Feature request iconic delivery slots: Add an apply_filters in class-reservations.php (line 22 in gist)

class-reservations.php

/**
 * Get reservations.
 *
 * @param int    $processed 1/0
 * @param string $operator
 * @param string $order
 *
 * @return array
 */
public static function get_reservations( $processed = 1, $operator = '>=', $order = 'ASC' ) {
	$return = array();

	$key = md5( sprintf( '%s-%s-%s', $processed, $operator, $order ) );

	if ( isset( $return[ $key ] ) ) {
		return $return[ $key ];
	}

	global $wpdb, $jckwds;

	$table_name   = self::get_table_name();
	/* START: THIS HAS BEEN ADDED */
	$reservations_query = "
		SELECT * FROM {$table_name}
		WHERE date $operator CURDATE()
		AND processed = $processed
		ORDER BY date $order, starttime ASC
	";
	$reservations_query = apply_filters('iconic_wds_reservations_query', $reservations_query);
	$reservations = $wpdb->get_results( $reservations_query, OBJECT );
	/* END: THIS HAS BEEN ADDED */

	if ( ! empty( $reservations ) ) {
		foreach ( $reservations as $index => $reservation ) {
			$reservation->order = wc_get_order( $reservation->order_id );
			$reservation->iconic_wds = array(
				'date_formatted' => Iconic_WDS_Helpers::get_date_formatted( $reservation->date ),
				'starttime_formatted' => Iconic_WDS_Helpers::get_time_formatted( $reservation->starttime ),
				'endtime_formatted' => Iconic_WDS_Helpers::get_time_formatted( $reservation->endtime ),
				'same_day' => (bool) $reservation->order->get_meta( '_iconic_wds_is_same_day' ),
				'next_day' => (bool) $reservation->order->get_meta( '_iconic_wds_is_next_day' ),
			);

			if ( ! empty( $reservation->order ) ) {
				$reservation->order_status        = $reservation->order->get_status();
				$reservation->order_status_badge  = Iconic_WDS_Order::get_status_badge( $reservation->order_status );
				$reservation->order_edit          = Iconic_WDS_Order::get_edit_order_link_html( $reservation->order_id );
				$reservation->order_items         = Iconic_WDS_Order::get_order_items( $reservation->order );
				$reservation->shipping_method     = $reservation->order->get_shipping_method();
				$reservation->address_link        = Iconic_WDS_Order::get_shipping_address_link_html( $reservation->order );
				$reservation->billing_name        = Iconic_WDS_Order::get_billing_full_name( $reservation->order );
				$reservation->billing_email       = Iconic_WDS_Order::get_billing_email_link_html( $reservation->order );
			}

			if ( is_numeric( $reservation->user_id ) && empty( $reservation->order ) ) {
				$customer = get_userdata( $reservation->user_id );

				$reservation->billing_name  = Iconic_WDS_Helpers::get_user_name( $customer );
				$reservation->billing_email = Iconic_WDS_Helpers::get_email_link_html( $customer->user_email );
			}
		}
	}

	$return[ $key ] = array(
		'processed' => $processed,
		'results'   => $reservations,
	);

	return $return[ $key ];
}

example.php

function filter_reservations_query( $q ) {
		// Modify query string here    

		return $q;
}
add_filter( 'iconic_wds_reservations_query', 'filter_reservations_query' );