103 lines
2.8 KiB
PHP
103 lines
2.8 KiB
PHP
<?php declare(strict_types = 1);
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namespace MailPoet\Automation\Engine\Control;
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if (!defined('ABSPATH')) exit;
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use MailPoet\Automation\Engine\Data\Automation;
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use MailPoet\Automation\Engine\Data\Step as StepData;
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use MailPoet\Automation\Engine\Data\Subject;
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use MailPoet\Automation\Engine\Integration\SubjectTransformer;
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use MailPoet\Automation\Engine\Integration\Trigger;
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use MailPoet\Automation\Engine\Registry;
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class SubjectTransformerHandler {
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/* @var Registry */
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private $registry;
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public function __construct(
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Registry $registry
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) {
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$this->registry = $registry;
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}
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public function getSubjectKeysForAutomation(Automation $automation): array {
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$triggerData = array_values(array_filter(
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$automation->getSteps(),
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function (StepData $step): bool {
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return $step->getType() === StepData::TYPE_TRIGGER;
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}
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));
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$triggers = array_filter(array_map(
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function (StepData $step): ?Trigger {
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return $this->registry->getTrigger($step->getKey());
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},
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$triggerData
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));
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$all = [];
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foreach ($triggers as $trigger) {
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$all[] = $this->getSubjectKeysForTrigger($trigger);
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}
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$all = count($all) > 1 ? array_intersect(...$all) : $all[0] ?? [];
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return array_values(array_unique($all));
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}
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public function getSubjectKeysForTrigger(Trigger $trigger): array {
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$transformerMap = $this->getTransformerMap();
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$all = $trigger->getSubjectKeys();
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$queue = $all;
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while ($key = array_shift($queue)) {
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foreach ($transformerMap[$key] ?? [] as $transformer) {
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$newKey = $transformer->returns();
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if (!in_array($newKey, $all, true)) {
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$all[] = $newKey;
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$queue[] = $newKey;
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}
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}
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}
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sort($all);
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return $all;
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}
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/**
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* @param Subject[] $subjects
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* @return Subject[]
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*/
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public function getAllSubjects(array $subjects): array {
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$transformerMap = $this->getTransformerMap();
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$all = [];
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foreach ($subjects as $subject) {
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$all[$subject->getKey()] = $subject;
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}
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$queue = array_keys($all);
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while ($key = array_shift($queue)) {
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foreach ($transformerMap[$key] ?? [] as $transformer) {
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$newKey = $transformer->returns();
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if (!isset($all[$newKey])) {
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$newSubject = $transformer->transform($all[$key]);
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if (!$newSubject) {
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continue;
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}
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$all[$newKey] = $newSubject;
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$queue[] = $newKey;
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}
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}
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}
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return array_values($all);
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}
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/**
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* @return SubjectTransformer[][]
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*/
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private function getTransformerMap(): array {
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$transformerMap = [];
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foreach ($this->registry->getSubjectTransformers() as $transformer) {
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$transformerMap[$transformer->accepts()] = array_merge($transformerMap[$transformer->accepts()] ?? [], [$transformer]);
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}
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return $transformerMap;
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}
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}
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