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

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<?php
namespace MediaWiki\Extension\DiscussionTools\Actions;
use Article;
use ErrorPageError;
use FormAction;
use MediaWiki\Context\IContextSource;
use MediaWiki\Extension\DiscussionTools\SubscriptionItem;
use MediaWiki\Extension\DiscussionTools\SubscriptionStore;
use MediaWiki\Html\Html;
use MediaWiki\HTMLForm\HTMLForm;
use MediaWiki\SpecialPage\SpecialPage;
use MediaWiki\Title\Title;
use MediaWiki\User\User;
use UserNotLoggedIn;
class UnsubscribeAction extends FormAction {
protected SubscriptionStore $subscriptionStore;
protected ?SubscriptionItem $subscriptionItem = null;
public function __construct(
Article $page,
IContextSource $context,
SubscriptionStore $subscriptionStore
) {
parent::__construct( $page, $context );
$this->subscriptionStore = $subscriptionStore;
}
/**
* @inheritDoc
*/
protected function getPageTitle() {
if ( $this->subscriptionItem && !str_starts_with( $this->subscriptionItem->getItemName(), 'p-topics-' ) ) {
$title = Title::newFromLinkTarget( $this->subscriptionItem->getLinkTarget() );
return $this->msg( 'discussiontools-topicsubscription-action-title' )
->plaintextParams( $title->getPrefixedText(), $title->getFragment() );
} else {
return parent::getPageTitle();
}
}
/**
* @inheritDoc
*/
public function show() {
$commentName = $this->getRequest()->getVal( 'commentname' );
if ( $commentName ) {
$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( str_starts_with( $this->subscriptionItem->getItemName(), 'p-topics-' ) ?
'discussiontools-topicsubscription-action-unsubscribe-prompt-newtopics' :
'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( str_starts_with( $this->subscriptionItem->getItemName(), 'p-topics-' ) ?
'discussiontools-newtopicssubscription-notify-unsubscribed-body' :
'discussiontools-topicsubscription-notify-unsubscribed-body' )->text()
)
);
$this->getOutput()->addReturnTo( $this->subscriptionItem->getLinkTarget() );
$this->getOutput()->addReturnTo( SpecialPage::getTitleFor( 'TopicSubscriptions' ) );
}
/**
* @inheritDoc
*/
protected function usesOOUI() {
return true;
}
/**
* @inheritDoc
* @throws ErrorPageError
*/
protected function checkCanExecute( User $user ) {
// Must be logged in
if ( !$user->isNamed() ) {
throw new UserNotLoggedIn();
}
if ( !$this->subscriptionItem ) {
throw new ErrorPageError(
'discussiontools-topicsubscription-error-not-found-title',
'discussiontools-topicsubscription-error-not-found-body'
);
}
parent::checkCanExecute( $user );
}
}