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<?php declare(strict_types=1);
namespace Wbm\TagManagerEcomm\Services;
use Doctrine\DBAL\Connection;
use Twig\Environment;
class DataLayerRenderer implements DataLayerRendererInterface
{
const STRING_VALUES = [
'name',
'id',
'brand',
'category',
];
/**
* @var Environment
*/
private $twig;
/**
* @var Connection
*/
private $connection;
/**
* @var array
*/
private $variables = [];
/**
* @var array
*/
private $dataLayer = [];
public function __construct(
Environment $twig,
Connection $connection
)
{
$this->twig = clone $twig;
$this->connection = $connection;
}
public function renderDataLayer(string $route): DataLayerRendererInterface
{
$properties = $this->getChildrenList(null, $route);
$dataLayer = $this->fillValues($properties);
try {
$template = $this->twig->createTemplate($dataLayer);
$dataLayer = $template->render($this->getVariables($route));
$dataLayer = preg_replace('/[[:cntrl:]]/', '', $dataLayer);
$dataLayer = json_decode($dataLayer, true);
if (json_last_error() > 0) {
throw new \Exception(json_last_error_msg(), 1620985321);
}
if (!empty($dataLayer)) {
array_walk_recursive($dataLayer, [$this, 'castArrayValues']);
}
} catch (\Exception $e) {
$dataLayer = [];
$dataLayer['default'] = json_encode(['error' => $e->getMessage()]);
}
if (!empty($dataLayer['default'])) {
if (!empty($dataLayer['onEvent']) && !empty($dataLayer['default']['event'])) {
unset($dataLayer['default']['event']);
}
$this->dataLayer[$route]['default'] = json_encode($dataLayer['default']);
}
if (!empty($dataLayer['onEvent'])) {
$dataLayer['onEvent']['event'] = $dataLayer['onEvent']['event'] ?? ucfirst(array_key_first($dataLayer['onEvent'])) . 'Push';
$this->dataLayer[$route]['onEvent'] = json_encode($dataLayer['onEvent']);
}
return $this;
}
public function getVariables(string $route): array
{
return $this->variables[$route];
}
public function setVariables(string $route, $variables): DataLayerRendererInterface
{
$this->variables[$route] = $variables;
return $this;
}
public function getDataLayer($route): ?array
{
return $this->dataLayer[$route] ?? null;
}
public function fillValues(array $dataLayer): string
{
$dataLayer = json_encode($dataLayer);
$search = [',{"endArrayOf":true}'];
$replace = ['{% endverbatim %}{% if not loop.last %},{% endif %}{% endfor %}{% verbatim %}'];
$dataLayer = str_replace($search, $replace, $dataLayer);
while (preg_match('/({"startArrayOf":".*?"},)/i', $dataLayer, $matches)) {
foreach ($matches as $match) {
$foreachObj = json_decode(rtrim($match, ','));
if ($foreachObj->startArrayOf) {
$arguments = explode(' in ', $foreachObj->startArrayOf);
$dataLayer = str_replace(
$match,
'{% endverbatim %}{% for ' . @$arguments[0] . ' in ' . @$arguments[1] . ' %}{% verbatim %}',
$dataLayer
);
}
}
}
$dataLayer = '{% verbatim %}' . $dataLayer . '{% endverbatim %}';
return $dataLayer;
}
public function getChildrenList($id = null, $module = null): array
{
$qb = $this->connection->createQueryBuilder();
$qb->from('wbm_data_layer_properties', 'property');
if ($id !== null) {
$qb->where('property.parent_id = :parentId')
->setParameter(':parentId', $id);
} else {
$qb->where('property.parent_id IS NULL');
}
$qb->andWhere('property.module = :moduleName')
->setParameter(':moduleName', $module);
$qb->select(
[
'property.name',
'property.value',
'property.id',
'property.child_count',
'property.on_event',
'property.event_name',
'property.parent_id',
]
);
$properties = $qb->execute()->fetchAll(\PDO::FETCH_ASSOC);
$namedProperties = [];
foreach ($properties as $key => &$property) {
$root = ($property['parent_id'] === null);
$onEvent = ($property['on_event'] === '1');
$eventName = trim($property['event_name']);
$subProperties = null;
if ((int)$property['child_count'] > 0) {
$subProperties = $this->getChildrenList($property['id'], $module);
}
$value = $property['value'];
$name = $property['name'];
unset(
$property['name'],
$property['value'],
$property['id'],
$property['child_count'],
$property['on_event'],
$property['event_name'],
$property['parent_id']
);
if (!empty($subProperties)) {
if (empty($value)) {
$property = $subProperties;
} else {
$property = [
['startArrayOf' => $value],
$subProperties,
['endArrayOf' => true],
];
}
} else {
$property = '{% endverbatim %}' . $value . '{% verbatim %}';
}
if ($root) {
$key = ($onEvent ? 'onEvent' : 'default');
if ($key === 'onEvent' && !empty($eventName)) {
$namedProperties[$key]['event'] = $eventName;
}
$namedProperties[$key][$name] = $property;
} else {
$namedProperties[$name] = $property;
}
}
return $namedProperties;
}
private function castArrayValues(&$value, $key): void
{
if (in_array($key, self::STRING_VALUES, true)) {
return;
}
if (preg_match('/^\"(.*)\"$/', $value)) {
$value = json_decode($value);
return;
}
switch (true) {
case is_array(json_decode($value)):
case is_int(json_decode($value)):
case is_float(json_decode($value)):
case is_bool(json_decode($value)):
$value = json_decode($value);
}
}
}

custom/plugins/WbmTagManagerEcomm/src/Services/DataLayerRenderer.php line 46