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<?php
namespace Faker\ORM\Doctrine;
use Doctrine\Common\Persistence\Mapping\ClassMetadata;
use Doctrine\Common\Persistence\ObjectManager;
/**
* Service class for populating a table through a Doctrine Entity class.
*/
class EntityPopulator
{
/**
* @var ClassMetadata
*/
protected $class;
/**
* @var array
*/
protected $columnFormatters = [];
/**
* @var array
*/
protected $modifiers = [];
public function __construct(ClassMetadata $class)
{
$this->class = $class;
}
/**
* @return string
*/
public function getClass()
{
return $this->class->getName();
}
public function setColumnFormatters($columnFormatters)
{
$this->columnFormatters = $columnFormatters;
}
/**
* @return array
*/
public function getColumnFormatters()
{
return $this->columnFormatters;
}
public function mergeColumnFormattersWith($columnFormatters)
{
$this->columnFormatters = array_merge($this->columnFormatters, $columnFormatters);
}
public function setModifiers(array $modifiers)
{
$this->modifiers = $modifiers;
}
/**
* @return array
*/
public function getModifiers()
{
return $this->modifiers;
}
public function mergeModifiersWith(array $modifiers)
{
$this->modifiers = array_merge($this->modifiers, $modifiers);
}
/**
* @return array
*/
public function guessColumnFormatters(\Faker\Generator $generator)
{
$formatters = [];
$nameGuesser = new \Faker\Guesser\Name($generator);
$columnTypeGuesser = new ColumnTypeGuesser($generator);
foreach ($this->class->getFieldNames() as $fieldName) {
if ($this->class->isIdentifier($fieldName) || !$this->class->hasField($fieldName)) {
continue;
}
$size = $this->class->fieldMappings[$fieldName]['length'] ?? null;
if ($formatter = $nameGuesser->guessFormat($fieldName, $size)) {
$formatters[$fieldName] = $formatter;
continue;
}
if ($formatter = $columnTypeGuesser->guessFormat($fieldName, $this->class)) {
$formatters[$fieldName] = $formatter;
continue;
}
}
foreach ($this->class->getAssociationNames() as $assocName) {
if ($this->class->isCollectionValuedAssociation($assocName)) {
continue;
}
$relatedClass = $this->class->getAssociationTargetClass($assocName);
$unique = $optional = false;
if ($this->class instanceof \Doctrine\ORM\Mapping\ClassMetadata) {
$mappings = $this->class->getAssociationMappings();
foreach ($mappings as $mapping) {
if ($mapping['targetEntity'] == $relatedClass) {
if ($mapping['type'] == \Doctrine\ORM\Mapping\ClassMetadata::ONE_TO_ONE) {
$unique = true;
$optional = $mapping['joinColumns'][0]['nullable'] ?? false;
break;
}
}
}
} elseif ($this->class instanceof \Doctrine\ODM\MongoDB\Mapping\ClassMetadata) {
$mappings = $this->class->associationMappings;
foreach ($mappings as $mapping) {
if ($mapping['targetDocument'] == $relatedClass) {
if ($mapping['type'] == \Doctrine\ODM\MongoDB\Mapping\ClassMetadata::ONE && $mapping['association'] == \Doctrine\ODM\MongoDB\Mapping\ClassMetadata::REFERENCE_ONE) {
$unique = true;
$optional = $mapping['nullable'] ?? false;
break;
}
}
}
}
$index = 0;
$formatters[$assocName] = static function ($inserted) use ($relatedClass, &$index, $unique, $optional, $generator) {
if (isset($inserted[$relatedClass])) {
if ($unique) {
$related = null;
if (isset($inserted[$relatedClass][$index]) || !$optional) {
$related = $inserted[$relatedClass][$index];
}
++$index;
return $related;
}
return $generator->randomElement($inserted[$relatedClass]);
}
return null;
};
}
return $formatters;
}
/**
* Insert one new record using the Entity class.
*
* @param bool $generateId
*
* @return EntityPopulator
*/
public function execute(ObjectManager $manager, $insertedEntities, $generateId = false)
{
$obj = $this->class->newInstance();
$this->fillColumns($obj, $insertedEntities);
$this->callMethods($obj, $insertedEntities);
if ($generateId) {
$idsName = $this->class->getIdentifier();
foreach ($idsName as $idName) {
$id = $this->generateId($obj, $idName, $manager);
$this->class->reflFields[$idName]->setValue($obj, $id);
}
}
$manager->persist($obj);
return $obj;
}
private function fillColumns($obj, $insertedEntities)
{
foreach ($this->columnFormatters as $field => $format) {
if (null !== $format) {
// Add some extended debugging information to any errors thrown by the formatter
try {
$value = is_callable($format) ? $format($insertedEntities, $obj) : $format;
} catch (\InvalidArgumentException $ex) {
throw new \InvalidArgumentException(sprintf(
'Failed to generate a value for %s::%s: %s',
get_class($obj),
$field,
$ex->getMessage()
));
}
// Try a standard setter if it's available, otherwise fall back on reflection
$setter = sprintf('set%s', ucfirst($field));
if (is_callable([$obj, $setter])) {
$obj->$setter($value);
} else {
$this->class->reflFields[$field]->setValue($obj, $value);
}
}
}
}
private function callMethods($obj, $insertedEntities)
{
foreach ($this->getModifiers() as $modifier) {
$modifier($obj, $insertedEntities);
}
}
/**
* @return int|null
*/
private function generateId($obj, $column, ObjectManager $manager)
{
/** @var \Doctrine\Common\Persistence\ObjectRepository $repository */
$repository = $manager->getRepository(get_class($obj));
$result = $repository->createQueryBuilder('e')
->select(sprintf('e.%s', $column))
->getQuery()
->execute();
$ids = array_map('current', $result->toArray());
$id = null;
do {
$id = mt_rand();
} while (in_array($id, $ids, false));
return $id;
}
}