seahub/frontend/src/components/dialog/readme-dialog.js

import React from 'react';
import PropTypes from 'prop-types';
import { Button, Modal, ModalHeader, ModalBody, ModalFooter } from 'reactstrap';
import MarkdownViewer from '@seafile/seafile-editor/dist/viewer/markdown-viewer';
import Loading from '../../components/loading';
import { seafileAPI } from '../../utils/seafile-api';
import { gettext } from '../../utils/constants';

const propTypes = {
  repoID: PropTypes.string.isRequired,
  filePath: PropTypes.string.isRequired,
  fileName: PropTypes.string.isRequired,
  href: PropTypes.string,
  toggleCancel: PropTypes.func.isRequired,
};

class ReadmeDialog extends React.Component {

  constructor(props) {
    super(props);
    this.state = {
      readmeContent: null,
      isLoading: true,
    };
  }

  componentDidMount() {
    seafileAPI.getFileDownloadLink(this.props.repoID, this.props.filePath).then(res => {
      seafileAPI.getFileContent(res.data).then(res => {
        this.setState({
          readmeContent: res.data,
          isLoading: false,
        }); 
      });
    });
  }

  render() {
    return (
      <Modal isOpen={true} className="readme-dialog" size="lg">
        <ModalHeader>{gettext(this.props.fileName)}
          <a className="readme-dialog-edit" href={this.props.href} target='_blank'><i className="fa fa-pencil"></i></a>
        </ModalHeader>
        <ModalBody>
          {this.state.isLoading ? 
            <Loading />:
            <MarkdownViewer markdownContent={this.state.readmeContent} showTOC={false}/>
          }
        </ModalBody>
        <ModalFooter>
          <Button color="secondary" onClick={this.props.toggleCancel}>{gettext('Close')}</Button>
        </ModalFooter>
      </Modal>
    );
  }
}

ReadmeDialog.propTypes = propTypes;

export default ReadmeDialog;