addWorkItems = async (issueId, serviceId, workType, from, to) => {
    let wstate = this;
    const minutesADay = 8 * 60;
    let dashboardApi = this.props.dashboardApi;
    let workItemDate = new Date(Date.parse(from));
    let toDate = new Date(Date.parse(to));
    toDate.setDate(toDate.getDate() + 1);
    let resultError = '';
    let newAlerts = this.state.alerts;
    let loadingAlert = {
      type: Alert.Type.LOADING,
      key: `${Date.now()}`,
      message: `Идет трек отсутствия...`,
      isClosing: false
    };
    newAlerts.push(loadingAlert);
    this.setState({alerts: newAlerts});
    do {
      newAlerts.push({type: Alert.Type.WARNING, key: `${Date.now()}`, message: `${workItemDate}`});
      wstate.setState({alerts: newAlerts});
      await dashboardApi.fetch(serviceId, `rest/issue/${issueId}/timetracking/workitem`, {
        method: 'POST',
        body: {
          date: Date.parse(workItemDate),
          duration: minutesADay,
          worktype: {
            name: workType
          }
        }
      }).then(workItem => {}).catch(error => {
        resultError += `Error acquired on adding work item:\n${JSON.stringify(error.data.value)}\n`;
      });
      workItemDate.setDate(workItemDate.getDate() + 1);
    } while (workItemDate.toString() !== toDate.toString());

    if (resultError === "") {
      loadingAlert.isClosing = true;
      this.setRange({from: null, to: null});
      this.changeOption(null);
      newAlerts.push({
        type: Alert.Type.SUCCESS,
        key: `${Date.now()}`,
        message: `${'Отсутствие успешно отражено.'}`
      });
      this.setState({alerts: newAlerts});
    } else {
      loadingAlert.isClosing = true;
      newAlerts.push({
        type: Alert.Type.ERROR,
        key: `${Date.now()}`,
        message: `При треке отсутствия произошли следующие ошибки:${resultError}`
      });
      this.setState({alerts: newAlerts})
    }
  };