checkEndDate() {
    if (this.startDate && this.endDate) {
      if (moment(this.startDate).isAfter(moment(this.endDate))) {
        this.startDate  = moment(this.endDate).startOf('day').toDate();
      }
      this.checkSameDay();
    }
  }

  checkStartDate() {
    if (this.startDate && this.endDate) {
      if (moment(this.endDate).isBefore(moment(this.startDate))) {
        this.endDate = moment(this.startDate).endOf('day').toDate();
      }
      this.checkSameDay();
    }
  }