Revision c88e17d1
Von Christian Ehringfeld vor mehr als 6 Jahren hinzugefügt
| src/entitymanager.cpp | ||
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#include "validators/validator.h"
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#include "validators/validatorrule.h"
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#include "entityinspector.h"
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#include "relations/hasmany.h"
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#include "relations/hasone.h"
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#include "relations/belongsto.h"
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using namespace CuteEntityManager;
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| ... | ... | |
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QList<QHash<QString, QVariant>> EntityManager::selectByQuery(Query &query) {
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QSqlQuery q = this->queryInterpreter->build(query);
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return this->convertQueryResult(q);
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Resolver r = Resolver(this->db);
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return r.convertQueryResult(q);
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}
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QList<QHash<QString, QVariant>> EntityManager::selectBySql(
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const QString &sql) {
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QSqlQuery q = this->db->select(sql);
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return this->convertQueryResult(q);
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Resolver r = Resolver(this->db);
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return r.convertQueryResult(q);
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}
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bool EntityManager::validate(QSharedPointer<Entity> &entity) {
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| ... | ... | |
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QSharedPointer<Entity> r;
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if (e && (refresh || !(r = this->cache.get(id, EntityHelper::getClassname(e.data()))))) {
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auto map = this->findByPk(id, e);
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r = this->convert(map, EntityHelper::getClassname(e.data()), refresh);
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Converter c = Converter();
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r = c.convert(map, EntityHelper::getClassname(e.data()),this->cache);
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if(refresh) {
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this->resolveRelations(r,map);
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}
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}
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return r;
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}
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| ... | ... | |
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attr->getRelatedTable(),
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attr->getRelatedColumnName(), entity->getId());
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QSqlQuery q = this->queryInterpreter->build(query);
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auto listMap = this->convertQueryResult(q);
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Resolver r = Resolver(this->db);
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auto listMap = r.convertQueryResult(q);
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auto relationalClass = EntityHelper::getClassName(e.data());
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auto entities = this->convert(listMap, relationalClass.toLatin1());
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Converter c = Converter();
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auto entities = c.convert(listMap, relationalClass.toLatin1(),this->cache);
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EntityHelper::setListProperty(entity,entities,attr->getMetaProperty());
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}
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}
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| ... | ... | |
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attr->getRelation().getMappedBy()),
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entity->getProperty(entity->getPrimaryKey()).toLongLong(), 1);
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QSqlQuery q = this->queryInterpreter->build(query);
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auto listMap = this->convertQueryResult(q);
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auto entities = this->convert(listMap, EntityHelper::getClassname(e.data()));
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Resolver r = Resolver(this->db);
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auto listMap = r.convertQueryResult(q);
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Converter c = Converter();
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auto entities = c.convert(listMap, EntityHelper::getClassname(e.data()),this->cache);
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if (!entities.isEmpty()) {
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QSharedPointer<Entity> ptr = entities.at(0);
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EntityHelper::setFoundProperty(entity, ptr, attr->getMetaProperty());
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| ... | ... | |
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const Relation r = i.key();
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QVariant var = i.value().read(entity.data());
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if (r.getType() == RelationType::MANY_TO_MANY) {
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this->persistManyToMany(entity, r, var, mergedObjects, ignoreHasChanged,
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newItem);
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HasMany hm(entity,r,this->schema);
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hm.persist(var,mergedObjects,newItem,this);
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} else if (r.getType() == RelationType::ONE_TO_MANY) {
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QList<QSharedPointer<Entity>> list = EntityInstanceFactory::castQVariantList(
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var);
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| ... | ... | |
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}
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}
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void EntityManager::persistMappedByRelation(const QList<QSharedPointer<Entity>>
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&list, QSqlQuery &q, const QSharedPointer<Entity> &entity,
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const QSharedPointer<Entity> &ptr, const Relation &r,
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const QString &tblName, QList<Entity *> &mergedObjects) {
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q.clear();
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QList<QSharedPointer<Entity>> saved =
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r.getCascadeType().contains(CascadeType::ALL) ||
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r.getCascadeType().contains(CascadeType::MERGE) ||
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r.getCascadeType().contains(CascadeType::PERSIST) ?
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this->saveRelationEntities(list, r, mergedObjects) : list;
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this->db->startTransaction();
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auto builder = this->schema->getQueryBuilder();
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q = builder->manyToManyInsert(tblName,
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builder->generateManyToManyColumnName(entity, r.getPropertyName()),
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builder->generateManyToManyColumnName(ptr, r.getMappedBy()));
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q.bindValue(0, entity->getProperty(entity->getPrimaryKey()));
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auto prop = EntityHelper::mappedProperty(r, ptr);
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QSharedPointer<Entity> item;
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for (int var = 0; var < saved.size(); ++var) {
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item = list.at(var);
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if (item->getProperty(item->getPrimaryKey()).toLongLong() > -1) {
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q.bindValue(1, item->getProperty(ptr->getPrimaryKey()));
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bool ok = this->db->exec(q);
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if (ok) {
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EntityHelper::addEntityToListProperty(item, entity, prop);
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}
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}
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}
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if (!this->db->commitTransaction()) {
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this->db->rollbackTransaction();
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}
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}
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QString EntityManager::generateObjectName() {
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int i = 0;
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QString name = "em[";
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| ... | ... | |
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auto property = i.value();
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auto var = property.read(entity.data());
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if (r.getType() == RelationType::MANY_TO_MANY) {
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this->removeManyToManyEntityList(entity, r, var);
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HasMany hm(entity,r,this->schema);
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hm.removeEntityList(var,this);
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} else if (r.getType() == RelationType::ONE_TO_MANY) {
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if (r.getCascadeType().contains(CascadeType::REMOVE)
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|| r.getCascadeType().contains(CascadeType::ALL)) {
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| ... | ... | |
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}
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}
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void EntityManager::removeManyToManyEntityList(const QSharedPointer<Entity> &e,
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const Relation &r,
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QVariant &var) {
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if (!var.isNull() && var.canConvert<QVariantList>()) {
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auto list = EntityInstanceFactory::castQVariantList(var);
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if (!list.isEmpty()) {
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auto builder = this->schema->getQueryBuilder();
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auto ptr = list.at(0);
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QString tblName = builder->generateManyToManyTableName(e, ptr, r);
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if (this->schema->getTables().contains(tblName)) {
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QSqlQuery q = builder->manyToManyDelete(
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tblName, builder->generateManyToManyColumnName(e, r.getPropertyName()),
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e->getProperty(e->getPrimaryKey()).toLongLong());
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if (this->db->exec(q)) {
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bool refresh = r.getCascadeType().contains(CascadeType::REFRESH)
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|| r.getCascadeType().contains(CascadeType::ALL);
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bool remove = r.getCascadeType().contains(CascadeType::REMOVE)
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|| r.getCascadeType().contains(CascadeType::ALL);
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auto fkProp = EntityHelper::mappedProperty(r, ptr);
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for (int var = 0; var < list.size(); ++var) {
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auto entity = list.at(var);
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if (remove) {
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this->remove(entity);
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} else if (refresh) {
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EntityHelper::removeEntityFromListProperty(entity, e, fkProp);
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}
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}
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}
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}
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}
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}
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}
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QList<QSharedPointer<Entity>> EntityManager::saveRelationEntities(
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const QList<QSharedPointer<Entity>> &list, const Relation &r,
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QList<Entity *> &mergedObjects) {
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| ... | ... | |
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return saved;
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}
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void EntityManager::persistManyToMany(const QSharedPointer<Entity> &entity,
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const Relation &r, QVariant &property, QList<Entity *> &mergedObjects,
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const bool ignoreHasChanged, const bool newItem) {
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auto list = property.value<QList<QVariant>>();
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auto ptr = QSharedPointer<Entity>(EntityInstanceFactory::createInstance(
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EntityInstanceFactory::extractEntityType(QString(property.typeName()))));
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auto builder = this->schema->getQueryBuilder();
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QString tblName = builder->generateManyToManyTableName(entity, ptr, r);
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if (this->schema->containsTable(tblName)) {
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bool ok = newItem;
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QSqlQuery q;
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if (!newItem) {
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/**
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* @todo diff and remove entity from relational object when association is deleted
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*/
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q = builder->manyToManyDelete(
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tblName, builder->generateManyToManyColumnName(entity, r.getPropertyName()),
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entity->getProperty(entity->getPrimaryKey()).toLongLong());
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ok = this->db->exec(q);
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} else {
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q = builder->getQuery();
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}
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if (ok && !list.isEmpty() && list.at(0).data()) {
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auto nList = EntityInstanceFactory::castQVariantList(property);
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this->persistMappedByRelation(nList, q, entity, ptr, r, tblName, mergedObjects);
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}
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} else {
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this->missingManyToManyTable(tblName, entity, r);
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}
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}
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void EntityManager::missingManyToManyTable(const QString &tblName,
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const QSharedPointer<Entity> &e, const Relation &r) {
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QString text = "MANY_TO_MANY Table " + tblName + " is missing.\n" +
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"Entity " + EntityHelper::getClassName(e.data()) +
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" is affected.\n" + "Relation of property: " + r.getPropertyName();
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#ifdef QT_DEBUG
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throw QString(text);
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#else
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this->logger->logMsg(text, MsgType::CRITICAL);
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#endif
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}
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void EntityManager::manyToMany(const QSharedPointer<Entity> &entity,
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Attribute *&attr) {
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QSharedPointer<Entity> secEntityPtr = QSharedPointer<Entity>
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(EntityInstanceFactory::createInstance(attr->getRelatedClass()->className()));
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auto builder = this->schema->getQueryBuilder();
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EntityHelper::clearEntityListProperty(entity, attr->getMetaProperty());
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if (secEntityPtr) {
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if (this->schema->getTables().contains(attr->getTableName())) {
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QSqlQuery q = builder->manyToMany(attr->getConjunctedTable(),
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attr->getColumnName(),
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entity->getProperty(entity->getPrimaryKey()).toLongLong());
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auto listMap = this->convertQueryResult(q);
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auto secClassName = attr->getRelatedClass()->className();
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QSharedPointer<Entity> e;
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for (int var = 0; var < listMap.size(); ++var) {
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auto id = listMap.at(var).value(attr->getRelatedColumnName());
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if (!(this->cache.contains(id.toLongLong(), secClassName) &&
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(e = this->cache.get(id.toLongLong(), secClassName)))) {
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e = this->findById(id.toLongLong(), secClassName);
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}
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if (e) {
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EntityHelper::addEntityToListProperty(entity, e, attr->getMetaProperty());
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e = QSharedPointer<Entity>();
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}
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}
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} else {
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this->missingManyToManyTable(attr->getConjunctedTable(), entity, attr->getRelation());
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}
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}
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}
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QList<QSharedPointer<Entity>> EntityManager::findEntityByAttributes(
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const QSharedPointer<Entity> &entity,
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bool ignoreID, const bool resolveRelations) {
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bool ignoreID) {
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auto maps = this->findAllByAttributes(entity, ignoreID);
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return this->convert(maps, EntityHelper::getClassname(entity.data()), resolveRelations);
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Converter c = Converter();
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return c.convert(maps, EntityHelper::getClassname(entity.data()),this->cache);
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}
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QHash<QString, QVariant> EntityManager::findByPk(qint64 id,
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| ... | ... | |
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&e) {
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QSqlQuery q = this->schema->getQueryBuilder()->find(id, e, 0,
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e->getPrimaryKey());
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auto listMap = this->convertQueryResult(q);
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Resolver r = Resolver(this->db);
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auto listMap = r.convertQueryResult(q);
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if (!listMap.isEmpty()) {
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return listMap.at(0);
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}
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| ... | ... | |
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Query query = this->schema->getQueryBuilder()->findByAttributes(
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entity, ignoreID);
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QSqlQuery q = this->queryInterpreter->build(query);
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return this->convertQueryResult(q);
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Resolver r = Resolver(this->db);
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return r.convertQueryResult(q);
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}
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QList<QHash <QString, QVariant>> EntityManager::findAllByAttributes(
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| ... | ... | |
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Query query = this->schema->getQueryBuilder()->findByAttributes(m,
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tblname, ignoreID);
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QSqlQuery q = this->queryInterpreter->build(query);
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return this->convertQueryResult(q);
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Resolver r = Resolver(this->db);
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return r.convertQueryResult(q);
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}
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QList<QHash<QString, QVariant>> EntityManager::convertQueryResult(
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QSqlQuery &q) {
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QList<QHash <QString, QVariant>> listmap = QList<QHash <QString, QVariant>>();
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this->db->select(q);
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QSqlRecord rec = q.record();
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QStringList l = QStringList();
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qint16 field_count = rec.count();
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for (int var = 0; var < field_count; ++var) {
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l.append(rec.fieldName(var));
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}
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QHash<QString, QVariant> map = QHash<QString, QVariant>();
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while (q.next()) {
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for (int var = 0; var < field_count; ++var) {
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map.insert(l.at(var), q.value(rec.indexOf(l.at(var))));
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}
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listmap.append(map);
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}
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return listmap;
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}
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QList<QHash <QString, QVariant>> EntityManager::findAll(
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const QSharedPointer<Entity> &e) {
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QSqlQuery q = this->schema->getQueryBuilder()->findAll(e);
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return this->convertQueryResult(q);
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Resolver r = Resolver(this->db);
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return r.convertQueryResult(q);
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}
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void EntityManager::resolveRelations(const QSharedPointer<Entity> &entity,
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| ... | ... | |
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this->manyToOne(entity, map.value(colName), attr);
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}
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break;
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case RelationType::MANY_TO_MANY:
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this->manyToMany(entity, attr);
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case RelationType::MANY_TO_MANY: {
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HasMany hm = HasMany(entity,r,this->schema);
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hm.resolve(entity,attr,this->cache,this);
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}
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break;
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case RelationType::ONE_TO_MANY:
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this->oneToMany(entity, attr);
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| ... | ... | |
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void EntityManager::setConnectionNames(QStringList list) {
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EntityManager::connectionNames = list;
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}
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QSharedPointer<Entity> EntityManager::convert(const QHash<QString, QVariant>
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&map,
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const char *classname, const bool resolveRelations) {
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auto ptr = QSharedPointer<Entity>(map.isEmpty() ? nullptr : EntityInstanceFactory::createInstance(
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classname, map));
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this->cache.insert(ptr);
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if (resolveRelations) {
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this->resolveRelations(ptr, map);
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}
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return ptr;
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}
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void EntityManager::convert(const QHash<QString, QVariant> &map,
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QSharedPointer<Entity> &entity, const bool resolveRelations) {
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this->cache.insert(entity);
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auto data = entity.data();
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EntityInstanceFactory::setAttributes(data, map);
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if (resolveRelations) {
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this->resolveRelations(entity, map);
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}
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}
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QList<QSharedPointer<Entity>> EntityManager::convert(
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QList<QHash<QString, QVariant>> maps,
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const char *classname, const bool resolveRelations) {
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auto list = QList<QSharedPointer<Entity>>();
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for (int var = 0; var < maps.size(); ++var) {
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auto ptr = this->convert(maps.at(var), classname, resolveRelations);
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list.append(ptr);
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}
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return list;
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}
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Auch abrufbar als: Unified diff
n-m refactoring