编辑文件 - freelivery.php

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<?php

class Freelivery extends Module
{
    protected $remaining = array();

public function __construct()
    {
        $this->name = 'freelivery';
        $this->tab = 'shipping_logistics';
        $this->version = '2.1.3';
        $this->module_key = '8403c6db68ae5a36914216aa2fab26d2';
        $this->author = 'MARICHAL Emmanuel';

parent::__construct();

$this->displayName = $this->l('Free delivery');
        $this->description = $this->l('Free delivery based on cart amount/weight and zone.');

$this->need_instance = false;
        $this->bootstrap = true;

$this->id_lang = (int)$this->context->language->id;
        $this->iso_lang = Language::getIsoById($this->id_lang);

$this->addons_id = 7490;

$this->table_name = 'freelivery';

$this->ps_versions_compliancy = array('min' => '1.6', 'max' => _PS_VERSION_);
    }

public function install()
    {
        if (file_exists(_PS_OVERRIDE_DIR_.'/classes/Cart.php')) {
            @rename(_PS_OVERRIDE_DIR_.'/classes/Cart.php', _PS_OVERRIDE_DIR_.'/classes/'.mktime().'_Freelivery_Cart.php');
        }

@unlink(_PS_CACHE_DIR_.'class_index.php');

return $this->installDb()
            && copy(dirname(__FILE__).'/Cart.php', _PS_OVERRIDE_DIR_.'/classes/Cart.php')
            && parent::install()
            && $this->registerHook('updateCarrier')
            && $this->registerHook('displayShoppingCart')
            && $this->registerHook('actionCartListOverride')
            && $this->registerHook('displayHeader')
            && $this->registerHook('displayCheckoutSummaryTop')
            && $this->registerHook('actionCartSummary')
            && $this->registerHook('actionFrontControllerAfterInit')
            && $this->registerHook('actionAjaxDieCartControllerdisplayAjaxRefreshBefore');
    }

private function installDb()
    {
        return Db::getInstance()->Execute('
                CREATE TABLE IF NOT EXISTS `'._DB_PREFIX_.pSQL($this->table_name).'` (
                    `id` int(10) NOT NULL AUTO_INCREMENT,
                    `id_carrier` int(10) DEFAULT 0,
                    `id_zone` int(10) DEFAULT 0,
                    `min_weight` float DEFAULT 0,
                    `min_price` float DEFAULT 0,
                    `max_weight` float DEFAULT 0,
                    `max_price` float DEFAULT 0,
                    `shipping_handling` tinyint(1) NOT NULL DEFAULT 0,
                    PRIMARY KEY (`id`),
                    KEY `FZSZoneIndex` (`id_zone`),
                    KEY `FZSCarrierIndex` (`id_carrier`)
                ) ENGINE='._MYSQL_ENGINE_.' DEFAULT CHARSET=utf8 AUTO_INCREMENT=1;')
                && Db::getInstance()->Execute('
                    CREATE TABLE IF NOT EXISTS `'._DB_PREFIX_.pSQL($this->table_name).'_groups` (
                        `id_condition` int(10) NOT NULL,
                        `id_group` int(10) NOT NULL,
                        KEY `FREELIVERY_GROUPS` (`id_condition`, `id_group`)
                    ) ENGINE='._MYSQL_ENGINE_.' DEFAULT CHARSET=utf8');
    }

// Fix a stupid PrestaShop bug where a cart isn't invalidated when a carrier is edited/deleted.
    // Carts are still using the old carrier id and the customer can validate the order.
    // PrestaShop then selects the first valid/default carrier since the current carrier is deleted
    public function hookActionFrontControllerAfterInit($params) {
        $id_carrier = $this->context->cart->id_carrier;
        if ($id_carrier) {
            $query = new DbQuery();
            $query->select('checkout_session_data')->from('cart')->where('id_carrier = '.(int)$id_carrier);
            $session = json_decode(Db::getInstance(_PS_USE_SQL_SLAVE_)->getValue($query), true);
            if ($session && isset($session['checkout-delivery-step']) && $session['checkout-delivery-step']['step_is_complete']) {
                $carrier = new Carrier($id_carrier);
                if ((int)$carrier->deleted) {
                    $session['checkout-delivery-step']['step_is_complete'] = false;
                    $session['checkout-payment-step']['step_is_complete'] = false;
                    $session['checkout-payment-step']['step_is_reachable'] = false;
                    Db::getInstance()->execute(
                        'UPDATE '._DB_PREFIX_.'cart SET checkout_session_data = "'.pSQL(json_encode($session)).'"
                            WHERE id_cart = '.(int)$this->context->cart->id
                    );
                }
            }
        }
    }

public function hookUpdateCarrier($params)
    {
        Db::getInstance()->Execute('
            UPDATE ' . _DB_PREFIX_ . 'freelivery
            SET id_carrier = ' . (int)$params['carrier']->id . '
            WHERE id_carrier = ' . (int)$params['id_carrier']);
    }

public function hookDisplayHeader()
    {
        if (version_compare(_PS_VERSION_, 1.7, '>=')
            && $this->context->controller instanceof CartController
            && Configuration::get('FREELIVERY_REMAINING_AMOUNT')
        ) {
            $this->context->controller->addJS($this->_path.'views/js/cart_17.js');
        }
    }

public function hookActionCartSummary($summary)
    {
        return $this->updateSummaryDetails($summary);
    }

private static function extractFreeShippingDetails($summary, &$json)
    {
        $remaining_amount = !$summary['free_ship'] ? $summary['freelivery_remaining'] : 0;
        $json['freeShipping'] = Tools::displayPrice($remaining_amount);
        $json['freeShippingFloat'] = $remaining_amount;
        $json['free_ship'] = $remaining_amount > 0 ? false : true;
    }

public function hookActionAjaxDieCartControllerdisplayAjaxRefreshBefore($data)
    {
        $json = json_decode($data['value'], true);
        $summary = $data['cart']->getSummaryDetails();
        self::extractFreeShippingDetails($summary, $json);
        die(json_encode($json));
    }

public function hookActionCartListOverride($params)
    {
        $jsonTemp = Tools::jsonDecode($params['json'], true);
        self::extractFreeShippingDetails($params['summary']['summary'], $jsonTemp);
        $params['json'] = Tools::jsonEncode($jsonTemp, true);
    }

public function hookDisplayShoppingCart($params)
    {
        if ((int)Configuration::get('FREELIVERY_REMAINING_AMOUNT') == 0) {
            return;
        }

if (version_compare(_PS_VERSION_, 1.7, '<')) {
            return $this->displayShoppingCart16();
        } else {
            return $this->displayShoppingCart17($params);
        }
    }

public function hookDisplayCheckoutSummaryTop($params)
    {
        if ((int)Configuration::get('FREELIVERY_REMAINING_AMOUNT') == 0) {
            return;
        }

return $this->displayShoppingCart17($params);
    }

protected function displayShoppingCart17($params)
    {
        $summary = $params['cart']->getSummaryDetails();
        $this->context->smarty->assign(array(
            'isVirtualCart' => $summary['is_virtual_cart'],
            'freeliveryRemainingFloat' => $summary['freelivery_remaining'],
            'freeliveryRemaining' => Tools::displayPrice($summary['freelivery_remaining'])
        ));
        return $this->display(__FILE__, 'views/templates/hook/cart17.tpl');
    }

protected function displayShoppingCart16()
    {
        if (Tools::getValue('ajax')) {
            return;
        }

if (!Configuration::get('PS_ORDER_PROCESS_TYPE') && (!isset(Context::getContext()->controller->step) || Context::getContext()->controller->step > 0)) {
            return;
        }

return $this->display(__FILE__, 'views/templates/hook/cart.tpl');
    }

public function uninstall()
    {
        @rename(_PS_OVERRIDE_DIR_.'/classes/Cart.php', _PS_OVERRIDE_DIR_.'/classes/'.mktime().'_Freelivery_Cart.php');
        return parent::uninstall();
    }

protected function getIdZone($cart) {
        if (!$cart->isMultiAddressDelivery() && isset($cart->id_address_delivery) && $cart->id_address_delivery && Customer::customerHasAddress($cart->id_customer, $cart->id_address_delivery)) {
            return Address::getZoneById((int)$cart->id_address_delivery);
        } else {
            $default_country = new Country(Configuration::get('PS_COUNTRY_DEFAULT'), Configuration::get('PS_LANG_DEFAULT'));
            return (int)$default_country->id_zone;
        }
    }

// Préviously used in an override. Now used by hookActionCartSummary.
    public function updateSummaryDetails($summary)
    {
        if (!Module::isEnabled($this->name)) {
            return $summary;
        }

if (!isset(Context::getContext()->cart)) {
            return $summary;
        }

$ps_free_price = Tools::convertPrice(Configuration::get('PS_SHIPPING_FREE_PRICE'), Currency::getCurrencyInstance(Context::getContext()->cart->id_currency));

$total = $summary['total_products_wt'];
        if ((int)Configuration::get('FREELIVERY_CALCULATION_RULE')) {
            $total += $summary['total_discounts'];
        }

$ps_remaining = $ps_free_price - $total;
        $id_zone = $this->getIdZone(Context::getContext()->cart);
        $cart = Context::getContext()->cart;
        $id_carrier = (int)$cart->id_carrier;
        $cache_key = $id_carrier ? (int)$cart->id.'-'.(int)$id_carrier.'-'.(int)$id_zone : 'default';

$freelivery_remaining = isset($this->remaining['freelivery_remaining_'.$cache_key]) ? $this->remaining['freelivery_remaining_'.$cache_key] : false;

if ($summary['total_shipping'] == 0 || ($total >= $ps_free_price && $ps_free_price > 0)) {
            $summary['freelivery_remaining'] = 0;
        } elseif ($ps_remaining < $freelivery_remaining && $ps_free_price > 0) {
            $summary['freelivery_remaining'] = $ps_remaining;
        } else {
            $summary['freelivery_remaining'] = (float)$freelivery_remaining;
        }

$summary['free_ship'] = $summary['freelivery_remaining'] > 0 ? 0 : 1;

return $summary;
    }

public function getPackageShippingCost($cart, $id_carrier, $id_zone, $use_tax = true)
    {
        static $shipping_cost = array();

// Check if module is activated and that we have an id carrier available
        if (!Module::isEnabled('freelivery') || !$id_carrier) {
            return false;
        }

// Check if we have an id zone and gets one if not
        if (!$id_zone) {
            $id_zone = $this->getIdZone($cart);
            if (!$id_zone) {
                return false;
            }
        }

// Generate static cache key
        $cache_key = (int)$cart->id.'-'.(int)$id_carrier.'-'.(int)$id_zone;

// Check if static cache exists
        if (isset($shipping_cost[$cache_key])) {
            return $shipping_cost[$cache_key];
        }

$shipping_cost[$cache_key] = false;

// Get Total weight
        $total_weight = $cart->getTotalWeight();

$sql = '
             SELECT *
             FROM '._DB_PREFIX_.'freelivery f
             LEFT JOIN '._DB_PREFIX_.'freelivery_groups fg ON (fg.id_condition = f.id)
             WHERE f.id_zone = '.(int)$id_zone.'
             AND f.id_carrier = '.(int)$id_carrier.'
             AND (max_weight = 0 OR '.(float)$total_weight.' < max_weight)
             AND (min_weight = 0 OR '.(float)$total_weight.' >= min_weight)';

if ($cart->id_customer) {
            $groups = Customer::getGroupsStatic($cart->id_customer);

if (!empty($groups)) {
                $sql .= ' AND (fg.id_group IN('.implode(',', array_map('intval', $groups)).') OR fg.id_group IS NULL)';
            }
        }

$conditions = Db::getInstance()->ExecuteS($sql);

if ($conditions) {
            foreach ($conditions as $condition) {
                $without_taxes = (int)Configuration::get('FREELIVERY_WITHOUT_TAXES');

// Get Order total
                $order_total = $cart->getOrderTotal(!$without_taxes, Cart::ONLY_PRODUCTS);
                if ((int)Configuration::get('FREELIVERY_CALCULATION_RULE')) {
                    $order_total -= $cart->getOrderTotal(!$without_taxes, Cart::ONLY_DISCOUNTS);
                }

// Convert price with current currency
                $currency = Currency::getCurrencyInstance((int)($cart->id_currency));
                $max_price = Tools::convertPrice($condition['max_price'], $currency);
                $min_price = Tools::convertPrice($condition['min_price'], $currency);

$is_free = false;
                if ($min_price > 0 && $order_total >= $min_price) {
                    $is_free = true;
                }
                if ($max_price > 0 && $order_total > $max_price) {
                    $is_free = false;
                }

// Calculate if this order is eligible to free shipping with this carrier
                if ($is_free) {
                    $shipping_cost[$cache_key] = 0;
                    if ($condition['shipping_handling']) {
                        $shipping_cost[$cache_key] += Configuration::get('PS_SHIPPING_HANDLING');
                    }
                    if ((int)Configuration::get('FREELIVERY_ADDITIONAL_SHIPPING_COST')) {
                        $products = $cart->getProducts();
                        foreach ($products as $product) {
                            $shipping_cost[$cache_key] += (float)$product['additional_shipping_cost'] * $product['quantity'];
                        }
                    }
                    break; // We don't need to check the other rules
                }

// Calculate remaining amount to get free shipping
                if ($min_price > 0) {
                    if (!isset($this->remaining['freelivery_remaining_'.$cache_key])
                        || $min_price - $order_total < $this->remaining['freelivery_remaining_'.$cache_key]) {
                        $this->remaining['freelivery_remaining_'.$cache_key] = $min_price - $order_total;
                        if (!isset($this->remaining['freelivery_remaining_default'])
                            || $this->remaining['freelivery_remaining_'.$cache_key] < $this->remaining['freelivery_remaining_default']) {
                                $this->remaining['freelivery_remaining_default'] = $this->remaining['freelivery_remaining_'.$cache_key];
                            }
                    }
                }
            }
        }

if ($shipping_cost[$cache_key]) {
            $address = Address::initialize($cart->id_address_delivery);
            $carrier = new Carrier($id_carrier);
            $carrier_tax = (float)$carrier->getTaxesRate($address);
            if ($use_tax && $carrier_tax) {
                $shipping_cost[$cache_key] *= 1 + ($carrier_tax / 100);
                $shipping_cost[$cache_key] = (float)Tools::ps_round((float)$shipping_cost[$cache_key], (Currency::getCurrencyInstance((int)$cart->id_currency)->decimals * _PS_PRICE_DISPLAY_PRECISION_));
            }
        }

return $shipping_cost[$cache_key];
    }

private function saveSettings($calculation_rule, $remaining_amount, $additional_shipping_cost, $without_taxes)
    {
        if (Configuration::updateValue('FREELIVERY_CALCULATION_RULE', (int)$calculation_rule)
            && Configuration::updateValue('FREELIVERY_REMAINING_AMOUNT', (int)$remaining_amount)
            && Configuration::updateValue('FREELIVERY_WITHOUT_TAXES', (int)$without_taxes)
            && Configuration::updateValue('FREELIVERY_ADDITIONAL_SHIPPING_COST', (int)$additional_shipping_cost)) {
            return $this->displayConfirmation($this->l('Saved with success'));
        } else {
            return $this->displayError($this->l('An error occurred'));
        }
    }

private function addGroups($id_condition, $groups)
    {
        if (!is_array($groups) || empty($groups)) {
            $groups = array();
            foreach (Group::getGroups(Context::getContext()->language->id) as $group) {
                $groups[] = (int)$group['id_group'];
            }
            unset($group);
        }

if (empty($groups)) {
            return false;
        }

if (!Db::getInstance()->Execute(
               'DELETE FROM '._DB_PREFIX_.pSQL($this->table_name).'_groups
                WHERE id_condition = '.(int)$id_condition
            )) {
            return false;
        }

foreach ($groups as $group) {
            if (!Db::getInstance()->Execute('
                INSERT INTO '._DB_PREFIX_.pSQL($this->table_name).'_groups(id_condition, id_group)
                VALUES('.(int)$id_condition.', '.(int)$group.')')
            ) {
                return Db::getInstance()->Execute(
                   'DELETE FROM '._DB_PREFIX_.pSQL($this->table_name).'_groups
                    WHERE id_condition = '.(int)$id_condition
                );
            }
        }

return true;
    }

private function addCondition($carrier, $zone, $min_weight, $min_price, $max_weight, $max_price, $shipping_handling, $groups)
    {
        $min_price = str_replace(',', '.', $min_price);
        $max_price = str_replace(',', '.', $max_price);
        $min_weight = str_replace(',', '.', $min_weight);
        $max_weight = str_replace(',', '.', $max_weight);

if (!Validate::isPrice($min_price) || !Validate::isPrice($max_price)
            || !Validate::isUnsignedFloat($min_weight) || !Validate::isUnsignedFloat($max_weight)
            || (!$min_price && !$min_weight)
        ) {
            return $this->displayError($this->l('You must submit valid prices/weights'));
        }

if (($max_price && $max_price <= $min_price) || ($max_weight && $max_weight <= $min_weight)) {
            return $this->displayError($this->l('Max price/weight must be superior to min price/weight'));
        }

if (!$groups) {
            return $this->displayError($this->l('You need to select at least one group.'));
        }

if (Db::getInstance()->execute('
            INSERT INTO '._DB_PREFIX_.pSQL($this->table_name).' (id_carrier, id_zone, min_weight, min_price, max_weight, max_price, shipping_handling)
            VALUES('.(int)$carrier.', '.(int)$zone.', '.(float)$min_weight.', '.(float)$min_price.', '.(float)$max_weight.', '.(float)$max_price.', '.(int)$shipping_handling.')')) {
            $id_condition = Db::getInstance()->Insert_ID();
            if ($this->addGroups($id_condition, $groups)) {
                return $this->displayConfirmation($this->l('Rule added with success'));
            } else {
                $this->delCondition($id_condition);
            }
        }

return $this->displayError($this->l('An error occurred'));
    }

private function updateCondition($id_condition, $carrier, $zone, $min_weight, $min_price, $max_weight, $max_price, $shipping_handling, $groups)
    {
        $min_price = str_replace(',', '.', $min_price);
        $max_price = str_replace(',', '.', $max_price);
        $min_weight = str_replace(',', '.', $min_weight);
        $max_weight = str_replace(',', '.', $max_weight);

if (!$groups) {
            return $this->displayError($this->l('You need to select at least one group.'));
        }

if (Db::getInstance()->execute('
            UPDATE '._DB_PREFIX_.pSQL($this->table_name).'
            SET id_carrier = '.(int)$carrier.', id_zone = '.(int)$zone.',
            min_weight = '.(float)$min_weight.', min_price = '.(float)$min_price.',
            max_weight = '.(float)$max_weight.', max_price = '.(float)$max_price.',
            shipping_handling = '.(int)$shipping_handling.'
            WHERE id = '.(int)$id_condition)) {
            if ($this->addGroups($id_condition, $groups)) {
                return $this->displayConfirmation($this->l('Rule updated with success'));
            }
        }

return $this->displayError($this->l('An error occurred'));
    }

private function delCondition($id)
    {
        if (is_array($id)) {
            $id = implode(',', array_map('intval', $id));
        }

if (Db::getInstance()->execute('DELETE FROM '._DB_PREFIX_.pSQL($this->table_name).' WHERE id IN ('.pSQL($id).')')) {
            return $this->displayConfirmation($this->l('Rules(s) deleted with success'));
        } else {
            return $this->displayError($this->l('An error occurred'));
        }
    }

public function createTemplate($tpl_name)
    {
        return $this->context->smarty->createTemplate($this->context->smarty->getTemplateDir(0).$tpl_name, $this->context->smarty);
    }

public function getContent()
    {
        $this->context->controller->addJS($this->_path.'views/js/freelivery.js');
        $this->context->controller->addCSS($this->_path.'views/css/modules.css');

$html = '';

// Check if overrides are disabled
        if (Configuration::get('PS_DISABLE_OVERRIDES')) {
            $html .= $this->displayError($this->l('You need to activate overrides to use this module. Go to Advanced Settings > Performance to activate overrides.'));
        }

// Check if there is a global free shipping value in PS
        if (Configuration::get('PS_SHIPPING_FREE_PRICE') || Configuration::get('PS_SHIPPING_FREE_WEIGHT')) {
            $html .= $this->displayError($this->l('You have set a global free shipping value inside PrestaShop. This can lead to conflicts and we recommend you to only use this module to set free shipping on your shop.'));
        }

try {
            if (Tools::isSubmit('submitUpdateCondition') || Tools::isSubmit('submitAddCondition')) {
                if (Tools::isSubmit('submitUpdateCondition')) {
                    $html .= $this->updateCondition(
                        Tools::getValue('id_condition'),
                        Tools::getValue('id_carrier'),
                        Tools::getValue('id_zone'),
                        Tools::getValue('min_weight'),
                        Tools::getValue('min_price'),
                        Tools::getValue('max_weight'),
                        Tools::getValue('max_price'),
                        Tools::getValue('shipping_handling'),
                        Tools::getValue('groupBox')
                    );
                } else {
                    $html .= $this->addCondition(
                        Tools::getValue('id_carrier'),
                        Tools::getValue('id_zone'),
                        Tools::getValue('min_weight'),
                        Tools::getValue('min_price'),
                        Tools::getValue('max_weight'),
                        Tools::getValue('max_price'),
                        Tools::getValue('shipping_handling'),
                        Tools::getValue('groupBox')
                    );
                }
            }
        } catch (Exception $e) {
            $html .= $this->displayError($this->l('An error occurred'));
        }

if (Tools::isSubmit('submitSaveSettings')) {
            $html .= $this->saveSettings(
                Tools::getValue('calculation_rule'),
                Tools::getValue('remaining_amount'),
                Tools::getValue('additional_shipping_cost'),
                Tools::getValue('without_taxes')
            );
        }

if (Tools::isSubmit($this->table_name.'Box')) {
            $html .= $this->delCondition(Tools::getValue($this->table_name.'Box'));
        }

if (Tools::isSubmit('delete'.$this->table_name) && (int)Tools::getValue('id_'.$this->table_name)) {
            $html .= $this->delCondition(Tools::getValue('id_'.$this->table_name));
        }

$doc_iso = file_exists(_PS_MODULE_DIR_.$this->name.'/docs/readme_'.$this->iso_lang.'.pdf') ? $this->iso_lang : 'en';
        $this->context->smarty->assign(array(
            'doc_link' => '../modules/'.$this->name.'/docs/readme_'.$doc_iso.'.pdf',
            'add_link' => $this->context->link->getAdminLink('AdminModules', false).'&configure='.$this->name.'&tab_module='.$this->tab.'&module_name='.$this->name.'&newCondition=1&token='.Tools::getAdminTokenLite('AdminModules'),
            'support_link' => 'http://addons.prestashop.com/'.$this->iso_lang.'/contact-community.php?id_product='.$this->addons_id,
            'rating_link' => 'http://addons.prestashop.com/'.$this->iso_lang.'/ratings.php'
        ));

if (Tools::getValue('newCondition')) {
            $html .= $this->renderConditionForm();
        } elseif (Tools::isSubmit('update'.$this->table_name) && Tools::getValue('id_'.$this->table_name)) {
            $html .= $this->renderConditionForm(Tools::getValue('id_'.$this->table_name));
        } else {
            $html .= $this->renderList();
        }

$html .= $this->display(__FILE__, 'views/templates/admin/js_assign.tpl');

return $html;
    }

private function renderSettingsForm()
    {
        $conf = Configuration::getMultiple(array(
            'FREELIVERY_CALCULATION_RULE',
            'FREELIVERY_REMAINING_AMOUNT',
            'FREELIVERY_ADDITIONAL_SHIPPING_COST',
            'FREELIVERY_WITHOUT_TAXES',
            'PS_SMARTY_FORCE_COMPILE',
            'PS_SMARTY_CACHE',
        ));

$remaining_amount_desc = $this->l('If your theme already displays the remaining amount, disable this feature.');
        if ($conf['FREELIVERY_REMAINING_AMOUNT']
            && (
                $conf['PS_SMARTY_CACHE']
                || $conf['PS_SMARTY_FORCE_COMPILE'] == _PS_SMARTY_NO_COMPILE_
                || _PS_CACHE_ENABLED_
            )) {
            $remaining_amount_desc .= $this->displayError($this->l('If you have troubles with the remaining amount display in the cart, try to clear the cache in Advanced Parameters > Performance.'));
        }

$settings = array(
            'form' => array(
                'legend' => array(
                    'title' => $this->l('Settings'),
                    'icon' => 'icon-plus'
                ),
                'input' => array(
                    array(
                        'type' => 'select',
                        'label' => $this->l('Calculation rule'),
                        'name' => 'calculation_rule',
                        'class' => 'fixed-width-xxl',
                        'desc' => $this->l('This calculation rule will be used to apply free shipping before vouchers are deducted from the total price or not.'),
                        'options' => array(
                            'query' => array(array('name' => $this->l('All products without vouchers deducted'), 'id' => 0),
                                                             array('name' => $this->l('All products with vouchers deducted'), 'id' => 1)),
                            'name' => 'name',
                            'id' => 'id'
                        )
                    ),
                    array(
                        'type' => 'switch',
                        'label' => $this->l('Remaining amount'),
                        'name' => 'remaining_amount',
                        'desc' => $remaining_amount_desc,
                        'values' => array(
                            array(
                                'id' => 'remaining_on',
                                'value' => 1,
                                'label' => $this->l('Enabled')
                            ),
                            array(
                                'id' => 'remaining_off',
                                'value' => 0,
                                'label' => $this->l('Disabled')
                            )
                        ),
                    ),
                    array(
                        'type' => 'switch',
                        'label' => $this->l('Additional shipping cost'),
                        'name' => 'additional_shipping_cost',
                        'desc' => $this->l('If you still want to apply the additional shipping cost set on your product when the delivery is free.'),
                        'values' => array(
                            array(
                                'id' => 'additional_on',
                                'value' => 1,
                                'label' => $this->l('Enabled')
                            ),
                            array(
                                'id' => 'additional_off',
                                'value' => 0,
                                'label' => $this->l('Disabled')
                            )
                        ),
                    ),
                    array(
                        'type' => 'switch',
                        'label' => $this->l('Taxes excluded'),
                        'name' => 'without_taxes',
                        'desc' => $this->l('If you want free shipping to be calculated on the prices without taxes.'),
                        'values' => array(
                            array(
                                'id' => 'without_taxes_on',
                                'value' => 1,
                                'label' => $this->l('Enabled')
                            ),
                            array(
                                'id' => 'without_taxes_off',
                                'value' => 0,
                                'label' => $this->l('Disabled')
                            )
                        ),
                    ),
                ),
                'submit' => array(
                    'name' => 'saveSettings',
                    'title' => $this->l('Save')
                )
            ),
        );

$helper = new HelperForm();

$helper->id = 'settings'; // Hack in JS
        $helper->show_toolbar = false;
        $helper->table = 'settings';
        $lang = new Language((int)Configuration::get('PS_LANG_DEFAULT'));
        $helper->default_form_language = $lang->id;
        $helper->allow_employee_form_lang = Configuration::get('PS_BO_ALLOW_EMPLOYEE_FORM_LANG') ? Configuration::get('PS_BO_ALLOW_EMPLOYEE_FORM_LANG') : 0;
        $helper->module = $this;
        $helper->currentIndex = $this->context->link->getAdminLink('AdminModules', false).'&configure='.$this->name.'&tab_module='.$this->tab.'&module_name='.$this->name;
        $helper->token = Tools::getAdminTokenLite('AdminModules');
        $helper->submit_action = 'submitSaveSettings';

$helper->tpl_vars = array(
            'fields_value' => array(
                'without_taxes' => (int)$conf['FREELIVERY_WITHOUT_TAXES'],
                'calculation_rule' => (int)$conf['FREELIVERY_CALCULATION_RULE'],
                'remaining_amount' => (int)$conf['FREELIVERY_REMAINING_AMOUNT'],
                'additional_shipping_cost' => (int)$conf['FREELIVERY_ADDITIONAL_SHIPPING_COST']),
        );

return $helper->generateForm(array($settings));
    }

private function renderConditionForm($id_condition = false)
    {
        $condition = false;
        $condition_groups_ids = array();
        if ($id_condition) {
            $dbquery = new DbQuery();
            $dbquery->select('*');
            $dbquery->from(pSQL($this->table_name), 'f');
            $dbquery->where('id = '.(int)$id_condition);
            $condition = Db::getInstance()->getRow($dbquery->build());

$dbquery = new DbQuery();
            $dbquery->select('id_group');
            $dbquery->from(pSQL($this->table_name.'_groups'), 'fg');
            $dbquery->where('id_condition = '.(int)$id_condition);
            $condition_groups = Db::getInstance()->ExecuteS($dbquery->build());
            if ($condition_groups) {
                foreach ($condition_groups as $group) {
                    $condition_groups_ids[] = $group['id_group'];
                }
            }
        }

$carriers = Carrier::getCarriers((int)$this->context->language->id, false, false, false, null, ALL_CARRIERS);
        foreach ($carriers as $i => &$c) {
            $carrier = new Carrier($c['id_carrier']);
            $c['shipping_method'] = $carrier->getShippingMethod();
            if ($c['shipping_method'] == Carrier::SHIPPING_METHOD_FREE) {
                unset($carriers[$i]['shipping_method']);
            }
        }

$currency = Currency::getCurrencyInstance((int)Configuration::get('PS_CURRENCY_DEFAULT'))->sign;
        $weight_unit = Configuration::get('PS_WEIGHT_UNIT');
        $groups = Group::getGroups(Context::getContext()->language->id);

$add_condition = array(
            'form' => array(
                'legend' => array(
                    'title' => $this->l('Add a rule'),
                    'icon' => 'icon-plus'
                ),
                'input' => array(
                    array(
                        'type' => 'select',
                        'label' => $this->l('Carrier'),
                        'name' => 'id_carrier',
                        'desc' => $this->l('Select the carrier on which you want free shipping fees.'),
                        'options' => array(
                            'query' => $carriers,
                            'id' => 'id_carrier',
                            'name' => 'name',
                            'data-method' => 'shipping_method'
                        )
                    ),
                    array(
                        'type' => 'select',
                        'label' => $this->l('Zone'),
                        'name' => 'id_zone',
                        'desc' => $this->l('Select the zone in which you want your free carrier.'),
                        'options' => array(
                            'query' => Zone::getZones(true),
                            'id' => 'id_zone', 'name' => 'name'
                        )
                    ),
                    array(
                        'type' => 'text',
                        'label' => $this->l('Free shipping starts at'),
                        'name' => 'min_weight',
                        'prefix' => $weight_unit,
                        'desc' => $this->l('Optional. Leave this value to 0 to ignore.'),
                        'class' => 'fixed-width-md'
                    ),
                    array(
                        'type' => 'text',
                        'label' => $this->l('Free shipping starts at'),
                        'name' => 'min_price',
                        'prefix' => $currency,
                        'desc' => $this->l('Optional. Leave this value to 0 to ignore.'),
                        'class' => 'fixed-width-md'
                    ),
                    array(
                        'type' => 'text',
                        'label' => $this->l('Free shipping stops at'),
                        'name' => 'max_weight',
                        'prefix' => $weight_unit,
                        'desc' => $this->l('Optional. Leave this value to 0 to ignore.'),
                        'class' => 'fixed-width-md'
                    ),
                    array(
                        'type' => 'text',
                        'label' => $this->l('Free shipping stops at'),
                        'name' => 'max_price',
                        'prefix' => $currency,
                        'desc' => $this->l('Optional. Leave this value to 0 to ignore.'),
                        'class' => 'fixed-width-md'
                    ),
                    array(
                        'type' => 'group',
                        'label' => $this->l('Groups limitation'),
                        'name' => 'groups',
                        'values' => $groups,
                        'desc' => $this->l('Limit this rule to the groups that you want'),
                    ),
                    array(
                        'type' => 'switch',
                        'label' => $this->l('Apply handling charges'),
                        'name' => 'shipping_handling',
                        'values' => array(
                            array(
                                'id' => 'shipping_handling_on',
                                'value' => 1
                            ),
                            array(
                                'id' => 'shipping_handling_off',
                                'value' => 0
                            )
                        )
                    ),
                ),
                'submit' => array(
                    'name' => $condition ? 'updateCondition' : 'addCondition',
                    'title' => $condition ? $this->l('Update') : $this->l('Add')
                ),
                'buttons' => array(
                    array(
                        'href' => $this->context->link->getAdminLink('AdminModules', false).'&configure='.$this->name.'&tab_module='.$this->tab.'&module_name='.$this->name.'&token='.Tools::getAdminTokenLite('AdminModules'),
                        'title' => $this->l('Cancel'),
                        'icon' => 'process-icon-cancel'
                    )
                ),
            ),
        );

$helper = new HelperForm();

if ($condition) {
            $helper->id = $condition['id'];
        } // Hack in JS

$helper->show_toolbar = false;
        $helper->table = 'condition';
        $lang = new Language((int)Configuration::get('PS_LANG_DEFAULT'));
        $helper->default_form_language = $lang->id;
        $helper->allow_employee_form_lang = Configuration::get('PS_BO_ALLOW_EMPLOYEE_FORM_LANG') ? Configuration::get('PS_BO_ALLOW_EMPLOYEE_FORM_LANG') : 0;
        $helper->module = $this;
        $helper->currentIndex = $this->context->link->getAdminLink('AdminModules', false).'&configure='.$this->name.'&tab_module='.$this->tab.'&module_name='.$this->name;
        $helper->token = Tools::getAdminTokenLite('AdminModules');
        $helper->submit_action = $condition ? 'submitUpdateCondition' : 'submitAddCondition';

$fields_value = array(
            'id_carrier' => $condition ? $condition['id_carrier'] : false,
            'id_zone' => $condition ? $condition['id_zone'] : false,
            'min_weight' => $condition ? $condition['min_weight'] : 0,
            'min_price' => $condition ? $condition['min_price'] : 0,
            'max_weight' => $condition ? $condition['max_weight'] : 0,
            'max_price' => $condition ? $condition['max_price'] : 0,
            'shipping_handling' => $condition ? $condition['shipping_handling'] : false,
        );

foreach ($groups as $group) {
            $fields_value['groupBox_'.$group['id_group']] = in_array($group['id_group'], $condition_groups_ids);
        }

$helper->tpl_vars = array(
            'fields_value' => $fields_value,
        );

return $helper->generateForm(array($add_condition));
    }

private function getConditions()
    {
        $dbquery = new DbQuery();
        $dbquery->select('fzs.*, fzs.id AS id_'.pSQL($this->table_name).', z.name zone_name, c.name carrier_name, c.deleted as carrier_deleted, c.active as carrier_active, COUNT(d.id_delivery) as nb_free_ranges');
        $dbquery->from(pSQL($this->table_name), 'fzs');
        $dbquery->leftJoin('zone', 'z', 'z.id_zone = fzs.id_zone');
        $dbquery->leftJoin('carrier', 'c', 'c.id_carrier = fzs.id_carrier');
        $dbquery->leftJoin('delivery', 'd', 'd.id_carrier = fzs.id_carrier AND d.id_zone = fzs.id_zone AND d.price = 0');
        $dbquery->orderBy('fzs.id_zone, fzs.id_carrier ASC');
        $dbquery->groupBy('fzs.id');

return Db::getInstance()->ExecuteS($dbquery->build());
    }

public function paginateConditions($conditions, $page = 1, $pagination = 50)
    {
        if (count($conditions) > $pagination) {
            $conditions = array_slice($conditions, $pagination * ($page - 1), $pagination);
        }

return $conditions;
    }

private function renderList()
    {
        $defaultCountryHasCondition = false;

$conf = Configuration::getMultiple(array(
            'FREELIVERY_REMAINING_AMOUNT',
            'PS_CARRIER_DEFAULT',
            'PS_COUNTRY_DEFAULT',
        ));

$defaultZone = Country::getIdZone($conf['PS_COUNTRY_DEFAULT']);

$fields_list = array(
            'carrier_name' => array(
                'title' => $this->l('Carrier'),
                'type' => 'text',
                'search' => false,
                'color' => 'color',
            ),
            'zone_name' => array(
                'title' => $this->l('Zone'),
                'type' => 'text',
                'search' => false
            ),
            'starts' => array(
                'title' => $this->l('Free shipping starts at'),
                'type' => 'text',
                'search' => false
            ),
            'stops' => array(
                'title' => $this->l('Free shipping stops at'),
                'type' => 'text',
                'search' => false
            ),
            'shipping_handling' => array(
                'title' => $this->l('Handling charges'),
                'type' => 'bool',
                'active' => 'status',
                'search' => false
            )
        );

$helper = new HelperList();
        $helper->shopLinkType = '';
        $helper->identifier = 'id_'.$this->table_name;
        $helper->actions = array('edit', 'delete');
        $helper->show_toolbar = true;
        $helper->simple_header = false;
        $helper->module = $this;
        $helper->no_link = true;
        $helper->title = $this->l('Rules');
        $helper->token = Tools::getAdminTokenLite('AdminModules');
        $helper->currentIndex = AdminController::$currentIndex.'&configure='.$this->name;
        $helper->table = $this->table_name;

$helper->bulk_actions = array(
            'delete' => array(
                'text' => $this->l('Delete selected'),
                'confirm' => $this->l('Delete selected items?'),
                'icon' => 'icon-trash'
            )
        );

$helper->force_show_bulk_actions = true;

$conditions = $this->getConditions();

$currency = Currency::getCurrencyInstance((int)Configuration::get('PS_CURRENCY_DEFAULT'));
        $weight_unit = Configuration::get('PS_WEIGHT_UNIT');
        $carriersinvalid = false;
        $free_ranges = false;

foreach ($conditions as &$condition) {
            $condition['starts'] = '';

if ($condition['min_weight'] > 0) {
                $condition['starts'] .= $condition['min_weight'].' '.$weight_unit;
            }

if ($condition['min_price'] > 0) {
                if ($condition['starts'] != '') {
                    $condition['starts'] .= ' '.$this->l('and').' ';
                }
                $condition['starts'] .= Tools::displayPrice($condition['min_price'], $currency);
            }

if ($condition['starts'] == '') {
                $condition['starts'] = '-';
            }

$condition['stops'] = '';

if ($condition['max_weight'] > 0) {
                $condition['stops'] .= $condition['max_weight'].' '.$weight_unit;
            }

if ($condition['max_price'] > 0) {
                if ($condition['stops'] != '') {
                    $condition['stops'] .= ' '.$this->l('and').' ';
                }
                $condition['stops'] .= Tools::displayPrice($condition['max_price'], $currency);
            }

if ($condition['stops'] == '') {
                $condition['stops'] = '-';
            }

if ($condition['carrier_deleted'] || !$condition['carrier_active']) {
                $condition['color'] = '#EC2E15';
                $carriersinvalid = true;
            } else if ((int)$condition['nb_free_ranges'] > 0) {
                $condition['color'] = '#ffab51';
                $free_ranges = true;
            }

if ($condition['id_zone'] == $defaultZone) {
                $defaultCountryHasCondition = true;
            }
        }

$helper->listTotal = count($conditions);

$page = ($page = Tools::getValue('submitFilter'.$this->table_name)) ? $page : 1;
        $pagination = ($pagination = Tools::getValue($this->table_name.'_pagination')) ? $pagination : 50;
        $conditions = $this->paginateConditions($conditions, $page, $pagination);

// Adding 'Add' button
        $helper->toolbar_btn['new'] = array(
            'href' => $this->context->link->getAdminLink('AdminModules', false)
            .'&configure='.$this->name.'&tab_module='.$this->tab.'&module_name='.$this->name
            .'&newCondition=1&token='.Tools::getAdminTokenLite('AdminModules'),
            'desc' => $this->l('Add a rule')
        );

// Adding 'Documentation' button
        $doc_iso = file_exists(_PS_MODULE_DIR_.$this->name.'/docs/readme_'.$this->iso_lang.'.pdf') ? $this->iso_lang : 'en';
        $helper->toolbar_btn['help'] = array(
            'href' => '../modules/'.$this->name.'/docs/readme_'.$doc_iso.'.pdf',
            'target' => '_blank',
            'desc' => $this->l('View documentation')
        );

$html = '';

if ($carriersinvalid) {
            $html .= $this->displayError($this->l('Carriers in red no longer exist or are disabled. Please update your rules.'));
        }
        if ($free_ranges) {
            $html .= $this->displayError($this->l('Carriers in orange have free ranges. This can lead to conflicts with this module. We recommend you edit your carriers and check that all the prices are correct.'));
        }
        if ($conf['FREELIVERY_REMAINING_AMOUNT'] && count($conditions) > 0) {
            $remainingError = false;
            if (!$defaultCountryHasCondition) {
                $remainingError = $this->l('You need to have at least one rule for the default country if you want the remaining amount to be available for non logged users.');
            } elseif ($conf['PS_CARRIER_DEFAULT'] == '-1') {
                $remainingError = $this->l('Your default carrier is "Best price" and, if you have free carriers, this can lead to remaining amount not visible. To prevent this, go in Shipping > Preferences and select a paid carrier as defaut.');
            } else {
                $carrier = new Carrier($conf['PS_CARRIER_DEFAULT']);
                if ($carrier->is_free) {
                    $remainingError = $this->l('Your default carrier is free and this can lead to the remaining amount message not visible. To prevent this, go in Shipping > Preferences and select a paid carrier as defaut.');
                }
            }
            if ($remainingError) {
                $html .= $this->displayError($remainingError);
            }
        }

$html .= $helper->generateList($conditions, $fields_list);
        $html .= $this->renderSettingsForm();

if ($helper->listTotal > 0) {
            $this->context->smarty->assign(array(
                'iso_lang' => $this->iso_lang,
                'doc_link' => '../modules/'.$this->name.'/docs/readme_'.$doc_iso.'.pdf'
            ));
            $html .= $this->getLaPosteAd();
            $html .= $this->display(__FILE__, 'views/templates/admin/satisfaction.tpl').$this->display(__FILE__, 'views/templates/admin/addons.tpl');
        }

return $html;
    }

private function getLaPosteAd()
    {
        if (!Module::isInstalled('lapostetracking')) {
            $laposte_carrier = Db::getInstance()->getValue('
                SELECT name FROM '._DB_PREFIX_.'carrier WHERE name REGEXP "chronopost|la ?poste|dpd" AND deleted = 0
            ');
            if ($laposte_carrier) {
                return $this->display(__FILE__, 'views/templates/admin/laposte.tpl');
            }
        }
        return '';
    }
}

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