moonstonemedia / Simple-Calendar

	 *

	 * @param int $timestamp

	 */

	public function set_earliest_event( $timestamp = 0 ) {

		$earliest = intval( $timestamp );

		if ( $earliest === 0 ) {

			$start = Carbon::createFromTimestamp( $this->calendar_start, $this->timezone );

			$earliest_date  = esc_attr( get_post_meta( $this->post_id, '_feed_earliest_event_date', true ) );

			$earliest_range = max( absint( get_post_meta( $this->post_id, '_feed_earliest_event_date_range', true ) ), 1 );

			if ( 'days_before' == $earliest_date ) {

				$earliest = $start->subDays( $earliest_range )->getTimestamp();

			} elseif ( 'weeks_before' == $earliest_date ) {

				$earliest = $start->subWeeks( $earliest_range )->addDay()->getTimestamp();

			} elseif ( 'months_before' == $earliest_date ) {

				$earliest = $start->subMonths( $earliest_range )->addDay()->getTimestamp();

			} elseif ( 'years_before' == $earliest_date ) {

				$earliest = $start->subYears( $earliest_range )->addDay()->getTimestamp();

			} else {

				$earliest = $start->getTimestamp();

			}

		}

		$this->time_min = $earliest;

	}

	/**

	 * Set latest event.

	 *

	 * @param int $timestamp

	 */

	public function set_latest_event( $timestamp = 0 ) {

		$latest = intval( $timestamp );

		if ( $latest === 0 ) {

			$start = Carbon::createFromTimestamp( $this->calendar_start, $this->timezone )->endOfDay();

			$latest_date  = esc_attr( get_post_meta( $this->post_id, '_feed_latest_event_date', true ) );

			$latest_range = max( absint( get_post_meta( $this->post_id, '_feed_latest_event_date_range', true ) ), 1 );

			if ( 'days_after' == $latest_date ) {

				$latest = $start->addDays( $latest_range )->getTimestamp();

			} elseif ( 'weeks_after' == $latest_date ) {

				$latest = $start->addWeeks( $latest_range )->subDay()->getTimestamp();

			} elseif ( 'months_after' == $latest_date ) {

				$latest = $start->addMonths( $latest_range )->subDay()->getTimestamp();

			} elseif ( 'years_after' == $latest_date ) {

				$latest = $start->addYears( $latest_range )->subDay()->getTimestamp();

			} else {

				$latest = $start->getTimestamp();

			}

		}

		$this->time_max = $latest;

	}

	/**

	 * Set cache.