/**
* @return ChapterTemplate[]
*/
private function getTestChapterTemplates()
{
$startCondition = $this->prophesize(MessageCondition::class);
$startCondition->isTrueFor(Argument::type(FileWasUploaded::class))->willReturn(true);
$startCondition->isTrueFor(Argument::not(Argument::type(FileWasUploaded::class)))->willReturn(false);
$isDoneCondition = $this->prophesize(MessageCondition::class);
$isDoneCondition->isTrueFor(Argument::type(FileWasProcessed::class))->willReturn(true);
$isDoneCondition->isTrueFor(Argument::not(Argument::type(FileWasProcessed::class)))->willReturn(false);
$payloadGenerator = $this->prophesize(PayloadGenerator::class);
$payloadGenerator->__invoke(Argument::any(), Argument::any(), Argument::any())->will(function ($args) {
list($previousMessage, $payload, $metadata) = $args;
$payload['filename'] = $previousMessage->payload()['filename'];
});
$commandTemplate = new MessageTemplate(ProcessFile::class, new FQCNMessageFactory(), [], [], $payloadGenerator->reveal());
$chapterTemplate = new ChapterTemplate(ChapterName::fromString('File Processor'), $commandTemplate, $startCondition->reveal(), $isDoneCondition->reveal());
return [$chapterTemplate];
}
$commandBus->utilize($commandRouter);
//Enable transaction handling based on command dispatch
$transactionManager = new \Prooph\EventStoreBusBridge\TransactionManager($eventStore);
$commandBus->utilize($transactionManager);
$delayedCommandBus = new \Prooph\Done\Infrastructure\DelayedCommandBus($commandBus);
//The delayed command bus queues commands until next EventStore.commit.post event occurs
$delayedCommandBus->setUp($eventStore);
//As a Story can handle and dispatch any message implementing Prooph\Common\Messaging\Message
//it requires a message factory and message converter to be able to create and log messages correctly
$messageFactory = new \Prooph\Common\Messaging\FQCNMessageFactory();
$messageConverter = new \Prooph\Common\Messaging\NoOpMessageConverter();
//Set up the story
$storyName = \Prooph\Done\Shared\StoryName::fromString('Json to CSV Conversion');
//Set up the StoryTeller - basically a StoryTeller is a generic message handler but specifically
//designed to handle a single Story configured with so called ChapterTemplates
$jsonToCSVStoryTeller = new \Prooph\Done\Story\StoryTeller($storyName, [new \Prooph\Done\Story\ChapterTemplate(\Prooph\Done\Story\ChapterName::fromString('Merge Json Files'), new \Prooph\Done\Message\MessageTemplate(\ProophExample\Done\JsonToCSVStory\MergeJsonFilesChapter\MergeJsonFiles::class, $messageFactory, ['json_files_directory' => __DIR__ . DIRECTORY_SEPARATOR . 'data', 'to_filename' => 'users.json', 'file_pattern' => '/^user[\\d]{1,}\\.json$/']), new \ProophExample\Done\JsonToCSVStory\IsStartStoryCommand(), new \ProophExample\Done\JsonToCSVStory\IsInfoSuccessEvent()), new \Prooph\Done\Story\ChapterTemplate(\Prooph\Done\Story\ChapterName::fromString('Convert Json to CSV'), new \Prooph\Done\Message\MessageTemplate(\ProophExample\Done\JsonToCSVStory\JsonToCSVChapter\ConvertJsonToCSV::class, $messageFactory, [], [], function (\Prooph\Done\ChapterLogger\Event\Info $previousMessage, \ArrayObject $payload, \ArrayObject $metadata) {
//We extract the generated filename from the previous event
//to use it as input file for the next chapter command
$inputFile = $previousMessage->payload()['context']['to_file_path'];
$outputFile = str_replace('.json', '.csv', $inputFile);
//Payload and metadata for the next chapter command are passed as \ArrayObjects
//to the PayloadGenerator callback so that the callback can manipulate them both
$payload['input_file'] = $inputFile;
$payload['output_file'] = $outputFile;
}), new \ProophExample\Done\JsonToCSVStory\IsInfoSuccessEvent(), new \ProophExample\Done\JsonToCSVStory\IsInfoSuccessEvent())], $storyLog, $delayedCommandBus, $messageFactory, $messageConverter);
//We route the start command of the story to the responsible story teller
$commandRouter->route(\ProophExample\Done\JsonToCSVStory\StartStory::class)->to($jsonToCSVStoryTeller);
//As we perform the chapter in the same process as handling the Story
//We can use the StoryTellerBackend and pass it to the ChapterCommandHandlers
//If the chapters would be handled in child processes we would use
//a DoneBackend implementation that uses an event bus + async message producer
/**
* @test
*/
public function it_uses_is_done_condition_to_check_if_chapter_is_done_based_on_received_message()
{
$fileWasUploaded = new FileWasUploaded();
$startCondition = $this->prophesize(MessageCondition::class);
$isDoneCondition = $this->prophesize(MessageCondition::class);
$isDoneCondition->isTrueFor(Argument::is($fileWasUploaded))->willReturn(true);
$commandTemplate = new MessageTemplate(ProcessFile::class, new FQCNMessageFactory());
$chapterTemplate = new ChapterTemplate(ChapterName::fromString('File Processor'), $commandTemplate, $startCondition->reveal(), $isDoneCondition->reveal());
$this->assertTrue($chapterTemplate->isDoneBy($fileWasUploaded));
}
/**
* @param ChapterName $other
* @return bool
*/
public function equals(ChapterName $other)
{
return $this->toString() === $other->toString();
}
/**
* @return ChapterName
*/
private function getChapterName()
{
return ChapterName::fromString('Test Chapter');
}
/**
* @param array $payload
* @return ChapterStatus
*/
private static function payloadToChapterStatus(array $payload)
{
return ChapterStatus::fromHistoryStatus(ChapterName::fromString($payload['chapter_name']), ChapterNumber::fromString($payload['chapter_number']), $payload['status'], $payload['retry_count'], $payload['retry_limit']);
}
/**
* @param \Prooph\Done\Story\ChapterName $chapterName
* @param StoryName $storyName
* @return ChapterName
*/
public static function isDuplicateForStory(\Prooph\Done\Story\ChapterName $chapterName, StoryName $storyName)
{
return new self(sprintf('Duplicate Chapter name %s for story %s detected', $chapterName->toString(), $storyName->toString()));
}
/**
* @param ChapterName $chapterName
* @param StoryName $storyName
* @return Story
*/
public static function cannotFindMatchingTemplateForChapterName(ChapterName $chapterName, StoryName $storyName)
{
return new self(sprintf('Story %s cannot find matching template for chapter name %s', $storyName->toString(), $chapterName->toString()));
}