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wp-content/plugins/mailpoet/lib/Newsletter/Scheduler/Scheduler.php

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+<?php // phpcs:ignore SlevomatCodingStandard.TypeHints.DeclareStrictTypes.DeclareStrictTypesMissing
+
+namespace MailPoet\Newsletter\Scheduler;
+
+if (!defined('ABSPATH')) exit;
+
+
+use MailPoet\Entities\NewsletterEntity;
+use MailPoet\Newsletter\NewslettersRepository;
+use MailPoet\WP\Functions as WPFunctions;
+use MailPoetVendor\Carbon\Carbon;
+
+class Scheduler {
+  const MYSQL_TIMESTAMP_MAX = '2038-01-19 03:14:07';
+
+  /** @var WPFunctions  */
+  private $wp;
+
+  /** @var NewslettersRepository */
+  private $newslettersRepository;
+
+  public function __construct(
+    WPFunctions $wp,
+    NewslettersRepository $newslettersRepository
+  ) {
+    $this->wp = $wp;
+    $this->newslettersRepository = $newslettersRepository;
+  }
+
+  /**
+   * @return string|false
+   */
+  public function getNextRunDate($schedule) {
+    $nextRunDateTime = $this->getNextRunDateTime($schedule);
+    return $nextRunDateTime ? $nextRunDateTime->format('Y-m-d H:i:s') : $nextRunDateTime;
+  }
+
+  public function getPreviousRunDate($schedule) {
+    // User enters time in WordPress site timezone, but we need to calculate it in UTC before we save it to DB
+    // 1) As the initial time we use time in site timezone via current_datetime
+    // 2) We use CronExpression to calculate previous run (still in site's timezone)
+    // 3) We convert the calculated time to UTC
+    $from = $this->wp->currentDatetime();
+    try {
+      $schedule = new \Cron\CronExpression((string)$schedule);
+      $previousRunDate = $schedule->getPreviousRunDate(Carbon::instance($from));
+      $previousRunDate->setTimezone(new \DateTimeZone('UTC'));
+      $previousRunDate = $previousRunDate->format('Y-m-d H:i:s');
+    } catch (\Exception $e) {
+      $previousRunDate = false;
+    }
+    return $previousRunDate;
+  }
+
+  public function getScheduledTimeWithDelay($afterTimeType, $afterTimeNumber): Carbon {
+    $currentTime = Carbon::now()->millisecond(0);
+    switch ($afterTimeType) {
+      case 'minutes':
+        $currentTime->addMinutes($afterTimeNumber);
+        break;
+      case 'hours':
+        $currentTime->addHours($afterTimeNumber);
+        break;
+      case 'days':
+        $currentTime->addDays($afterTimeNumber);
+        break;
+      case 'weeks':
+        $currentTime->addWeeks($afterTimeNumber);
+        break;
+    }
+    $maxScheduledTime = Carbon::createFromFormat('Y-m-d H:i:s', self::MYSQL_TIMESTAMP_MAX);
+    if ($maxScheduledTime && $currentTime > $maxScheduledTime) {
+      return $maxScheduledTime;
+    }
+    return $currentTime;
+  }
+
+  /**
+   * @return NewsletterEntity[]
+   */
+  public function getNewsletters(string $type, ?string $group = null): array {
+    return $this->newslettersRepository->findActiveByTypeAndGroup($type, $group);
+  }
+
+  public function formatDatetimeString($datetimeString) {
+    return Carbon::parse($datetimeString)->format('Y-m-d H:i:s');
+  }
+
+  /**
+   * @return \DateTime|false
+   */
+  public function getNextRunDateTime($schedule) {
+    // User enters time in WordPress site timezone, but we need to calculate it in UTC before we save it to DB
+    // 1) As the initial time we use time in site timezone via current_datetime
+    // 2) We use CronExpression to calculate next run (still in site's timezone)
+    // 3) We convert the calculated time to UTC
+    //$fromTimestamp = $this->wp->currentTime('timestamp', false);
+    $from = $this->wp->currentDatetime();
+    try {
+      $schedule = new \Cron\CronExpression((string)$schedule);
+      $nextRunDate = $schedule->getNextRunDate(Carbon::instance($from));
+      $nextRunDate->setTimezone(new \DateTimeZone('UTC'));
+      // Work around CronExpression transforming Carbon into DateTime
+      if (!$nextRunDate instanceof Carbon) {
+        $nextRunDate = new Carbon($nextRunDate);
+      }
+    } catch (\Exception $e) {
+      $nextRunDate = false;
+    }
+    return $nextRunDate;
+  }
+}