Merge pull request #17 from georgringer/patch-3

[BUGFIX] Fix notices in ReceiverMailReceiverPropertiesService

Author: mschwemer

Classes/Domain/Service/Mail/ReceiverMailReceiverPropertiesService.php

@@ -118,11 +118,11 @@ public function getReceiverName(): string
     protected function setReceiverEmails(): void
     {
         $emailArray = $this->getEmailsFromFlexForm();
-        $emailArray = $this->getEmailsFromFeGroup($emailArray, (int)$this->settings['receiver']['fe_group']);
-        $emailArray = $this->getEmailsFromBeGroup($emailArray, (int)$this->settings['receiver']['be_group']);
+        $emailArray = $this->getEmailsFromFeGroup($emailArray, (int)($this->settings['receiver']['fe_group'] ?? 0));
+        $emailArray = $this->getEmailsFromBeGroup($emailArray, (int)($this->settings['receiver']['be_group'] ?? 0));
         $emailArray = $this->getEmailsFromPredefinedEmail(
             $emailArray,
-            (string)$this->settings['receiver']['predefinedemail']
+            (string)($this->settings['receiver']['predefinedemail'] ?? '')
         );
         $emailArray = $this->overWriteEmailsWithTypoScript($emailArray);
         $emailArray = $this->getEmailFromDevelopmentContext($emailArray);
@@ -140,7 +140,7 @@ protected function setReceiverEmails(): void
      */
     protected function getEmailsFromFlexForm(): array
     {
-        if ((int)$this->settings['receiver']['type'] === self::RECEIVERS_DEFAULT) {
+        if ((int)($this->settings['receiver']['type'] ?? 0) === self::RECEIVERS_DEFAULT) {
             $mailRepository = ObjectUtility::getObjectManager()->get(MailRepository::class);
             $emailString = TemplateUtility::fluidParseString(
                 $this->settings['receiver']['email'],
@@ -161,7 +161,7 @@ protected function getEmailsFromFlexForm(): array
      */
     protected function getEmailsFromFeGroup(array $emailArray, int $uid): array
     {
-        if ((int)$this->settings['receiver']['type'] === self::RECEIVERS_FRONTENDGROUP && !empty($uid)) {
+        if ((int)($this->settings['receiver']['type'] ?? 0) === self::RECEIVERS_FRONTENDGROUP && !empty($uid)) {
             $userRepository = ObjectUtility::getObjectManager()->get(UserRepository::class);
             $users = $userRepository->findByUsergroup($uid);
             $emailArray = [];
@@ -186,7 +186,7 @@ protected function getEmailsFromFeGroup(array $emailArray, int $uid): array
      */
     protected function getEmailsFromBeGroup(array $emailArray, int $uid): array
     {
-        if ((int)$this->settings['receiver']['type'] === self::RECEIVERS_BACKENDGROUP && !empty($uid)) {
+        if ((int)($this->settings['receiver']['type'] ?? 0) === self::RECEIVERS_BACKENDGROUP && !empty($uid)) {
             /** @var BackendUserRepository $beUserRepository */
             $beUserRepository = ObjectUtility::getObjectManager()->get(BackendUserRepository::class);
             $query = $beUserRepository->createQuery();
@@ -217,7 +217,7 @@ protected function getEmailsFromBeGroup(array $emailArray, int $uid): array
      */
     protected function getEmailsFromPredefinedEmail(array $emailArray, string $predefinedString): array
     {
-        if ((int)$this->settings['receiver']['type'] === self::RECEIVERS_PREDEFINED && !empty($predefinedString)) {
+        if ((int)($this->settings['receiver']['type'] ?? 0) === self::RECEIVERS_PREDEFINED && !empty($predefinedString)) {
             $receiverString = TypoScriptUtility::overwriteValueFromTypoScript(
                 '',
                 $this->configuration['receiver.']['predefinedReceiver.'][$predefinedString . '.'],