IntervalHandler.php in DB Maintenance 7.2

IntervalHandler class.

Namespace

Drupal\db_maintenance\Module\Interval

File

src/Module/Interval/IntervalHandler.php

<?php

/**
 * @file
 * IntervalHandler class.
 */
namespace Drupal\db_maintenance\Module\Interval;

use Drupal\db_maintenance\Module\Config\ConfigHandler;

/**
 * IntervalHandler class.
 */
class IntervalHandler {

  /**
   * Checks, if table optimization is allowed in consistency with
   * Time Interval configuration.
   */
  public static function isTimeIntervalConfirmed($datetime) {

    // If Time Interval checking is not turned on,
    // allow processing without further check.
    if (!ConfigHandler::getUseTimeInterval()) {
      return TRUE;
    }
    $time_start = ConfigHandler::getTimeIntervalStart();
    $time_end = ConfigHandler::getTimeIntervalEnd();
    return self::isInInterval($datetime, $time_start, $time_end);
  }

  /**
   * Checks, if $time is in interval between $time_start and $time_end.
   */
  public static function isInInterval($datetime, $time_start, $time_end) {

    // Get current DateTime.
    $dt = new \DateTime();
    $dt
      ->setTimestamp(REQUEST_TIME);
    $dt_start = clone $dt;
    $dt_end = clone $dt;
    if (!self::setTimePart($time_start, $dt_start)) {
      return FALSE;
    }
    if (!self::setTimePart($time_end, $dt_end)) {
      return FALSE;
    }

    // Now $dt, $dt_start, $dt_end have the same day part.
    if ($dt_start <= $dt_end) {

      // No midnight between $time_start and $time_end like 01:00 - 03:00.
      if ($dt_start <= $datetime && $datetime <= $dt_end) {

        // Like more than 01:00 AND less than 03:00 (or equal).
        return TRUE;
      }
      else {
        return FALSE;
      }
    }
    else {

      // There is midnight between $time_start and $time_end like 23:00 - 01:00.
      if ($dt_start <= $datetime || $datetime <= $dt_end) {

        // Like more than 23:00 OR less than 01:00 (or equal).
        return TRUE;
      }
      else {
        return FALSE;
      }
    }
  }

  /**
   * Checks, if $time is in 24 hour format H:i (HH:MM) like 23:30 or 01:00.
   */
  public static function checkTime($time) {
    if (!isset($time)) {
      return FALSE;
    }
    if (mb_strlen($time) != 5) {
      return FALSE;
    }
    $hour = (int) mb_substr($time, 0, 2);
    $minute = (int) mb_substr($time, 3, 2);
    if ($hour < 0 || $hour > 23) {
      return FALSE;
    }
    if ($minute < 0 || $minute > 59) {
      return FALSE;
    }
    return TRUE;
  }

  /**
   * Sets time part to $dt from $time.
   *
   * Also checks, if $time is in 24 hour format H:i (HH:MM) like 23:30 or 01:00.
   */
  public static function setTimePart($time, \DateTime &$dt) {
    if (!isset($time)) {
      return FALSE;
    }
    if (mb_strlen($time) != 5) {
      return FALSE;
    }
    $hour = (int) mb_substr($time, 0, 2);
    $minute = (int) mb_substr($time, 3, 2);
    if ($hour < 0 || $hour > 23) {
      return FALSE;
    }
    if ($minute < 0 || $minute > 59) {
      return FALSE;
    }
    $dt
      ->setTime($hour, $minute);
    return TRUE;
  }

}

Classes

Name	Description
IntervalHandler	IntervalHandler class.