|
/*
|
|
* 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/>.
|
|
*/
|
|
|
|
#include <QVariantList>
|
|
#include <QHash>
|
|
#include <QDir>
|
|
#include "entitymanager.h"
|
|
#include "enums/databasetype.h"
|
|
#include "databasemigration.h"
|
|
#include "validators/validatorfactory.h"
|
|
#include "validators/validator.h"
|
|
#include "validators/validatorrule.h"
|
|
#include "entityinspector.h"
|
|
|
|
using namespace CuteEntityManager;
|
|
|
|
QStringList EntityManager::connectionNames = QStringList();
|
|
|
|
QHash<QString, EntityManager *> EntityManager::instances =
|
|
QHash<QString, EntityManager *>();
|
|
|
|
QStringList EntityManager::getConnectionNames() {
|
|
return EntityManager::connectionNames;
|
|
}
|
|
|
|
EntityManager::EntityManager(QSqlDatabase database, bool logQueries,
|
|
const bool inspectEntities,
|
|
MsgType logActions) : QObject() {
|
|
auto db = new Database(database, true, logQueries, logActions);
|
|
this->db = QSharedPointer<Database>(db);
|
|
this->init(inspectEntities, logActions);
|
|
}
|
|
|
|
void EntityManager::init(bool inspect, const MsgType msgType) {
|
|
EntityInstanceFactory::registerClass<DatabaseMigration>();
|
|
auto schema = Database::getSchema(Database::getDatabaseType(
|
|
this->db->getDatabase().driverName()), this->db);
|
|
this->schema = QSharedPointer<Schema>(schema);
|
|
this->schema->setTables(this->schema->getTableSchemas());
|
|
this->queryInterpreter = QSharedPointer<QueryInterpreter>(new QueryInterpreter(
|
|
this->schema->getQueryBuilder()));
|
|
this->appendToInstanceList();
|
|
if (inspect) {
|
|
EntityInspector inspector = EntityInspector(msgType);
|
|
inspector.checkRegisteredEntities();
|
|
}
|
|
QString loggerFile = this->objectName() + ".log";
|
|
loggerFile.replace("[", "");
|
|
loggerFile.replace("]", "");
|
|
this->logger = QSharedPointer<Logger>(new Logger(QDir::currentPath() + "/" +
|
|
loggerFile, msgType));
|
|
}
|
|
|
|
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() {
|
|
auto db = new Database(databaseType, this->createConnection(), hostname,
|
|
databasename, username,
|
|
password,
|
|
port.toInt(), true, logQueries, databaseOptions, logActions);
|
|
this->db = QSharedPointer<Database>(db);
|
|
this->init(inspectEntities, logActions);
|
|
}
|
|
|
|
EntityManager::~EntityManager() {
|
|
EntityManager::removeConnectionName(this->db->getConnectionName());
|
|
EntityManager::instances.remove(this->objectName());
|
|
}
|
|
|
|
|
|
QSharedPointer<QueryBuilder> EntityManager::getQueryBuilder() const {
|
|
return this->schema->getQueryBuilder();
|
|
}
|
|
|
|
bool EntityManager::saveObject(QSharedPointer<Entity> &entity,
|
|
QList<Entity *> &mergedObjects, const bool persistRelations,
|
|
const bool ignoreHasChanged, const bool validate,
|
|
const bool relationsIgnoreHasChanged) {
|
|
bool merged = mergedObjects.contains(entity.data());
|
|
if (!merged && (ignoreHasChanged || this->hasChanged(entity))) {
|
|
if (entity->getProperty(entity->getPrimaryKey()).toLongLong() > -1) {
|
|
return this->mergeObject(entity, mergedObjects, persistRelations, validate,
|
|
relationsIgnoreHasChanged);
|
|
} else {
|
|
return this->createObject(entity, mergedObjects, persistRelations, false,
|
|
validate, relationsIgnoreHasChanged);
|
|
}
|
|
}
|
|
return merged ? true : false;
|
|
}
|
|
|
|
bool EntityManager::mergeObject(QSharedPointer<Entity> &entity,
|
|
QList<Entity *> &mergedObjects, bool withRelations, const bool validate,
|
|
const bool relationsIgnoreHasChanged) {
|
|
bool ok = true;
|
|
if (!mergedObjects.contains(entity.data())) {
|
|
mergedObjects.append(entity.data());
|
|
ok = false;
|
|
if (entity->getId() > -1 && (!validate || this->validate(entity))) {
|
|
if (withRelations) {
|
|
this->savePrePersistedRelations(entity, mergedObjects,
|
|
relationsIgnoreHasChanged);
|
|
}
|
|
this->db->startTransaction();
|
|
QList<QSqlQuery> q = this->schema->getQueryBuilder()->merge(
|
|
entity);
|
|
ok = this->db->exec(q);
|
|
|
|
if (!ok || !this->db->commitTransaction()) {
|
|
this->db->rollbackTransaction();
|
|
ok = false;
|
|
} else if (ok && withRelations) {
|
|
this->savePostPersistedRelations(entity, mergedObjects,
|
|
relationsIgnoreHasChanged);
|
|
}
|
|
}
|
|
}
|
|
return ok;
|
|
}
|
|
|
|
bool EntityManager::createObject(QSharedPointer<Entity> &entity,
|
|
QList<Entity *> &mergedObjects, const bool persistRelations,
|
|
const bool checkDuplicate, const bool validate,
|
|
const bool relationsIgnoreHasChanged) {
|
|
bool rc = true;
|
|
if (!mergedObjects.contains(entity.data())) {
|
|
mergedObjects.append(entity.data());
|
|
rc = false;
|
|
if (this->checkTable(entity) && (!validate || this->validate(entity))
|
|
&& !(checkDuplicate && this->count(entity) > 0)) {
|
|
if (persistRelations) {
|
|
this->savePrePersistedRelations(entity, mergedObjects,
|
|
relationsIgnoreHasChanged);
|
|
}
|
|
this->db->startTransaction();
|
|
QList<QSqlQuery> q = this->schema->getQueryBuilder()->create(
|
|
entity);
|
|
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) {
|
|
this->logger->logMsg("class is erroneous:" + EntityHelper::getClassName(
|
|
entity.data()), MsgType::WARNING);
|
|
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) {
|
|
this->savePostPersistedRelations(entity, mergedObjects,
|
|
relationsIgnoreHasChanged, true);
|
|
}
|
|
rc = true;
|
|
}
|
|
}
|
|
entity->idChanged();
|
|
}
|
|
return rc;
|
|
}
|
|
|
|
|
|
bool EntityManager::merge(QSharedPointer<Entity> &entity, bool withRelations,
|
|
const bool validate, const bool relationsIgnoreHasChanged) {
|
|
auto merged = QList<Entity *>();
|
|
return this->mergeObject(entity, merged, withRelations, validate,
|
|
relationsIgnoreHasChanged);
|
|
}
|
|
|
|
bool EntityManager::create(QSharedPointer<Entity> &entity,
|
|
const bool persistRelations, const bool checkDuplicate, const bool validate,
|
|
const bool relationsIgnoreHasChanged) {
|
|
auto merged = QList<Entity *>();
|
|
return this->createObject(entity, merged, persistRelations,
|
|
checkDuplicate, validate, relationsIgnoreHasChanged);
|
|
}
|
|
|
|
bool EntityManager::create(QList<QSharedPointer<Entity> > &entities,
|
|
const bool persistRelations, const bool validate,
|
|
const bool relationsIgnoreHasChanged, const bool checkDuplicate) {
|
|
bool ok = true;
|
|
auto merged = QList<Entity *>();
|
|
foreach (QSharedPointer<Entity> ent, entities) {
|
|
ok = this->createObject(ent, merged, persistRelations,
|
|
checkDuplicate, validate, relationsIgnoreHasChanged);
|
|
if (!ok) {
|
|
break;
|
|
this->logger->logMsg("Object " + QString::number(ent->getId()) + " of class " +
|
|
EntityHelper::getClassName(ent.data()) + " couldn't created!",
|
|
MsgType::WARNING);
|
|
}
|
|
}
|
|
return ok;
|
|
}
|
|
|
|
bool EntityManager::save(QSharedPointer<Entity> &entity,
|
|
const bool persistRelations, const bool ignoreHasChanged, const bool validate,
|
|
const bool relationsIgnoreHasChanged) {
|
|
auto merged = QList<Entity *>();
|
|
return this->saveObject(entity, merged, persistRelations,
|
|
ignoreHasChanged, validate, relationsIgnoreHasChanged);
|
|
}
|
|
|
|
bool EntityManager::save(QList<QSharedPointer<Entity> > &entities,
|
|
const bool persistRelations, const bool ignoreHasChanged, const bool validate,
|
|
const bool relationsIgnoreHasChanged) {
|
|
bool ok = true;
|
|
auto merged = QList<Entity *>();
|
|
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;
|
|
}
|
|
|
|
bool EntityManager::startup(QString version, QStringList toInitialize,
|
|
bool createIndices) {
|
|
QSharedPointer<Entity> dbm = QSharedPointer<DatabaseMigration>
|
|
(new DatabaseMigration());
|
|
QHash<QString, QVariant> map = QHash<QString, QVariant>();
|
|
bool ok = true;
|
|
map.insert("version", version);
|
|
if (!this->schema->getTableNames().contains(dbm->getTablename())) {
|
|
this->createTable(dbm, true);
|
|
}
|
|
if (this->findAllByAttributes(map, dbm->getTablename()).isEmpty()) {
|
|
QList<QSharedPointer<Entity>> entities = QList<QSharedPointer<Entity>>();
|
|
for (int var = 0; var < toInitialize.size(); ++var) {
|
|
if (ok) {
|
|
QString c = toInitialize.at(var);
|
|
auto entity = QSharedPointer<Entity>
|
|
(EntityInstanceFactory::createInstance(c));
|
|
ok = this->createTable(entity, false);
|
|
entities.append(entity);
|
|
} else {
|
|
this->logger->logMsg("startup of version " + version + " failed",
|
|
MsgType::CRITICAL);
|
|
this->logger->logMsg( "erroneous entity:" + (var == 0 ?
|
|
"null, this should not happen!" : toInitialize.at(var - 1)), MsgType::CRITICAL);
|
|
break;
|
|
}
|
|
}
|
|
if (ok) {
|
|
for (int i = 0; i < entities.size(); ++i) {
|
|
ok = this->schema->getQueryBuilder()->createRelationTables(entities.at(i));
|
|
if (!ok) {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if (ok && createIndices) {
|
|
for (int i = 0; i < entities.size(); ++i) {
|
|
ok = this->schema->getQueryBuilder()->createIndices(entities.at(i));
|
|
if (!ok) {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if (ok) {
|
|
auto dbmPtr = dbm.objectCast<DatabaseMigration>();
|
|
dbmPtr->setVersion(version);
|
|
dbmPtr->setApplyTime(QDateTime::currentDateTime());
|
|
this->create(dbm);
|
|
}
|
|
this->schema->setTables(this->schema->getTableSchemas());
|
|
}
|
|
return ok;
|
|
}
|
|
|
|
bool EntityManager::executeQuery(const QString &query) {
|
|
return this->db->exec(query);
|
|
}
|
|
|
|
bool EntityManager::checkTable(const QSharedPointer<Entity> &entity) {
|
|
bool rc = true;
|
|
if (!this->schema->containsTable(entity->getTablename())
|
|
&& this->schema->getQueryBuilder()->createTable(entity)) {
|
|
this->schema->getTableSchema(entity->getTablename(), true);
|
|
rc = this->schema->getTables().contains(entity->getTablename());
|
|
}
|
|
return rc;
|
|
}
|
|
|
|
QSharedPointer<Database> EntityManager::getDb() const {
|
|
return db;
|
|
}
|
|
|
|
void EntityManager::setDb(const QSharedPointer<Database> &value) {
|
|
db = value;
|
|
}
|
|
|
|
QSharedPointer<Schema> EntityManager::getSchema() const {
|
|
return schema;
|
|
}
|
|
|
|
void EntityManager::refresh(QSharedPointer<Entity> &entity) {
|
|
entity = this->findById(entity->getProperty(
|
|
entity->getPrimaryKey()).toLongLong(),
|
|
EntityHelper::getClassName(entity.data()));
|
|
}
|
|
|
|
void EntityManager::setSchema(const QSharedPointer<Schema> &value) {
|
|
schema = value;
|
|
}
|
|
|
|
QList<QHash<QString, QVariant> > EntityManager::selectByQuery(Query &query) {
|
|
QSqlQuery q = this->queryInterpreter->build(query);
|
|
return this->convertQueryResult(q);
|
|
}
|
|
|
|
QList<QHash<QString, QVariant> > EntityManager::selectBySql(
|
|
const QString &sql) {
|
|
QSqlQuery q = this->db->select(sql);
|
|
return this->convertQueryResult(q);
|
|
}
|
|
|
|
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(
|
|
rule.getValidatorName());
|
|
if (validator) {
|
|
for (int var = 0; var < rule.getAttributes().size(); ++var) {
|
|
QString attr = rule.getAttributes().at(var);
|
|
QList<ErrorMsg> msgs = validator->validate(entity->getProperty(attr),
|
|
rule.getParams());
|
|
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);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
entity->setErrors(list);
|
|
return !entity->hasErrors();
|
|
}
|
|
|
|
bool EntityManager::hasChanged(QSharedPointer<Entity> &entity) {
|
|
bool changed = true;
|
|
if (entity->getId() > -1) {
|
|
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 =
|
|
this->schema->getQueryBuilder()->columnNameIDAppendix();
|
|
QString relKey = i.key();
|
|
QVariant v = entity->getProperty(relKey.remove(relKey.size() - appendix.size(),
|
|
appendix.size()));
|
|
if (!v.isNull()) {
|
|
auto entity = EntityInstanceFactory::castQVariant(v);
|
|
if (entity->getProperty(entity->getPrimaryKey()) != i.value()) {
|
|
changed = true;
|
|
break;
|
|
}
|
|
}
|
|
} else {
|
|
QVariant property = entity->getProperty(i.key());
|
|
changed = i.value() != property && !(i.value().isNull() && property.isNull());
|
|
if (changed) {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return changed;
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
QSharedPointer<Entity> EntityManager::findById(const qint64 &id,
|
|
QSharedPointer<Entity> &e,
|
|
const bool refresh) {
|
|
QSharedPointer<Entity> r;
|
|
if (!e.isNull() && (refresh
|
|
|| !(r = this->cache.get(id, EntityHelper::getClassname(e.data()))))) {
|
|
e->setId(id);
|
|
auto map = this->findByPk(id, e);
|
|
r = this->convert(map, EntityHelper::getClassname(e.data()), refresh);
|
|
}
|
|
return r;
|
|
}
|
|
|
|
QSharedPointer<Entity> EntityManager::findById(const qint64 &id,
|
|
const QString &classname) {
|
|
QSharedPointer<Entity> e = QSharedPointer<Entity>
|
|
(EntityInstanceFactory::createInstance(classname));
|
|
return this->findById(id, e);
|
|
}
|
|
|
|
void EntityManager::manyToOne(const QSharedPointer<Entity> &entity,
|
|
const QVariant &id,
|
|
const QMetaProperty &property, const bool refresh) {
|
|
qint64 convertedId = -1;
|
|
bool ok = false;
|
|
if ((convertedId = id.toLongLong(&ok)) && ok && convertedId > -1) {
|
|
QString className = EntityInstanceFactory::extractEntityType(
|
|
property.typeName());
|
|
QSharedPointer<Entity> ptr = QSharedPointer<Entity>();
|
|
if (refresh || !(this->cache.contains(convertedId, className)
|
|
&& (ptr = this->cache.get(convertedId, className)) && ptr)) {
|
|
ptr = this->findById(convertedId, className);
|
|
}
|
|
EntityHelper::setProperty(entity, ptr, property);
|
|
}
|
|
}
|
|
|
|
void EntityManager::oneToMany(const QSharedPointer<Entity> &entity,
|
|
const Relation &r,
|
|
const QMetaProperty &property, const bool refresh) {
|
|
if (entity.data() && entity->getId() > -1) {
|
|
auto e = QSharedPointer<Entity>(EntityInstanceFactory::createInstance(
|
|
EntityInstanceFactory::extractEntityType(
|
|
property.typeName())));
|
|
if (e) {
|
|
QSqlQuery q = this->schema->getQueryBuilder()->oneToMany(e->getTablename(),
|
|
this->schema->getQueryBuilder()->generateColumnNameID(r.getMappedBy()),
|
|
entity->getId());
|
|
auto listMap = this->convertQueryResult(q);
|
|
auto entities = this->convert(listMap, EntityHelper::getClassname(e.data()),
|
|
refresh);
|
|
EntityHelper::setListProperty(entity, entities, property);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
void EntityManager::oneToOne(const QSharedPointer<Entity> &entity,
|
|
const Relation &r, const QMetaProperty &property, const bool refresh,
|
|
const QVariant &id) {
|
|
if (r.getMappedBy().isEmpty()) {
|
|
this->manyToOne(entity, id, property);
|
|
} else {
|
|
auto e = QSharedPointer<Entity>(EntityInstanceFactory::createInstance(
|
|
EntityInstanceFactory::extractEntityType(property.typeName())));
|
|
if (e) {
|
|
QSqlQuery q = this->schema->getQueryBuilder()->oneToMany(
|
|
e->getTablename(),
|
|
this->schema->getQueryBuilder()->generateColumnNameID(
|
|
r.getMappedBy()),
|
|
entity->getProperty(entity->getPrimaryKey()).toLongLong(), 1);
|
|
auto listMap = this->convertQueryResult(q);
|
|
auto entities = this->convert(listMap, EntityHelper::getClassname(e.data()),
|
|
refresh);
|
|
if (!entities.isEmpty()) {
|
|
QSharedPointer<Entity> ptr = entities.at(0);
|
|
EntityHelper::setProperty(entity, ptr, property);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void EntityManager::savePrePersistedRelations(const QSharedPointer<Entity>
|
|
&entity, QList<Entity *> &mergedObjects, bool ignoreHasChanged) {
|
|
auto relations = EntityHelper::getRelationProperties(entity.data());
|
|
auto iterator = relations.constBegin();
|
|
while (iterator != relations.constEnd()) {
|
|
const Relation r = iterator.key();
|
|
auto var = iterator.value().read(entity.data());
|
|
if (!var.isNull()) {
|
|
if (r.getType() == RelationType::MANY_TO_ONE) {
|
|
auto e = EntityInstanceFactory::castQVariant(var);
|
|
if (this->shouldBeSaved(e, r)) {
|
|
this->saveObject(e, mergedObjects, true, ignoreHasChanged);
|
|
auto fkProp = EntityHelper::mappedProperty(r, e);
|
|
if (fkProp.isValid()) {
|
|
EntityHelper::addEntityToListProperty(e, entity, fkProp);
|
|
}
|
|
}
|
|
} else if (r.getType() == RelationType::ONE_TO_ONE
|
|
&& r.getMappedBy().isEmpty()) {
|
|
auto e = EntityInstanceFactory::castQVariant(var);
|
|
this->saveObject(e, mergedObjects, true, ignoreHasChanged);
|
|
auto prop = EntityHelper::mappedProperty(r, e);
|
|
EntityHelper::setProperty(e, entity, prop);
|
|
}
|
|
}
|
|
++iterator;
|
|
}
|
|
}
|
|
|
|
void EntityManager::savePostPersistedRelations(const QSharedPointer<Entity>
|
|
&entity, QList<Entity *> &mergedObjects, bool ignoreHasChanged, bool newItem) {
|
|
auto relations = EntityHelper::getRelationProperties(entity.data());
|
|
for (auto i = relations.constBegin(); i != relations.constEnd(); ++i) {
|
|
const Relation r = i.key();
|
|
auto var = i.value().read(entity.data());
|
|
if (!var.isNull()) {
|
|
if (r.getType() == RelationType::MANY_TO_MANY) {
|
|
this->persistManyToMany(entity, r, var, mergedObjects, ignoreHasChanged,
|
|
newItem);
|
|
} else if (r.getType() == RelationType::ONE_TO_MANY) {
|
|
QList<QSharedPointer<Entity>> list = EntityInstanceFactory::castQVariantList(
|
|
var);
|
|
if (!list.isEmpty()) {
|
|
auto fkProp = EntityHelper::mappedProperty(r, list.at(0));
|
|
for (int var = 0; var < list.size(); ++var) {
|
|
auto e = list.at(var);
|
|
if (this->shouldBeSaved(e, r)) {
|
|
EntityHelper::setProperty(e, entity, fkProp);
|
|
this->saveObject(e, mergedObjects, true, ignoreHasChanged);
|
|
}
|
|
}
|
|
}
|
|
} else if (r.getType() == RelationType::ONE_TO_ONE
|
|
&& !r.getMappedBy().isEmpty()) {
|
|
auto e = EntityInstanceFactory::castQVariant(var);
|
|
auto fkProp = EntityHelper::mappedProperty(r, e);
|
|
EntityHelper::setProperty(e, entity, fkProp);
|
|
this->saveObject(e, mergedObjects, true, ignoreHasChanged);
|
|
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void EntityManager::persistMappedByRelation(const QList<QSharedPointer<Entity> >
|
|
&list, QSqlQuery &q, const QSharedPointer<Entity> &entity,
|
|
const QSharedPointer<Entity> &ptr, const Relation &r,
|
|
const QString &tblName, QList<Entity *> &mergedObjects) {
|
|
q.clear();
|
|
QList<QSharedPointer<Entity>> saved =
|
|
r.getCascadeType().contains(CascadeType::ALL) ||
|
|
r.getCascadeType().contains(CascadeType::MERGE) ||
|
|
r.getCascadeType().contains(CascadeType::PERSIST) ?
|
|
this->saveRelationEntities(list, r, mergedObjects) : list;
|
|
this->db->startTransaction();
|
|
auto builder = this->schema->getQueryBuilder();
|
|
q = builder->manyToManyInsert(tblName,
|
|
builder->generateManyToManyColumnName(entity),
|
|
builder->generateManyToManyColumnName(ptr));
|
|
q.bindValue(0, entity->getProperty(entity->getPrimaryKey()));
|
|
auto prop = EntityHelper::mappedProperty(r, ptr);
|
|
QSharedPointer<Entity> item;
|
|
for (int var = 0; var < saved.size(); ++var) {
|
|
item = list.at(var);
|
|
if (item->getProperty(item->getPrimaryKey()).toLongLong() > -1) {
|
|
q.bindValue(1, item->getProperty(ptr->getPrimaryKey()));
|
|
bool ok = this->db->exec(q);
|
|
if (ok) {
|
|
EntityHelper::addEntityToListProperty(item, entity, prop);
|
|
}
|
|
}
|
|
}
|
|
if (!this->db->commitTransaction()) {
|
|
this->db->rollbackTransaction();
|
|
}
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
QHash<QString, EntityManager *> EntityManager::getInstances() {
|
|
return instances;
|
|
}
|
|
|
|
EntityManager *EntityManager::getDefaultInstance() {
|
|
for (auto i = EntityManager::instances.constBegin();
|
|
i != EntityManager::instances.constEnd(); ++i) {
|
|
return i.value();
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
EntityManager *EntityManager::getInstance(QString name) {
|
|
if (EntityManager::instances.contains(name)) {
|
|
return EntityManager::instances.value(name);
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
|
|
bool EntityManager::shouldBeSaved(QSharedPointer<Entity> &entity,
|
|
const Relation &r) {
|
|
return entity && (r.getCascadeType().contains(CascadeType::ALL)
|
|
|| (entity->getProperty(entity->getPrimaryKey()) > -1
|
|
&& r.getCascadeType().contains(CascadeType::MERGE))
|
|
|| (entity->getProperty(entity->getPrimaryKey()) <= -1
|
|
&& r.getCascadeType().contains(CascadeType::PERSIST)));
|
|
}
|
|
|
|
void EntityManager::removeRelations(const QSharedPointer<Entity> &entity) {
|
|
auto props = EntityHelper::getRelationProperties(entity.data());
|
|
for (auto i = props.constBegin(); i != props.constEnd(); ++i) {
|
|
const Relation r = i.key();
|
|
auto property = i.value();
|
|
auto var = property.read(entity.data());
|
|
if (r.getType() == RelationType::MANY_TO_MANY) {
|
|
this->removeManyToManyEntityList(entity, r, var);
|
|
} else if (r.getType() == RelationType::ONE_TO_MANY) {
|
|
if (r.getCascadeType().contains(CascadeType::REMOVE)
|
|
|| r.getCascadeType().contains(CascadeType::ALL)) {
|
|
this->removeEntityList(var);
|
|
} else {
|
|
this->setNullOneToManyRelation(var, r);
|
|
}
|
|
} else if (r.getType() == RelationType::MANY_TO_ONE
|
|
|| r.getType() == RelationType::MANY_TO_ONE) {
|
|
this->setNullEntityPropertyRelation(var, r);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
void EntityManager::setNullOneToManyRelation(QVariant &var, const Relation &r) {
|
|
if (!r.getMappedBy().isEmpty() && !var.isNull()
|
|
&& var.canConvert<QVariantList>()) {
|
|
auto list = EntityInstanceFactory::castQVariantList(var);
|
|
if (!list.isEmpty()) {
|
|
auto metas = EntityHelper::getMetaProperties(list.at(0).data());
|
|
if (metas.contains(r.getMappedBy())) {
|
|
for (int var = 0; var < list.size(); ++var) {
|
|
auto entity = list.at(var);
|
|
EntityHelper::setProperty(entity, QSharedPointer<Entity>(),
|
|
metas.value(r.getMappedBy()));
|
|
this->save(entity);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void EntityManager::setNullEntityPropertyRelation(QVariant &var,
|
|
const Relation &r) {
|
|
if (r.getCascadeType().contains(CascadeType::REMOVE)
|
|
|| r.getCascadeType().contains(CascadeType::ALL)) {
|
|
this->removeEntity(var);
|
|
} else if (!r.getMappedBy().isEmpty() && !var.isNull()) {
|
|
auto e = EntityInstanceFactory::castQVariant(var);
|
|
auto metas = EntityHelper::getMetaProperties(e.data());
|
|
if (metas.contains(r.getMappedBy())) {
|
|
EntityHelper::setProperty(e, QSharedPointer<Entity>(),
|
|
metas.value(r.getMappedBy()));
|
|
this->save(e);
|
|
}
|
|
}
|
|
}
|
|
|
|
void EntityManager::removeEntity(QVariant &var) {
|
|
if (!var.isNull()) {
|
|
auto e = EntityInstanceFactory::castQVariant(var);
|
|
this->remove(e);
|
|
}
|
|
}
|
|
|
|
void EntityManager::removeEntityList(QVariant &var) {
|
|
if (var.canConvert<QVariantList>()) {
|
|
auto list = EntityInstanceFactory::castQVariantList(var);
|
|
for (int var = 0; var < list.size(); ++var) {
|
|
auto entity = list.at(var);
|
|
this->remove(entity);
|
|
}
|
|
}
|
|
}
|
|
|
|
void EntityManager::removeManyToManyEntityList(const QSharedPointer<Entity> &e,
|
|
const Relation &r,
|
|
QVariant &var) {
|
|
if (!var.isNull() && var.canConvert<QVariantList>()) {
|
|
auto list = EntityInstanceFactory::castQVariantList(var);
|
|
if (!list.isEmpty()) {
|
|
auto builder = this->schema->getQueryBuilder();
|
|
auto ptr = list.at(0);
|
|
QString tblName = builder->generateManyToManyTableName(e, ptr, r);
|
|
if (this->schema->getTables().contains(tblName)) {
|
|
QSqlQuery q = builder->manyToManyDelete(
|
|
tblName, builder->generateManyToManyColumnName(e),
|
|
e->getProperty(e->getPrimaryKey()).toLongLong());
|
|
if (this->db->exec(q)) {
|
|
bool refresh = r.getCascadeType().contains(CascadeType::REFRESH)
|
|
|| r.getCascadeType().contains(CascadeType::ALL);
|
|
bool remove = r.getCascadeType().contains(CascadeType::REMOVE)
|
|
|| r.getCascadeType().contains(CascadeType::ALL);
|
|
auto fkProp = EntityHelper::mappedProperty(r, ptr);
|
|
for (int var = 0; var < list.size(); ++var) {
|
|
auto entity = list.at(var);
|
|
if (remove) {
|
|
this->remove(entity);
|
|
} else if (refresh) {
|
|
EntityHelper::removeEntityFromListProperty(entity, e, fkProp);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
QList<QSharedPointer<Entity>> EntityManager::saveRelationEntities(
|
|
const QList<QSharedPointer<Entity> > &list, const Relation &r,
|
|
QList<Entity *> &mergedObjects) {
|
|
QList<QSharedPointer<Entity>> saved = QList<QSharedPointer<Entity>>();
|
|
QSharedPointer<Entity> ptr;
|
|
for (int var = 0; var < list.size(); ++var) {
|
|
ptr = list.at(var);
|
|
if ((this->shouldBeSaved(ptr, r) && this->saveObject(ptr, mergedObjects))
|
|
|| ptr->getProperty(ptr->getPrimaryKey()).toLongLong() > -1) {
|
|
saved.append(ptr);
|
|
}
|
|
}
|
|
return saved;
|
|
}
|
|
|
|
void EntityManager::persistManyToMany(const QSharedPointer<Entity> &entity,
|
|
const Relation &r, QVariant &property, QList<Entity *> &mergedObjects,
|
|
const bool ignoreHasChanged, const bool newItem) {
|
|
auto list = property.value<QList<QVariant>>();
|
|
if (!list.isEmpty() && !(list.at(0).isNull())) {
|
|
auto var = list.at(0);
|
|
auto ptr = EntityInstanceFactory::castQVariant(var);
|
|
auto builder = this->schema->getQueryBuilder();
|
|
QString tblName = builder->generateManyToManyTableName(entity, ptr, r);
|
|
if (this->schema->containsTable(tblName)) {
|
|
bool ok = newItem;
|
|
QSqlQuery q;
|
|
if (!newItem) {
|
|
q = builder->manyToManyDelete(
|
|
tblName, builder->generateManyToManyColumnName(entity),
|
|
entity->getProperty(entity->getPrimaryKey()).toLongLong());
|
|
ok = this->db->exec(q);
|
|
} else {
|
|
q = builder->getQuery();
|
|
}
|
|
if (ok) {
|
|
auto nList = EntityInstanceFactory::castQVariantList(property);
|
|
this->persistMappedByRelation(nList, q, entity, ptr, r, tblName, mergedObjects);
|
|
}
|
|
} else {
|
|
this->missingManyToManyTable(tblName, entity, r);
|
|
}
|
|
}
|
|
}
|
|
|
|
void EntityManager::missingManyToManyTable(const QString &tblName,
|
|
const QSharedPointer<Entity> &e, const Relation &r) {
|
|
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);
|
|
}
|
|
|
|
void EntityManager::manyToMany(const QSharedPointer<Entity> &entity,
|
|
const QMetaProperty &property, const Relation &relation, const bool refresh) {
|
|
QSharedPointer<Entity> secEntityPtr = QSharedPointer<Entity>
|
|
(EntityInstanceFactory::createInstance(EntityInstanceFactory::extractEntityType(
|
|
QString(property.typeName()))));
|
|
auto builder = this->schema->getQueryBuilder();
|
|
if (secEntityPtr) {
|
|
QString tblName = builder->generateManyToManyTableName(entity, secEntityPtr,
|
|
relation);
|
|
if (this->schema->getTables().contains(tblName)) {
|
|
QSqlQuery q = builder->manyToMany(tblName,
|
|
builder->generateManyToManyColumnName(entity),
|
|
entity->getProperty(entity->getPrimaryKey()).toLongLong());
|
|
auto listMap = this->convertQueryResult(q);
|
|
QSharedPointer<Entity> e = QSharedPointer<Entity>();
|
|
for (int var = 0; var < listMap.size(); ++var) {
|
|
auto id = listMap.at(var).value(builder->generateManyToManyColumnName(
|
|
secEntityPtr));
|
|
if (!refresh
|
|
&& this->cache.contains(id.toLongLong(),
|
|
EntityHelper::getClassname(secEntityPtr.data()))) {
|
|
e = this->cache.get(id.toLongLong(),
|
|
EntityHelper::getClassname(secEntityPtr.data()));
|
|
} else {
|
|
e = this->findById(id.toLongLong(),
|
|
EntityHelper::getClassname(secEntityPtr.data()));
|
|
}
|
|
if (e) {
|
|
EntityHelper::addEntityToListProperty(entity, e, property);
|
|
}
|
|
}
|
|
} else {
|
|
this->missingManyToManyTable(tblName, entity, relation);
|
|
}
|
|
}
|
|
}
|
|
|
|
QList<QSharedPointer<Entity> > EntityManager::findEntityByAttributes(
|
|
const QSharedPointer<Entity>
|
|
&entity,
|
|
bool ignoreID) {
|
|
auto maps = this->findAllByAttributes(entity, ignoreID);
|
|
return this->convert(maps, EntityHelper::getClassname(entity.data()));
|
|
}
|
|
|
|
QHash<QString, QVariant> EntityManager::findByPk(qint64 id,
|
|
const QSharedPointer<Entity>
|
|
&e) {
|
|
QSqlQuery q = this->schema->getQueryBuilder()->find(id, e, 0,
|
|
e->getPrimaryKey());
|
|
auto listMap = this->convertQueryResult(q);
|
|
if (!listMap.isEmpty()) {
|
|
return listMap.at(0);
|
|
}
|
|
return QHash<QString, QVariant>();
|
|
}
|
|
|
|
|
|
QList<QHash<QString, QVariant> > EntityManager::findAllByAttributes(
|
|
const QSharedPointer<Entity>
|
|
&entity,
|
|
bool ignoreID) {
|
|
QSqlQuery q = this->schema->getQueryBuilder()->findByAttributes(
|
|
entity, ignoreID);
|
|
return this->convertQueryResult(q);
|
|
}
|
|
|
|
QList<QHash <QString, QVariant> > EntityManager::findAllByAttributes(
|
|
const QHash<QString, QVariant> &m, const QString &tblname, bool ignoreID) {
|
|
QSqlQuery q = this->schema->getQueryBuilder()->findByAttributes(m,
|
|
tblname, ignoreID);
|
|
return this->convertQueryResult(q);
|
|
}
|
|
|
|
QList<QHash<QString, QVariant> > EntityManager::convertQueryResult(
|
|
QSqlQuery &q) {
|
|
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;
|
|
}
|
|
|
|
QList<QHash <QString, QVariant> > EntityManager::findAll(
|
|
const QSharedPointer<Entity> &e) {
|
|
QSqlQuery q = this->schema->getQueryBuilder()->findAll(e);
|
|
return this->convertQueryResult(q);
|
|
}
|
|
|
|
void EntityManager::resolveRelations(const QSharedPointer<Entity> &entity,
|
|
const QHash<QString, QVariant> &map, const bool refresh) {
|
|
auto props = EntityHelper::getRelationProperties(entity.data());
|
|
auto iterator = props.constBegin();
|
|
while (iterator != props.constEnd()) {
|
|
const Relation r = iterator.key();
|
|
const QMetaProperty property = iterator.value();
|
|
QString colName = this->schema->getQueryBuilder()->generateColumnNameID(
|
|
r.getPropertyName());
|
|
switch (r.getType()) {
|
|
case RelationType::MANY_TO_ONE:
|
|
if (map.contains(colName)) {
|
|
this->manyToOne(entity, map.value(colName), property, refresh);
|
|
}
|
|
break;
|
|
case RelationType::MANY_TO_MANY:
|
|
this->manyToMany(entity, property, r, refresh);
|
|
break;
|
|
case RelationType::ONE_TO_MANY:
|
|
this->oneToMany(entity, r, property, refresh);
|
|
break;
|
|
case RelationType::ONE_TO_ONE:
|
|
this->oneToOne(entity, r, property, refresh, map.value(colName));
|
|
break;
|
|
}
|
|
++iterator;
|
|
}
|
|
}
|
|
|
|
qint64 EntityManager::findId(QSharedPointer<Entity> &entity) {
|
|
qint64 r = -1;
|
|
QSqlQuery q = this->schema->getQueryBuilder()->findId(entity);
|
|
this->db->select(q);
|
|
if (q.next()) {
|
|
r = q.value(0).toLongLong();
|
|
}
|
|
return r;
|
|
}
|
|
|
|
bool EntityManager::remove(QSharedPointer<Entity> &entity) {
|
|
bool rc = false;
|
|
this->db->startTransaction();
|
|
this->removeRelations(entity);
|
|
auto queries = this->schema->getQueryBuilder()->remove(entity);
|
|
bool ok = this->db->exec(queries);
|
|
if (ok && this->db->commitTransaction()) {
|
|
this->cache.remove(entity);
|
|
entity.clear();
|
|
rc = true;
|
|
} else {
|
|
this->db->rollbackTransaction();
|
|
}
|
|
return rc;
|
|
}
|
|
|
|
bool EntityManager::removeAll(QString tblname) {
|
|
return this->schema->getQueryBuilder()->removeAll(tblname).exec();
|
|
}
|
|
|
|
bool EntityManager::createTable(const QSharedPointer<Entity> &entity,
|
|
bool createRelationTables) {
|
|
return this->schema->getQueryBuilder()->createTable(entity,
|
|
createRelationTables);
|
|
}
|
|
|
|
bool EntityManager::createTable(QString className, bool createRelationTables) {
|
|
QSharedPointer<Entity> e = QSharedPointer<Entity>
|
|
(EntityInstanceFactory::createInstance(className));
|
|
return this->schema->getQueryBuilder()->createTable(e, createRelationTables);
|
|
}
|
|
|
|
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(
|
|
entity.data()), entity);
|
|
|
|
} else {
|
|
values = EntityHelper::getEntityAttributes(
|
|
EntityHelper::getNonInheritedMetaProperties(entity.data()), entity);
|
|
}
|
|
//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) {
|
|
qint8 rc = -1;
|
|
QSqlQuery q = this->schema->getQueryBuilder()->count(tableName);
|
|
this->db->select(q);
|
|
if (q.next()) {
|
|
rc = q.value(0).toInt();
|
|
}
|
|
return rc;
|
|
}
|
|
|
|
qint8 EntityManager::count(Query &query) {
|
|
qint8 rc = 0;
|
|
query.appendSelect("COUNT(*)");
|
|
QSqlQuery q = this->queryInterpreter->build(query);
|
|
this->db->select(q);
|
|
if (q.next()) {
|
|
rc = q.value(0).toInt();
|
|
}
|
|
return rc;
|
|
}
|
|
|
|
void EntityManager::setConnectionNames(QStringList list) {
|
|
EntityManager::connectionNames = list;
|
|
}
|
|
|
|
QSharedPointer<Entity> EntityManager::convert(const QHash<QString, QVariant>
|
|
&map,
|
|
const char *classname, const bool refresh, const bool resolveRelations) {
|
|
auto ptr = QSharedPointer<Entity>(EntityInstanceFactory::createInstance(
|
|
classname, map));
|
|
this->cache.insert(ptr);
|
|
if (resolveRelations) {
|
|
this->resolveRelations(ptr, map, refresh);
|
|
}
|
|
return ptr;
|
|
}
|
|
|
|
QList<QSharedPointer<Entity> > EntityManager::convert(
|
|
QList<QHash<QString, QVariant> > maps,
|
|
const char *classname, const bool refresh, const bool resolveRelations) {
|
|
auto list = QList<QSharedPointer<Entity> >();
|
|
for (int var = 0; var < maps.size(); ++var) {
|
|
auto ptr = this->convert(maps.at(var), classname, refresh, resolveRelations);
|
|
list.append(ptr);
|
|
this->cache.insert(ptr);
|
|
}
|
|
return list;
|
|
}
|