();
7e233492 Christian Ehringfeld
rc = true;
66704054 Christian Ehringfeld
} else {
this->db->rollbackTransaction();
7e233492 Christian Ehringfeld
}
return rc;
}
b0b8dac3 Christian Ehringfeld
8306a974 Christian Ehringfeld
bool EntityManager::removeAll(QString tblname) {
abb9e8c5 Christian Ehringfeld
return this->schema->getQueryBuilder()->removeAll(tblname).exec();
8306a974 Christian Ehringfeld
}

b7446f4c Christian Ehringfeld
bool EntityManager::createTable(const QSharedPointer<Entity> &entity,
bool createRelationTables) {
abb9e8c5 Christian Ehringfeld
return this->schema->getQueryBuilder()->createTable(entity,
e5a0d313 Christian Ehringfeld
createRelationTables);
9c2f773f Christian Ehringfeld
}

0ec1cbfb Christian Ehringfeld
bool EntityManager::createTable(QString className, bool createRelationTables) {
QSharedPointer<Entity> e = QSharedPointer<Entity>
e5a0d313 Christian Ehringfeld
(EntityInstanceFactory::createInstance(className));
0ec1cbfb Christian Ehringfeld
return this->schema->getQueryBuilder()->createTable(e, createRelationTables);
}

87739ae0 Christian Ehringfeld
quint8 EntityManager::count(const QSharedPointer<Entity> &entity, bool ignoreID,
bool followInheritance) {
Query q = Query();
auto qb = this->schema->getQueryBuilder();
QHash<QString, QVariant> values;
if (followInheritance) {
q.appendJoins(qb->joinBaseClasses(entity));
values = EntityHelper::getEntityAttributes(EntityHelper::getMetaProperties(
e5a0d313 Christian Ehringfeld
entity.data()), entity);
87739ae0 Christian Ehringfeld
} else {
values = EntityHelper::getEntityAttributes(
e5a0d313 Christian Ehringfeld
EntityHelper::getNonInheritedMetaProperties(entity.data()), entity);
87739ae0 Christian Ehringfeld
}
//maybe filter MANY_TO_MANY and ONE_TO_MANY relations
q.appendFrom(entity->getTablename());
q.appendWhere(qb->where(values, qb->andKeyword(), ignoreID,
entity->getPrimaryKey(), false));
q.appendParams(values);
return this->count(q);
}

quint8 EntityManager::count(const QString &tableName) {
dc6b13b4 Christian Ehringfeld
qint8 rc = -1;
87739ae0 Christian Ehringfeld
QSqlQuery q = this->schema->getQueryBuilder()->count(tableName);
dc6b13b4 Christian Ehringfeld
this->db->select(q);
if (q.next()) {
rc = q.value(0).toInt();
}
return rc;
}

87739ae0 Christian Ehringfeld
qint8 EntityManager::count(Query &query) {
qint8 rc = 0;
query.appendSelect("COUNT(*)");
QSqlQuery q = this->queryInterpreter->build(query);
dc6b13b4 Christian Ehringfeld
this->db->select(q);
if (q.next()) {
rc = q.value(0).toInt();
}
return rc;
}

586bb527 Christian Ehringfeld
void EntityManager::setConnectionNames(QStringList list) {
EntityManager::connectionNames = list;
}
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QSharedPointer<Entity> EntityManager::convert(const QHash<QString, QVariant>
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&map,
const char *classname, const bool refresh, const bool resolveRelations) {
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auto ptr = QSharedPointer<Entity>(EntityInstanceFactory::createInstance(
classname, map));
this->cache.insert(ptr);
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if (resolveRelations) {
this->resolveRelations(ptr, map, refresh);
}
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return ptr;
}

QList<QSharedPointer<Entity> > EntityManager::convert(
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QList<QHash<QString, QVariant> > maps,
const char *classname, const bool refresh, const bool resolveRelations) {
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auto list = QList<QSharedPointer<Entity> >();
for (int var = 0; var < maps.size(); ++var) {
c9f21778 Christian Ehringfeld
auto ptr = this->convert(maps.at(var), classname, refresh, resolveRelations);
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list.append(ptr);
this->cache.insert(ptr);
}
return list;
}