pr_ping.yml

name: New PR notification
# ℹ️ https://github.com/WordPress/openverse/blob/main/.github/GITHUB.md#new-pr-notification

on:
  pull_request_target:
    types:
      - opened
      - ready_for_review

jobs:
  send_message:
    name: Send Slack message
    # Prevent running this workflow on forks, it's unnecessary for external contributors
    # Also prevent running this for bot-related PRs
    if: |
      github.actor != 'dependabot[bot]' &&
      !startsWith(github.event.pull_request.title, '🔄') &&
      github.repository_owner == 'WordPress'
    runs-on: ubuntu-latest
    env:
      EVENT_ACTION: ${{ github.event.action }}
    steps:
      - name: Write payload to file
        uses: actions/github-script@v7
        with:
          script: |
            let { writeFileSync } = await import('fs')

            const repoName = `${context.repo.owner}/${context.repo.repo}`
            const { pull_request: pr } = context.payload
            const isNew = process.env.EVENT_ACTION === 'opened'
            const emoji = pr.draft ? ':pr-draft:' : ':pull-request:'
            const adjective = isNew ? pr.draft ? 'New draft ' : 'New ' : ''
            const verb = isNew ? 'opened' : 'marked ready for review'

            const payload = {
              text: `${adjective}PR ${verb} by ${pr.user.login} in ${repoName}: #${pr.number} - ${pr.title}`,
              blocks: [
                {
                  type: 'section',
                  text: {
                    type: 'mrkdwn',
                    text: `${emoji} ${adjective}PR ${verb} by *${pr.user.login}* in \`${repoName}\`:\n<${pr.html_url}|#${pr.number} - ${pr.title}>`
                  }
                }
              ]
            }
            console.log(JSON.stringify(payload))
            writeFileSync('/tmp/pr_ping_payload.json', JSON.stringify(payload))

      - name: Send Slack notification
        uses: slackapi/slack-github-action@v2
        with:
          webhook: ${{ secrets.SLACK_WEBHOOK_URL }}
          webhook-type: incoming-webhook
          payload-file-path: /tmp/pr_ping_payload.json