includes/installer/WebInstallerUpgrade.php

   1 <?php
   2 /**
   3  * This program is free software; you can redistribute it and/or modify
   4  * it under the terms of the GNU General Public License as published by
   5  * the Free Software Foundation; either version 2 of the License, or
   6  * (at your option) any later version.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  11  * GNU General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along
  14  * with this program; if not, write to the Free Software Foundation, Inc.,
  15  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  16  * http://www.gnu.org/copyleft/gpl.html
  17  *
  18  * @file
  19  * @ingroup Installer
  20  */
  21
  22 namespace MediaWiki\Installer;
  23
  24 class WebInstallerUpgrade extends WebInstallerPage {
  25
  26         /**
  27          * @return bool Always true.
  28          */
  29         public function isSlow() {
  30                 return true;
  31         }
  32
  33         /**
  34          * @return string|null
  35          */
  36         public function execute() {
  37                 if ( $this->getVar( '_UpgradeDone' ) ) {
  38                         // Allow regeneration of LocalSettings.php, unless we are working
  39                         // from a pre-existing LocalSettings.php file and we want to avoid
  40                         // leaking its contents
  41                         if ( $this->parent->request->wasPosted() && !$this->getVar( '_ExistingDBSettings' ) ) {
  42                                 // Done message acknowledged
  43                                 return 'continue';
  44                         }
  45                         // Back button click
  46                         // Show the done message again
  47                         // Make them click back again if they want to do the upgrade again
  48                         $this->showDoneMessage();
  49
  50                         return 'output';
  51                 }
  52
  53                 if ( !$this->parent->needsUpgrade() ) {
  54                         return 'skip';
  55                 }
  56
  57                 if ( $this->parent->request->wasPosted() ) {
  58                         $this->startLiveBox();
  59                         $result = $this->parent->doUpgrade();
  60                         $this->endLiveBox();
  61
  62                         if ( $result ) {
  63                                 $this->showDoneMessage();
  64                         } else {
  65                                 $this->startForm();
  66                                 $this->parent->showError( 'config-upgrade-error' );
  67                                 $this->endForm();
  68                         }
  69
  70                         return 'output';
  71                 }
  72
  73                 $this->startForm();
  74                 $this->addHTML( $this->parent->getInfoBox(
  75                         wfMessage( 'config-can-upgrade', MW_VERSION )->plain() ) );
  76                 $this->endForm();
  77
  78                 return null;
  79         }
  80
  81         public function showDoneMessage() {
  82                 $this->startForm();
  83                 $regenerate = !$this->getVar( '_ExistingDBSettings' );
  84                 if ( $regenerate ) {
  85                         $msg = 'config-upgrade-done';
  86                 } else {
  87                         $msg = 'config-upgrade-done-no-regenerate';
  88                 }
  89                 $this->parent->disableLinkPopups();
  90                 $this->addHTML(
  91                         $this->parent->getInfoBox(
  92                                 wfMessage( $msg,
  93                                         $this->getVar( 'wgServer' ) .
  94                                         $this->getVar( 'wgScriptPath' ) . '/index.php'
  95                                 )->plain(), 'tick-32.png'
  96                         )
  97                 );
  98                 $this->parent->restoreLinkPopups();
  99                 $this->endForm( $regenerate ? 'regenerate' : false, false );
 100         }
 101
 102 }