WebInstallerInstall.php

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<?php
 
namespace MediaWiki\Installer;
 
use MediaWiki\Installer\Task\Task;
use MediaWiki\Status\Status;
 
class WebInstallerInstall extends WebInstallerPage {
 
    public function isSlow() {
        return true;
    }
 
    public function execute() {
        if ( $this->getVar( '_UpgradeDone' ) ) {
            return 'skip';
        } elseif ( $this->getVar( '_InstallDone' ) ) {
            return 'continue';
        } elseif ( $this->parent->request->wasPosted() ) {
            $this->startForm();
            $this->addHTML( "<ul>" );
            $status = $this->parent->performInstallation(
                $this->startStage( ... ),
                $this->endStage( ... )
            );
            $this->addHTML( "</ul>" );
            $continue = $status->isOK() ? 'continue' : false;
            $back = $status->isOK() ? false : 'back';
            $this->endForm( $continue, $back );
        } else {
            $this->startForm();
            $this->addHTML( $this->parent->getInfoBox( wfMessage( 'config-install-begin' )->plain() ) );
            $this->endForm();
        }
 
        return true;
    }
 
    public function startStage( $task ) {
        $this->addHTML( "<li>" . $task->getDescriptionMessage()->escaped() .
            wfMessage( 'ellipsis' )->escaped() );
 
        if ( $task->getName() == 'extension-tables' ) {
            $this->startLiveBox();
        }
    }
 
    public function endStage( $task, $status ) {
        if ( $task->getName() == 'extension-tables' ) {
            $this->endLiveBox();
        }
        $msg = $status->isOK() ? 'config-install-step-done' : 'config-install-step-failed';
        $html = wfMessage( 'word-separator' )->escaped() . wfMessage( $msg )->escaped();
        if ( !$status->isOK() ) {
            $html = "<span class=\"error\">$html</span>";
        }
        $this->addHTML( $html . "</li>\n" );
        if ( !$status->isGood() ) {
            $this->parent->showStatusBox( $status );
        }
    }
 
}