/**
* @param EntityManager $manager
* @param EntityMapper $owner
* @param array $options
* @return LazyLoader
*/
protected function getLazyLoader(EntityManager $manager, EntityMapper $owner, array $options)
{
$related = $manager->resolveEntityMapper($this->entityClass);
if ($this->foreignKey === null) {
$this->foreignKey = $related->getForeignKey();
}
$ids = [];
foreach ($options['results'] as $result) {
$ids[] = $result[$this->foreignKey];
}
$statement = new SQLStatement();
$select = new EntityQuery($manager, $related, $statement);
$select->where($related->getPrimaryKey())->in($ids);
if ($options['callback'] !== null) {
$options['callback'](new Query($statement));
}
$select->with($options['with'], $options['immediate']);
return new LazyLoader($select, $this->foreignKey, $related->getPrimaryKey(), false, $options['immediate']);
}
/**
* @param EntityManager $manager
* @param EntityMapper $owner
* @param array $options
* @return LazyLoader
*/
protected function getLazyLoader(EntityManager $manager, EntityMapper $owner, array $options)
{
$related = $manager->resolveEntityMapper($this->entityClass);
if ($this->junctionTable === null) {
$table = [$owner->getTable(), $related->getTable()];
sort($table);
$this->junctionTable = implode('_', $table);
}
if ($this->juctionKey === null) {
$this->juctionKey = $related->getForeignKey();
}
if ($this->foreignKey === null) {
$this->foreignKey = $owner->getForeignKey();
}
if ($this->joinTable === null) {
$this->joinTable = $related->getTable();
}
if ($this->joinColumn === null) {
$this->joinColumn = $related->getPrimaryKey();
}
$ids = [];
$pk = $owner->getPrimaryKey();
foreach ($options['results'] as $result) {
$ids[] = $result[$pk];
}
$statement = new SQLStatement();
$select = new class($manager, $related, $statement, $this->junctionTable) extends EntityQuery
{
protected $junctionTable;
public function __construct(EntityManager $entityManager, EntityMapper $entityMapper, $statement, $table)
{
parent::__construct($entityManager, $entityMapper, $statement);
$this->junctionTable = $table;
}
protected function buildQuery()
{
$this->locked = true;
$this->sql->addTables([$this->junctionTable]);
return $this;
}
protected function isReadOnly() : bool
{
return count($this->sql->getJoins()) > 1;
}
};
$linkKey = 'hidden_' . $this->junctionTable . '_' . $this->foreignKey;
$select->join($this->joinTable, function (Join $join) {
$join->on($this->junctionTable . '.' . $this->juctionKey, $this->joinTable . '.' . $this->joinColumn);
})->where($this->junctionTable . '.' . $this->foreignKey)->in($ids);
$statement->addColumn($this->joinTable . '.*');
$statement->addColumn($this->junctionTable . '.' . $this->foreignKey, $linkKey);
if ($options['callback'] !== null) {
$options['callback'](new Query($statement));
}
$select->with($options['with'], $options['immediate']);
return new LazyLoader($select, $pk, $linkKey, $this->hasMany, $options['immediate']);
}