Files
espocrm/application/Espo/ORM/EntityManager.php
2021-07-15 17:05:06 +03:00

500 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\MapperFactory,
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 = null;
private $entityFactory;
private $collectionFactory;
private $repositoryFactory;
protected $eventDispatcher;
private $mapperFactory = null;
private $mappers = [];
private $metadata;
private $repositoryHash = [];
/**
* @var DatabaseParams
*/
private $databaseParams;
private $queryComposer;
private $queryExecutor;
private $sqlExecutor;
private $transactionManager;
private $locker;
private const RDB_MAPPER_NAME = 'RDB';
protected $driverPlatformMap = [
'pdo_mysql' => 'Mysql',
'mysqli' => 'Mysql',
];
public function __construct(
DatabaseParams $databaseParams,
Metadata $metadata,
RepositoryFactory $repositoryFactory,
EntityFactory $entityFactory,
ValueFactoryFactory $valueFactoryFactory,
AttributeExtractorFactory $attributeExtractorFactory,
EventDispatcher $eventDispatcher,
?MapperFactory $mapperFactory = null
) {
$this->databaseParams = $databaseParams;
$this->metadata = $metadata;
$this->eventDispatcher = $eventDispatcher;
$this->entityFactory = $entityFactory;
$this->repositoryFactory = $repositoryFactory;
$this->mapperFactory = $mapperFactory;
if (!$this->databaseParams->getPlatform()) {
$driver = $this->databaseParams->getDriver();
if (!$driver) {
throw new Exception('No database driver specified.');
}
$platform = $this->driverPlatformMap[$driver] ?? null;
if (!$platform) {
throw new Exception("Database driver '{$driver}' is not supported.");
}
$this->databaseParams = $this->databaseParams->withPlatform($platform);
}
$valueAccessorFactory = new ValueAccessorFactory(
$valueFactoryFactory,
$attributeExtractorFactory,
$eventDispatcher
);
$this->entityFactory->setEntityManager($this);
$this->entityFactory->setValueAccessorFactory($valueAccessorFactory);
$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(): void
{
$platform = $this->databaseParams->getPlatform();
$className = 'Espo\\ORM\\QueryComposer\\' . ucfirst($platform) . 'QueryComposer';
if (!class_exists($className)) {
throw new RuntimeException("Query composer for '{$platform}' platform does not exits.");
}
$this->queryComposer = new $className($this->getPDO(), $this->entityFactory, $this->metadata);
}
private function initLocker(): void
{
$platform = $this->databaseParams->getPlatform();
$className = 'Espo\\ORM\\Locker\\' . ucfirst($platform) . 'Locker';
if (!class_exists($className)) {
$className = BaseLocker::class;
}
$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;
}
/**
* Get a Mapper.
*/
public function getMapper(string $name = self::RDB_MAPPER_NAME): Mapper
{
if (!array_key_exists($name, $this->mappers)) {
$this->loadMapper($name);
}
return $this->mappers[$name];
}
private function loadMapper(string $name): void
{
if ($name === self::RDB_MAPPER_NAME) {
$className = $this->getRDBMapperClassName();
$this->mappers[$name] = new $className(
$this->getPDO(),
$this->entityFactory,
$this->collectionFactory,
$this->getQueryComposer(),
$this->metadata,
$this->sqlExecutor
);
return;
}
if (!$this->mapperFactory) {
throw new RuntimeException("Could not create mapper '{$name}'. No mapper factory.");
}
$this->mappers[$name] = $this->mapperFactory->create($name);
}
private function getRDBMapperClassName(): string
{
$platform = $this->databaseParams->getPlatform();
$className = 'Espo\\ORM\\Mapper\\' . ucfirst($platform) . 'Mapper';
if (!class_exists($className)) {
throw new RuntimeException("Mapper for '{$platform}' does not exist.");
}
return $className;
}
private function initPDO(): void
{
$platform = strtolower($this->databaseParams->getPlatform() ?? '');
$host = $this->databaseParams->getHost();
$port = $this->databaseParams->getPort();
$dbname = $this->databaseParams->getName();
$charset = $this->databaseParams->getCharset();
$username = $this->databaseParams->getUsername();
$password = $this->databaseParams->getPassword();
if (!$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=' . (string) $port;
}
if ($dbname) {
$dsn .= ';' . 'dbname=' . $dbname;
}
if ($charset) {
$dsn .= ';' . 'charset=' . $charset;
}
$options = [];
if ($this->databaseParams->getSslCa()) {
$options[PDO::MYSQL_ATTR_SSL_CA] = $this->databaseParams->getSslCa();
}
if ($this->databaseParams->getSslCert()) {
$options[PDO::MYSQL_ATTR_SSL_CERT] = $this->databaseParams->getSslCert();
}
if ($this->databaseParams->getSslKey()) {
$options[PDO::MYSQL_ATTR_SSL_KEY] = $this->databaseParams->getSslKey();
}
if ($this->databaseParams->getSslCaPath()) {
$options[PDO::MYSQL_ATTR_SSL_CAPATH] = $this->databaseParams->getSslCaPath();
}
if ($this->databaseParams->getSslCipher()) {
$options[PDO::MYSQL_ATTR_SSL_CIPHER] = $this->databaseParams->getSslCipher();
}
if ($this->databaseParams->isSslVerifyDisabled()) {
$options[PDO::MYSQL_ATTR_SSL_VERIFY_SERVER_CERT] = false;
}
$this->pdo = new PDO($dsn, $username, $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 void
* @todo Change return type to void in v6.3.
*/
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 = []): void
{
$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 (!array_key_exists($entityType, $this->repositoryHash)) {
$this->repositoryHash[$entityType] = $this->repositoryFactory->create($entityType);
}
return $this->repositoryHash[$entityType];
}
/**
* 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 $this->metadata;
}
/**
* @deprecated
*/
public function getPDO(): PDO
{
if ($this->pdo === null) {
$this->initPDO();
}
return $this->pdo;
}
/**
* @deprecated Use `getCollectionFactory`.
*/
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;
}
}