redash/client/app/components/users/CreateUserDialog.jsx

import React from 'react';
import PropTypes from 'prop-types';
import Modal from 'antd/lib/modal';
import Alert from 'antd/lib/alert';
import DynamicForm from '@/components/dynamic-form/DynamicForm';
import { wrap as wrapDialog, DialogPropType } from '@/components/DialogWrapper';
import recordEvent from '@/services/recordEvent';

class CreateUserDialog extends React.Component {
  static propTypes = {
    dialog: DialogPropType.isRequired,
    onCreate: PropTypes.func.isRequired,
  };

  constructor(props) {
    super(props);
    this.state = { savingUser: false, errorMessage: null };
    this.form = React.createRef();
  }

  componentDidMount() {
    recordEvent('view', 'page', 'users/new');
  }

  createUser = () => {
    this.form.current.validateFieldsAndScroll((err, values) => {
      if (!err) {
        this.setState({ savingUser: true });
        this.props.onCreate(values).then(() => {
          this.props.dialog.close();
        }).catch((error) => {
          this.setState({ savingUser: false, errorMessage: error.message });
        });
      }
    });
  };

  render() {
    const { savingUser, errorMessage } = this.state;
    const formFields = [
      { name: 'name', title: 'Name', type: 'text', autoFocus: true },
      { name: 'email', title: 'Email', type: 'email' },
    ].map(field => ({ required: true, props: { onPressEnter: this.createUser }, ...field }));

    return (
      <Modal
        {...this.props.dialog.props}
        title="Create a New User"
        okText="Create"
        okButtonProps={{ loading: savingUser }}
        onOk={() => this.createUser()}
      >
        <DynamicForm fields={formFields} ref={this.form} hideSubmitButton />
        {errorMessage && <Alert message={errorMessage} type="error" showIcon />}
      </Modal>
    );
  }
}

export default wrapDialog(CreateUserDialog);