mediawiki-extensions-Discus.../includes/Actions/UnsubscribeAction.php

171 lines
3.4 KiB
PHP
Raw Normal View History

<?php
namespace MediaWiki\Extension\DiscussionTools\Actions;
use ErrorPageError;
use FormAction;
use Html;
use HTMLForm;
use IContextSource;
use MediaWiki\Extension\DiscussionTools\SubscriptionItem;
use MediaWiki\Extension\DiscussionTools\SubscriptionStore;
use MediaWiki\MediaWikiServices;
use Page;
use Title;
use User;
use UserNotLoggedIn;
class UnsubscribeAction extends FormAction {
/** @var SubscriptionStore */
protected $subscriptionStore;
/** @var Subscriptionitem */
protected $subscriptionItem = null;
/**
* @inheritDoc
*/
public function __construct( Page $page, IContextSource $context = null ) {
parent::__construct( $page, $context );
}
/**
* @inheritDoc
*/
protected function getPageTitle() {
if ( $this->subscriptionItem ) {
$title = Title::newFromLinkTarget( $this->subscriptionItem->getLinkTarget() );
return htmlspecialchars( $title->getPrefixedText() ) .
$this->msg( 'pipe-separator' )->escaped() .
htmlspecialchars( $title->getFragment() );
} else {
return parent::getPageTitle();
}
}
/**
* @inheritDoc
*/
public function show() {
$commentName = $this->getRequest()->getVal( 'commentname' );
if ( $commentName ) {
$this->subscriptionStore =
MediaWikiServices::getInstance()->getService( 'DiscussionTools.SubscriptionStore' );
$subscriptionItems = $this->subscriptionStore->getSubscriptionItemsForUser(
$this->getUser(),
[ $commentName ]
// We could check the user is still subscribed, but then we'd need more error messages
);
if ( count( $subscriptionItems ) > 0 ) {
$this->subscriptionItem = $subscriptionItems[ 0 ];
}
}
parent::show();
}
/**
* @inheritDoc
*/
public function getName() {
return 'dtunsubscribe';
}
/**
* @inheritDoc
*/
public function requiresUnblock() {
return false;
}
/**
* @inheritDoc
*/
protected function getDescription() {
return '';
}
/**
* @inheritDoc
*/
protected function getFormFields() {
if ( $this->subscriptionItem ) {
return [
'commentname' => [
'name' => 'commentname',
'type' => 'hidden',
'default' => $this->getRequest()->getVal( 'commentname' ),
],
'intro' => [
'type' => 'info',
'raw' => true,
'default' => $this->msg( 'discussiontools-topicsubscription-action-unsubscribe-prompt' )->parse(),
],
];
} else {
return [];
}
}
/**
* @inheritDoc
*/
protected function alterForm( HTMLForm $form ) {
$form->setSubmitTextMsg( 'discussiontools-topicsubscription-action-unsubscribe-button' );
}
/**
* @inheritDoc
*/
public function onSubmit( $data ) {
$commentName = $this->getRequest()->getVal( 'commentname' );
return $this->subscriptionStore->removeSubscriptionForUser(
$this->getUser(),
$commentName
);
}
/**
* @inheritDoc
*/
public function onSuccess() {
$this->getOutput()->addHTML(
Html::element(
'p',
[],
$this->msg( 'discussiontools-topicsubscription-notify-unsubscribed-body' )->text()
)
);
}
/**
* @inheritDoc
*/
protected function usesOOUI() {
return true;
}
/**
* @inheritDoc
*/
protected function checkCanExecute( User $user ) {
// Must be logged in
if ( $user->isAnon() ) {
throw new UserNotLoggedIn();
}
if ( !$this->subscriptionItem ) {
throw new ErrorPageError(
'discussiontools-topicsubscription-error-not-found-title',
'discussiontools-topicsubscription-error-not-found-body'
);
}
parent::checkCanExecute( $user );
}
}