pr-notifier.yml

name: Post PR to Slack
on:
  pull_request:
    types:
      - opened
      - ready_for_review
      - reopened
      - closed
env:
  SLACK_BOT_TOKEN: ${{ secrets.SLACK_BOT_TOKEN }}

jobs:
  notify-on-open-pr:
    runs-on: ubuntu-latest
    if: github.event.pull_request.draft == false && (github.event.action == 'opened' || github.event.action == 'reopened' || github.event.action == 'ready_for_review')
    steps:
      - name: Post to slack
        id: slack
        uses: slackapi/slack-github-action@v1.25.0
        with:
          channel-id: ${{ vars.SLACK_CHANNEL_ID }}
          payload: |
            {
                "blocks": [
                    {
                        "type": "section",
                        "text": {
                            "type": "mrkdwn",
                            "text": ":large_yellow_circle: *${{ github.event.repository.name }}:* Pull request opened by ${{ github.event.pull_request.user.login }}\n<${{ github.event.pull_request.html_url }}>"
                        }
                    }
                ]
            }
  notify-on-merged-pr:
    runs-on: ubuntu-latest
    if: github.event.pull_request.draft == false && github.event.action == 'closed' && github.event.pull_request.merged == true
    steps:
      - name: Post to slack
        id: slack
        uses: slackapi/slack-github-action@v1.25.0
        with:
          channel-id: ${{ vars.SLACK_CHANNEL_ID }}
          payload: |
            {
                "blocks": [
                    {
                        "type": "section",
                        "text": {
                            "type": "mrkdwn",
                            "text": ":white_check_mark: *${{ github.event.repository.name }}:* Pull request merged\n<${{ github.event.pull_request.html_url }}>"
                        }
                    }
                ]
            }
  notify-on-closed-pr:
    runs-on: ubuntu-latest
    if: github.event.pull_request.draft == false && github.event.action == 'closed' && github.event.pull_request.merged == false
    steps:
      - name: Post to slack
        id: slack
        uses: slackapi/slack-github-action@v1.25.0
        with:
          channel-id: ${{ vars.SLACK_CHANNEL_ID }}
          payload: |
            {
                "blocks": [
                    {
                        "type": "section",
                        "text": {
                            "type": "mrkdwn",
                            "text": ":wastebasket: *${{ github.event.repository.name }}:* Pull request closed\n<${{ github.event.pull_request.html_url }}>"
                        }
                    }
                ]
            }