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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Framework\Model\ResourceModel\Db;
use Magento\Framework\App\ResourceConnection;
use Magento\Framework\Exception\AlreadyExistsException;
use Magento\Framework\Exception\LocalizedException;
use Magento\Framework\Model\ResourceModel\AbstractResource;
use Magento\Framework\DB\Adapter\DuplicateException;
use Magento\Framework\Phrase;
/**
* Abstract resource model
*
* @SuppressWarnings(PHPMD.NumberOfChildren)
* @SuppressWarnings(PHPMD.CouplingBetweenObjects)
* @SuppressWarnings(PHPMD.ExcessiveClassComplexity)
* phpcs:disable Magento2.Classes.AbstractApi
* @api
* @since 100.0.2
*/
abstract class AbstractDb extends AbstractResource
{
/**
* Cached resources singleton
*
* @var \Magento\Framework\App\ResourceConnection
*/
protected $_resources;
/**
* @var string
*/
protected $connectionName = \Magento\Framework\App\ResourceConnection::DEFAULT_CONNECTION;
/**
* @var array
*/
protected $_connections = [];
/**
* @var string
*/
protected $_resourceModel;
/**
* @var array
*/
protected $_tables = [];
/**
* @var string
*/
protected $_mainTable;
/**
* @var string
*/
protected $_idFieldName;
/**
* @var bool
*/
protected $_isPkAutoIncrement = true;
/**
* @var bool
*/
protected $_useIsObjectNew = false;
/**
* @var array
*/
protected $_mainTableFields;
/**
* Main table unique keys field names
* could array(
* array('field' => 'db_field_name1', 'title' => 'Field 1 should be unique')
* array('field' => 'db_field_name2', 'title' => 'Field 2 should be unique')
* array(
* 'field' => array('db_field_name3', 'db_field_name3'),
* 'title' => 'Field 3 and Field 4 combination should be unique'
* )
* )
* or string 'my_field_name' - will be autoconverted to
* array( array( 'field' => 'my_field_name', 'title' => 'my_field_name' ) )
*
* @var array
*/
protected $_uniqueFields = null;
/**
* Serializable fields declaration
* Structure: array(
* <field_name> => array(
* <default_value_for_serialization>,
* <default_for_unserialization>,
* <whether_to_unset_empty_when serializing> // optional parameter
* ),
* )
*
* @var array
*/
protected $_serializableFields = [];
/**
* @var TransactionManagerInterface
*/
protected $transactionManager;
/**
* @var ObjectRelationProcessor
*/
protected $objectRelationProcessor;
/**
* Constructor
*
* @param \Magento\Framework\Model\ResourceModel\Db\Context $context
* @param string $connectionName
*/
public function __construct(
\Magento\Framework\Model\ResourceModel\Db\Context $context,
$connectionName = null
) {
$this->transactionManager = $context->getTransactionManager();
$this->_resources = $context->getResources();
$this->objectRelationProcessor = $context->getObjectRelationProcessor();
if ($connectionName !== null) {
$this->connectionName = $connectionName;
}
parent::__construct();
}
/**
* Provide variables to serialize
*
* @return array
*/
public function __sleep()
{
$properties = array_keys(get_object_vars($this));
$properties = array_diff($properties, ['_resources', '_connections']);
return $properties;
}
/**
* Restore global dependencies
*
* @return void
*/
public function __wakeup()
{
$this->_resources = \Magento\Framework\App\ObjectManager::getInstance()
->get(\Magento\Framework\App\ResourceConnection::class);
}
/**
* Standard resource model initialization
*
* @param string $mainTable
* @param string $idFieldName
* @return void
*/
protected function _init($mainTable, $idFieldName)
{
$this->_setMainTable($mainTable, $idFieldName);
}
/**
* Initialize connections and tables for this resource model
* If one or both arguments are string, will be used as prefix
* If $tables is null and $connections is string, $tables will be the same
*
* @param string|array $connections
* @param string|array|null $tables
* @return $this
*/
protected function _setResource($connections, $tables = null)
{
if (is_array($connections)) {
foreach ($connections as $key => $value) {
$this->_connections[$key] = $this->_resources->getConnection($value);
}
} elseif (is_string($connections)) {
$this->connectionName = $connections;
}
if ($tables === null && is_string($connections)) {
$this->_resourceModel = $this->connectionName;
} elseif (is_array($tables)) {
foreach ($tables as $key => $value) {
$this->_tables[$key] = $this->_resources->getTableName($value);
}
} elseif (is_string($tables)) {
$this->_resourceModel = $tables;
}
return $this;
}
/**
* Main table setter.
*
* Set main entity table name and primary key field name.
* If field name is omitted {table_name}_id will be used.
*
* @param string $mainTable
* @param string|null $idFieldName
* @return $this
*/
protected function _setMainTable($mainTable, $idFieldName = null)
{
$this->_mainTable = $mainTable;
if (null === $idFieldName) {
$idFieldName = $mainTable . '_id';
}
$this->_idFieldName = $idFieldName;
return $this;
}
/**
* Get primary key field name
*
* @throws LocalizedException
* @return string
*/
public function getIdFieldName()
{
if (empty($this->_idFieldName)) {
throw new LocalizedException(new \Magento\Framework\Phrase('Empty identifier field name'));
}
return $this->_idFieldName;
}
/**
* Main table getter.
*
* Returns main table name - extracted from "module/table" style and
* validated by db adapter.
*
* @throws LocalizedException
* @return string
*/
public function getMainTable()
{
if (empty($this->_mainTable)) {
throw new LocalizedException(new \Magento\Framework\Phrase('Empty main table name'));
}
return $this->getTable($this->_mainTable);
}
/**
* Get real table name for db table, validated by db adapter
*
* @param string $tableName
* @return string
*/
public function getTable($tableName)
{
if (is_array($tableName)) {
$cacheName = join('@', $tableName);
list($tableName, $entitySuffix) = $tableName;
} else {
$cacheName = $tableName;
$entitySuffix = null;
}
if ($entitySuffix !== null) {
$tableName .= '_' . $entitySuffix;
}
if (!isset($this->_tables[$cacheName])) {
$connectionName = $this->connectionName;
$this->_tables[$cacheName] = $this->_resources->getTableName($tableName, $connectionName);
}
return $this->_tables[$cacheName];
}
/**
* Get connection by resource name
*
* @param string $resourceName
* @return \Magento\Framework\DB\Adapter\AdapterInterface|false
*/
protected function _getConnection($resourceName)
{
if (isset($this->_connections[$resourceName])) {
return $this->_connections[$resourceName];
}
$fullResourceName = ($this->connectionName ? $this->connectionName . '_' : '') . $resourceName;
$connectionInstance = $this->_resources->getConnection($fullResourceName);
// cache only active connections to detect inactive ones as soon as they become active
if ($connectionInstance) {
$this->_connections[$resourceName] = $connectionInstance;
}
return $connectionInstance;
}
/**
* Get connection
*
* @return \Magento\Framework\DB\Adapter\AdapterInterface|false
*/
public function getConnection()
{
$fullResourceName = ($this->connectionName ? $this->connectionName : ResourceConnection::DEFAULT_CONNECTION);
return $this->_resources->getConnection($fullResourceName);
}
/**
* Load an object
*
* @param \Magento\Framework\Model\AbstractModel $object
* @param mixed $value
* @param string $field field to load by (defaults to model id)
* @return $this
*/
public function load(\Magento\Framework\Model\AbstractModel $object, $value, $field = null)
{
$object->beforeLoad($value, $field);
if ($field === null) {
$field = $this->getIdFieldName();
}
$connection = $this->getConnection();
if ($connection && $value !== null) {
$select = $this->_getLoadSelect($field, $value, $object);
$data = $connection->fetchRow($select);
if ($data) {
$object->setData($data);
}
}
$this->unserializeFields($object);
$this->_afterLoad($object);
$object->afterLoad();
$object->setOrigData();
$object->setHasDataChanges(false);
return $this;
}
/**
* Retrieve select object for load object data
*
* @param string $field
* @param mixed $value
* @param \Magento\Framework\Model\AbstractModel $object
* @return \Magento\Framework\DB\Select
* @SuppressWarnings(PHPMD.UnusedFormalParameter)
*/
protected function _getLoadSelect($field, $value, $object)
{
$field = $this->getConnection()->quoteIdentifier(sprintf('%s.%s', $this->getMainTable(), $field));
$select = $this->getConnection()->select()->from($this->getMainTable())->where($field . '=?', $value);
return $select;
}
/**
* Save object object data
*
* @param \Magento\Framework\Model\AbstractModel $object
* @return $this
* @SuppressWarnings(PHPMD.CyclomaticComplexity)
* @throws \Exception
* @throws AlreadyExistsException
*/
public function save(\Magento\Framework\Model\AbstractModel $object)
{
if ($object->isDeleted()) {
return $this->delete($object);
}
$this->beginTransaction();
try {
if (!$this->isModified($object)) {
$this->processNotModifiedSave($object);
$this->commit();
$object->setHasDataChanges(false);
return $this;
}
$object->validateBeforeSave();
$object->beforeSave();
if ($object->isSaveAllowed()) {
$this->_serializeFields($object);
$this->_beforeSave($object);
$this->_checkUnique($object);
$this->objectRelationProcessor->validateDataIntegrity($this->getMainTable(), $object->getData());
if ($this->isObjectNotNew($object)) {
$this->updateObject($object);
} else {
$this->saveNewObject($object);
}
$this->unserializeFields($object);
$this->processAfterSaves($object);
}
$this->addCommitCallback([$object, 'afterCommitCallback'])->commit();
$object->setHasDataChanges(false);
} catch (DuplicateException $e) {
$this->rollBack();
$object->setHasDataChanges(true);
throw new AlreadyExistsException(new Phrase('Unique constraint violation found'), $e);
} catch (\Exception $e) {
$this->rollBack();
$object->setHasDataChanges(true);
throw $e;
}
return $this;
}
/**
* Delete the object
*
* @param \Magento\Framework\Model\AbstractModel $object
* @return $this
* @throws \Exception
*/
public function delete(\Magento\Framework\Model\AbstractModel $object)
{
$connection = $this->transactionManager->start($this->getConnection());
try {
$object->beforeDelete();
$this->_beforeDelete($object);
$this->objectRelationProcessor->delete(
$this->transactionManager,
$connection,
$this->getMainTable(),
$this->getConnection()->quoteInto($this->getIdFieldName() . '=?', $object->getId()),
$object->getData()
);
$this->_afterDelete($object);
$object->isDeleted(true);
$object->afterDelete();
$this->transactionManager->commit();
$object->afterDeleteCommit();
} catch (\Exception $e) {
$this->transactionManager->rollBack();
throw $e;
}
return $this;
}
/**
* Add unique field restriction
*
* @param array|string $field
* @return $this
*/
public function addUniqueField($field)
{
if ($this->_uniqueFields === null) {
$this->_initUniqueFields();
}
if (is_array($this->_uniqueFields)) {
$this->_uniqueFields[] = $field;
}
return $this;
}
/**
* Reset unique fields restrictions
*
* @return $this
*/
public function resetUniqueField()
{
$this->_uniqueFields = [];
return $this;
}
/**
* Unserialize serializeable object fields
*
* @param \Magento\Framework\Model\AbstractModel $object
* @return void
* @SuppressWarnings(PHPMD.UnusedLocalVariable)
*/
public function unserializeFields(\Magento\Framework\Model\AbstractModel $object)
{
foreach ($this->_serializableFields as $field => $parameters) {
list($serializeDefault, $unserializeDefault) = $parameters;
$this->_unserializeField($object, $field, $unserializeDefault);
}
}
/**
* Initialize unique fields
*
* @return $this
*/
protected function _initUniqueFields()
{
$this->_uniqueFields = [];
return $this;
}
/**
* Get configuration of all unique fields
*
* @return array
*/
public function getUniqueFields()
{
if ($this->_uniqueFields === null) {
$this->_initUniqueFields();
}
return $this->_uniqueFields;
}
/**
* Prepare data for save
*
* @param \Magento\Framework\Model\AbstractModel $object
* @return array
* @throws LocalizedException
*/
protected function _prepareDataForSave(\Magento\Framework\Model\AbstractModel $object)
{
return $this->_prepareDataForTable($object, $this->getMainTable());
}
/**
* Check that model data fields that can be saved has really changed comparing with origData.
*
* @param \Magento\Framework\Model\AbstractModel $object
* @return bool
* @throws LocalizedException
*/
public function hasDataChanged($object)
{
if (!$object->getOrigData()) {
return true;
}
$fields = $this->getConnection()->describeTable($this->getMainTable());
foreach (array_keys($fields) as $field) {
if ($object->getOrigData($field) != $object->getData($field)) {
return true;
}
}
return false;
}
/**
* Prepare value for save
*
* @param mixed $value
* @param string $type
* @return mixed
*/
protected function _prepareValueForSave($value, $type)
{
return $this->_prepareTableValueForSave($value, $type);
}
/**
* Check for unique values existence
*
* @param \Magento\Framework\Model\AbstractModel $object
* @return $this
* @throws AlreadyExistsException
* @SuppressWarnings(PHPMD.CyclomaticComplexity)
* @SuppressWarnings(PHPMD.NPathComplexity)
*/
protected function _checkUnique(\Magento\Framework\Model\AbstractModel $object)
{
$existent = [];
$fields = $this->getUniqueFields();
if (!empty($fields)) {
if (!is_array($fields)) {
$fields = $this->_uniqueFields = [['field' => $fields, 'title' => $fields]];
}
$data = new \Magento\Framework\DataObject($this->_prepareDataForSave($object));
$select = $this->getConnection()->select()->from($this->getMainTable());
foreach ($fields as $unique) {
$select->reset(\Magento\Framework\DB\Select::WHERE);
foreach ((array)$unique['field'] as $field) {
$value = $data->getData($field);
if ($value === null) {
$select->where($field . ' IS NULL');
} else {
$select->where($field . '=?', trim($value));
}
}
if ($object->getId() || (string)$object->getId() === '0') {
$select->where($this->getIdFieldName() . '!=?', $object->getId());
}
$test = $this->getConnection()->fetchRow($select);
if ($test) {
$existent[] = $unique['title'];
}
}
}
if (!empty($existent)) {
if (count($existent) == 1) {
$error = new \Magento\Framework\Phrase('%1 already exists.', [$existent[0]]);
} else {
$error = new \Magento\Framework\Phrase('%1 already exist.', [implode(', ', $existent)]);
}
throw new AlreadyExistsException($error);
}
return $this;
}
/**
* Perform actions after object load
*
* @param \Magento\Framework\Model\AbstractModel|\Magento\Framework\DataObject $object
* @return $this
* @SuppressWarnings(PHPMD.UnusedFormalParameter)
*/
protected function _afterLoad(\Magento\Framework\Model\AbstractModel $object)
{
return $this;
}
/**
* Perform actions before object save
*
* @param \Magento\Framework\Model\AbstractModel|\Magento\Framework\DataObject $object
* @return $this
* @SuppressWarnings(PHPMD.UnusedFormalParameter)
*/
protected function _beforeSave(\Magento\Framework\Model\AbstractModel $object)
{
return $this;
}
/**
* Perform actions after object save
*
* @param \Magento\Framework\Model\AbstractModel|\Magento\Framework\DataObject $object
* @return $this
* @SuppressWarnings(PHPMD.UnusedFormalParameter)
*/
protected function _afterSave(\Magento\Framework\Model\AbstractModel $object)
{
return $this;
}
/**
* Perform actions before object delete
*
* @param \Magento\Framework\Model\AbstractModel|\Magento\Framework\DataObject $object
* @return $this
* @SuppressWarnings(PHPMD.UnusedFormalParameter)
*/
protected function _beforeDelete(\Magento\Framework\Model\AbstractModel $object)
{
return $this;
}
/**
* Perform actions after object delete
*
* @param \Magento\Framework\Model\AbstractModel|\Magento\Framework\DataObject $object
* @return $this
* @SuppressWarnings(PHPMD.UnusedFormalParameter)
*/
protected function _afterDelete(\Magento\Framework\Model\AbstractModel $object)
{
return $this;
}
/**
* Serialize serializable fields of the object
*
* @param \Magento\Framework\Model\AbstractModel $object
* @return void
* @SuppressWarnings(PHPMD.UnusedLocalVariable)
*/
protected function _serializeFields(\Magento\Framework\Model\AbstractModel $object)
{
foreach ($this->_serializableFields as $field => $parameters) {
list($serializeDefault, $unserializeDefault) = $parameters;
$this->_serializeField($object, $field, $serializeDefault, isset($parameters[2]));
}
}
/**
* Retrieve table checksum
*
* @param string|array $table
* @return int|array|false
*/
public function getChecksum($table)
{
if (!$this->getConnection()) {
return false;
}
$checksum = $this->getConnection()->getTablesChecksum($table);
if (count($checksum) == 1) {
return $checksum[$table];
}
return $checksum;
}
/**
* Get the array of data fields that was changed or added
*
* @param \Magento\Framework\Model\AbstractModel $object
* @return array
* @throws LocalizedException
*/
protected function prepareDataForUpdate($object)
{
$data = $object->getData();
foreach ($object->getStoredData() as $key => $value) {
if (array_key_exists($key, $data) && $data[$key] === $value) {
unset($data[$key]);
}
}
$dataObject = clone $object;
$dataObject->setData($data);
$data = $this->_prepareDataForTable($dataObject, $this->getMainTable());
unset($data[$this->getIdFieldName()]);
unset($dataObject);
return $data;
}
/**
* Check if object is new
*
* @param \Magento\Framework\Model\AbstractModel $object
* @return bool
*/
protected function isObjectNotNew(\Magento\Framework\Model\AbstractModel $object)
{
return $object->getId() !== null && (!$this->_useIsObjectNew || !$object->isObjectNew());
}
/**
* Save New Object
*
* @param \Magento\Framework\Model\AbstractModel $object
* @throws LocalizedException
* @return void
*/
protected function saveNewObject(\Magento\Framework\Model\AbstractModel $object)
{
$bind = $this->_prepareDataForSave($object);
if ($this->_isPkAutoIncrement) {
unset($bind[$this->getIdFieldName()]);
}
$this->getConnection()->insert($this->getMainTable(), $bind);
if ($this->_isPkAutoIncrement) {
$object->setId($this->getConnection()->lastInsertId($this->getMainTable()));
}
if ($this->_useIsObjectNew) {
$object->isObjectNew(false);
}
}
/**
* Check if column data type is numeric
*
* Based on column description
*
* @param array $columnDescription
* @return bool
*/
private function isNumericValue(array $columnDescription): bool
{
$result = true;
if (!empty($columnDescription['DATA_TYPE'])
&& in_array($columnDescription['DATA_TYPE'], ['tinyint', 'smallint', 'mediumint', 'int', 'bigint'])) {
$result = false;
}
return $result;
}
/**
* Update existing object
*
* @param \Magento\Framework\Model\AbstractModel $object
* @throws LocalizedException
* @return void
*/
protected function updateObject(\Magento\Framework\Model\AbstractModel $object)
{
$connection = $this->getConnection();
$tableDescription = $connection->describeTable($this->getMainTable());
$preparedValue = $connection->prepareColumnValue($tableDescription[$this->getIdFieldName()], $object->getId());
$condition = (!$this->isNumericValue($tableDescription[$this->getIdFieldName()]))
? sprintf('%s=%d', $this->getIdFieldName(), $preparedValue)
: $connection->quoteInto($this->getIdFieldName() . '=?', $preparedValue);
/**
* Not auto increment primary key support
*/
if ($this->_isPkAutoIncrement) {
$data = $this->prepareDataForUpdate($object);
if (!empty($data)) {
$connection->update($this->getMainTable(), $data, $condition);
}
} else {
$select = $connection->select()->from(
$this->getMainTable(),
[$this->getIdFieldName()]
)->where(
$condition
);
if ($connection->fetchOne($select) !== false) {
$data = $this->prepareDataForUpdate($object);
if (!empty($data)) {
$connection->update($this->getMainTable(), $data, $condition);
}
} else {
$connection->insert(
$this->getMainTable(),
$this->_prepareDataForSave($object)
);
}
}
}
/**
* Sequences of after save call
*
* @param \Magento\Framework\Model\AbstractModel $object
* @return void
*/
protected function processAfterSaves(\Magento\Framework\Model\AbstractModel $object)
{
$this->_afterSave($object);
$object->afterSave();
}
/**
* Check if object was modified
*
* @param \Magento\Framework\Model\AbstractModel $object
* @return bool
*/
protected function isModified(\Magento\Framework\Model\AbstractModel $object)
{
return $object->hasDataChanges();
}
/**
* Process object which was modified
*
* @param \Magento\Framework\Model\AbstractModel $object
* @return $this
* @SuppressWarnings(PHPMD.UnusedFormalParameter)
*/
protected function processNotModifiedSave(\Magento\Framework\Model\AbstractModel $object)
{
return $this;
}
/**
* Perform actions after entity load
*
* @param \Magento\Framework\DataObject $object
* @return void
*/
public function afterLoad(\Magento\Framework\DataObject $object)
{
$this->_afterLoad($object);
}
/**
* Perform actions before entity save
*
* @param \Magento\Framework\DataObject $object
* @return void
* @since 100.1.0
*/
public function beforeSave(\Magento\Framework\DataObject $object)
{
$this->_beforeSave($object);
}
/**
* Perform actions after entity save
*
* @param \Magento\Framework\DataObject $object
* @return void
* @since 100.1.0
*/
public function afterSave(\Magento\Framework\DataObject $object)
{
$this->_afterSave($object);
}
/**
* Perform actions before entity delete
*
* @param \Magento\Framework\DataObject $object
* @return void
* @since 100.1.0
*/
public function beforeDelete(\Magento\Framework\DataObject $object)
{
$this->_beforeDelete($object);
}
/**
* Perform actions after entity delete
*
* @param \Magento\Framework\DataObject $object
* @return void
* @since 100.1.0
*/
public function afterDelete(\Magento\Framework\DataObject $object)
{
$this->_afterDelete($object);
}
/**
* Serialize serializable fields of the object
*
* @param \Magento\Framework\Model\AbstractModel $object
* @return \Magento\Framework\Model\AbstractModel|void
* @since 100.1.0
*/
public function serializeFields(\Magento\Framework\Model\AbstractModel $object)
{
$this->_serializeFields($object);
return $object;
}
}