File "Registry.php"
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<?php declare(strict_types = 1);
namespace MailPoet\Automation\Engine;
if (!defined('ABSPATH')) exit;
use MailPoet\Automation\Engine\Control\RootStep;
use MailPoet\Automation\Engine\Integration\Action;
use MailPoet\Automation\Engine\Integration\Payload;
use MailPoet\Automation\Engine\Integration\Step;
use MailPoet\Automation\Engine\Integration\Subject;
use MailPoet\Automation\Engine\Integration\Trigger;
class Registry {
/** @var array<string, Step> */
private $steps = [];
/** @var array<string, Subject<Payload>> */
private $subjects = [];
/** @var array<string, Trigger> */
private $triggers = [];
/** @var array<string, Action> */
private $actions = [];
/** @var WordPress */
private $wordPress;
public function __construct(
RootStep $rootStep,
WordPress $wordPress
) {
$this->wordPress = $wordPress;
$this->steps[$rootStep->getKey()] = $rootStep;
}
/** @param Subject<Payload> $subject */
public function addSubject(Subject $subject): void {
$key = $subject->getKey();
if (isset($this->subjects[$key])) {
throw new \Exception(); // TODO
}
$this->subjects[$key] = $subject;
}
/** @return Subject<Payload>|null */
public function getSubject(string $key): ?Subject {
return $this->subjects[$key] ?? null;
}
/** @return array<string, Subject<Payload>> */
public function getSubjects(): array {
return $this->subjects;
}
public function addStep(Step $step): void {
if ($step instanceof Trigger) {
$this->addTrigger($step);
} elseif ($step instanceof Action) {
$this->addAction($step);
}
// TODO: allow adding any other step implementations?
}
public function getStep(string $key): ?Step {
return $this->steps[$key] ?? null;
}
/** @return array<string, Step> */
public function getSteps(): array {
return $this->steps;
}
public function addTrigger(Trigger $trigger): void {
$key = $trigger->getKey();
if (isset($this->steps[$key]) || isset($this->triggers[$key])) {
throw new \Exception(); // TODO
}
$this->steps[$key] = $trigger;
$this->triggers[$key] = $trigger;
}
public function getTrigger(string $key): ?Trigger {
return $this->triggers[$key] ?? null;
}
/** @return array<string, Trigger> */
public function getTriggers(): array {
return $this->triggers;
}
public function addAction(Action $action): void {
$key = $action->getKey();
if (isset($this->steps[$key]) || isset($this->actions[$key])) {
throw new \Exception(); // TODO
}
$this->steps[$key] = $action;
$this->actions[$key] = $action;
}
public function getAction(string $key): ?Action {
return $this->actions[$key] ?? null;
}
/** @return array<string, Action> */
public function getActions(): array {
return $this->actions;
}
public function onBeforeWorkflowSave(callable $callback, int $priority = 10): void {
$this->wordPress->addAction(Hooks::WORKFLOW_BEFORE_SAVE, $callback, $priority);
}
public function onBeforeWorkflowStepSave(callable $callback, string $key = null, int $priority = 10): void {
$keyPart = $key ? "/key=$key" : '';
$this->wordPress->addAction(Hooks::WORKFLOW_STEP_BEFORE_SAVE . $keyPart, $callback, $priority);
}
}