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<?php |
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/** |
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* TechDivision\Import\Attribute\Set\Loaders\RawEntityLoader |
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* |
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* PHP version 7 |
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* |
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* @author Tim Wagner <[email protected]> |
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* @copyright 2020 TechDivision GmbH <[email protected]> |
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* @license https://opensource.org/licenses/MIT |
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* @link https://github.com/techdivision/import-attribute-set |
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* @link http://www.techdivision.com |
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*/ |
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namespace TechDivision\Import\Attribute\Set\Loaders; |
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use TechDivision\Import\Loaders\LoaderInterface; |
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use TechDivision\Import\Dbal\Connection\ConnectionInterface; |
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use TechDivision\Import\Attribute\Set\Utils\EntityTypeCodes; |
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/** |
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* Loader for raw entities. |
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* |
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* @author Tim Wagner <[email protected]> |
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* @copyright 2020 TechDivision GmbH <[email protected]> |
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* @license https://opensource.org/licenses/MIT |
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* @link https://github.com/techdivision/import-attribute-set |
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* @link http://www.techdivision.com |
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*/ |
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class RawEntityLoader implements LoaderInterface |
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{ |
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/** |
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* The connection instance. |
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* |
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* @var \TechDivision\Import\Dbal\Connection\ConnectionInterface |
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*/ |
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protected $connection; |
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/** |
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* The column metadata loader instance. |
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* |
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* @var \TechDivision\Import\Loaders\LoaderInterface |
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*/ |
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protected $rawEntities = array(); |
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/** |
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* The loader instance for the raw EAV entities. |
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* |
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* @var \TechDivision\Import\Loaders\LoaderInterface |
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*/ |
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protected $eavRawEntityLoader; |
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/** |
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* The array with the attribute specific entity types. |
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* |
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* @var array |
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*/ |
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protected $entityTypes = array(EntityTypeCodes::EAV_ATTRIBUTE_SET, EntityTypeCodes::EAV_ATTRIBUTE_GROUP); |
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/** |
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* Construct a new instance. |
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* |
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* @param \TechDivision\Import\Dbal\Connection\ConnectionInterface $connection The DB connection instance used to load the table metadata |
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* @param \TechDivision\Import\Loaders\LoaderInterface $columnMetadataLoader The column metadata loader instance |
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* @param \TechDivision\Import\Loaders\LoaderInterface $eavRawEntityLoader The loader instance for the raw EAV entities |
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*/ |
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public function __construct( |
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ConnectionInterface $connection, |
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LoaderInterface $columnMetadataLoader, |
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LoaderInterface $eavRawEntityLoader |
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) { |
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// set the connection and the raw EAV entity loader |
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$this->connection = $connection; |
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$this->eavRawEntityLoader = $eavRawEntityLoader; |
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// iterate over the entity types and create the raw entities |
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foreach ($this->entityTypes as $entityType) { |
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// load the columns from the metadata |
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$columns = array_filter( |
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$columnMetadataLoader->load($entityType), |
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function ($value) { |
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return $value['Key'] !== 'PRI' && $value['Null'] === 'NO' ; |
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} |
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); |
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// initialize the raw entities and their default values, if available |
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foreach ($columns as $column) { |
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$this->rawEntities[$entityType][$column['Field']] = $this->loadDefaultValue($column); |
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} |
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} |
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} |
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/** |
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* Return's the default value for the passed column. |
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* |
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* @param array $column The column to return the default value for |
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* |
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* @return string|null The default value for the passed column |
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*/ |
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protected function loadDefaultValue(array $column) |
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{ |
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// load the default value |
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$default = $column['Default']; |
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// if a default value has been found |
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if ($default === null) { |
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// if the column don't allowed NULL and of type text or varchar, we have to return an empty string |
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if (isset($column['Null'], $column['Type']) |
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&& $column['Null'] === "NO" |
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&& ($column['Type'] === 'text' || strpos($column['Type'], 'varchar') === 0) |
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) { |
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return ''; |
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} |
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return $default; |
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} |
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try { |
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// try to load it resolve it by executing a select statement (assuming it is an MySQL expression) |
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$row = $this->connection->query(sprintf('SELECT %s()', $default))->fetch(\PDO::FETCH_ASSOC); |
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return reset($row); |
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} catch (\PDOException $pdoe) { |
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} |
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// return the default value |
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return $default; |
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} |
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/** |
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* Loads and returns data. |
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* |
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* @param string|null $entityTypeCode The table name to return the list for |
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* @param array $data An array with data that will be used to initialize the raw entity with |
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* |
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* @return \ArrayAccess The array with the raw data |
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*/ |
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public function load($entityTypeCode = null, array $data = array()) |
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{ |
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return isset($this->rawEntities[$entityTypeCode]) ? array_merge($this->rawEntities[$entityTypeCode], $data) : $this->eavRawEntityLoader->load($entityTypeCode, $data); |
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} |
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} |
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techdivision /
import-attribute-set
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