CRM/Admin/Form/Extensions.php

   1 <?php
   2 /*
   3  +--------------------------------------------------------------------+
   4  | CiviCRM version 4.6                                                |
   5  +--------------------------------------------------------------------+
   6  | Copyright CiviCRM LLC (c) 2004-2014                                |
   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) 2004-2014
  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    * For pre-processing
  44    *
  45    * @return void
  46    */
  47   public function preProcess() {
  48     parent::preProcess();
  49
  50     $this->_key = CRM_Utils_Request::retrieve('key', 'String',
  51       $this, FALSE, 0
  52     );
  53
  54     $session = CRM_Core_Session::singleton();
  55     $url = CRM_Utils_System::url('civicrm/admin/extensions', 'reset=1&action=browse');
  56     $session->pushUserContext($url);
  57     $this->assign('id', $this->_id);
  58     $this->assign('key', $this->_key);
  59
  60     switch ($this->_action) {
  61       case CRM_Core_Action::ADD:
  62       case CRM_Core_Action::DELETE:
  63       case CRM_Core_Action::ENABLE:
  64       case CRM_Core_Action::DISABLE:
  65         $info = CRM_Extension_System::singleton()->getMapper()->keyToInfo($this->_key);
  66         $extInfo = CRM_Admin_Page_Extensions::createExtendedInfo($info);
  67         $this->assign('extension', $extInfo);
  68         break;
  69
  70       case CRM_Core_Action::UPDATE:
  71         if (!CRM_Extension_System::singleton()->getBrowser()->isEnabled()) {
  72           CRM_Core_Error::fatal(ts('The system administrator has disabled this feature.'));
  73         }
  74         $info = CRM_Extension_System::singleton()->getBrowser()->getExtension($this->_key);
  75         $extInfo = CRM_Admin_Page_Extensions::createExtendedInfo($info);
  76         $this->assign('extension', $extInfo);
  77         break;
  78
  79       default:
  80         CRM_Core_Error::fatal(ts('Unsupported action'));
  81     }
  82
  83   }
  84
  85   /**
  86    * Set default values for the form.
  87    * the default values are retrieved from the database
  88    *
  89    *
  90    * @return void
  91    */
  92   public function setDefaultValues() {
  93     $defaults = array();
  94     return $defaults;
  95   }
  96
  97   /**
  98    * Build the form object
  99    *
 100    * @return void
 101    */
 102   public function buildQuickForm() {
 103
 104     $info = CRM_Extension_System::singleton()->getMapper()->keyToInfo($this->_key);
 105     $extInfo = CRM_Admin_Page_Extensions::createExtendedInfo($info);
 106     $extName = $extInfo['name'];
 107
 108     switch ($this->_action) {
 109       case CRM_Core_Action::ADD:
 110         $buttonName = ts('Install');
 111         $title = ts('Install ' . $extName . '?');
 112         break;
 113
 114       case CRM_Core_Action::UPDATE:
 115         $buttonName = ts('Download and Install');
 116         $title = ts('Download and Install ' . $extName . '?');
 117         break;
 118
 119       case CRM_Core_Action::DELETE:
 120         $buttonName = ts('Uninstall');
 121         $title = ts('Uninstall ' . $extName . '?');
 122         break;
 123
 124       case CRM_Core_Action::ENABLE:
 125         $buttonName = ts('Enable');
 126         $title = ts('Enable ' . $extName . '?');
 127         break;
 128
 129       case CRM_Core_Action::DISABLE:
 130         $buttonName = ts('Disable');
 131         $title = ts('Disable ' . $extName . '?');
 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
 154    *   The input form values.
 155    * @param array $files
 156    *   The uploaded files if any.
 157    * @param array $self
 158    *   This object.
 159    *
 160    * @return bool|array
 161    *   true if no errors, else an array of errors
 162    */
 163   public static function formRule($fields, $files, $self) {
 164     $errors = array();
 165
 166     return empty($errors) ? TRUE : $errors;
 167   }
 168
 169   /**
 170    * Process the form submission
 171    *
 172    *
 173    * @return void
 174    */
 175   public function postProcess() {
 176     CRM_Utils_System::flushCache();
 177
 178     if ($this->_action & CRM_Core_Action::DELETE) {
 179       try {
 180         CRM_Extension_System::singleton()->getManager()->uninstall(array($this->_key));
 181         CRM_Core_Session::setStatus("", ts('Extension Uninstalled'), "success");
 182       }
 183       catch (CRM_Extension_Exception_DependencyException $e) {
 184         // currently only thrown for payment-processor dependencies
 185         CRM_Core_Session::setStatus(ts('Cannot uninstall this extension - there is at least one payment processor using the payment processor type provided by it.'), ts('Uninstall Error'), 'error');
 186       }
 187     }
 188
 189     if ($this->_action & CRM_Core_Action::ADD) {
 190       CRM_Extension_System::singleton()->getManager()->install(array($this->_key));
 191       CRM_Core_Session::setStatus("", ts('Extension Installed'), "success");
 192     }
 193
 194     if ($this->_action & CRM_Core_Action::ENABLE) {
 195       CRM_Extension_System::singleton()->getManager()->enable(array($this->_key));
 196       CRM_Core_Session::setStatus("", ts('Extension Enabled'), "success");
 197     }
 198
 199     if ($this->_action & CRM_Core_Action::DISABLE) {
 200       CRM_Extension_System::singleton()->getManager()->disable(array($this->_key));
 201       CRM_Core_Session::setStatus("", ts('Extension Disabled'), "success");
 202     }
 203
 204     if ($this->_action & CRM_Core_Action::UPDATE) {
 205       $result = civicrm_api('Extension', 'download', array(
 206         'version' => 3,
 207         'key' => $this->_key,
 208       ));
 209       if (!CRM_Utils_Array::value('is_error', $result, FALSE)) {
 210         CRM_Core_Session::setStatus("", ts('Extension Upgraded'), "success");
 211       }
 212       else {
 213         CRM_Core_Session::setStatus($result['error_message'], ts('Extension Upgrade Failed'), "error");
 214       }
 215     }
 216
 217     CRM_Utils_System::redirect(
 218       CRM_Utils_System::url(
 219         'civicrm/admin/extensions',
 220         'reset=1&action=browse'
 221       )
 222     );
 223   }
 224
 225 }