Reducer for tracing all request from ajax requests

ApiTracer.js

// --------------
// ACTIONS
// --------------

const API_CALL_RESPONSE_STATUS     = 'API_CALL_RESPONSE_STATUS';
const API_CALL_RESPONSE_STATUS_200 = 'API_CALL_RESPONSE_STATUS_200';
const API_CALL_RESPONSE_STATUS_401 = 'API_CALL_RESPONSE_STATUS_401';
const API_CALL_RESPONSE_STATUS_422 = 'API_CALL_RESPONSE_STATUS_422';
const GENERAL_API_CALL             = 'GENERAL_API_CALL';

/**
  * This function should be called from all ajax calls
  */
export const apiCallResponseStatus = (dispatch, code) => {
  if (code === 200) {
    dispatch(apiCallResponseStatus200());
  } else if (code === 401) {
    dispatch(apiCallResponseStatus401());
    dispatch(push('/logout'));
  } else if (code === 422) {
    dispatch(apiCallResponseStatus422());
  }
};

export const apiCallResponseStatus200 = () => ({
  type: API_CALL_RESPONSE_STATUS_200
});
export const apiCallResponseStatus401 = () => ({
  type: API_CALL_RESPONSE_STATUS_401
});
export const apiCallResponseStatus422 = () => ({
  type: API_CALL_RESPONSE_STATUS_422
});

export const generalApiCall = (time) => ({
  type: GENERAL_API_CALL,
  time
});

/**
 * @param response from server
 * return state
 */
export const apiReturn = (response, callback) => {
  return dispatch => {
    dispatch(apiCallResponseStatus(response.status));
  };
};

const currentDate = () => {
  const ret = "Last Sync: " + currentdate.getDate() + "/"
  + (currentdate.getMonth()+1)  + "/" 
  + currentdate.getFullYear() + " @ "  
  + currentdate.getHours() + ":"  
  + currentdate.getMinutes() + ":" 
  + currentdate.getSeconds();
  return ret;
};

const currentdate = new Date(); 
export const timestamp = 


/**
 * Api reducer
 */

const initialState = {
  response: 0,
  message: '',
  // ...
};
export const apiReducer = (state = initialState, action) => {
  switch (action.type) {
    case API_CALL_RESPONSE_STATUS:
      return state;
    case API_CALL_RESPONSE_STATUS_200:
      return {
        ...state,
        response : 200,
        message: ''
      }; 
    case GENERAL_API_CALL:
      return {
        ...state,
        lastApiCall: currentDate()
      };
    case API_CALL_RESPONSE_STATUS_422:
      return {
        ...state,
        response: 422,
        message: '... 422'
      };
    default:
      return state;
  }
};