✏️ Editing: MailerError.php Writable

<?php // phpcs:ignore SlevomatCodingStandard.TypeHints.DeclareStrictTypes.DeclareStrictTypesMissing

namespace MailPoet\Mailer;

if (!defined('ABSPATH')) exit;

class MailerError {
  const OPERATION_CONNECT = 'connect';
  const OPERATION_SEND = 'send';
  const OPERATION_AUTHORIZATION = 'authorization';
  const OPERATION_DOMAIN_AUTHORIZATION = 'domain_authorization';
  const OPERATION_INSUFFICIENT_PRIVILEGES = 'insufficient_privileges';
  const OPERATION_SUBSCRIBER_LIMIT_REACHED = 'subscriber_limit_reached';
  const OPERATION_EMAIL_LIMIT_REACHED = 'email_limit_reached';
  const OPERATION_PENDING_APPROVAL = 'pending_approval';

const LEVEL_HARD = 'hard';
  const LEVEL_SOFT = 'soft';

/** @var string */
  private $operation;

/** @var string */
  private $level;

/** @var string|null */
  private $message;

/** @var int|null */
  private $retryInterval;

/** @var array */
  private $subscribersErrors = [];

/**
   * @param string $operation
   * @param string $level
   * @param null|string $message
   * @param int|null $retryInterval
   * @param array $subscribersErrors
   */
  public function __construct(
    $operation,
    $level,
    $message = null,
    $retryInterval = null,
    array $subscribersErrors = []
  ) {
    $this->operation = $operation;
    $this->level = $level;
    $this->message = $message;
    $this->retryInterval = $retryInterval;
    $this->subscribersErrors = $subscribersErrors;
  }

/**
   * @return string
   */
  public function getOperation() {
    return $this->operation;
  }

/**
   * @return string
   */
  public function getLevel() {
    return $this->level;
  }

/**
   * @return null|string
   */
  public function getMessage() {
    return $this->message;
  }

/**
   * @return int|null
   */
  public function getRetryInterval() {
    return $this->retryInterval;
  }

/**
   * @return SubscriberError[]
   */
  public function getSubscriberErrors() {
    return $this->subscribersErrors;
  }

public function getMessageWithFailedSubscribers() {
    $message = $this->message ?: '';
    if (!$this->subscribersErrors) {
      return $message;
    }

$message .= $this->message ? ' ' : '';

if (count($this->subscribersErrors) === 1) {
      $message .= __('Unprocessed subscriber:', 'mailpoet') . ' ';
    } else {
      $message .= __('Unprocessed subscribers:', 'mailpoet') . ' ';
    }

$message .= implode(
      ', ',
      array_map(function (SubscriberError $subscriberError) {
        return "($subscriberError)";
      }, $this->subscribersErrors)
    );
    return $message;
  }
}

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