DigiSpot

<?php
class ProductController extends ProductControllerCore
{
    public function initContent()
    {
        parent::initContent(); // Always call the parent function

        $productId = (int)Tools::getValue('id_product');
        $query = new DbQuery();
        $query->select('onskroutzop');
        $query->from('product');
        $query->where('id_product = ' . $productId);
        $onskroutzop = Db::getInstance()->getValue($query);
        $this->context->smarty->assign('onskroutzop', $onskroutzop);
    }
}

Έπειτα το καλούμε στο tpl

<!-- tcp -->
	{if $onskroutzop == 0} 
		<span class="diathpost" id="red_tcp">Μη διαθέσιμο</span>
	{elseif $onskroutzop == 1}
		<span class="diathpost" id="purple_tcp">Αναμένεται</span>
	{elseif $onskroutzop == 2}
		<span class="diathpost" id="purple_tcp">Κατόπιν Παραγγελίας</span>	
	{elseif $onskroutzop == 3}
		<span class="diathpost" id="lightblue_tcp">Διαθέσιμο για Αποστολή ή Παραλαβή 5 έως 10 Εργάσιμες</span>
	{elseif $onskroutzop == 4}
		<span class="diathpost" id="lightblue_tcp">Διαθέσιμο για Αποστολή ή Παραλαβή 3 έως 5 Εργάσιμες</span>
	{elseif $onskroutzop == 5}
		<span class="diathpost" id="lightblue_tcp">Διαθέσιμο για Αποστολή ή Παραλαβή 1 έως 3 Εργάσιμες</span>
	{elseif $onskroutzop == 6}
		<span class="diathpost" id="lightgreen_tcp">Διαθέσιμο για Αποστολή</span>
	{elseif $onskroutzop == 7}
		<span class="diathpost" id="lightgreen_tcp">Άμεσα Διαθέσιμο</span>
	{else}
		<span class="diathpost" id="purple_tcp">Καλέστε για διαθεσιμότητα</span>
	{/if}	
<!-- tcp -->

ps_facelet_search/src/adapter/Mysql.php

foreach ($this->getFilters() as $filterName => $filterContent) {
            $selectAlias = 'p';
            if (array_key_exists($filterName, $filterToTableMapping)) {
                $joinMapping = $filterToTableMapping[$filterName];
                $selectAlias = $joinMapping['tableAlias'];
                $filterName = isset($joinMapping['fieldName']) ? $joinMapping['fieldName'] : $filterName;
            }

            foreach ($filterContent as $operator => $values) {
                if (count($values) == 1) {
                    $values = current($values);

                    if ($operator === '=') {
                        if (count($values) == 1) {
                            $whereConditions[] =
                                $selectAlias . '.' . $filterName . $operator . "'" . current($values) . "'";
                        } else {
                            $whereConditions[] =
                                $selectAlias . '.' . $filterName . ' IN (' . $this->getJoinedEscapedValue(', ', $values) . ')';
                        }
                    } else {
                        $orConditions = [];
                        foreach ($values as $value) {
                            $orConditions[] = $selectAlias . '.' . $filterName . $operator . $value;
                        }
                        $whereConditions[] = implode(' OR ', $orConditions);
                    }
							//tcp
		$whereConditions[] = 'sa.quantity > 0'; 
                }
            }
        }

ps_facelet_search/src/filters/Products.php

public function getProductByFilters(
    ProductSearchQuery $query,
    array $selectedFilters = []
) {
    // Load sorting type and direction, validate it and apply fallback if needed
    $orderBy = $query->getSortOrder()->toLegacyOrderBy(false);
    $orderWay = $query->getSortOrder()->toLegacyOrderWay();
    $orderWay = Validate::isOrderWay($orderWay) ? $orderWay : 'ASC';
    $orderBy = Validate::isOrderBy($orderBy) ? $orderBy : 'position';

    // Apply it to the filter
    $this->searchAdapter->setOrderField($orderBy);
    $this->searchAdapter->setOrderDirection($orderWay);

    // Add stock filter to ensure only products in stock are returned
    $this->searchAdapter->addOperationsFilter(
        'in_stock_filter',
        [
            [
                ['quantity', [0], '>'], // Only include products with quantity > 0
            ],
        ]
    );

    $this->searchAdapter->addGroupBy('id_product');
    if (isset($selectedFilters['price']) || $orderBy === 'price') {
        $this->searchAdapter->addSelectField('id_product');
        $this->searchAdapter->addSelectField('price');
        $this->searchAdapter->addSelectField('price_min');
        $this->searchAdapter->addSelectField('price_max');
    }

    // Get full list of matching products
    $fullProductList = $this->searchAdapter->execute();

    // Count them
    $totalProductCount = count($fullProductList);

    // Get pagination
    $productsPerPage = (int) $query->getResultsPerPage();
    $page = (int) $query->getPage();

    // Cut them down by pagination
    $finalProductList = array_slice(
        $fullProductList,
        ($page - 1) * $productsPerPage,
        $productsPerPage
    );

    // And run post filter
    $this->pricePostFiltering($finalProductList, $selectedFilters);

    return [
        'products' => $finalProductList,
        'count' => $totalProductCount,
    ];
}

ps_facelet_search/src/filters/block.php

private function getAttributesBlock($filter, $selectedFilters, $idLang)
{
    $attributesBlock = [];
    $filteredSearchAdapter = null;
    $idAttributeGroup = $filter['id_value'];

    if (!empty($selectedFilters['id_attribute_group'])) {
        foreach ($selectedFilters['id_attribute_group'] as $key => $selectedFilter) {
            if ($key == $idAttributeGroup) {
                $filteredSearchAdapter = $this->searchAdapter->getFilteredSearchAdapter('with_attributes_' . $idAttributeGroup);
                break;
            }
        }
    }

    if (!$filteredSearchAdapter) {
        $filteredSearchAdapter = $this->searchAdapter->getFilteredSearchAdapter();
    }

    // Add a global filter to include only in-stock products
    $filteredSearchAdapter->addOperationsFilter(
        'in_stock_filter',
        [
            [
                ['quantity', [0], '>'], // Filter only products with quantity > 0
            ],
        ]
    );

    $attributesGroup = $this->dataAccessor->getAttributesGroups($idLang);
    if ($attributesGroup === []) {
        return $attributesBlock;
    }

    $attributes = $this->dataAccessor->getAttributes($idLang, $idAttributeGroup);

    $filteredSearchAdapter->addOperationsFilter(
        'id_attribute_group_' . $idAttributeGroup,
        [[['id_attribute_group', [(int) $idAttributeGroup]]]]
    );

    $results = $filteredSearchAdapter->valueCount('id_attribute');
    foreach ($results as $key => $values) {
        $idAttribute = $values['id_attribute'];
        if (!isset($attributes[$idAttribute])) {
            continue;
        }

        $count = $values['c'];
        $attribute = $attributes[$idAttribute];
        $idAttributeGroup = $attribute['id_attribute_group'];
        if (!isset($attributesBlock[$idAttributeGroup])) {
            $attributeGroup = $attributesGroup[$idAttributeGroup];

            $attributesBlock[$idAttributeGroup] = [
                'type_lite' => 'id_attribute_group',
                'type' => 'id_attribute_group',
                'id_key' => $idAttributeGroup,
                'name' => $attributeGroup['attribute_group_name'],
                'is_color_group' => (bool) $attributeGroup['is_color_group'],
                'values' => [],
                'url_name' => $attributeGroup['url_name'],
                'meta_title' => $attributeGroup['meta_title'],
                'filter_show_limit' => (int) $filter['filter_show_limit'],
                'filter_type' => $filter['filter_type'],
            ];
        }

        $attributesBlock[$idAttributeGroup]['values'][$idAttribute] = [
            'name' => $attribute['name'],
            'nbr' => $count,
            'url_name' => $attribute['url_name'],
            'meta_title' => $attribute['meta_title'],
        ];

        if ($attributesBlock[$idAttributeGroup]['is_color_group'] !== false) {
            $attributesBlock[$idAttributeGroup]['values'][$idAttribute]['color'] = $attribute['color'];
        }

        if (array_key_exists('id_attribute_group', $selectedFilters)) {
            foreach ($selectedFilters['id_attribute_group'] as $selectedAttribute) {
                if (in_array($idAttribute, $selectedAttribute)) {
                    $attributesBlock[$idAttributeGroup]['values'][$idAttribute]['checked'] = true;
                }
            }
        }
    }

    foreach ($attributesBlock as $idAttributeGroup => $value) {
        $attributesBlock[$idAttributeGroup]['values'] = $this->sortByKey($attributes, $value['values']);
    }

    $attributesBlock = $this->sortByKey($attributesGroup, $attributesBlock);

    return $attributesBlock;
}