caremyway-client/src/reducers/authReducer.js

import {
  IS_SENDING_AUTH_REQUEST,
  SET_AUTH_REQUEST_ERROR,
  CLEAR_AUTH_REQUEST_ERROR,
  SET_AUTH_REQUEST_SUCCESS,
  CLEAR_AUTH_REQUEST_SUCCESS,
  SET_SELF_USER_TOKEN,
  SET_FORM_EMAIL,
  SET_FORM_PASSWORD,
  SET_FORM_PASSWORD_CONFIRMATION,
  SET_FORM_EMAIL_VERIFICATION,
  SET_FORM_OLD_PASSWORD,
  SET_CLEAR_AUTH_STATE
} from "../constants/auth.constants";

/**
 * Set the user's auth token, and return the value
 * @param {string} newToken
 */
function me(newToken) {
  if (typeof newToken === "string") {
    localStorage.setItem("userToken", newToken);
  }
  const userToken = localStorage.getItem("userToken");
  return userToken ? userToken : "";
}

const initialState = {
  isSendingAuthRequest: false,
  authRequestError: "",
  authRequestSuccess: "",
  userToken: me(null),
  email: "",
  password: "",
  passwordConfirmation: "",
  emailVerificationString: "",
  oldPassword: "" // used for change password functionality
};

function authReducer(state = initialState, action) {
  switch (action.type) {
    case IS_SENDING_AUTH_REQUEST:
      return {
        ...state,
        isSendingAuthRequest: action.data
      };
    case SET_AUTH_REQUEST_ERROR:
      return {
        ...state,
        authRequestError: action.data
      };
    case CLEAR_AUTH_REQUEST_ERROR:
      return {
        ...state,
        authRequestError: ""
      };
    case SET_AUTH_REQUEST_SUCCESS:
      return {
        ...state,
        authRequestSuccess: action.data
      };
    case CLEAR_AUTH_REQUEST_SUCCESS:
      return {
        ...state,
        authRequestSuccess: ""
      };
    case SET_SELF_USER_TOKEN:
      return {
        ...state,
        userToken: me(action.data)
      };
    case SET_FORM_EMAIL:
      return {
        ...state,
        email: action.data
      };
    case SET_FORM_PASSWORD:
      return {
        ...state,
        password: action.data
      };
    case SET_FORM_PASSWORD_CONFIRMATION:
      return {
        ...state,
        passwordConfirmation: action.data
      };
    case SET_FORM_EMAIL_VERIFICATION:
      return {
        ...state,
        emailVerificationString: action.data
      };
    case SET_FORM_OLD_PASSWORD:
      return {
        ...state,
        oldPassword: action.data
      };
    case SET_CLEAR_AUTH_STATE:
      return {
        ...initialState
      };
    default:
      return state;
  }
}

export default authReducer;