wba/frontend/src/js/component/wb-live-logs.js

import { h, Component } from 'preact';
import makeArvadosRequest from 'make-arvados-request';

class WBLiveLogs extends Component {
  componentDidMount() {
    this.fetchData();
  }

  componentWillReceiveProps(nextProps) {
    if (nextProps.uuid === this.props.uuid);
      return;
    this.props = nextProps;
    this.fetchData();
  }

  fetchData() {
    const { uuid, app } = this.props;
    const { arvHost, arvToken } = app.state;
    const filters = [
      [ 'object_uuid', '=', uuid ]
    ];
    let prom = makeArvadosRequest(arvHost, arvToken,
      '/arvados/v1/logs?filters=' + encodeURIComponent(JSON.stringify(filters)));
    prom = prom.then(xhr => {
      const { items } = xhr.response;
      this.setState({
        content: items.filter(a => ('text' in a.properties)).map(a => a.properties.text.trim()).join('\n')
      });
    });
  }

  render({}, { content }) {
    return (
      <div>
        <a href="#" onclick={ e => {
          e.preventDefault();
          this.fetchData();
        } }>Refresh</a>
        <pre class="word-warp terminal">
          { content }
        </pre>
      </div>
    );
  }
}

export default WBLiveLogs;