shields/frontend/components/dynamic-badge-maker.js

import React from 'react';
import PropTypes from 'prop-types';
import { dynamicBadgeUrl } from '../lib/badge-url';

export default class DynamicBadgeMaker extends React.Component {
  static propTypes = {
    baseUri: PropTypes.string,
  };

  state = {
    datatype: '',
    label: '',
    url: '',
    query: '',
    color: '',
    prefix: '',
    suffix: '',
  };

  makeBadgeUri () {
    const { datatype, label, url, query, color, prefix, suffix } = this.state;
    const { baseUri: baseUrl = document.location.href } = this.props;
    return dynamicBadgeUrl(baseUrl, datatype, label, url, query, { color, prefix, suffix });
  }

  handleSubmit(e) {
    e.preventDefault();
    document.location = this.makeBadgeUri();
  }

  get isValid() {
    const { datatype, label, url, query } = this.state;
    return datatype && label && url && query;
  }

  render() {
    return (
      <form onSubmit={e => this.handleSubmit(e)}>
        <select
          className="short"
          value={this.state.datatype}
          onChange={event => this.setState({ datatype: event.target.value })}>
          <option value="" disabled>data type</option>
          <option value="json">json</option>
          <option value="xml">xml</option>
          <option value="yaml">yaml</option>
        </select> {}
        <input
          className="short"
          value={this.state.label}
          onChange={event => this.setState({ label: event.target.value })}
          placeholder="label" /> {}
        <input
          className="short"
          value={this.state.url}
          onChange={event => this.setState({ url: event.target.value })}
          placeholder="url" /> {}
        <input
          className="short"
          value={this.state.query}
          onChange={event => this.setState({ query: event.target.value })}
          placeholder="query" /> {}
        <input
          className="short"
          value={this.state.color}
          onChange={event => this.setState({ color: event.target.value })}
          placeholder="color" /> {}
        <input
          className="short"
          value={this.state.prefix}
          onChange={event => this.setState({ prefix: event.target.value })}
          placeholder="prefix" /> {}
        <input
          className="short"
          value={this.state.suffix}
          onChange={event => this.setState({ suffix: event.target.value })}
          placeholder="suffix" /> {}
        <button disabled={! this.isValid}>Make Badge</button>
      </form>
    );
  }
}