Breadcrumb Smart
Termékoldalon

<?php
class ControllerJournal3BreadcrumbSmart extends Controller {

    // -------------------------------------------------------
    // Kizárt kategória ID-k – soha nem kerülnek az útvonalba.
    // -------------------------------------------------------
    private $excluded_category_ids = [
        // 99,   // Akciós termékek
        // 100,  // Újdonságok
    ];

    public function index($settings) {
        $this->load->model('catalog/product');
        $this->load->model('catalog/category');
        $this->load->model('tool/image');

        $product_id = isset($this->request->get['product_id'])
            ? (int)$this->request->get['product_id'] : 0;

        if (!$product_id) {
            return '';
        }

        $categories = $this->model_catalog_product->getCategories($product_id);

        if (!$categories) {
            return '';
        }

        $best_path = [];

        foreach ($categories as $category) {
            $cat_id = (int)$category['category_id'];

            if (in_array($cat_id, $this->excluded_category_ids)) {
                continue;
            }

            $path = [];
            $id   = $cat_id;

            while ($id) {
                $cat_info = $this->model_catalog_category->getCategory($id);
                if (!$cat_info) break;
                array_unshift($path, ['id' => $id, 'name' => $cat_info['name']]);
                $id = (int)$cat_info['parent_id'];
            }

            if (count($path) > count($best_path)) {
                $best_path = $path;
            }
        }

        if (!$best_path) {
            return '';
        }

        $product_info = $this->model_catalog_product->getProduct($product_id);
        $path_ids     = array_column($best_path, 'id');

        $breadcrumbs = [];

        $breadcrumbs[] = [
            'text' => $this->language->get('text_home'),
            'href' => $this->url->link('common/home'),
            'last' => false,
        ];

        foreach ($best_path as $i => $cat) {
            $breadcrumbs[] = [
                'text' => $cat['name'],
                'href' => $this->url->link('product/category',
                    'path=' . implode('_', array_slice($path_ids, 0, $i + 1))),
                'last' => false,
            ];
        }

        if ($product_info) {
            $breadcrumbs[] = [
                'text' => $product_info['name'],
                'href' => '',
                'last' => true,
            ];
        }

        return $this->load->view('journal3/breadcrumb_smart', ['breadcrumbs' => $breadcrumbs]);
    }
}

{% if breadcrumbs %}
<style>
.breadcrumb-smart { display:flex; list-style:none; padding:8px 0; margin:0; gap:4px; font-size:13px; flex-wrap:wrap; }
.breadcrumb-smart li + li::before { content:'/'; color:#999; margin-right:4px; }
.breadcrumb-smart a { color:#696973; text-decoration:none; }
.breadcrumb-smart li.active { color:#333; }
</style>
<ul class="breadcrumb-smart">
  {% for crumb in breadcrumbs %}
    <li class="{% if crumb.last %}active{% endif %}">
      {% if crumb.href %}
        <a href="{{ crumb.href }}">{{ crumb.text }}</a>
      {% else %}
        {{ crumb.text }}
      {% endif %}
    </li>
  {% endfor %}
</ul>
{% endif %}

private $excluded_category_ids = [
    99,   // Akciós termékek
    142,  // Kiemelt termékek
    // további ID-k...
];

.breadcrumb-smart {
  font-size: 13px;      /* betűméret */
  gap: 4px;             /* elemek közötti rés */
  padding: 8px 0;       /* belső margó */
}

.breadcrumb-smart li + li::before {
  content: '/';         /* elválasztó: › / | stb. */
  color: #999;
}

.breadcrumb-smart a {
  color: #696973;       /* link szín */
}

.breadcrumb-smart li.active {
  color: #333;          /* aktuális oldal szín */
}