1: <?php
  2: /**
  3:  * Copyright 2014 Horde LLC (http://www.horde.org/)
  4:  *
  5:  * See the enclosed file COPYING for license information (GPL). If you
  6:  * did not receive this file, see http://www.horde.org/licenses/gpl.
  7:  *
  8:  * @category  Horde
  9:  * @copyright 2014 Horde LLC
 10:  * @license   http://www.horde.org/licenses/gpl GPL
 11:  * @package   IMP
 12:  */
 13: 
 14: /**
 15:  * Auto-determine attachment storage status based on IMP configuration and
 16:  * attachment data.
 17:  *
 18:  * @author    Michael Slusarz <slusarz@horde.org>
 19:  * @category  Horde
 20:  * @copyright 2014 Horde LLC
 21:  * @license   http://www.horde.org/licenses/gpl GPL
 22:  * @package   IMP
 23:  */
 24: class IMP_Compose_Attachment_Storage_AutoDetermine
 25: extends IMP_Compose_Attachment_Storage
 26: {
 27:     /**
 28:      * The underlying storage driver.
 29:      *
 30:      * @var IMP_Compose_Attachment_Storage
 31:      */
 32:     protected $_storage;
 33: 
 34:     /**
 35:      */
 36:     public function __construct($user, $id = null)
 37:     {
 38:         global $injector;
 39: 
 40:         parent::__construct($user, $id);
 41: 
 42:         /* Default to linked storage. */
 43:         $factory = $injector->getInstance('IMP_Factory_ComposeAtc');
 44:         $this->_storage = new $factory->classLinked($this->_user, $this->_id);
 45:     }
 46: 
 47:     /**
 48:      */
 49:     public function __get($name)
 50:     {
 51:         switch ($name) {
 52:         case 'linked':
 53:             return ($this->_storage instanceof IMP_Compose_Attachment_Linked);
 54:         }
 55: 
 56:         return parent::__get($name);
 57:     }
 58: 
 59:     /**
 60:      */
 61:     public function read()
 62:     {
 63:         return $this->_storage->read();
 64:     }
 65: 
 66:     /**
 67:      */
 68:     protected function _read()
 69:     {
 70:     }
 71: 
 72:     /**
 73:      */
 74:     public function write($filename, Horde_Mime_Part $part)
 75:     {
 76:         global $conf, $injector;
 77: 
 78:         if (filesize($filename) < intval($conf['compose']['link_attach_threshol'])) {
 79:             $factory = $injector->getInstance('IMP_Factory_ComposeAtc');
 80:             $this->_storage = new $factory->classAtc($this->_user, $this->_id);
 81:         }
 82: 
 83:         $this->_storage->write($filename, $part);
 84:     }
 85: 
 86:     /**
 87:      */
 88:     protected function _write($filename, Horde_Mime_Part $part)
 89:     {
 90:     }
 91: 
 92:     /**
 93:      */
 94:     public function delete()
 95:     {
 96:         $this->_storage->delete();
 97:     }
 98: 
 99:     /**
100:      */
101:     public function exists()
102:     {
103:         return $this->_storage->exists();
104:     }
105: 
106:     /**
107:      */
108:     public function getMetadata()
109:     {
110:         return $this->_storage->getMetadata();
111:     }
112: 
113:     /**
114:      */
115:     public function saveMetadata($md = null)
116:     {
117:         return $this->_storage->saveMetadata($md);
118:     }
119: 
120:     /**
121:      */
122:     public function gc()
123:     {
124:         $this->_storage->gc();
125:     }
126: 
127: }
128: