Алиса

// Expanded rating
            $this->load->model('catalog/review');
            $review_total = $this->model_catalog_review->getTotalReviewsByProductId($this->request->get['product_id']);
            $estimations = $this->model_catalog_review->getReviewsByProductId($this->request->get['product_id']);

            $one = 0;
            $two = 0;
            $three = 0;
            $four = 0;
            $five = 0;
            $rating_sum = 0;

            foreach ($estimations as $estimation){
                ($estimation['rating'] == '1') && $one++;
                ($estimation['rating'] == '2') && $two++;
                ($estimation['rating'] == '3') && $three++;
                ($estimation['rating'] == '4') && $four++;
                ($estimation['rating'] == '5') && $five++;

                $rating_sum += $estimation['rating'];
            }

            $data['expanded_rating'][] = array(
                'one' => round((100/$review_total) * $one),
                'two' => round((100/$review_total) * $two),
                'three' => round((100/$review_total) * $three),
                'four' => round((100/$review_total) * $four),
                'five' => round((100/$review_total) * $five),
                'rating' => round($rating_sum / $review_total, 1),
                'total' => $review_total
            );

catalog/view/theme/default/template/product/product.twig

<p>{% for i in 1..5 %}
              {% if rating < i %}<span class="fa fa-stack"><i class="fa fa-star-o fa-stack-1x"></i></span>{% else %}<span class="fa fa-stack"><i class="fa fa-star fa-stack-1x"></i><i class="fa fa-star-o fa-stack-1x"></i></span>{% endif %}
              {% endfor %} <a href="" onclick="$('a[href=\'#tab-review\']').trigger('click'); return false;">{{ reviews }}</a> / <a href="" onclick="$('a[href=\'#tab-review\']').trigger('click'); return false;">{{ text_write }}</a></p>
            <hr>

{% for rating in expanded_rating %}
                  <p>1 - {{ rating.one }}%</p>
                  <p>2 - {{ rating.two }}%</p>
                  <p>3 - {{ rating.three }}%</p>
                  <p>4 - {{ rating.four }}%</p>
                  <p>5 - {{ rating.five }}%</p>
                  <h3>Общий рейтинг - {{ rating.rating }}</h3>
                  <p>На основании {{ rating.total }} отзывов</p>
              {% endfor %}
              <hr>

if (isset($this->request->get['product_id'])){
            $data['is_product_page'] =  'Страница продукта с ID - ' . $this->request->get['product_id'];
        }

catalog/view/theme/default/template/common/header.(twig/tpl)

для продукта есть обязательное поле Артикул.

Смотрел в admin/controller но там ничего!

if ((utf8_strlen($this->request->post['model']) < 1) || (utf8_strlen($this->request->post['model']) > 64)) {
			$this->error['model'] = $this->language->get('error_model');
		}

<div class="form-group required">
                <label class="col-sm-2 control-label" for="input-model">{{ entry_model }}</label>
                <div class="col-sm-10">
                  <input type="text" name="model" value="{{ model }}" placeholder="{{ entry_model }}" id="input-model" class="form-control"/>
                  {% if error_model %}
                    <div class="text-danger">{{ error_model }}</div>
                  {% endif %}</div>
              </div>

$data['orders'][] = array(
				'order_id'   => $result['order_id'],
				'name'       => $result['firstname'] . ' ' . $result['lastname'],
				'status'     => $result['status'],
				'date_added' => date($this->language->get('date_format_short'), strtotime($result['date_added'])),
				'products'   => ($product_total + $voucher_total),
				'total'      => $this->currency->format($result['total'], $result['currency_code'], $result['currency_value']),
				'view'       => $this->url->link('account/order/info', 'order_id=' . $result['order_id'], true),
			);

$totals = $this->model_account_order->getOrderTotals($result['order_id']);

            foreach ($totals as $total) {
                if($total['code'] == 'shipping'){
                    $data['shipping'] = array(
                        'title' => $total['title'],
                        'value'  => $total['value'],
                    );
                }
            }

$this->response->setOutput($this->load->view('common/home', $data));

$data['search'] = $this->load->controller('common/search');
$data['menu'] = $this->load->controller('common/menu');

catalog/view/theme/default/template/information/contact.twig

<div class="form-group{% if option.required %} required {% endif %}">
            <label class="control-label">{{ option.name }}</label>
            <button type="button" id="button-upload{{ option.product_option_id }}" data-loading-text="{{ text_loading }}" class="btn btn-default btn-block"><i class="fa fa-upload"></i> {{ button_upload }}</button>
            <input type="hidden" name="option[{{ option.product_option_id }}]" value="" id="input-option{{ option.product_option_id }}" />
          </div>

$('button[id^=\'button-upload\']').on('click', function() {
    var node = this;

    $('#form-upload').remove();

    $('body').prepend('<form enctype="multipart/form-data" id="form-upload" style="display: none;"><input type="file" name="file" /></form>');

    $('#form-upload input[name=\'file\']').trigger('click');

    if (typeof timer != 'undefined') {
      clearInterval(timer);
    }

    timer = setInterval(function() {
      if ($('#form-upload input[name=\'file\']').val() != '') {
        clearInterval(timer);

        $.ajax({
          url: 'index.php?route=tool/upload',
          type: 'post',
          dataType: 'json',
          data: new FormData($('#form-upload')[0]),
          cache: false,
          contentType: false,
          processData: false,
          beforeSend: function() {
            $(node).button('loading');
          },
          complete: function() {
            $(node).button('reset');
          },
          success: function(json) {
            $('.text-danger').remove();

            if (json['error']) {
              $(node).parent().find('input').after('<div class="text-danger">' + json['error'] + '</div>');
            }

            if (json['success']) {
              alert(json['success']);

              $(node).parent().find('input').val(json['code']);
            }
          },
          error: function(xhr, ajaxOptions, thrownError) {
            alert(thrownError + "\r\n" + xhr.statusText + "\r\n" + xhr.responseText);
          }
        });
      }
    }, 500);
  });