Exemplo n.º 1
0
 /**
  * Return a preload interval based on the chosen timeline interval and the given date and time
  *
  * @param   DateTime    $dateTime   The date and time to use
  *
  * @return  DateInterval            The interval to pre-load
  */
 private function getPreloadInterval(DateTime $dateTime)
 {
     switch ($this->view->intervalBox->getInterval()) {
         case '1d':
             return DateInterval::createFromDateString('1 week -1 second');
         case '1w':
             return DateInterval::createFromDateString('8 weeks -1 second');
         case '1m':
             $dateCopy = clone $dateTime;
             for ($i = 0; $i < 6; $i++) {
                 $dateCopy->sub(new DateInterval('PT' . Format::secondsByMonth($dateCopy) . 'S'));
             }
             return $dateCopy->add(new DateInterval('PT1S'))->diff($dateTime);
         case '1y':
             $dateCopy = clone $dateTime;
             for ($i = 0; $i < 4; $i++) {
                 $dateCopy->sub(new DateInterval('PT' . Format::secondsByYear($dateCopy) . 'S'));
             }
             return $dateCopy->add(new DateInterval('PT1S'))->diff($dateTime);
         default:
             return DateInterval::createFromDateString('1 day -1 second');
     }
 }
Exemplo n.º 2
0
 /**
  * Apply the current interval to the given date and time
  *
  * @param   DateTime    $dateTime   The date and time to apply the interval to
  * @param   int         $adjustBy   By how much seconds the resulting date and time should be adjusted
  *
  * @return  DateTime
  */
 protected function applyInterval(DateTime $dateTime, $adjustBy)
 {
     if (!$this->interval->y && !$this->interval->m) {
         if ($this->negative) {
             return $dateTime->sub($this->interval)->add(new DateInterval('PT' . $adjustBy . 'S'));
         } else {
             return $dateTime->add($this->interval)->sub(new DateInterval('PT' . $adjustBy . 'S'));
         }
     } elseif ($this->interval->m) {
         for ($i = 0; $i < $this->interval->m; $i++) {
             if ($this->negative) {
                 $dateTime->sub(new DateInterval('PT' . Format::secondsByMonth($dateTime) . 'S'));
             } else {
                 $dateTime->add(new DateInterval('PT' . Format::secondsByMonth($dateTime) . 'S'));
             }
         }
     } elseif ($this->interval->y) {
         for ($i = 0; $i < $this->interval->y; $i++) {
             if ($this->negative) {
                 $dateTime->sub(new DateInterval('PT' . Format::secondsByYear($dateTime) . 'S'));
             } else {
                 $dateTime->add(new DateInterval('PT' . Format::secondsByYear($dateTime) . 'S'));
             }
         }
     }
     $adjustment = new DateInterval('PT' . $adjustBy . 'S');
     return $this->negative ? $dateTime->add($adjustment) : $dateTime->sub($adjustment);
 }