Mailspring/packages/client-app/internal_packages/thread-snooze/lib/snooze-mail-label.jsx

import _ from 'underscore';
import React, {Component, PropTypes} from 'react';
import {FocusedPerspectiveStore} from 'nylas-exports';
import {RetinaImg, MailLabel} from 'nylas-component-kit';
import {SNOOZE_CATEGORY_NAME, PLUGIN_ID} from './snooze-constants';
import SnoozeUtils from './snooze-utils';


class SnoozeMailLabel extends Component {
  static displayName = 'SnoozeMailLabel';

  static propTypes = {
    thread: PropTypes.object,
  };

  static containerRequired = false;

  render() {
    const current = FocusedPerspectiveStore.current()
    const isSnoozedPerspective = (
      current.categories().length > 0 &&
      current.categories()[0].displayName === SNOOZE_CATEGORY_NAME
    )

    if (!isSnoozedPerspective) {
      return false
    }

    const {thread} = this.props;
    if (_.findWhere(thread.categories, {displayName: SNOOZE_CATEGORY_NAME})) {
      const metadata = thread.metadataForPluginId(PLUGIN_ID);
      if (metadata) {
        // TODO this is such a hack
        const {snoozeDate} = metadata;
        const message = SnoozeUtils.snoozedUntilMessage(snoozeDate).replace('Snoozed', '')
        const content = (
          <span className="snooze-mail-label">
            <RetinaImg
              name="icon-snoozed.png"
              mode={RetinaImg.Mode.ContentIsMask}
            />
            <span className="date-message">{message}</span>
          </span>
        )
        const label = {
          displayName: content,
          isLockedCategory: () => true,
          hue: () => 259,
        }
        return <MailLabel label={label} key={`snooze-message-${thread.id}`} />;
      }
      return <span />
    }
    return <span />
  }
}

export default SnoozeMailLabel;