pull_request_opened.yml

name: Pull Request Opened

on:
  pull_request:
    types: 
      - opened
      - labeled
      - unlabeled
      - edited
  workflow_dispatch:

jobs:
  set-labels:
    runs-on: ubuntu-latest
    steps:
    - name: Labeler
      uses: actions/labeler@v5.0.0
      with:
        repo-token: ${{ secrets.GITHUB_TOKEN }}
        configuration-path: .github/labeler.yml
        sync-labels: true

  update-pr-title:
    runs-on: ubuntu-latest
    needs: set-labels
    steps:
    - name: Checkout
      uses: actions/checkout@v2
      
    - name: Get PR Info
      id: get_pr
      uses: octokit/request-action@v2.x
      with:
        route: GET /repos/${{ github.repository }}/pulls/${{ github.event.pull_request.number }}
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

    - name: Extract Labels
      id: extract_labels
      run: echo "::set-output name=labels::${{ toJSON(github.event.pull_request.labels.*.name) }}"
    
    - name: Update PR Title
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      run: |
        PR_TITLE=$(jq -r '.title' <<< "${{ steps.get_pr.outputs.data }}")
        PR_LABELS="${{ steps.extract_labels.outputs.labels }}"

        PREFIX=""

        if [[ "$PR_LABELS" == *"Documentation"* ]]; then
          PREFIX="[Docs]"
        elif [[ "$PR_LABELS" == *"NuGet"* ]]; then
          PREFIX="[NuGet]"
        elif [[ "$PR_LABELS" == *"Scripts"* ]]; then
          PREFIX="[Scripts]"
        elif [[ "$PR_LABELS" == *"regarding-events"* ]]; then
          PREFIX="[Events]"
        elif [[ "$PR_LABELS" == *"regarding-api"* ]]; then
          PREFIX="[API]"
        elif [[ "$PR_LABELS" == *"regarding-transpiler"* ]]; then
          PREFIX="[Transpiler]"
        elif [[ "$PR_LABELS" == *"CustomModules"* ]]; then
          PREFIX="[CustomModules]"
        elif [[ "$PR_LABELS" == *"Installer"* ]]; then
          PREFIX="[Installer]"
        elif [[ "$PR_LABELS" == *"GitHub_Actions"* ]]; then
          PREFIX="[GitHub]"
        fi

        NEW_TITLE="$PREFIX $PR_TITLE"
        
        if [[ "$NEW_TITLE" != "$PR_TITLE" ]]; then
          curl -X PATCH \
            -H "Authorization: token $GITHUB_TOKEN" \
            -H "Accept: application/vnd.github.v3+json" \
            https://api.github.com/repos/${{ github.repository }}/pulls/${{ github.event.pull_request.number }} \
            -d "{\"title\":\"$NEW_TITLE\"}"
        fi