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<?php
declare( strict_types = 1 );
namespace MediaWiki\Extension\Translate\PageTranslation;
use MediaWiki\Status\Status;
use MediaWiki\Title\Title;
/**
* Collection of pages potentially affected by a page move operation.
* @author Abijeet Patro
* @license GPL-2.0-or-later
* @since 2021.09
*/
class PageMoveCollection {
private PageMoveOperation $translatablePage;
/** @var PageMoveOperation[] */
private array $translationPagePairs;
/** @var PageMoveOperation[] */
private array $unitPagesPairs;
/** @var PageMoveOperation[] */
private array $subpagesPairs;
/** @var PageMoveOperation[] */
private array $talkpagesPairs;
/** @var Title[] */
private array $translatableSubpages;
/** @var array<string,Status> */
private array $nonMovableSubpages;
/**
* @param PageMoveOperation $translatablePage
* @param PageMoveOperation[] $translationPagePairs Translation pages
* @param PageMoveOperation[] $unitPagesPairs Translation unit pages
* @param PageMoveOperation[] $subpagesPairs Non-translatable subpages
* @param array<string,Status> $nonMovableSubpages Subpages that are not movable
* @param Title[] $translatableSubpages
*/
public function __construct(
PageMoveOperation $translatablePage,
array $translationPagePairs,
array $unitPagesPairs,
array $subpagesPairs,
array $nonMovableSubpages,
array $translatableSubpages
) {
$this->translatablePage = $translatablePage;
$this->translationPagePairs = $translationPagePairs;
$this->unitPagesPairs = $unitPagesPairs;
$this->subpagesPairs = $subpagesPairs;
$this->translatableSubpages = $translatableSubpages;
// Populate the talk pages from the various inputs.
$this->talkpagesPairs = $this->getTalkpages(
$this->translatablePage, ...$translationPagePairs, ...$unitPagesPairs, ...$subpagesPairs
);
$this->nonMovableSubpages = $nonMovableSubpages;
}
public function getTranslatablePage(): PageMoveOperation {
return $this->translatablePage;
}
/** @return PageMoveOperation[] */
public function getTranslationPagesPair(): array {
return $this->translationPagePairs;
}
/** @return PageMoveOperation[] */
public function getUnitPagesPair(): array {
return $this->unitPagesPairs;
}
/** @return PageMoveOperation[] */
public function getSubpagesPair(): array {
return $this->subpagesPairs;
}
/** @return Title[] */
public function getTranslatableSubpages(): array {
return $this->translatableSubpages;
}
/** @return Title[] */
public function getTranslationPages(): array {
return $this->getOldPagesFromList( $this->translationPagePairs );
}
/** @return Title[] */
public function getUnitPages(): array {
return $this->getOldPagesFromList( $this->unitPagesPairs );
}
/** @return Title[] */
public function getSubpages(): array {
return $this->getOldPagesFromList( $this->subpagesPairs );
}
/** @return string[] */
public function getListOfPages(): array {
$pageList = [
$this->translatablePage->getOldTitle()->getPrefixedText() =>
$this->translatablePage->getNewTitle() ?
$this->translatablePage->getNewTitle()->getPrefixedText() : null
];
$pageList = array_merge( $pageList, $this->getPagePairFromList( $this->translationPagePairs ) );
$pageList = array_merge( $pageList, $this->getPagePairFromList( $this->unitPagesPairs ) );
$pageList = array_merge( $pageList, $this->getPagePairFromList( $this->subpagesPairs ) );
$pageList = array_merge( $pageList, $this->getPagePairFromList( $this->talkpagesPairs ) );
return $pageList;
}
/** @return array<string,bool> */
public function getListOfPagesToRedirect(): array {
$redirects = [
$this->translatablePage->getOldTitle()->getPrefixedText() =>
$this->translatablePage->shouldLeaveRedirect()
];
$redirects = array_merge( $redirects, $this->getLeaveRedirectPairFromList( $this->translationPagePairs ) );
$redirects = array_merge( $redirects, $this->getLeaveRedirectPairFromList( $this->unitPagesPairs ) );
$redirects = array_merge( $redirects, $this->getLeaveRedirectPairFromList( $this->subpagesPairs ) );
$redirects = array_merge( $redirects, $this->getLeaveRedirectPairFromList( $this->talkpagesPairs ) );
return $redirects;
}
/**
* Get list of subpages which cannot be moved for various reasons
* (e.g. the target page already exists). Those do not include translatable
* subpages which cannot be moved because of current limitation.
*/
public function getNonMovableSubpages(): array {
return $this->nonMovableSubpages;
}
/**
* @param PageMoveOperation[] $pagePairs
* @return Title[]
*/
private function getOldPagesFromList( array $pagePairs ): array {
$oldTitles = [];
foreach ( $pagePairs as $pair ) {
$oldTitles[] = $pair->getOldTitle();
}
return $oldTitles;
}
/** @return string[] */
private function getPagePairFromList( array $pagePairs ): array {
$pairs = [];
foreach ( $pagePairs as $pair ) {
$pairs[ $pair->getOldTitle()->getPrefixedText() ] =
$pair->getNewTitle() ? $pair->getNewTitle()->getPrefixedText() : null;
}
return $pairs;
}
/** @return array<string,bool> */
private function getLeaveRedirectPairFromList( array $pagePairs ): array {
$pairs = [];
foreach ( $pagePairs as $pair ) {
if ( $pair->shouldLeaveRedirect() ) {
$pairs[ $pair->getOldTitle()->getPrefixedText() ] = true;
$talkpage = $pair->getOldTalkPage();
if ( $talkpage ) {
$pairs[ $talkpage->getPrefixedText() ] = true;
}
}
}
return $pairs;
}
/** @return PageMoveOperation[] */
private function getTalkpages( PageMoveOperation ...$allMoveOperations ): array {
$talkpagesPairs = [];
foreach ( $allMoveOperations as $moveOperation ) {
if ( $moveOperation->hasTalkpage() ) {
$talkpagesPairs[] = new PageMoveOperation(
$moveOperation->getOldTalkpage(), $moveOperation->getNewTalkpage()
);
}
}
return $talkpagesPairs;
}
}