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path: root/frontend/src/components/Notifications.js
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import React, {Component} from 'react';
import './Notifications.scss';
import dispatcher from "../dispatcher";

const _ = require('lodash');
const classNames = require('classnames');

class Notifications extends Component {

    state = {
        notifications: [],
        closedNotifications: [],
    };

    componentDidMount() {
        dispatcher.register("notifications", notification => {
            const notifications = this.state.notifications;
            notifications.push(notification);
            this.setState({notifications});

            setTimeout(() => {
                const notifications = this.state.notifications;
                notification.open = true;
                this.setState({notifications});
            }, 100);

            setTimeout(() => {
                const notifications = _.without(this.state.notifications, notification);
                const closedNotifications = this.state.closedNotifications.concat([notification]);
                notification.closed = true;
                this.setState({notifications, closedNotifications});
            }, 5000);

            setTimeout(() => {
                const closedNotifications = _.without(this.state.closedNotifications, notification);
                this.setState({closedNotifications});
            }, 6000);
        });
    }

    render() {
        return (
            <div className="notifications">
                <div className="notifications-list">
                    {
                        this.state.closedNotifications.concat(this.state.notifications).map(n =>
                            <div className={classNames("notification", {"notification-closed": n.closed},
                                {"notification-open": n.open})}>
                                <h3 className="notification-title">{n.event}</h3>
                                <span className="notification-description">{JSON.stringify(n.message)}</span>
                            </div>
                        )
                    }
                </div>
            </div>
        );
    }
}

export default Notifications;