app/reducers/notifyReducer.jsx

import moment from 'moment';
import _ from 'lodash';

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

// Default state
let defaultState = {
    userNotifies: {},
    loaded: false
};

/**
 * Notify actions
 * @param {object} state 
 * @param {object} action 
 */
export var notifyReducer = (state = defaultState, action) => {
    let { payload } = action;
    switch (action.type) {
        /* _____________ CRUD _____________ */
        case types.ADD_NOTIFY:
            return state;
        case types.ADD_NOTIFY_LIST:
            return {
                ...state,
                userNotifies: {
                    ...payload
                },
                loaded: true
            };
        case types.SEEN_NOTIFY:
            return {
                ...state,
                userNotifies: {
                    ...state.userNotifies,
                    [payload]: {
                        ...state.userNotifies[payload],
                        isSeen: true
                    }
                },
                loaded: true
            };
        case types.DELETE_NOTIFY:
            let parsedNotifies = {};

            Object.keys(state.userNotifies).map((id) => {
                if (id !== payload) {
                    _.merge(parsedNotifies, { [id]: { ...state.userNotifies[id] } });
                }
            });

            return {
                ...state,
                userNotifies: {
                    ...parsedNotifies
                }
            };
        case types.CLEAR_ALL_DATA_NOTIFY:
            return defaultState;
        default:
            return state;
    }
}