protected function handleData(array $config)
{
foreach ($config['tables'] as $name => $tbl) {
$this->addTable(Table::createFromStructure($name, $this));
}
foreach ($this->tables as $table) {
if ($extensions = $table->getConfig()['extensions']) {
foreach ($extensions as $name) {
if (!isset($this->extensions[$name])) {
throw new \Exception("{$name} 扩展未注册");
}
$this->extensions[$name]->extendTable($table);
}
}
}
foreach ($this->tables as $table) {
if ($belongToNames = $table->getConfig()['belong_to']) {
foreach ($belongToNames as $name) {
$table->addBelongTo($this->getTables()[$name]);
}
}
}
foreach ($config['many_many'] as $relation) {
$table = Relation::createManyToManyTable($this->tables[$relation[0]], $this->tables[$relation[1]]);
$this->addTable($table);
}
}
public function getName()
{
if (!$this->name) {
$this->name = Relation::getForeignKey($this->relationTable->getName());
}
return $this->name;
}
/**
* @param $id
* @param $relationTableName
* @param array $where
* @param array $options
* @return array|Bean[]
*/
public function getMany($id, $relationTableName, array $where = [], array $options = [])
{
if ($this->table->hasOneToManyTable($relationTableName)) {
$where[Relation::getForeignKey($this->getTableName())] = $id;
if ($options) {
$where = array_merge(['AND' => $where], $options);
}
return $this->getManagerFactory()->getManager($relationTableName)->select([], $where);
} elseif ($this->table->hasManyToManyTable($relationTableName)) {
$mm = Relation::getManyToManyTableName($this->getTableName(), $relationTableName);
$manager = $this->getManagerFactory()->getManager($relationTableName);
$foreignKey = $mm . '.' . Relation::getForeignKey($relationTableName);
$thisForeignKey = $mm . '.' . Relation::getForeignKey($this->getTableName());
$where[$thisForeignKey] = $id;
return $manager->select(['[<]' . $mm => [$relationTableName . '.id' => $foreignKey]], ['AND' => $where]);
} else {
return [];
}
}
public function getBelongToTable($name)
{
$foreignKey = Relation::getForeignKey($name);
$relationField = $this->getField($foreignKey);
if (!$relationField instanceof RelationField) {
throw new \Exception("{$name} 不是关联表");
}
return $relationField->getRelationTable();
}
/**
* 获得 BelongTo Bean
*
* @param $name
* @throws \Exception
* @return Bean|null
*/
public function getBelongTo($name)
{
$foreignKey = Relation::getForeignKey($name);
if (!isset($this->data[$foreignKey])) {
return null;
}
$foreignTable = $this->table->getBelongToTable($name);
$m = $this->getManagerFactory()->getManager($foreignTable);
return $m->get($this->data[$foreignKey]);
}