hummingbird-me/kitsu-web

import Component from '@ember/component';
import { get, computed } from '@ember/object';

export default Component.extend({
  classNames: ['readonly-rating'],
  width: '20',
  height: '20',

  regularRating: computed('rating', function() {
    return Math.floor((get(this, 'rating') / 2) * 2) / 2;
  }).readOnly(),

  simpleTag: computed('rating', function() {
    const rating = get(this, 'rating');
    return this._getRatingGroup(rating);
  }).readOnly(),

  _getRatingGroup(rating) {
    if (rating > 0 && rating < 4) {
      return 'awful';
    }

    if (rating >= 4 && rating < 7) {
      return 'meh';
    }

    if (rating >= 7 && rating < 10) {
      return 'good';
    }

    return 'great';
  }
});