40 lines
1.0 KiB
PHP
40 lines
1.0 KiB
PHP
<?php
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namespace MailPoet\Referrals;
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use MailPoet\Settings\SettingsController;
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use MailPoet\WP\Functions as WPFunctions;
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if (!defined('ABSPATH')) exit;
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class ReferralDetector {
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const REFERRAL_CONSTANT_NAME = 'MAILPOET_REFERRAL_ID';
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const REFERRAL_SETTING_NAME = 'referral_id';
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/** @var WPFunctions */
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private $wp;
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/** @var SettingsController */
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private $settings;
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function __construct(WPFunctions $wp, SettingsController $settings) {
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$this->wp = $wp;
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$this->settings = $settings;
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}
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function detect() {
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$referral_id = $this->settings->get(self::REFERRAL_SETTING_NAME, null);
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if ($referral_id) {
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return $referral_id;
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}
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$referral_id = $this->wp->getOption(self::REFERRAL_CONSTANT_NAME, null);
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if ($referral_id === null && defined(self::REFERRAL_CONSTANT_NAME)) {
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$referral_id = constant(self::REFERRAL_CONSTANT_NAME);
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}
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if ($referral_id !== null) {
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$this->settings->set(self::REFERRAL_SETTING_NAME, $referral_id);
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}
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return $referral_id;
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}
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}
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