116 lines
4.0 KiB
JavaScript
116 lines
4.0 KiB
JavaScript
// Description:
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// Script that listens to new GitHub pull requests
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// and greets the user if it is their first PR on the repo
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//
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// Dependencies:
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// github: "^13.1.0"
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// probot-config: "^0.1.0"
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//
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// Author:
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// PombeirP
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const getConfig = require('probot-config')
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const slackHelper = require('../lib/slack')
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const defaultConfig = require('../lib/config')
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const botName = 'greet-new-contributor'
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module.exports = (robot) => {
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robot.on('pull_request.opened', async context => {
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// Make sure we don't listen to our own messages
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if (context.isBot) { return }
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// A new PR was opened
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await greetNewContributor(context, robot)
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})
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}
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function executeTemplate (templateString, templateVars) {
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let s = templateString
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for (const templateVar in templateVars) {
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if (templateVars.hasOwnProperty(templateVar)) {
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const value = templateVars[templateVar]
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s = s.replace(`{${templateVar}}`, value)
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}
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}
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return s
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}
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async function greetNewContributor (context, robot) {
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const { github, payload } = context
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const config = await getConfig(context, 'github-bot.yml', defaultConfig(robot, '.github/github-bot.yml'))
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const repoInfo = { owner: payload.repository.owner.login, repo: payload.repository.name }
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const prInfo = { ...repoInfo, number: payload.pull_request.number }
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const welcomeBotConfig = config ? config['welcome-bot'] : null
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if (!welcomeBotConfig) {
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return
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}
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robot.log(`${botName} - Handling Pull Request #${prInfo.number} on repo ${repoInfo.owner}/${repoInfo.repo}`)
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try {
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const ghissuesPayload = await github.issues.getForRepo({
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...repoInfo,
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state: 'all',
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creator: payload.pull_request.user.login
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})
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const userPullRequests = ghissuesPayload.data.filter(issue => issue.pull_request)
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if (userPullRequests.length === 1) {
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try {
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const welcomeMessage = executeTemplate(welcomeBotConfig['message-template'], { user: payload.pull_request.user.login, 'pr-number': prInfo.number, 'repo-name': repoInfo.repo })
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if (process.env.DRY_RUN) {
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robot.log(`${botName} - Would have created comment in GHI`, prInfo, welcomeMessage)
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} else {
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await github.issues.createComment({
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...prInfo,
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body: welcomeMessage
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})
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}
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// Send message to Slack
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slackHelper.sendMessage(robot, config.slack.notification.room, `Greeted ${payload.pull_request.user.login} on his first PR in the ${repoInfo.repo} repo\n${payload.pull_request.html_url}`)
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const slackRecipients = welcomeBotConfig['slack-recipients']
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if (slackRecipients) {
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for (const slackUsername of slackRecipients) {
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await notifySlackRecipient(robot, slackUsername, payload, repoInfo)
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}
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}
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} catch (err) {
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if (err.code !== 404) {
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robot.log.error(`${botName} - Couldn't create comment on PR: ${err}`, repoInfo)
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}
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}
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} else {
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robot.log.debug(`${botName} - This is not the user's first PR on the repo, ignoring`, repoInfo, payload.pull_request.user.login)
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}
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} catch (err) {
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robot.log.error(`${botName} - Couldn't fetch the user's github issues for repo: ${err}`, repoInfo)
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}
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}
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async function notifySlackRecipient (robot, slackUsername, payload, repoInfo) {
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try {
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const slackProfileCache = robot['slackProfileCache']
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const userID = await slackProfileCache.getSlackIdFromSlackUsername(slackUsername)
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const resp = await robot.slackWeb.im.open(userID)
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const dmChannelID = resp.channel.id
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const msg = `Greeted ${payload.pull_request.user.login} on his first PR in the ${repoInfo.repo} repo\n${payload.pull_request.html_url}`
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robot.log.info(`${botName} - Opened DM Channel ${dmChannelID}`)
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robot.log.info(`Notifying ${slackUsername} about user's first PM in ${payload.pull_request.url}`)
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robot.slackWeb.chat.postMessage(dmChannelID, msg, {unfurl_links: true, as_user: slackHelper.BotUserName})
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} catch (error) {
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robot.log.warn(`Could not open DM channel to ${slackUsername} for new user's first PM notification`, error)
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}
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}
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