Add blacklist to Mailer [MAILPOET-2176]

lib/Mailer/Methods/ErrorMappers/AmazonSESMapper.php

@@ -7,8 +7,11 @@ use MailPoet\Mailer\SubscriberError;
 use MailPoet\WP\Functions as WPFunctions;
 
 class AmazonSESMapper {
+  use BlacklistErrorMapperTrait;
   use ConnectionErrorMapperTrait;
 
+  const METHOD = Mailer::METHOD_AMAZONSES;
+
   function getErrorFromException(\Exception $e, $subscriber) {
     $level = MailerError::LEVEL_HARD;
     if ($e instanceof \Swift_RfcComplianceException) {

lib/Mailer/Methods/ErrorMappers/BlacklistErrorMapperTrait.php

@@ -0,0 +1,14 @@
+<?php
+namespace MailPoet\Mailer\Methods\ErrorMappers;
+
+use MailPoet\Mailer\MailerError;
+use MailPoet\Mailer\SubscriberError;
+use MailPoet\WP\Functions as WPFunctions;
+
+trait BlacklistErrorMapperTrait {
+  function getBlacklistError($subscriber) {
+    $message = sprintf(WPFunctions::get()->__('%s has returned an unknown error.', 'mailpoet'), self::METHOD);
+    $subscriber_errors = [new SubscriberError($subscriber, null)];
+    return new MailerError(MailerError::OPERATION_SEND, MailerError::LEVEL_SOFT, $message, null, $subscriber_errors);
+  }
+}

lib/Mailer/Methods/ErrorMappers/MailPoetMapper.php

@@ -2,6 +2,7 @@
 namespace MailPoet\Mailer\Methods\ErrorMappers;
 
 use MailPoet\Mailer\MailerError;
+use MailPoet\Mailer\Mailer;
 use MailPoet\Mailer\SubscriberError;
 use MailPoet\Services\Bridge\API;
 use InvalidArgumentException;
@@ -14,8 +15,11 @@ if (!defined('ABSPATH')) exit;
 
 
 class MailPoetMapper {
+  use BlacklistErrorMapperTrait;
   use ConnectionErrorMapperTrait;
 
+  const METHOD = Mailer::METHOD_MAILPOET;
+
   const TEMPORARY_UNAVAILABLE_RETRY_INTERVAL = 300; // seconds
 
   function getInvalidApiKeyError() {

lib/Mailer/Methods/ErrorMappers/PHPMailMapper.php

@@ -7,8 +7,11 @@ use MailPoet\Mailer\SubscriberError;
 use MailPoet\WP\Functions as WPFunctions;
 
 class PHPMailMapper {
+  use BlacklistErrorMapperTrait;
   use ConnectionErrorMapperTrait;
 
+  const METHOD = Mailer::METHOD_PHPMAIL;
+
   function getErrorFromException(\Exception $e, $subscriber) {
     $level = MailerError::LEVEL_HARD;
     if (strpos($e->getMessage(), 'Invalid address') === 0) {

lib/Mailer/Methods/ErrorMappers/SMTPMapper.php

@@ -7,8 +7,11 @@ use MailPoet\Mailer\SubscriberError;
 use MailPoet\WP\Functions as WPFunctions;
 
 class SMTPMapper {
+  use BlacklistErrorMapperTrait;
   use ConnectionErrorMapperTrait;
 
+  const METHOD = Mailer::METHOD_SMTP;
+
   /**
    * @see https://swiftmailer.symfony.com/docs/sending.html
    * @return MailerError

lib/Mailer/Methods/ErrorMappers/SendGridMapper.php

@@ -7,8 +7,11 @@ use MailPoet\Mailer\SubscriberError;
 use MailPoet\WP\Functions as WPFunctions;
 
 class SendGridMapper {
+  use BlacklistErrorMapperTrait;
   use ConnectionErrorMapperTrait;
 
+  const METHOD = Mailer::METHOD_SENDGRID;
+
   function getErrorFromResponse($response, $subscriber) {
     $response = (!empty($response['errors'][0])) ?
       $response['errors'][0] :