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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Framework\Indexer;
use Magento\Framework\App\ResourceConnection;
use Magento\Framework\DB\Adapter\AdapterInterface;
use Magento\Framework\DB\Ddl\Table;
use Magento\Framework\Indexer\ScopeResolver\FlatScopeResolver;
use Magento\Framework\Search\Request\Dimension;
class GridStructure implements IndexStructureInterface
{
/**
* @var Resource
*/
private $resource;
/**
* @var FlatScopeResolver
*/
private $flatScopeResolver;
/**
* @var array
*/
protected $columnTypesMap = [
'varchar' => ['type' => Table::TYPE_TEXT, 'size' => 255],
'mediumtext' => ['type' => Table::TYPE_TEXT, 'size' => 16777216],
'text' => ['type' => Table::TYPE_TEXT, 'size' => 65536],
'int' => ['type' => Table::TYPE_INTEGER, 'size' => null],
'date' => ['type' => Table::TYPE_DATE, 'size' => null],
'datetime' => ['type' => Table::TYPE_DATETIME, 'size' => null],
'timestamp' => ['type' => Table::TYPE_TIMESTAMP, 'size' => null],
];
/**
* @param ResourceConnection $resource
* @param FlatScopeResolver $flatScopeResolver
* @param array $columnTypesMap
*/
public function __construct(
ResourceConnection $resource,
FlatScopeResolver $flatScopeResolver,
array $columnTypesMap = []
) {
$this->resource = $resource;
$this->flatScopeResolver = $flatScopeResolver;
$this->columnTypesMap = array_merge($this->columnTypesMap, $columnTypesMap);
}
/**
* @param string $index
* @param Dimension[] $dimensions
* @return void
*/
public function delete($index, array $dimensions = [])
{
$adapter = $this->getAdapter();
$tableName = $this->flatScopeResolver->resolve($index, $dimensions);
if ($adapter->isTableExists($tableName)) {
$adapter->dropTable($tableName);
}
}
/**
* @param string $index
* @param array $fields
* @param Dimension[] $dimensions
* @return void
*/
public function create($index, array $fields, array $dimensions = [])
{
$this->createFlatTable($this->flatScopeResolver->resolve($index, $dimensions), $fields);
}
/**
* @param string $tableName
* @param array $fields
* @throws \Zend_Db_Exception
* @return void
*/
protected function createFlatTable($tableName, array $fields)
{
$adapter = $this->getAdapter();
$table = $adapter->newTable($tableName);
$table->addColumn(
'entity_id',
Table::TYPE_INTEGER,
10,
['unsigned' => true, 'nullable' => false, 'primary' => true],
'Entity ID'
);
$searchableFields = [];
foreach ($fields as $field) {
if ($field['type'] === 'searchable') {
$searchableFields[] = $field['name'];
}
$columnMap = isset($field['dataType']) && isset($this->columnTypesMap[$field['dataType']])
? $this->columnTypesMap[$field['dataType']]
: ['type' => $field['dataType'], 'size' => isset($field['size']) ? $field['size'] : null];
$name = $field['name'];
$type = $columnMap['type'];
$size = $columnMap['size'];
if ($field['type'] === 'filterable') {
$table->addIndex(
$this->resource->getIdxName($tableName, $name, AdapterInterface::INDEX_TYPE_INDEX),
$name,
['type' => AdapterInterface::INDEX_TYPE_INDEX]
);
}
$table->addColumn($name, $type, $size);
}
$table->addIndex(
$this->resource->getIdxName(
$tableName,
$searchableFields,
AdapterInterface::INDEX_TYPE_FULLTEXT
),
$searchableFields,
['type' => AdapterInterface::INDEX_TYPE_FULLTEXT]
);
$adapter->createTable($table);
}
/**
* @return false|AdapterInterface
*/
private function getAdapter()
{
$adapter = $this->resource->getConnection('write');
return $adapter;
}
}