SCM-Manager/scm-ui/ui-webapp/src/containers/App.tsx

import React, { Component } from 'react';
import Main from './Main';
import { connect } from 'react-redux';
import { translate } from 'react-i18next';
import { withRouter } from 'react-router-dom';
import {
  fetchMe,
  getFetchMeFailure,
  getMe,
  isAuthenticated,
  isFetchMePending,
} from '../modules/auth';

import {
  ErrorPage,
  Footer,
  Header,
  Loading,
  PrimaryNavigation,
} from '@scm-manager/ui-components';
import { Links, Me } from '@scm-manager/ui-types';
import {
  getFetchIndexResourcesFailure,
  getLinks,
  getMeLink,
  isFetchIndexResourcesPending,
} from '../modules/indexResource';

type Props = {
  me: Me;
  authenticated: boolean;
  error: Error;
  loading: boolean;
  links: Links;
  meLink: string;

  // dispatcher functions
  fetchMe: (link: string) => void;

  // context props
  t: (p: string) => string;
};

class App extends Component<Props> {
  componentDidMount() {
    if (this.props.meLink) {
      this.props.fetchMe(this.props.meLink);
    }
  }

  render() {
    const { me, loading, error, authenticated, links, t } = this.props;

    let content;
    const navigation = authenticated ? <PrimaryNavigation links={links} /> : '';

    if (loading) {
      content = <Loading />;
    } else if (error) {
      content = (
        <ErrorPage
          title={t('app.error.title')}
          subtitle={t('app.error.subtitle')}
          error={error}
        />
      );
    } else {
      content = <Main authenticated={authenticated} links={links} />;
    }
    return (
      <div className="App">
        <Header>{navigation}</Header>
        {content}
        {authenticated && <Footer me={me} />}
      </div>
    );
  }
}

const mapDispatchToProps = (dispatch: any) => {
  return {
    fetchMe: (link: string) => dispatch(fetchMe(link)),
  };
};

const mapStateToProps = state => {
  const authenticated = isAuthenticated(state);
  const me = getMe(state);
  const loading =
    isFetchMePending(state) || isFetchIndexResourcesPending(state);
  const error =
    getFetchMeFailure(state) || getFetchIndexResourcesFailure(state);
  const links = getLinks(state);
  const meLink = getMeLink(state);
  return {
    authenticated,
    me,
    loading,
    error,
    links,
    meLink,
  };
};

export default withRouter(
  connect(
    mapStateToProps,
    mapDispatchToProps,
  )(translate('commons')(App)),
);