/**
* Save a Chapter event to the chapter history.
*
* @param Message $domainMessage
* @throws \Prooph\Done\Shared\Exception\StoryName
* @throws \Exception
*/
public function logChapterEvent(Message $domainMessage)
{
$storyName = Metadata::getStoryNameFromMessage($domainMessage);
if (!isset($this->storyTellers[$storyName->toString()])) {
throw Exception\StoryName::isNotLinkedWithStoryTeller($storyName);
}
$storyTeller = $this->storyTellers[$storyName->toString()];
try {
$this->eventStore->beginTransaction();
$storyTeller($domainMessage);
$this->eventStore->commit();
} catch (\Exception $ex) {
$this->eventStore->rollback();
throw $ex;
}
}
/**
* @param Message $message
* @param Shared\StoryId $storyId
* @throws Exception\Story
* @return ChapterNumber
*/
private function assertAndGetChapterNumberFromMessage(Message $message, StoryId $storyId)
{
$chapterNumber = Metadata::getChapterNumberFromMessage($message);
if (!$storyId->equals($chapterNumber->storyId())) {
throw Exception\Story::receivedMessageForDifferentStory($message, $storyId, $chapterNumber->storyId());
}
return $chapterNumber;
}