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| 1 | <?php |
| 2 | |
| 3 | namespace ArticlePlaceholder\Specials; |
| 4 | |
| 5 | use HTMLForm; |
| 6 | use MediaWiki\MediaWikiServices; |
| 7 | use MediaWiki\SpecialPage\UnlistedSpecialPage; |
| 8 | use MediaWiki\Title\Title; |
| 9 | use Message; |
| 10 | use PermissionsError; |
| 11 | |
| 12 | /** |
| 13 | * The CreateTopicPage SpecialPage for the ArticlePlaceholder extension |
| 14 | * |
| 15 | * @ingroup Extensions |
| 16 | * @license GPL-2.0-or-later |
| 17 | * @author Florian Schmidt |
| 18 | */ |
| 19 | class SpecialCreateTopicPage extends UnlistedSpecialPage { |
| 20 | |
| 21 | public function __construct() { |
| 22 | parent::__construct( 'CreateTopicPage' ); |
| 23 | } |
| 24 | |
| 25 | /** |
| 26 | * @param string|null $par |
| 27 | */ |
| 28 | public function execute( $par ) { |
| 29 | $out = $this->getOutput(); |
| 30 | $this->setHeaders(); |
| 31 | if ( $this->getRequest()->getVal( 'ref' ) === 'button' ) { |
| 32 | $statsd = MediaWikiServices::getInstance()->getStatsdDataFactory(); |
| 33 | $statsd->increment( 'wikibase.articleplaceholder.button.createArticle' ); |
| 34 | } |
| 35 | $page = $this->getRequest()->getVal( 'wptitleinput', $par ); |
| 36 | if ( $page === '' || $page === null ) { |
| 37 | $this->showNoOrInvalidTitleGivenMessage(); |
| 38 | return; |
| 39 | } |
| 40 | $title = Title::newFromText( $page ); |
| 41 | if ( $title === null ) { |
| 42 | $this->showNoOrInvalidTitleGivenMessage( 'invalid' ); |
| 43 | return; |
| 44 | } |
| 45 | $out->setPageTitle( $this->msg( 'articleplaceholder-createpage-title', $title->getText() ) ); |
| 46 | if ( $title->exists() ) { |
| 47 | $this->showAlreadyExistsMessage( $title ); |
| 48 | return; |
| 49 | } |
| 50 | |
| 51 | $permissionErrors = MediaWikiServices::getInstance()->getPermissionManager() |
| 52 | ->getPermissionErrors( 'edit', $this->getUser(), $title ); |
| 53 | if ( $permissionErrors ) { |
| 54 | throw new PermissionsError( 'edit', $permissionErrors ); |
| 55 | } |
| 56 | |
| 57 | $out->redirect( $title->getLocalURL( [ 'action' => 'edit' ] ) ); |
| 58 | } |
| 59 | |
| 60 | /** |
| 61 | * Displays a form that gives the user the information, that the page (with |
| 62 | * the currently tried title) already exists and that he should |
| 63 | * choose another title. |
| 64 | * |
| 65 | * @param Title $title |
| 66 | */ |
| 67 | private function showAlreadyExistsMessage( Title $title ) { |
| 68 | $this->showTitleInputWithMessage( |
| 69 | $this->msg( 'articleplaceholder-createpage-alreadyexists', $title->getText() ) |
| 70 | ); |
| 71 | } |
| 72 | |
| 73 | /** |
| 74 | * Displays a form that gives the user the information, that the page title, he wants to |
| 75 | * create, is invalid or none is given and that he should provide one. |
| 76 | * |
| 77 | * @param string $invalid |
| 78 | */ |
| 79 | private function showNoOrInvalidTitleGivenMessage( $invalid = 'missing' ) { |
| 80 | $this->showTitleInputWithMessage( |
| 81 | $this->msg( $invalid === 'invalid' ? |
| 82 | 'articleplaceholder-createpage-invalidtitleprovided' : |
| 83 | 'articleplaceholder-createpage-notitleprovided' |
| 84 | ) |
| 85 | ); |
| 86 | } |
| 87 | |
| 88 | /** |
| 89 | * Displays a form that with the information that he should |
| 90 | * choose another title. The given message key is used as a |
| 91 | * reason why he need to do this. |
| 92 | * |
| 93 | * @param Message $msg |
| 94 | */ |
| 95 | private function showTitleInputWithMessage( Message $msg ) { |
| 96 | HTMLForm::factory( |
| 97 | 'ooui', |
| 98 | [ 'titleinput' => [ 'type' => 'text' ] ], |
| 99 | $this->getContext() |
| 100 | )->setMethod( 'get' ) |
| 101 | ->setWrapperLegendMsg( $msg ) |
| 102 | ->setSubmitTextMsg( 'create' ) |
| 103 | ->prepareForm() |
| 104 | ->displayForm( false ); |
| 105 | } |
| 106 | |
| 107 | } |