AggregateGroupsSpecialPage.php

<?php
declare( strict_types = 1 );
 
namespace MediaWiki\Extension\Translate\MessageGroupProcessing;
 
use AggregateMessageGroup;
use MediaWiki\Cache\LinkBatchFactory;
use MediaWiki\Extension\Translate\MessageProcessing\MessageGroupMetadata;
use MediaWiki\Extension\Translate\Utilities\Utilities;
use MediaWiki\Html\Html;
use MediaWiki\SpecialPage\SpecialPage;
use Xml;
use XmlSelect;
 
class AggregateGroupsSpecialPage extends SpecialPage {
    private bool $hasPermission = false;
    private LinkBatchFactory $linkBatchFactory;
    private ?XmlSelect $languageSelector = null;
    private MessageGroupMetadata $messageGroupMetadata;
    private AggregateGroupManager $aggregateGroupManager;
 
    public function __construct(
        LinkBatchFactory $linkBatchFactory,
        MessageGroupMetadata $messageGroupMetadata,
        AggregateGroupManager $aggregateGroupManager
    ) {
        parent::__construct( 'AggregateGroups', 'translate-manage' );
        $this->linkBatchFactory = $linkBatchFactory;
        $this->messageGroupMetadata = $messageGroupMetadata;
        $this->aggregateGroupManager = $aggregateGroupManager;
    }
 
    protected function getGroupName(): string {
        return 'translation';
    }
 
    public function execute( $parameters ): void {
        $this->setHeaders();
        $this->addHelpLink( 'Help:Extension:Translate/Page translation administration' );
 
        $out = $this->getOutput();
        $out->addModuleStyles( 'ext.translate.specialpages.styles' );
 
        // Check permissions
        if ( $this->getUser()->isAllowed( 'translate-manage' ) ) {
            $this->hasPermission = true;
        }
 
        $groupsPreload = MessageGroups::getGroupsByType( AggregateMessageGroup::class );
        $this->messageGroupMetadata->preloadGroups( array_keys( $groupsPreload ), __METHOD__ );
 
        $groups = MessageGroups::getAllGroups();
        uasort( $groups, [ MessageGroups::class, 'groupLabelSort' ] );
        $aggregates = [];
        $pages = [];
        foreach ( $groups as $group ) {
            if ( $this->aggregateGroupManager->supportsAggregation( $group ) ) {
                $pages[] = $group;
            } elseif ( $group instanceof AggregateMessageGroup ) {
                // Filter out AggregateGroups configured in YAML
                $subgroups = $this->messageGroupMetadata->getSubgroups( $group->getId() );
                if ( $subgroups !== null ) {
                    $aggregates[] = $group;
                }
            }
        }
 
        if ( !$pages ) {
            // @todo Use different message
            $out->addWikiMsg( 'tpt-list-nopages' );
 
            return;
        }
 
        $this->showAggregateGroups( $aggregates );
    }
 
    protected function showAggregateGroup( AggregateMessageGroup $group ): string {
        $id = $group->getId();
        $label = $group->getLabel();
        $desc = $group->getDescription( $this->getContext() );
        $sourceLanguage = $this->messageGroupMetadata->get( $id, 'sourcelanguagecode' );
 
        $edit = '';
        $remove = '';
        $editGroup = '';
 
        // Add divs for editing Aggregate Groups
        if ( $this->hasPermission ) {
            // Group edit and remove buttons
            $edit = Html::element( 'span', [ 'class' => 'tp-aggregate-edit-ag-button' ] );
            $remove = Html::element( 'span', [ 'class' => 'tp-aggregate-remove-ag-button' ] );
 
            // Edit group div
            $languageSelector = $this->getLanguageSelector( 'edit', $sourceLanguage ?: '-' );
 
            $editGroupNameLabel = $this->msg( 'tpt-aggregategroup-edit-name' )->escaped();
            $editGroupName = Html::input(
                'tp-agg-name',
                $label,
                'text',
                [ 'class' => 'tp-aggregategroup-edit-name', 'maxlength' => '200' ]
            );
            $editGroupDescriptionLabel = $this->msg( 'tpt-aggregategroup-edit-description' )->escaped();
            $editGroupDescription = Html::input(
                'tp-agg-desc',
                $desc,
                'text',
                [ 'class' => 'tp-aggregategroup-edit-description' ]
            );
            $saveButton = Xml::submitButton(
                $this->msg( 'tpt-aggregategroup-update' )->text(),
                [ 'class' => 'tp-aggregategroup-update' ]
            );
            $cancelButton = Xml::submitButton(
                $this->msg( 'tpt-aggregategroup-update-cancel' )->text(),
                [ 'class' => 'tp-aggregategroup-update-cancel' ]
            );
            $editGroup = Html::rawElement(
                'div',
                [ 'class' => 'tp-edit-group hidden' ],
                $editGroupNameLabel .
                $editGroupName .
                '<br />' .
                $editGroupDescriptionLabel .
                $editGroupDescription .
                '<br />' .
                $languageSelector .
                '<br />' .
                $saveButton .
                $cancelButton
            );
        }
 
        // Not calling $parent->getGroups() because it has done filtering already
        $subGroups = $this->messageGroupMetadata->getSubgroups( $id );
        $shouldExpand = count( $subGroups ) <= 3;
        $subGroupsId = $this->htmlIdForGroup( $group->getId(), 'tp-subgroup-' );
 
        // Aggregate Group info div
        $groupName = Html::rawElement(
            'h2',
            [ 'class' => 'tp-name' ],
            $this->getGroupToggleIcon( $subGroupsId, $shouldExpand ) . htmlspecialchars( $label ) . $edit . $remove
        );
        $groupDesc = Html::element(
            'p',
            [ 'class' => 'tp-desc' ],
            $desc
        );
        $groupInfo = Html::rawElement(
            'div',
            [ 'class' => 'tp-display-group' ],
            $groupName . $groupDesc
        );
 
        $out = Html::openElement(
            'div',
            [
                'class' => 'mw-tpa-group js-mw-tpa-group' . ( $shouldExpand ? ' mw-tpa-group-open' : '' ),
                'data-groupid' => $id,
                'data-id' => $this->htmlIdForGroup( $group->getId() )
            ]
        );
        $out .= $groupInfo;
        $out .= $editGroup;
        $out .= Html::openElement( 'div', [ 'class' => 'tp-sub-groups', 'id' => $subGroupsId ] );
        $out .= $this->listSubgroups( $id, $subGroups );
        $out .= Html::closeElement( 'div' );
        $out .= '</div>';
 
        return $out;
    }
 
    private function showAggregateGroups( array $aggregates ): void {
        $out = $this->getOutput();
        $out->addModules( 'ext.translate.special.aggregategroups' );
 
        $nojs = Html::errorBox(
            $this->msg( 'tux-nojs' )->escaped(),
            '',
            'tux-nojs'
        );
 
        $out->addHTML( $nojs );
 
        // Add new group if user has permissions
        if ( $this->hasPermission ) {
            $out->addHTML(
                "<a class='tpt-add-new-group' href='#'>" .
                    $this->msg( 'tpt-aggregategroup-add-new' )->escaped() .
                    '</a>'
            );
            $languageSelector = $this->getLanguageSelector( 'add', '-' );
            $newGroupNameLabel = $this->msg( 'tpt-aggregategroup-new-name' )->escaped();
            $newGroupName = Html::element( 'input', [ 'class' => 'tp-aggregategroup-add-name', 'maxlength' => '200' ] );
            $newGroupDescriptionLabel = $this->msg( 'tpt-aggregategroup-new-description' )->escaped();
            $newGroupDescription = Html::element( 'input', [ 'class' => 'tp-aggregategroup-add-description' ] );
            $saveButton = Html::element(
                'input',
                [
                    'type' => 'button',
                    'value' => $this->msg( 'tpt-aggregategroup-save' )->text(),
                    'id' => 'tpt-aggregategroups-save',
                    'class' => 'tp-aggregate-save-button'
                ]
            );
            $closeButton = Html::element(
                'input',
                [
                    'type' => 'button',
                    'value' => $this->msg( 'tpt-aggregategroup-close' )->text(),
                    'id' => 'tpt-aggregategroups-close'
                ]
            );
            $newGroupDiv = Html::rawElement(
                'div',
                [ 'class' => 'tpt-add-new-group hidden' ],
                "$newGroupNameLabel $newGroupName<br />" .
                "$newGroupDescriptionLabel $newGroupDescription<br />" .
                "$languageSelector <br />"
                . $saveButton
                . $closeButton
            );
            $out->addHTML( $newGroupDiv );
        }
 
        $out->addHTML( Html::openElement( 'div', [ 'class' => 'mw-tpa-groups' ] ) );
        foreach ( $aggregates as $group ) {
            $out->addHTML( $this->showAggregateGroup( $group ) );
        }
        $out->addHTML( Html::closeElement( 'div' ) );
    }
 
    private function listSubgroups( string $groupId, array $subGroupIds ): string {
        $id = $this->htmlIdForGroup( $groupId, 'mw-tpa-grouplist-' );
        $out = Html::openElement( 'ol', [ 'id' => $id ] );
 
        // Get the respective groups and sort them
        $subgroups = MessageGroups::getGroupsById( $subGroupIds );
        uasort( $subgroups, [ MessageGroups::class, 'groupLabelSort' ] );
 
        // Avoid potentially thousands of separate database queries from LinkRenderer::makeKnownLink
        $groupCache = [];
        $lb = $this->linkBatchFactory->newLinkBatch();
        foreach ( $subgroups as $group ) {
            $subGroupId = $group->getId();
            $groupCache[ $subGroupId ] = $this->aggregateGroupManager->getTargetTitleByGroupId( $subGroupId );
            $lb->addObj( $groupCache[ $subGroupId ] );
        }
        $lb->setCaller( __METHOD__ );
        $lb->execute();
 
        // Add missing invalid group ids back, not returned by getGroupsById
        foreach ( $subGroupIds as $id ) {
            if ( !isset( $subgroups[$id] ) ) {
                $subgroups[$id] = null;
            }
        }
 
        foreach ( $subgroups as $id => $group ) {
            $remove = '';
            if ( $this->hasPermission ) {
                $remove = Html::element(
                    'span',
                    [ 'class' => 'tp-aggregate-remove-button', 'data-groupid' => $id ]
                );
            }
 
            if ( $group ) {
                $text = $this->getLinkRenderer()->makeKnownLink( $groupCache[ $group->getId() ], $group->getLabel() );
                $note = htmlspecialchars( MessageGroups::getPriority( $id ) );
            } else {
                $text = htmlspecialchars( $id );
                $note = $this->msg( 'tpt-aggregategroup-invalid-group' )->escaped();
            }
 
            $out .= Html::rawElement( 'li', [], "$text$remove $note" );
        }
        $out .= Html::closeElement( 'ol' );
 
        return $out;
    }
 
    private function htmlIdForGroup( string $groupId, string $prefix = '' ): string {
        $id = sha1( $groupId );
        $id = substr( $id, 5, 8 );
 
        return $prefix . $id;
    }
 
    private function getGroupToggleIcon( string $targetElementId, bool $shouldExpand ): string {
        if ( $shouldExpand ) {
            $title = $this->msg( 'tpt-aggregategroup-collapse-group' )->plain();
        } else {
            $title = $this->msg( 'tpt-aggregategroup-expand-group' )->plain();
        }
 
        return Html::rawElement(
            'button',
            [
                'type' => 'button',
                'title' => $title,
                'class' => 'js-tp-toggle-groups tp-toggle-group-icon',
                'aria-expanded' => $shouldExpand ? 'true' : 'false',
                'aria-controls' => $targetElementId
            ]
        );
    }
 
    private function getLanguageSelector( string $action, string $languageToSelect ): string {
        if ( $this->languageSelector == null ) {
            // This should be set according to UI language
            $this->languageSelector = Utilities::getLanguageSelector(
                $this->getContext()->getLanguage()->getCode(),
                '-'
            );
        }
 
        $this->languageSelector->setAttribute( 'class', "tp-aggregategroup-$action-source-language" );
        $this->languageSelector->setDefault( $languageToSelect );
        $selector = $this->languageSelector->getHTML();
 
        $languageSelectorLabel = $this->msg( 'tpt-aggregategroup-select-source-language' )->escaped();
        return $languageSelectorLabel . $selector;
    }
}