app/reducers/authorizeReducer.jsx

// - Import action types
import * as types from 'actionTypes';

// Default state
let defaultState = {
    uid: 0,
    authed: false,
    updatePassword: false,
    guest: false
};

/**
 *  Authorize reducer
 * @param {object} state 
 * @param {object} action 
 */
export let authorizeReducer = (state = defaultState, action) => {
    switch (action.type) {
        case types.LOGIN:
            return {
                ...state,
                uid: action.uid,
                authed: true,
                guest: false
            };
        case types.LOGOUT:
            return {
                ...state,
                uid: 0,
                authed: false,
                guest: true
            };
        case types.SIGNUP:
            return {
                ...state,
                uid: action.uid
            };
        case types.UPDATE_PASSWORD:
            return {
                ...state,
                updatePassword: action.updatePassword
            };
        default:
            return state;
    }
}