Files
espocrm/application/Espo/ORM/EntityManager.php
Yuri Kuznetsov daa288c1cc visibility fix
2021-05-13 17:42:20 +03:00

512 lines
13 KiB
PHP

<?php
/************************************************************************
* This file is part of EspoCRM.
*
* EspoCRM - Open Source CRM application.
* Copyright (C) 2014-2021 Yurii Kuznietsov, Taras Machyshyn, Oleksii Avramenko
* Website: https://www.espocrm.com
*
* EspoCRM is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* EspoCRM 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 General Public License
* along with EspoCRM. If not, see http://www.gnu.org/licenses/.
*
* The interactive user interfaces in modified source and object code versions
* of this program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU General Public License version 3.
*
* In accordance with Section 7(b) of the GNU General Public License version 3,
* these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
************************************************************************/
namespace Espo\ORM;
use Espo\ORM\{
QueryComposer\QueryComposer,
Mapper\Mapper,
Mapper\BaseMapper,
Repository\RepositoryFactory,
Repository\Repository,
Repository\RDBRepository,
Locker\Locker,
Locker\BaseLocker,
Defs\Defs,
Value\ValueAccessorFactory,
Value\ValueFactoryFactory,
Value\AttributeExtractorFactory,
};
use PDO;
use Exception;
use RuntimeException;
/**
* A central access point to ORM functionality.
*/
class EntityManager
{
private $pdo;
private $entityFactory;
private $collectionFactory;
private $repositoryFactory;
protected $eventDispatcher;
private $mappers = [];
private $metadata;
private $repositoryHash = [];
private $params = [];
private $queryComposer;
private $queryExecutor;
private $sqlExecutor;
private $transactionManager;
private $locker;
protected $defaultMapperName = 'RDB';
protected $driverPlatformMap = [
'pdo_mysql' => 'Mysql',
'mysqli' => 'Mysql',
];
public function __construct(
array $params,
Metadata $metadata,
RepositoryFactory $repositoryFactory,
EntityFactory $entityFactory,
ValueFactoryFactory $valueFactoryFactory,
AttributeExtractorFactory $attributeExtractorFactory,
EventDispatcher $eventDispatcher
) {
$this->params = $params;
$this->metadata = $metadata;
if (empty($this->params['platform'])) {
if (empty($this->params['driver'])) {
throw new Exception('No database driver specified.');
}
$driver = $this->params['driver'];
if (empty($this->driverPlatformMap[$driver])) {
throw new Exception("Database driver '{$driver}' is not supported.");
}
$this->params['platform'] = $this->driverPlatformMap[$this->params['driver']];
}
$this->eventDispatcher = $eventDispatcher;
$valueAccessorFactory = new ValueAccessorFactory(
$valueFactoryFactory,
$attributeExtractorFactory,
$eventDispatcher
);
$this->entityFactory = $entityFactory;
$this->entityFactory->setEntityManager($this);
$this->entityFactory->setValueAccessorFactory($valueAccessorFactory);
$this->repositoryFactory = $repositoryFactory;
$this->initQueryComposer();
$this->sqlExecutor = new SqlExecutor($this->getPDO());
$this->queryExecutor = new QueryExecutor($this->sqlExecutor, $this->queryComposer);
$this->queryBuilder = new QueryBuilder();
$this->collectionFactory = new CollectionFactory($this);
$this->transactionManager = new TransactionManager($this->getPDO(), $this->queryComposer);
$this->initLocker();
}
private function initQueryComposer()
{
$className = $this->params['queryComposerClassName'] ?? null;
if (!$className) {
$platform = $this->params['platform'];
$className = 'Espo\\ORM\\QueryComposer\\' . ucfirst($platform) . 'QueryComposer';
}
if (!$className || !class_exists($className)) {
throw new RuntimeException("Query composer could not be created.");
}
$this->queryComposer = new $className($this->getPDO(), $this->entityFactory, $this->metadata);
}
private function initLocker()
{
$className = $this->params['lockerClassName'] ?? null;
if (!$className) {
$platform = $this->params['platform'];
$className = 'Espo\\ORM\\Locker\\' . ucfirst($platform) . 'Locker';
if (!class_exists($className)) {
$className = BaseLocker::class;
}
}
if (!$className || !class_exists($className)) {
throw new RuntimeException("Locker could not be created.");
}
$this->locker = new $className($this->getPDO(), $this->queryComposer, $this->transactionManager);
}
/**
* @todo Remove in v7.0.
* @deprecated
*/
public function getQuery(): QueryComposer
{
return $this->queryComposer;
}
public function getQueryComposer(): QueryComposer
{
return $this->queryComposer;
}
public function getTransactionManager(): TransactionManager
{
return $this->transactionManager;
}
public function getLocker(): Locker
{
return $this->locker;
}
protected function getMapperClassName(string $name): string
{
$classNameMap = $this->params['mapperClassNameMap'] ?? [];
$className = $classNameMap[$name] ?? null;
if (!$className && $name === 'RDB') {
$className = $this->getRDBMapperClassName();
}
if (!$className || !class_exists($className)) {
throw new RuntimeException("Mapper '{$name}' does not exist.");
}
return $className;
}
private function getRDBMapperClassName(): string
{
$platform = $this->params['platform'];
$className = 'Espo\\ORM\\Mapper\\' . ucfirst($platform) . 'Mapper';
if (!class_exists($className)) {
$className = BaseMapper::class;
}
return $className;
}
/**
* Get a Mapper.
*/
public function getMapper(?string $name = null): Mapper
{
$name = $name ?? $this->defaultMapperName;
$className = $this->getMapperClassName($name);
if (empty($this->mappers[$className])) {
$this->mappers[$className] = new $className(
$this->getPDO(),
$this->entityFactory,
$this->collectionFactory,
$this->getQueryComposer(),
$this->metadata,
$this->sqlExecutor
);
}
return $this->mappers[$className];
}
private function initPDO()
{
$params = $this->params;
$options = [];
if (isset($params['sslCA'])) {
$options[PDO::MYSQL_ATTR_SSL_CA] = $params['sslCA'];
}
if (isset($params['sslCert'])) {
$options[PDO::MYSQL_ATTR_SSL_CERT] = $params['sslCert'];
}
if (isset($params['sslKey'])) {
$options[PDO::MYSQL_ATTR_SSL_KEY] = $params['sslKey'];
}
if (isset($params['sslCAPath'])) {
$options[PDO::MYSQL_ATTR_SSL_CAPATH] = $params['sslCAPath'];
}
if (isset($params['sslCipher'])) {
$options[PDO::MYSQL_ATTR_SSL_CIPHER] = $params['sslCipher'];
}
$platform = strtolower($params['platform'] ?? '');
$host = $params['host'] ?? null;
$port = $params['port'] ?? null;
$dbname = $params['dbname'] ?? null;
$charset = $params['charset'] ?? null;
$user = $params['user'] ?? null;
$password = $params['password'] ?? null;
if (!$platform) {
throw new RuntimeException("No 'platform' parameter.");
}
if (!$host) {
throw new RuntimeException("No 'host' parameter.");
}
if (!$dbname) {
throw new RuntimeException("No 'dbname' parameter.");
}
$dsn =
$platform . ':' .
'host=' . $host;
if ($port) {
$dsn .= ';' . 'port=' . $port;
}
if ($dbname) {
$dsn .= ';' . 'dbname=' . $dbname;
}
if ($charset) {
$dsn .= ';' . 'charset=' . $charset;
}
$this->pdo = new PDO($dsn, $user, $password, $options);
$this->pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
}
/**
* Get an entity. If $id is null, a new entity instance is created.
* If an entity with a specified ID does not exist, then NULL is returned.
*/
public function getEntity(string $entityType, ?string $id = null): ?Entity
{
if (!$this->hasRepository($entityType)) {
throw new RuntimeException("ORM: Repository '{$entityType}' does not exist.");
}
if ($id === null) {
return $this->getRepository($entityType)->getNew();
}
return $this->getRepository($entityType)->getById($id);
}
/**
* Create a new entity instance (w/o storing to DB).
*/
public function getNewEntity(string $entityType): Entity
{
return $this->getEntity($entityType);
}
/**
* Get an entity by ID. If an entity does not exist, NULL is returned.
*/
public function getEntityById(string $entityType, string $id): ?Entity
{
return $this->getEntity($entityType, $id);
}
/**
* Store an entity.
*
* @return Deprecated. @todo To be changed to void in 6.3.
*/
public function saveEntity(Entity $entity, array $options = [])
{
$entityType = $entity->getEntityType();
$this->getRepository($entityType)->save($entity, $options);
return $entity->id;
}
/**
* Mark an entity as deleted (in database).
*/
public function removeEntity(Entity $entity, array $options = [])
{
$entityType = $entity->getEntityType();
$this->getRepository($entityType)->remove($entity, $options);
}
/**
* Create entity (and store to database).
*
* @param StdClass|array $data Entity attributes.
*/
public function createEntity(string $entityType, $data = [], array $options = []): Entity
{
$entity = $this->getEntity($entityType);
$entity->set($data);
$this->saveEntity($entity, $options);
return $entity;
}
/**
* Check whether a repository for a specific entity type exist.
*/
public function hasRepository(string $entityType): bool
{
return $this->getMetadata()->has($entityType);
}
/**
* Get a repository for a specific entity type.
*/
public function getRepository(string $entityType): Repository
{
if (!$this->hasRepository($entityType)) {
throw new RuntimeException("Repository '{$entityType}' does not exist.");
}
if (empty($this->repositoryHash[$entityType])) {
$this->repositoryHash[$entityType] = $this->repositoryFactory->create($entityType);
}
return $this->repositoryHash[$entityType] ?? null;
}
/**
* Get an RDB repository for a specific entity type.
*/
public function getRDBRepository(string $entityType): RDBRepository
{
$repository = $this->getRepository($entityType);
if (!$repository instanceof RDBRepository) {
throw new RuntimeException("Repository '{$entityType}' is not RDB.");
}
return $repository;
}
/**
* Get metadata definitions.
*/
public function getDefs(): Defs
{
return $this->metadata->getDefs();
}
/**
* Get a query builder.
*/
public function getQueryBuilder(): QueryBuilder
{
return $this->queryBuilder;
}
/**
* Get metadata.
*/
public function getMetadata(): Metadata
{
return $this->metadata;
}
/**
* Get a PDO instance.
*/
public function getPDO(): PDO
{
if (empty($this->pdo)) {
$this->initPDO();
}
return $this->pdo;
}
/**
* Create a collection. An entity type can be omitted.
*/
public function createCollection(?string $entityType = null, array $data = []): EntityCollection
{
return $this->collectionFactory->create($entityType, $data);
}
public function getEntityFactory(): EntityFactory
{
return $this->entityFactory;
}
public function getCollectionFactory(): CollectionFactory
{
return $this->collectionFactory;
}
/**
* Get a Query Executor.
*/
public function getQueryExecutor(): QueryExecutor
{
return $this->queryExecutor;
}
/**
* Get SQL Executor.
*/
public function getSqlExecutor(): SqlExecutor
{
return $this->sqlExecutor;
}
}