1: <?php
  2: /**
  3:  * Magento
  4:  *
  5:  * NOTICE OF LICENSE
  6:  *
  7:  * This source file is subject to the Open Software License (OSL 3.0)
  8:  * that is bundled with this package in the file LICENSE.txt.
  9:  * It is also available through the world-wide-web at this URL:
 10:  * http://opensource.org/licenses/osl-3.0.php
 11:  * If you did not receive a copy of the license and are unable to
 12:  * obtain it through the world-wide-web, please send an email
 13:  * to license@magentocommerce.com so we can send you a copy immediately.
 14:  *
 15:  * DISCLAIMER
 16:  *
 17:  * Do not edit or add to this file if you wish to upgrade Magento to newer
 18:  * versions in the future. If you wish to customize Magento for your
 19:  * needs please refer to http://www.magentocommerce.com for more information.
 20:  *
 21:  * @category    Mage
 22:  * @package     Mage_Adminhtml
 23:  * @copyright   Copyright (c) 2012 Magento Inc. (http://www.magentocommerce.com)
 24:  * @license     http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 25:  */
 26: 
 27: /**
 28:  * Adminhtml product tax class controller
 29:  *
 30:  * @category   Mage
 31:  * @package    Mage_Adminhtml
 32:  * @author      Magento Core Team <core@magentocommerce.com>
 33:  */
 34: class Mage_Adminhtml_Tax_Class_ProductController extends Mage_Adminhtml_Controller_Action
 35: {
 36:     /**
 37:      * view grid
 38:      *
 39:      */
 40:     public function indexAction()
 41:     {
 42:         $this->_title($this->__('Sales'))
 43:              ->_title($this->__('Tax'))
 44:              ->_title($this->__('Product Tax Classes'));
 45: 
 46:         $this->_initAction()
 47:             ->_addContent(
 48:                 $this->getLayout()->createBlock('adminhtml/tax_class')
 49:                     ->setClassType(Mage_Tax_Model_Class::TAX_CLASS_TYPE_PRODUCT)
 50:             )
 51:             ->renderLayout();
 52:     }
 53: 
 54:     /**
 55:      * new class action
 56:      *
 57:      */
 58:     public function newAction()
 59:     {
 60:         $this->_forward('edit');
 61:     }
 62: 
 63:     /**
 64:      * edit class action
 65:      *
 66:      */
 67:     public function editAction()
 68:     {
 69:         $this->_title($this->__('Sales'))
 70:              ->_title($this->__('Tax'))
 71:              ->_title($this->__('Product Tax Classes'));
 72: 
 73:         $classId    = $this->getRequest()->getParam('id');
 74:         $model      = Mage::getModel('tax/class');
 75:         if ($classId) {
 76:             $model->load($classId);
 77:             if (!$model->getId() || $model->getClassType() != Mage_Tax_Model_Class::TAX_CLASS_TYPE_PRODUCT) {
 78:                 Mage::getSingleton('adminhtml/session')->addError(
 79:                     Mage::helper('tax')->__('This class no longer exists')
 80:                 );
 81:                 $this->_redirect('*/*/');
 82:                 return;
 83:             }
 84:         }
 85: 
 86:         $this->_title($model->getId() ? $model->getClassName() : $this->__('New Class'));
 87: 
 88:         $data = Mage::getSingleton('adminhtml/session')->getClassData(true);
 89:         if (!empty($data)) {
 90:             $model->setData($data);
 91:         }
 92: 
 93:         Mage::register('tax_class', $model);
 94: 
 95:         $this->_initAction()
 96:             ->_addBreadcrumb(
 97:                 $classId ? Mage::helper('tax')->__('Edit Class') :  Mage::helper('tax')->__('New Class'),
 98:                 $classId ?  Mage::helper('tax')->__('Edit Class') :  Mage::helper('tax')->__('New Class')
 99:             )
100:             ->_addContent(
101:                 $this->getLayout()->createBlock('adminhtml/tax_class_edit')
102:                     ->setData('action', $this->getUrl('*/tax_class/save'))
103:                     ->setClassType(Mage_Tax_Model_Class::TAX_CLASS_TYPE_PRODUCT)
104:             )
105:             ->renderLayout();
106:     }
107: 
108:     /**
109:      * delete class action
110:      *
111:      */
112:     public function deleteAction()
113:     {
114:         $classId    = $this->getRequest()->getParam('id');
115:         $session    = Mage::getSingleton('adminhtml/session');
116:         $classModel = Mage::getModel('tax/class')
117:             ->load($classId);
118: 
119:         if (!$classModel->getId() || $classModel->getClassType() != Mage_Tax_Model_Class::TAX_CLASS_TYPE_PRODUCT) {
120:             $session->addError(Mage::helper('tax')->__('This class no longer exists'));
121:             $this->_redirect('*/*/');
122:             return;
123:         }
124: 
125:         $ruleCollection = Mage::getModel('tax/calculation_rule')
126:             ->getCollection()
127:             ->setClassTypeFilter(Mage_Tax_Model_Class::TAX_CLASS_TYPE_PRODUCT, $classId);
128: 
129:         if ($ruleCollection->getSize() > 0) {
130:             $session->addError(Mage::helper('tax')->__('You cannot delete this tax class as it is used in Tax Rules. You have to delete the rules it is used in first.'));
131:             $this->_redirect('*/*/edit/', array('id' => $classId));
132:             return;
133:         }
134: 
135:         $productCollection = Mage::getModel('catalog/product')
136:             ->getCollection()
137:             ->addAttributeToFilter('tax_class_id', $classId);
138:         $productCount = $productCollection->getSize();
139: 
140:         if ($productCount > 0) {
141:             $session->addError(Mage::helper('tax')->__('You cannot delete this tax class as it is used for %d products.', $productCount));
142:             $this->_redirect('*/*/edit/', array('id' => $classId));
143:             return;
144:         }
145: 
146:         try {
147:             $classModel->delete();
148: 
149:             $session->addSuccess(Mage::helper('tax')->__('The tax class has been deleted.'));
150:             $this->getResponse()->setRedirect($this->getUrl("*/*/"));
151:             return;
152:         } catch (Mage_Core_Exception $e) {
153:             $session->addError($e->getMessage());
154:         } catch (Exception $e) {
155:             $session->addException($e, Mage::helper('tax')->__('An error occurred while deleting this tax class.'));
156:         }
157: 
158:         $this->_redirect('*/*/edit/', array('id' => $classId));
159:     }
160: 
161:     /**
162:      * Initialize action
163:      *
164:      * @return Mage_Adminhtml_Controller_Action
165:      */
166:     protected function _initAction()
167:     {
168:         $this->loadLayout()
169:             ->_setActiveMenu('sales/tax/tax_class_product')
170:             ->_addBreadcrumb(Mage::helper('tax')->__('Sales'), Mage::helper('tax')->__('Sales'))
171:             ->_addBreadcrumb(Mage::helper('tax')->__('Tax'), Mage::helper('tax')->__('Tax'))
172:             ->_addBreadcrumb(Mage::helper('tax')->__('Manage Product Tax Classes'), Mage::helper('tax')->__('Manage Product Tax Classes'))
173:         ;
174:         return $this;
175:     }
176: 
177:     /**
178:      * Check current user permission on resource and privilege
179:      *
180:      * @return bool
181:      */
182:     protected function _isAllowed()
183:     {
184:         return Mage::getSingleton('admin/session')->isAllowed('sales/tax/classes_product');
185:     }
186: 
187: }
188: