<?php
namespace MailPoetVendor\Doctrine\DBAL\Cache;
if (!defined('ABSPATH')) exit;
use ArrayIterator;
use MailPoetVendor\Doctrine\Common\Cache\Cache;
use MailPoetVendor\Doctrine\DBAL\Driver\Exception;
use MailPoetVendor\Doctrine\DBAL\Driver\FetchUtils;
use MailPoetVendor\Doctrine\DBAL\Driver\Result;
use MailPoetVendor\Doctrine\DBAL\Driver\ResultStatement;
use MailPoetVendor\Doctrine\DBAL\Driver\Statement;
use MailPoetVendor\Doctrine\DBAL\FetchMode;
use InvalidArgumentException;
use IteratorAggregate;
use PDO;
use ReturnTypeWillChange;
use function array_map;
use function array_merge;
use function array_values;
use function assert;
use function reset;
class ResultCacheStatement implements IteratorAggregate, ResultStatement, Result
{
private $resultCache;
private $cacheKey;
private $realKey;
private $lifetime;
private $statement;
private $data;
private $defaultFetchMode = FetchMode::MIXED;
public function __construct(ResultStatement $stmt, Cache $resultCache, $cacheKey, $realKey, $lifetime)
{
$this->statement = $stmt;
$this->resultCache = $resultCache;
$this->cacheKey = $cacheKey;
$this->realKey = $realKey;
$this->lifetime = $lifetime;
}
public function closeCursor()
{
$this->free();
return \true;
}
public function columnCount()
{
return $this->statement->columnCount();
}
public function setFetchMode($fetchMode, $arg2 = null, $arg3 = null)
{
$this->defaultFetchMode = $fetchMode;
return \true;
}
#[\ReturnTypeWillChange]
public function getIterator()
{
$data = $this->fetchAll();
return new ArrayIterator($data);
}
public function fetch($fetchMode = null, $cursorOrientation = PDO::FETCH_ORI_NEXT, $cursorOffset = 0)
{
if ($this->data === null) {
$this->data = [];
}
$row = $this->statement->fetch(FetchMode::ASSOCIATIVE);
if ($row) {
$this->data[] = $row;
$fetchMode = $fetchMode ?: $this->defaultFetchMode;
if ($fetchMode === FetchMode::ASSOCIATIVE) {
return $row;
}
if ($fetchMode === FetchMode::NUMERIC) {
return array_values($row);
}
if ($fetchMode === FetchMode::MIXED) {
return array_merge($row, array_values($row));
}
if ($fetchMode === FetchMode::COLUMN) {
return reset($row);
}
throw new InvalidArgumentException('Invalid fetch-style given for caching result.');
}
$this->saveToCache();
return \false;
}
public function fetchAll($fetchMode = null, $fetchArgument = null, $ctorArgs = null)
{
$data = $this->statement->fetchAll(FetchMode::ASSOCIATIVE, $fetchArgument, $ctorArgs);
$this->data = $data;
$this->saveToCache();
if ($fetchMode === FetchMode::NUMERIC) {
foreach ($data as $i => $row) {
$data[$i] = array_values($row);
}
} elseif ($fetchMode === FetchMode::MIXED) {
foreach ($data as $i => $row) {
$data[$i] = array_merge($row, array_values($row));
}
} elseif ($fetchMode === FetchMode::COLUMN) {
foreach ($data as $i => $row) {
$data[$i] = reset($row);
}
}
return $data;
}
public function fetchColumn($columnIndex = 0)
{
$row = $this->fetch(FetchMode::NUMERIC);
// TODO: verify that return false is the correct behavior
return $row[$columnIndex] ?? \false;
}
public function fetchNumeric()
{
$row = $this->doFetch();
if ($row === \false) {
return \false;
}
return array_values($row);
}
public function fetchAssociative()
{
return $this->doFetch();
}
public function fetchOne()
{
return FetchUtils::fetchOne($this);
}
public function fetchAllNumeric() : array
{
if ($this->statement instanceof Result) {
$data = $this->statement->fetchAllAssociative();
} else {
$data = $this->statement->fetchAll(FetchMode::ASSOCIATIVE);
}
$this->data = $data;
$this->saveToCache();
return array_map('array_values', $data);
}
public function fetchAllAssociative() : array
{
if ($this->statement instanceof Result) {
$data = $this->statement->fetchAllAssociative();
} else {
$data = $this->statement->fetchAll(FetchMode::ASSOCIATIVE);
}
$this->data = $data;
$this->saveToCache();
return $data;
}
public function fetchFirstColumn() : array
{
return FetchUtils::fetchFirstColumn($this);
}
public function rowCount()
{
assert($this->statement instanceof Statement);
return $this->statement->rowCount();
}
public function free() : void
{
$this->data = null;
}
private function doFetch()
{
if ($this->data === null) {
$this->data = [];
}
if ($this->statement instanceof Result) {
$row = $this->statement->fetchAssociative();
} else {
$row = $this->statement->fetch(FetchMode::ASSOCIATIVE);
}
if ($row !== \false) {
$this->data[] = $row;
return $row;
}
$this->saveToCache();
return \false;
}
private function saveToCache() : void
{
if ($this->data === null) {
return;
}
$data = $this->resultCache->fetch($this->cacheKey);
if (!$data) {
$data = [];
}
$data[$this->realKey] = $this->data;
$this->resultCache->save($this->cacheKey, $data, $this->lifetime);
}
}