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<?php
/**
* Convertor adapter, which is extended by other classes.
*
* @package twitter-api-v2
*/
namespace TwitterFeed\V2;
// Don't load directly.
if (! defined('ABSPATH')) {
die('-1');
}
/**
* Adapter class.
*/
class Adapter {
/**
* Get mapped fields. Override on subclasses.
*
* @return array
*/
public function getMappedFields()
{
return [];
}
/**
* Get nested field from nested field names.
*
* @param string $field Field.
* @param array $nested_field_names Nested field names.
*
* @return array
*/
public function getNestedFieldValue($field, $nested_field_names)
{
if (is_string($nested_field_names)) {
return isset($field[ $nested_field_names ]) ? $field[ $nested_field_names ] : null;
}
foreach ($nested_field_names as $nested_field_name) {
$field = $field[ $nested_field_name ];
}
return $field;
}
/**
* Convert entity.
*
* @param array $entity Entity.
*
* @return array
*/
public function convert($entity)
{
$converted_entity = $entity;
foreach ($this->getMappedFields() as $field_v1 => $field_v2) {
$converted_entity[ $field_v1 ] = $this->getNestedFieldValue($entity, $field_v2);
}
return $converted_entity;
}
}