CRM/Admin/Form/Extensions.php

   1 <?php
   2 /*
   3  +--------------------------------------------------------------------+
   4  | CiviCRM version 4.4                                                |
   5  +--------------------------------------------------------------------+
   6  | Copyright CiviCRM LLC (c) 2004-2013                                |
   7  +--------------------------------------------------------------------+
   8  | This file is a part of CiviCRM.                                    |
   9  |                                                                    |
  10  | CiviCRM is free software; you can copy, modify, and distribute it  |
  11  | under the terms of the GNU Affero General Public License           |
  12  | Version 3, 19 November 2007 and the CiviCRM Licensing Exception.   |
  13  |                                                                    |
  14  | CiviCRM is distributed in the hope that it will be useful, but     |
  15  | WITHOUT ANY WARRANTY; without even the implied warranty of         |
  16  | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.               |
  17  | See the GNU Affero General Public License for more details.        |
  18  |                                                                    |
  19  | You should have received a copy of the GNU Affero General Public   |
  20  | License and the CiviCRM Licensing Exception along                  |
  21  | with this program; if not, contact CiviCRM LLC                     |
  22  | at info[AT]civicrm[DOT]org. If you have questions about the        |
  23  | GNU Affero General Public License or the licensing of CiviCRM,     |
  24  | see the CiviCRM license FAQ at http://civicrm.org/licensing        |
  25  +--------------------------------------------------------------------+
  26 */
  27
  28 /**
  29  *
  30  * @package CRM
  31  * @copyright CiviCRM LLC (c) 2004-2013
  32  * $Id$
  33  *
  34  */
  35
  36 /**
  37  * This class generates form components for Extensions
  38  *
  39  */
  40 class CRM_Admin_Form_Extensions extends CRM_Admin_Form {
  41
  42   /**
  43    * Function to for pre-processing
  44    *
  45    * @return None
  46    * @access public
  47    */
  48   public function preProcess() {
  49     parent::preProcess();
  50
  51     $this->_key = CRM_Utils_Request::retrieve('key', 'String',
  52       $this, FALSE, 0
  53     );
  54
  55     $session = CRM_Core_Session::singleton();
  56     $url = CRM_Utils_System::url('civicrm/admin/extensions', 'reset=1&action=browse');
  57     $session->pushUserContext($url);
  58     $this->assign('id', $this->_id);
  59     $this->assign('key', $this->_key);
  60
  61
  62     switch ($this->_action) {
  63       case CRM_Core_Action::ADD:
  64       case CRM_Core_Action::DELETE:
  65       case CRM_Core_Action::ENABLE:
  66       case CRM_Core_Action::DISABLE:
  67         $info = CRM_Extension_System::singleton()->getMapper()->keyToInfo($this->_key);
  68         $extInfo = CRM_Admin_Page_Extensions::createExtendedInfo($info);
  69         $this->assign('extension', $extInfo);
  70         break;
  71
  72       case CRM_Core_Action::UPDATE:
  73         if (! CRM_Extension_System::singleton()->getBrowser()->isEnabled()) {
  74           CRM_Core_Error::fatal(ts('The system administrator has disabled this feature.'));
  75         }
  76         $info = CRM_Extension_System::singleton()->getBrowser()->getExtension($this->_key);
  77         $extInfo = CRM_Admin_Page_Extensions::createExtendedInfo($info);
  78         $this->assign('extension', $extInfo);
  79         break;
  80
  81       default:
  82         CRM_Core_Error::fatal(ts('Unsupported action'));
  83     }
  84
  85   }
  86
  87   /**
  88    * This function sets the default values for the form.
  89    * the default values are retrieved from the database
  90    *
  91    * @access public
  92    *
  93    * @return None
  94    */
  95   function setDefaultValues() {
  96     $defaults = array();
  97     return $defaults;
  98   }
  99
 100   /**
 101    * Function to build the form
 102    *
 103    * @return None
 104    * @access public
 105    */
 106   public function buildQuickForm() {
 107
 108     switch ($this->_action) {
 109       case CRM_Core_Action::ADD:
 110         $buttonName = ts('Install');
 111         $title = ts('Install Extension');
 112         break;
 113
 114       case CRM_Core_Action::UPDATE:
 115         $buttonName = ts('Download and Install');
 116         $title = ts('Download and Install Extension');
 117         break;
 118
 119       case CRM_Core_Action::DELETE:
 120         $buttonName = ts('Uninstall');
 121         $title = ts('Uninstall Extension');
 122         break;
 123
 124       case CRM_Core_Action::ENABLE:
 125         $buttonName = ts('Enable');
 126         $title = ts('Enable Extension');
 127         break;
 128
 129       case CRM_Core_Action::DISABLE:
 130         $buttonName = 'Disable';
 131         $title = ts('Disable Extension');
 132         break;
 133     }
 134
 135     $this->assign('title', $title);
 136     $this->addButtons(array(
 137         array(
 138           'type' => 'next',
 139           'name' => $buttonName,
 140           'isDefault' => TRUE,
 141         ),
 142         array(
 143           'type' => 'cancel',
 144           'name' => ts('Cancel'),
 145         ),
 146       )
 147     );
 148   }
 149
 150   /**
 151    * global form rule
 152    *
 153    * @param array $fields  the input form values
 154    * @param array $files   the uploaded files if any
 155    * @param array $self    this object.
 156    *
 157    * @return true if no errors, else an array of errors
 158    * @access public
 159    * @static
 160    */
 161   static function formRule($fields, $files, $self) {
 162     $errors = array();
 163
 164     return empty($errors) ? TRUE : $errors;
 165   }
 166
 167   /**
 168    * Function to process the form
 169    *
 170    * @access public
 171    *
 172    * @return None
 173    */
 174   public function postProcess() {
 175     CRM_Utils_System::flushCache();
 176
 177     if ($this->_action & CRM_Core_Action::DELETE) {
 178       try {
 179         CRM_Extension_System::singleton()->getManager()->uninstall(array($this->_key));
 180         CRM_Core_Session::setStatus("", ts('Extension Uninstalled'), "success");
 181       } catch (CRM_Extension_Exception_DependencyException $e) {
 182         // currently only thrown for payment-processor dependencies
 183         CRM_Core_Session::setStatus(ts('Cannot uninstall this extension - there is at least one payment processor using the payment processor type provided by it.'), ts('Uninstall Error'), 'error');
 184       }
 185     }
 186
 187     if ($this->_action & CRM_Core_Action::ADD) {
 188       CRM_Extension_System::singleton()->getManager()->install(array($this->_key));
 189       CRM_Core_Session::setStatus("", ts('Extension Installed'), "success");
 190     }
 191
 192     if ($this->_action & CRM_Core_Action::ENABLE) {
 193       CRM_Extension_System::singleton()->getManager()->enable(array($this->_key));
 194       CRM_Core_Session::setStatus("", ts('Extension Enabled'), "success");
 195     }
 196
 197     if ($this->_action & CRM_Core_Action::DISABLE) {
 198       CRM_Extension_System::singleton()->getManager()->disable(array($this->_key));
 199       CRM_Core_Session::setStatus("", ts('Extension Disabled'), "success");
 200     }
 201
 202     if ($this->_action & CRM_Core_Action::UPDATE) {
 203       $result = civicrm_api('Extension', 'download', array(
 204         'version' => 3,
 205         'key' => $this->_key,
 206       ));
 207       if (! CRM_Utils_Array::value('is_error', $result, FALSE)) {
 208         CRM_Core_Session::setStatus("", ts('Extension Upgraded'), "success");
 209       } else {
 210         CRM_Core_Session::setStatus($result['error_message'], ts('Extension Upgrade Failed'), "error");
 211       }
 212     }
 213
 214     CRM_Utils_System::redirect(
 215       CRM_Utils_System::url(
 216         'civicrm/admin/extensions',
 217         'reset=1&action=browse'
 218       )
 219     );
 220   }
 221 }
 222