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<?php
namespace Falang\Database;
use Joomla\CMS\Factory;
use Joomla\Database\DatabaseIterator;
use Joomla\Database\FetchMode;
use Joomla\Database\StatementInterface;
use Joomla\CMS\Component\ComponentHelper;
require_once(JPATH_SITE . '/components/com_falang/helpers/falang.class.php');
class FDatabaseIterator extends DatabaseIterator implements \Countable, \Iterator
{
/**
* The class of object to create.
*
* @var string
* @since 1.0
*/
protected $class;
/**
* The name of the column to use for the key of the database record.
*
* @var mixed
* @since 1.0
*/
private $column;
/**
* The current database record.
*
* @var mixed
* @since 1.0
*/
private $current;
/**
* A numeric or string key for the current database record.
*
* @var scalar
* @since 1.0
*/
private $key;
/**
* The number of fetched records.
*
* @var integer
* @since 1.0
*/
private $fetched = 0;
/**
* array use to store the original data
*
* @var array
* @since 1.0
*/
private $result;
private $reftable;
private $current_language_tag;
private $default_language_tag;
/**
* Database iterator constructor.
*
* @param StatementInterface $statement The statement holding the result set to iterate.
* @param string $column An option column to use as the iterator key.
* @param string $class The class of object that is returned.
*
* @throws \InvalidArgumentException
* @since 1.0
*/
public function __construct(StatementInterface $statement, $column = null, $class = \stdClass::class)
{
if (!class_exists($class))
{
throw new \InvalidArgumentException(sprintf('new %s(*%s*, cursor)', \get_class($this), \gettype($class)));
}
if ($statement)
{
$fetchMode = $class === \stdClass::class ? FetchMode::STANDARD_OBJECT : FetchMode::CUSTOM_OBJECT;
// PDO doesn't allow extra arguments for \PDO::FETCH_CLASS, so only forward the class for the custom object mode
if ($fetchMode === FetchMode::STANDARD_OBJECT)
{
$statement->setFetchMode($fetchMode);
}
else
{
$statement->setFetchMode($fetchMode, $class);
}
}
$this->statement = $statement;
$this->class = $class;
$this->column = $column;
$this->fetched = 0;
$i = 0;
$row_count = $this->statement->rowCount();
for ($i = 0; $i < $row_count; $i++) {
$this->getElement();
$this->result[$i] = $this->current;
}
$this->key = 0;
$this->fetched = 1;
$this->reftable = Factory::getDbo()->getRefTables();
$this->current_language_tag = Factory::getLanguage()->getTag();
$this->default_language_tag = ComponentHelper::getParams('com_languages')->get('site', 'en-GB');
}
/**
* Moves forward to the next result from the SQL query.
* and store it in the cached result
*
* @return void
*
* @since 1.0
*/
public function getElement()
{
// Set the default key as being the number of fetched object
$this->key = $this->fetched;
// Try to get an object
$this->current = $this->fetchObject();
// If an object has been found
if ($this->current)
{
// Set the key as being the indexed column (if it exists)
if ($this->column && isset($this->current->{$this->column}))
{
$this->key = $this->current->{$this->column};
}
// Update the number of fetched object
$this->fetched++;
}
}
/**
* move the key only to simulate the normal iterator
*
* @return void
*
* @since 1.0
*/
public function next()
{
$this->key = $this->fetched;
$this->fetched++;
}
public function current() {
$current = $this->result[$this->key];
//get translated content for non default language
if ($this->current_language_tag != $this->default_language_tag){
//rows supposed to be an array
$rows = array(0 => $current);
\Falang::translateList($rows, $this->current_language_tag, $this->reftable);
}
$this->key = $this->key + 1;
return $current;
}
/**
* Checks if the current position of the iterator is valid.
*
* @return boolean
*
* @see Iterator::valid()
* @since 1.0
*/
public function valid()
{
return isset($this->result[$this->key]);
}
}