service.js

const assigneesMap = require('./consts').assignees
const github = require('./github')
const comments = require('./consts').comment

module.exports = {
  async addAssignees(ctx, issue) {
    const labels = issue.labels
    const assignees = []
    labels.forEach(label => {
      if (label.name.indexOf('component:') > -1 && assigneesMap[label.name]) {
        assignees.push(assigneesMap[label.name])
      }
    })
    if (assignees.length) {
      await github.addAssignees(issue, `[${ assignees.map(a => `"${ a }"`).join(', ') }]`)
    }
    ctx.body = `This issue is labelled. Added ${ assignees.length } assignees.`
  },

  async translate(ctx, issue) {
    ctx.body += ' It\'s in Chinese.'

    const { title, body } = issue
    let newTitle = await github.translate(title)
    newTitle = JSON.parse(newTitle.body)
    if (newTitle.trans_result && newTitle.trans_result[0] && newTitle.trans_result[0].dst) {
      await github.changeTitle(issue, newTitle.trans_result[0].dst)
    }
    ctx.body += ` Title changed: ${ newTitle.trans_result[0].dst }.`

    let comment = ''
    let translatedBody = await github.translate(body.replace(/<\!-- generated by https:\/\/eleme-issue\.surge\.sh DO NOT REMOVE -->/g, ''))
    translatedBody = JSON.parse(translatedBody.body)
    if (translatedBody.trans_result) {
      translatedBody.trans_result.forEach((line, index) => {
        comment += `${ line.dst.replace('] (', '](') }\\n${ index % 2 === 1 ? '\\n' : '' }`
      })
    }
    if (comment.length > 0) {
      comment = 'Translation of this issue:\\n\\n' + comment
      await github.commentIssue(issue, comment.replace(/"/g, '\\"'))
      ctx.body += ` Content translated: ${ comment }.`
    }
  },

  async referToFaq(ctx, issue) {
    const comment = comments.faq.en
    ctx.body += ' Answer can be found in FAQ.'
    await github.commentIssue(issue, comment)
    await github.closeIssue(issue)
    ctx.body += ' Commented and closed.'
  },

  async notifyEmptyFiddle(ctx, issue) {
    let comment = comments.invalidFiddle.en
    ctx.body += ' But the fiddle is invalid.'
    await github.commentIssue(issue, comment)
  }
}