public function create($connection)
{
if (!array_key_exists('type', $connection)) {
return $this->apiProblem(422, "No type given for the connection");
}
if (!array_key_exists('message_handler', $connection)) {
return $this->apiProblem(422, "No message_handler given for the connection");
}
if (!array_key_exists('workflow_id', $connection)) {
return $this->apiProblem(422, "No workflow_id given for the connection");
}
if ($connection['type'] == "start_connection") {
if (!array_key_exists('start_message', $connection)) {
return $this->apiProblem(422, "No start_message given for the connection");
}
$this->commandBus->dispatch(ScheduleFirstTasksForWorkflow::withData($connection['workflow_id'], $connection['start_message'], $connection['message_handler']));
return $this->accepted();
} elseif ($connection['type'] == "source_target_connection") {
if (!array_key_exists('previous_task', $connection)) {
return $this->apiProblem(422, "No previous_task given for the connection");
}
$this->commandBus->dispatch(ScheduleNextTasksForWorkflow::withData($connection['workflow_id'], $connection['previous_task'], $connection['message_handler']));
return $this->accepted();
} else {
return $this->apiProblem(422, "Unknown connection type");
}
}
public function handle(ScheduleNextTasksForWorkflow $command)
{
$workflow = $this->workflowCollection->get($command->workflowId());
if (is_null($workflow)) {
throw WorkflowNotFound::withId($command->workflowId());
}
$previousTask = $this->taskCollection->get($command->previousTaskId());
if (is_null($previousTask)) {
throw TaskNotFound::withId($command->previousTaskId());
}
$previousMessageHandler = $this->messageHandlerCollection->get($previousTask->messageHandlerId());
if (is_null($previousMessageHandler)) {
throw MessageHandlerNotFound::withId($previousTask->messageHandlerId());
}
$nextMessageHandler = $this->messageHandlerCollection->get($command->nextMessageHandlerId());
if (is_null($nextMessageHandler)) {
throw MessageHandlerNotFound::withId($command->nextMessageHandlerId());
}
$nextTasks = $workflow->determineNextTasks($previousTask, $previousMessageHandler, $nextMessageHandler);
foreach ($nextTasks as $nextTask) {
$this->taskCollection->add($nextTask);
}
}
