Method storeProduct

public static function storeProduct($data, $importColumn = 1)
{
    // Store
    $table = Table::getInstance('PhocaCartItem', 'Table', array());
    $newInsertOldId = 0;
    if ($importColumn == 2) {
        // SKU
        if (isset($data['sku']) && $data['sku'] != '') {
            $found = $table->load(array('sku' => $data['sku']));
            // Such id is found, but we store by SKU - we need to unset it to get new created by autoincrement
            if ($found) {
                $data['id'] = $table->id;
            } else {
                // New row
                //unset($data['id']); store the same ID for importing product if possible
                // unfortunately this is not possible per standard way
                // We didn't find the row by SKU, but we have the ID, so we try to update by ID
                // If we don't find the ID (so no SKU, no ID), insert new row
                // We try to add current ID (it does not exist), not new autoincrement
                $found2 = $table->load((int) $data['id']);
                if (!$found2) {
                    $newInsertOldId = 1;
                }
            }
        }
    } else {
        // ID
        if (isset($data['id']) && (int) $data['id'] > 0) {
            $found = $table->load((int) $data['id']);
            // Such id not found, we need to unset it to get new created by autoincrement
            if (!$found) {
                // New row
                //unset($data['id']);  store the same ID for importing product if possible
                // unfortunately this is not possible per standard way
                $newInsertOldId = 1;
            }
        }
    }
    if (!$table->bind($data)) {
        throw new Exception($table->getError());
        return false;
    }
    if (intval($table->date) == 0) {
        $table->date = Factory::getDate()->toSql();
    }
    if (!$table->check()) {
        throw new Exception($table->getError());
        return false;
    }
    if ($newInsertOldId == 1) {
        // The imported ID does not exist, we need to add new row, but we try to use the same ID
        // even the ID is autoincrement (this is why we use non standard method) because
        // standard method cannot add IDs into autoincrement
        $db = Factory::getDBO();
        if (!$db->insertObject('#__phocacart_products', $table, 'id')) {
            throw new Exception($table->getError());
            return false;
        }
    } else {
        if (!$table->store()) {
            throw new Exception($table->getError());
            return false;
        }
    }
    // Test Thumbnails (Create if not exists)
    if ($table->image != '') {
        $thumb = PhocacartFileThumbnail::getOrCreateThumbnail($table->image, '', 1, 1, 1, 0, 'productimage');
    }
    if ((int) $table->id > 0) {
        if (!isset($data['catid_multiple'])) {
            $data['catid_multiple'] = array();
        }
        if (!isset($data['catid_multiple_ordering'])) {
            $data['catid_multiple_ordering'] = array();
        }
        PhocacartCategoryMultiple::storeCategories($data['catid_multiple'], (int) $table->id, $data['catid_multiple_ordering']);
        if (isset($data['featured'])) {
            PhocacartProduct::featured((int) $table->id, $data['featured']);
        }
        $dataRelated = '';
        if (!isset($data['related'])) {
            $dataRelated = '';
        } else {
            $dataRelated = $data['related'];
            if (is_array($data['related']) && isset($data['related'][0])) {
                $dataRelated = $data['related'][0];
            }
        }
        $advancedStockOptions = '';
        if (!isset($data['advanced_stock_options'])) {
            $advancedStockOptions = '';
        } else {
            $advancedStockOptions = $data['advanced_stock_options'];
            if (is_array($data['advanced_stock_options']) && isset($data['advanced_stock_options'][0])) {
                $advancedStockOptions = $data['advanced_stock_options'][0];
            }
        }
        $additionalDownloadFiles = '';
        if (!isset($data['additional_download_files'])) {
            $additionalDownloadFiles = '';
        } else {
            $additionalDownloadFiles = $data['additional_download_files'];
        }
        PhocacartRelated::storeRelatedItemsById($dataRelated, (int) $table->id);
        PhocacartImageAdditional::storeImagesByProductId((int) $table->id, $data['images']);
        PhocacartAttribute::storeAttributesById((int) $table->id, $data['attributes']);
        PhocacartAttribute::storeCombinationsById((int) $table->id, $advancedStockOptions);
        PhocacartSpecification::storeSpecificationsById((int) $table->id, $data['specifications']);
        PhocacartDiscountProduct::storeDiscountsById((int) $table->id, $data['discounts']);
        PhocacartFileAdditional::storeProductFilesByProductId((int) $table->id, $additionalDownloadFiles);
        PhocacartTag::storeTags($data['tags'], (int) $table->id);
        PhocacartTag::storeTagLabels($data['taglabels'], (int) $table->id);
        // PARAMETERS
        $parameters = PhocacartParameter::getAllParameters();
        if (!empty($parameters)) {
            foreach ($parameters as $kP => $vP) {
                if (isset($vP->id) && (int) $vP->id > 0) {
                    $idP = (int) $vP->id;
                    if (!empty($data['items_parameter'][$idP])) {
                        PhocacartParameter::storeParameterValues($data['items_parameter'][$idP], (int) $table->id, $idP);
                    } else {
                        PhocacartParameter::storeParameterValues(array(), (int) $table->id, $idP);
                    }
                }
            }
        }
        PhocacartGroup::storeProductPriceGroupsById($data['price_groups'], (int) $table->id);
        PhocacartGroup::storeProductPointGroupsById($data['point_groups'], (int) $table->id);
        PhocacartGroup::storeGroupsById((int) $table->id, 3, $data['groups']);
        PhocacartPriceHistory::storePriceHistoryCustomById($data['price_histories'], (int) $table->id);
        PhocacartGroup::updateGroupProductPriceById((int) $table->id, $data['price']);
        PhocacartGroup::updateGroupProductRewardPointsById((int) $table->id, $data['points_received']);
        return $table->id;
    }
    return false;
}