EditRightConstraint.php

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<?php
namespace MediaWiki\EditPage\Constraint;
 
use MediaWiki\Permissions\Authority;
use StatusValue;
 
class EditRightConstraint implements IEditConstraint {
 
    private $performer;
 
    private $result;
 
    public function __construct(
        Authority $performer
    ) {
        $this->performer = $performer;
    }
 
    public function checkConstraint(): string {
        // Check isn't simple enough to just repeat when getting the status
        if ( !$this->performer->isAllowed( 'edit' ) ) {
            $this->result = self::CONSTRAINT_FAILED;
            return self::CONSTRAINT_FAILED;
        }
 
        $this->result = self::CONSTRAINT_PASSED;
        return self::CONSTRAINT_PASSED;
    }
 
    public function getLegacyStatus(): StatusValue {
        $statusValue = StatusValue::newGood();
 
        if ( $this->result === self::CONSTRAINT_FAILED ) {
            if ( !$this->performer->getUser()->isRegistered() ) {
                $statusValue->setResult( false, self::AS_READ_ONLY_PAGE_ANON );
            } else {
                $statusValue->fatal( 'readonlytext' );
                $statusValue->value = self::AS_READ_ONLY_PAGE_LOGGED;
            }
        }
 
        return $statusValue;
    }
 
}