private function addCategories()
{
$categories_names = [];
foreach ($this->products_data as $product) {
if ($product['category']) {
$categories_names[] = $product['category'];
}
}
$categories_names = array_unique($categories_names);
$category_array = OrganizationsCategories::getKeyNameArray($categories_names, $this->organization);
return $category_array;
}
