toutpratique/modules/cms_pack/controllers/admin/AdminCmsPackController.php

<?php

class AdminCmsPackController extends ModuleAdminController
{
    public function __construct() {
        $this->bootstrap = true;
        $this->className = 'CmsPack';
        $this->table = 'cms_pack';
        $this->identifier = 'id_pack';

        $this->addRowAction('edit');
        $this->addRowAction('delete');
        
        $this->fields_list = array(
            'id_pack' => array(
                'title' => $this->l('ID'), 
                'align' => 'center',
            ),
            'title' => array(
                'title' => $this->l('Nom du pack'),
                'align' => 'center',
            ),
            'product' => array(
                'title' => $this->l('Produits'),
                'align' => 'center',
                'callback' => 'getProductDetails',
                'filter' => false,
                'search' => false
            ),
            'remise' => array(
                'title' => $this->l('Remise %'),
                'align' => 'center',
                'callback' => 'getRemise',
                'filter' => false,
                'search' => false
            ),
        );

        $this->_select = ' "product" as product, "remise" as remise';
        $this->_group = ' GROUP BY a.`id_pack`';

        parent::__construct();
    }

    public function getRemise($data, $all_data) 
    {
        $obj = new CmsPack($all_data['id_pack']);
        return $obj->getPercentageReduction();
    }

    public function getProductDetails($data, $obj) {
        $pack = new CmsPack($obj['id_pack']);
        $infos = $pack->getInfosWithValues();

        $result = '';
        foreach ($infos as $key => $info) {
            $result.= $info['content'] . ' - ' ;
        }
        return $result;
    }


    public function renderForm() {
        if (!($obj = $this->loadObject(TRUE)))
            return;
        
        $this->fields_form = array(
            'legend' => array(
                'title' => $this->className,
            ),
            'submit' => array(
                'name' => 'submitCMSPack',
                'title' => $this->l('Save'),
            ),
            'input' => array(
                array(
                    'type' => 'text',
                    'label' => $this->l('Nom du pack'),
                    'name' => 'title',
                    'size' => 114,
                ),
                array(
                    'type' => 'relation_product',
                    'label' => $this->l('Sélectionner des produits'),
                    'name' => 'relation_product',
                    'class' => 'relation_product',
                    'id' => 'product-pack',
                    'query' => $this->object->getInfosWithValues('product'),
                ),
                array(
                    'type' => 'text',
                    'label' => $this->l('Montant de la réduction (%)'),
                    'name' => 'montant_reduction',
                    'size' => 114,
                ),
                array(
                    'type' => 'hidden',
                    'label' => $this->l('Id cart rule'),
                    'name' => 'id_cart_rule',
                ),
            )
        );  

    
        $this->fields_value = array(            
            'montant_reduction' => $this->getPercentageReduction()
        );

        return parent::renderForm();
    }

    public function getPercentageReduction() 
    {
        if(Tools::getIsset('id_pack')) {
            if (Validate::isLoadedObject($obj = $this->loadObject())) {
                return $obj->getPercentageReduction();
            }            
        }
    }
    
    public function processSave() {
        parent::processSave();

        $relations = Tools::getValue('input-product-pack', array());
        if ($this->object->deleteRelations()) {
            foreach ($relations as $key => $relation) {
                $this->object->addRelation($relation);
            }
        }

        if (Validate::isInt(Tools::getValue('montant_reduction'))) {
            // Cart rule doesnt exists
            if (Tools::getValue('id_cart_rule') == 0) {
                $cartRule = new CartRule();
                $languages = Language::getLanguages();
                foreach ($languages as $key => $language) {
                    $cartRule->name[$language['id_lang']] = Tools::getValue('title');
                }
                $cartRule->id_customer = 0;
                $cartRule->date_from = date('Y-m-d H:i:s');
                $cartRule->date_to = date('Y-m-d H:i:s', strtotime('+3 year'));
                $cartRule->quantity = 999999;
                $cartRule->quantity_per_user = 999999;
                $cartRule->partial_use = 1;
                $cartRule->priority = 1;
                $cartRule->highlight = 1;
                $cartRule->code = '';
                // $cartRule->code = Tools::passwdGen(8);
                $cartRule->minimum_amount = 0;
                $cartRule->minimum_amount_tax = 0;
                $cartRule->reduction_product = -2;
                $cartRule->minimum_amount_currency = 1;
                $cartRule->product_restriction = 1;
                $cartRule->reduction_percent = (int) Tools::getValue('montant_reduction');
                $cartRule->active = 1;
                
                if ($cartRule->add()) {
                    Db::getInstance()->execute('
                        UPDATE `ps_cms_pack` 
                        SET `id_cart_rule` = ' .(int)$cartRule->id . '
                        WHERE `id_pack` = '.(int) Tools::getValue('id_pack')
                    );
                    self::saveRelationCartRule($relations, $cartRule->id);
                }
            } else {
                $cartRule = new CartRule(Tools::getValue('id_cart_rule'));
                $cartRule->reduction_percent =  (int) Tools::getValue('montant_reduction');
                $cartRule->update();
                self::deleteRelationCartRule($cartRule->id);
                self::saveRelationCartRule($relations, $cartRule->id);
            }
        }
    }

    public static function deleteRelationCartRule($id_cart_rule) 
    {
        Db::getInstance()->execute('
            DELETE FROM `ps_cart_rule_product_rule_value` WHERE `id_product_rule` IN 
            (
                SELECT c1.`id_product_rule` 
                FROM `ps_cart_rule_product_rule` c1
                LEFT JOIN `ps_cart_rule_product_rule_group` c2 on (c1.`id_product_rule_group` = c2.`id_product_rule_group`)
                WHERE c2.`id_cart_rule` = '.(int)$id_cart_rule.'
            )
        ');
        Db::getInstance()->execute('
            DELETE FROM `ps_cart_rule_product_rule` WHERE `id_product_rule_group` IN 
            (SELECT `id_product_rule_group` FROM `ps_cart_rule_product_rule_group` WHERE `id_cart_rule` =  '.(int)$id_cart_rule.')
        ');
        Db::getInstance()->execute('
            DELETE FROM `ps_cart_rule_product_rule_group` WHERE `id_cart_rule` = '.(int)$id_cart_rule.'
        ');
    }

    public static function saveRelationCartRule($products, $id_cart_rule) 
    {
        foreach ($products as $key => $id_product) {
            Db::getInstance()->execute('
                INSERT INTO `ps_cart_rule_product_rule_group`
                    (`id_cart_rule`, `quantity`) 
                VALUES ('.(int)$id_cart_rule.',1)
            ');
            $id_rule_group = Db::getInstance()->Insert_ID();

            Db::getInstance()->execute('
                INSERT INTO `ps_cart_rule_product_rule`
                    (`id_product_rule_group`, `type`)
                VALUES ('.(int) $id_rule_group.',"products")
            ');
            $id_product_rule = Db::getInstance()->Insert_ID();

            Db::getInstance()->execute('
                INSERT INTO `ps_cart_rule_product_rule_value`
                    (`id_product_rule`, `id_item`)
                VALUES ('.(int) $id_product_rule.', '.(int)$id_product.')
            ');
        }
    }

    public function processDelete() {
        if (Validate::isLoadedObject($object = $this->loadObject())) {
            $object->deleteRelations();
        }
        parent::processDelete();
    }

}