shields/services/jenkins/jenkins-plugin-version.service.js

'use strict'

const { promisify } = require('util')
const { regularUpdate } = require('../../core/legacy/regular-update')
const { renderVersionBadge } = require('../version')
const { BaseService, NotFound } = require('..')

module.exports = class JenkinsPluginVersion extends BaseService {
  static category = 'version'

  static route = {
    base: 'jenkins/plugin/v',
    pattern: ':plugin',
  }

  static examples = [
    {
      title: 'Jenkins Plugins',
      namedParams: {
        plugin: 'blueocean',
      },
      staticPreview: {
        label: 'plugin',
        message: 'v1.10.1',
        color: 'blue',
      },
    },
  ]

  static defaultBadgeData = { label: 'plugin' }

  static render({ version }) {
    return renderVersionBadge({ version })
  }

  async fetch() {
    return promisify(regularUpdate)({
      url: 'https://updates.jenkins-ci.org/current/update-center.actual.json',
      intervalMillis: 4 * 3600 * 1000,
      scraper: json =>
        Object.keys(json.plugins).reduce((previous, current) => {
          previous[current] = json.plugins[current].version
          return previous
        }, {}),
    })
  }

  async handle({ plugin }) {
    const versions = await this.fetch()
    const version = versions[plugin]
    if (version === undefined) {
      throw new NotFound({ prettyMessage: 'plugin not found' })
    }
    return this.constructor.render({ version })
  }
}