public static function load($parent, $childs, $keyField, array $ids, $foreignKey = null)
{
self::parseItemStatement($parent, $parentItemName, $parentFields);
Lms_Item::initStructure(Lms_Item::getClassName($parentItemName));
$struct = Lms_Item::getStruct($parentItemName);
if (count($parentFields)) {
if ($foreignKey && !in_array($foreignKey, $parentFields)) {
array_unshift($parentFields, $foreignKey);
}
foreach ($struct->getPk() as $fieldName) {
if (!in_array($fieldName, $parentFields)) {
array_unshift($parentFields, $fieldName);
}
}
}
if (!$foreignKey && $struct->hasIndex($keyField)) {
$foreignKey = $keyField;
}
$newScalarPKs = self::_exec($parentItemName, $parentFields, $keyField, $ids, $foreignKey);
foreach ($childs as $child) {
self::parseItemStatement($child, $childItemName, $childFields);
Lms_Item::initStructure(Lms_Item::getClassName($childItemName));
$relation = Lms_Item_Relations::get($parentItemName, $childItemName);
if (!$relation) {
$linkatorItemName = Lms_Item::getLinkator($parentItemName, $childItemName);
$subRelation = Lms_Item_Relations::get($parentItemName, $linkatorItemName);
$newKeys = array_unique(Lms_Item_Store::getAllFieldValues($newScalarPKs, Lms_Item::getTableName($parentItemName), $subRelation['parent_key']));
self::load($linkatorItemName, array($child), $subRelation['foreign_key'], $newKeys, $subRelation['foreign_key']);
} else {
if (count($childFields)) {
if ($relation && !in_array($relation['foreign_key'], $childFields)) {
array_unshift($childFields, $relation['foreign_key']);
}
$struct = Lms_Item::getStruct($childItemName);
foreach ($struct->getPk() as $fieldName) {
if (!in_array($fieldName, $childFields)) {
array_unshift($childFields, $fieldName);
}
}
}
$newKeys = array_unique(Lms_Item_Store::getAllFieldValues($newScalarPKs, Lms_Item::getTableName($parentItemName), $relation['parent_key']));
self::_exec($childItemName, $childFields, $relation['foreign_key'], $newKeys, $relation['foreign_key']);
}
}
}
/**
* Загружает зависимости $subItemName для данной сущности
* @param $subItemName
* return bool
*/
function loadRelated($subItemName, $fk = null)
{
if (method_exists($this, "load{$subItemName}")) {
return call_user_func(array($this, "load{$subItemName}"));
} else {
$tableName = Lms_Item::getTableName($subItemName);
if ($fk === null) {
$fk = $this->_getSimplePk();
}
$fkValue = $this->__getValue($fk);
$rows = $this->_slaveDb->select("SELECT * FROM {$tableName} WHERE ?#=?", $fk, $fkValue);
if ($rows) {
$subItemPk = Lms_Item::getStruct($subItemName)->getPk();
foreach ($rows as $row) {
$scalarPkValue = Lms_Item_Scalar::extractScalarPkValue($row, $subItemPk);
Lms_Item_Store::setValues($tableName, $scalarPkValue, $row, true);
}
Lms_Item_Store::rebuildIndex($tableName);
}
}
}
public static function initStructure($className)
{
if (!isset(self::$_initedClasses[$className])) {
$struct = Lms_Item::getStruct(self::getItemName($className));
/**
* @todo инициализировать связи (relations) только один раз,
* основываясь на имени класса объекта, а не на имени таблицы,
* так как Cover, Poster, Screenshot имееют одну и ту же
* таблицу images
*/
call_user_func(array($className, 'initRelations'), $className);
$itemName = self::getItemName($className);
call_user_func(array($className, '_customInitStructure'), $struct, self::getMasterDb($itemName), self::getSlaveDb($itemName));
self::$_initedClasses[$className] = true;
}
}
