1: <?php
  2: /*****************************************************************************************
  3:  * X2Engine Open Source Edition is a customer relationship management program developed by
  4:  * X2Engine, Inc. Copyright (C) 2011-2016 X2Engine Inc.
  5:  * 
  6:  * This program is free software; you can redistribute it and/or modify it under
  7:  * the terms of the GNU Affero General Public License version 3 as published by the
  8:  * Free Software Foundation with the addition of the following permission added
  9:  * to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED WORK
 10:  * IN WHICH THE COPYRIGHT IS OWNED BY X2ENGINE, X2ENGINE DISCLAIMS THE WARRANTY
 11:  * OF NON INFRINGEMENT OF THIRD PARTY RIGHTS.
 12:  * 
 13:  * This program is distributed in the hope that it will be useful, but WITHOUT
 14:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 15:  * FOR A PARTICULAR PURPOSE.  See the GNU Affero General Public License for more
 16:  * details.
 17:  * 
 18:  * You should have received a copy of the GNU Affero General Public License along with
 19:  * this program; if not, see http://www.gnu.org/licenses or write to the Free
 20:  * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 21:  * 02110-1301 USA.
 22:  * 
 23:  * You can contact X2Engine, Inc. P.O. Box 66752, Scotts Valley,
 24:  * California 95067, USA. or at email address contact@x2engine.com.
 25:  * 
 26:  * The interactive user interfaces in modified source and object code versions
 27:  * of this program must display Appropriate Legal Notices, as required under
 28:  * Section 5 of the GNU Affero General Public License version 3.
 29:  * 
 30:  * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
 31:  * these Appropriate Legal Notices must retain the display of the "Powered by
 32:  * X2Engine" logo. If the display of the logo is not reasonably feasible for
 33:  * technical reasons, the Appropriate Legal Notices must display the words
 34:  * "Powered by X2Engine".
 35:  *****************************************************************************************/
 36: 
 37: /**
 38:  * Manages file upload for filename fields. If file fails to be saved, save/update will be 
 39:  * cancelled.
 40:  */
 41: 
 42: class FileFieldBehavior extends X2ActiveRecordBehavior {
 43: 
 44:     const IMAGE = 1;
 45: 
 46:     public $attribute;
 47:     public $fileAttribute;
 48:     public $getFilename;
 49:     public $fileType;
 50: 
 51: //    private $_transaction;
 52: //    public function getTransaction () {
 53: //        if (!isset ($this->_transaction)) {
 54: //            $this->_transaction = Yii::app()->db->beginTransaction ();
 55: //        }
 56: //        return $this->_transaction;
 57: //    }
 58: 
 59:     public function rules () {
 60:         if ($this->fileType === self::IMAGE) {
 61:             return array (
 62:                 array (
 63:                     $this->fileAttribute, 'file', 'allowEmpty' => true,
 64:                     'maxSize' => 2000000,
 65:                     'types' => array (
 66:                         'gif', 'jpg', 'jpeg', 'tif', 'tiff', 'bmp', 'png'
 67:                     )
 68:                 )
 69:             );
 70:         } else {
 71:             return array ();
 72:         }
 73:     }
 74: 
 75:     public function events() {
 76:         return array_merge(parent::events(),array(
 77:             'onBeforeSave'=>'beforeSave',
 78:         ));
 79:     }
 80: 
 81:     public function beforeSave ($evt) {
 82:         $attr = $this->attribute;
 83:         $fileAttribute = $this->fileAttribute;
 84: 
 85:         if ($this->owner->$fileAttribute && $this->owner->validate ()) {
 86:             //$this->transaction;
 87:             try {
 88:                 $temp = $this->owner->$fileAttribute;
 89:                 $filename = $this->getFilename ($temp);
 90:                 $oldFilename = $this->owner->$attr;
 91:                 $this->owner->$attr = $filename;
 92: 
 93:                 if (!$this->owner->validate ()) {
 94:                     throw new CException ();
 95:                 }
 96: 
 97:                 if (!$temp->saveAs ($filename)) {
 98:                     throw new CException ();
 99:                 }
100: 
101:                 if (file_exists ($oldFilename)) {
102:                     unlink ($oldFilename);
103:                 }
104:                 //$transaction->commit ();
105:             } catch (CException $e) {
106:                 //$this->transaction->rollback ();
107:                 $this->owner->addError ($attr, Yii::t('app', 'File upload failed'));
108:                 $evt->isValid = false;
109:             }
110:         }
111:     }
112: 
113: }
114: 
115: ?>
116: