main.yml

name: Notify about PRs

on:
  pull_request:
    types: [opened, reopened]
  pull_request_target:
    types: [opened, reopened]

jobs:
  notify_slack:
    runs-on: ubuntu-latest
    steps:
      - name: Send alert to Slack
        id: slack
        uses: slackapi/slack-github-action@v1.24.0
        env:
          SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL }}
          SLACK_WEBHOOK_TYPE: INCOMING_WEBHOOK
        with:
          payload: |
            {
              "text": "GitHub Pull Request opened in: ${{ github.event.repository.name }}",
              "blocks": [
                {
                  "type": "section",
                  "text": {
                    "type": "mrkdwn",
                    "text": "GitHub Pull Request opened in: ${{ github.event.repository.name }} \n#${{ github.event.pull_request.number }} <${{ github.event.pull_request.html_url}}|${{ github.event.pull_request.title }}>"
                  }
                },
                {
                  "type": "section",
                  "text": {
                    "type": "mrkdwn",
                    "text": "By ${{ github.event.pull_request.author_association }}: <${{ github.event.pull_request.user.html_url }}|${{ github.event.pull_request.user.login }}>\n\n"
                  },
                  "accessory": {
                    "type": "image",
                    "image_url": "${{ github.event.pull_request.user.avatar_url }}",
                    "alt_text": "Avatar"
                  }
                },
                {
                  "type": "section",
                  "text": {
                    "type": "mrkdwn",
                    "text": ${{ toJSON(github.event.pull_request.body) }}
                  }
                }
              ]
            }