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<?php |
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/** |
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* Registry of follow-up adapters. |
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* |
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* @package Forge12\DoubleOptIn\FollowUp |
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* @since 5.6.0 |
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*/ |
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|
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declare( strict_types=1 ); |
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|
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namespace Forge12\DoubleOptIn\FollowUp; |
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|
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use forge12\contactform7\CF7DoubleOptIn\OptIn; |
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|
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if ( ! defined( 'ABSPATH' ) ) { |
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exit; |
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} |
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|
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/** |
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* Maps an integration identifier to its adapter. |
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* |
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* Core and the form addons register directly (container lookup in |
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* `boot()`). Third parties can use the `f12_doi_register_follow_up_adapters` |
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* action, which fires once, lazily, on first lookup. |
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*/ |
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final class FollowUpAdapterRegistry { |
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|
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/** @var array<string, FollowUpAdapterInterface> */ |
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private $adapters = array(); |
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|
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/** @var bool */ |
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private $hookFired = false; |
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|
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public function register( FollowUpAdapterInterface $adapter ): void { |
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$this->adapters[ $adapter->getIntegration() ] = $adapter; |
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} |
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|
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public function get( string $integration ): ?FollowUpAdapterInterface { |
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$this->fireHookOnce(); |
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return $this->adapters[ $integration ] ?? null; |
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} |
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|
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/** |
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* Find the adapter responsible for an opt-in. |
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* |
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* `OptIn::isType()` is a lookup per call (post type / post meta), so |
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* each registered integration is asked at most once. |
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*/ |
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public function forOptIn( OptIn $optIn ): ?FollowUpAdapterInterface { |
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$this->fireHookOnce(); |
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foreach ( $this->adapters as $integration => $adapter ) { |
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if ( $optIn->isType( $integration ) ) { |
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return $adapter; |
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} |
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} |
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return null; |
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} |
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|
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/** |
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* @return string[] |
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*/ |
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public function integrations(): array { |
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$this->fireHookOnce(); |
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return array_keys( $this->adapters ); |
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} |
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|
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private function fireHookOnce(): void { |
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if ( $this->hookFired ) { |
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return; |
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} |
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$this->hookFired = true; |
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|
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if ( function_exists( 'do_action' ) ) { |
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/** |
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* Register additional follow-up adapters. |
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* |
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* @param FollowUpAdapterRegistry $registry |
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* |
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* @since 5.6.0 |
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*/ |
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do_action( 'f12_doi_register_follow_up_adapters', $this ); |
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} |
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} |
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} |
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|
