naming-conventions.yml

name: PR Title and Label Check
on:
  pull_request:
    types: [opened, reopened, edited, labeled, unlabeled, synchronize]
jobs:
  title-n-label-check:
    runs-on: ubuntu-latest
    permissions:
      contents: read
    steps:
      - name: Check PR Title follows conventional commit naming
        id: check-pr-naming
        uses: amannn/action-semantic-pull-request@v5
        continue-on-error: true
        with:
          # https://www.conventionalcommits.org/en/v1.0.0/
          ignoreLabels: |
            skip-ci
          requireScope: false
          wip: true
          validateSingleCommit: false

      - uses: docker://agilepathway/pull-request-label-checker:v1.6.56
        # https://github.com/agilepathway/label-checker
        id: check-pr-labels
        with:
          one_of: major,minor,patch,no-release
          repo_token: ${{ secrets.GITHUB_TOKEN }}

    outputs:
      labels_valid: ${{ steps.check-pr-labels.outputs.label_check }} # 'success' or 'failure'
      title_error: ${{ steps.check-pr-naming.outputs.error_message }} # null or error message


  handle-comments:
    runs-on: ubuntu-latest
    needs: title-n-label-check
    permissions:
      pull-requests: write
      contents: read
    steps:
      - name: Debug outputs from title-n-label-check
        run: |
          echo "Title Error: ${{ needs.title-n-label-check.outputs.title_error }}"
          echo "Labels Valid: ${{ needs.title-n-label-check.outputs.labels_valid }}"

      - name: Find existing PR title error comment
        uses: peter-evans/find-comment@v2
        id: find-title-comment
        with:
          issue-number: ${{ github.event.pull_request.number }}
          comment-author: 'github-actions[bot]'
          body-includes: We require pull request titles to follow

      - name: Find existing PR label error comment
        uses: peter-evans/find-comment@v2
        id: find-label-comment
        with:
          issue-number: ${{ github.event.pull_request.number }}
          comment-author: 'github-actions[bot]'
          body-includes: PR must have at least one of the following labels

      - name: Add PR naming error comment
        id: pr-title-error
        uses: peter-evans/create-or-update-comment@v2
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          repository: ${{ github.repository }}
          issue-number: ${{ github.event.pull_request.number }}
          comment-id: ${{ steps.find-title-comment.outputs.comment-id }}
          body: |
            Hey there and thank you for opening this pull request! 👋🏼
            
            We require pull request titles to follow the [Conventional Commits specification](https://www.conventionalcommits.org/en/v1.0.0/) and it looks like your proposed title needs to be adjusted.

            Details:
            
            ```
            ${{ needs.title-n-label-check.outputs.title_error }}
          edit-mode: replace
        if: needs.title-n-label-check.outputs.title_error != null

      - name: Remove title error comment
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          COMMENT_ID: ${{ steps.find-title-comment.outputs.comment-id }}
        run: |
          curl -X DELETE \
            -H "Authorization: token $GITHUB_TOKEN" \
            -H "Accept: application/vnd.github.v3+json" \
            https://api.github.com/repos/${{ github.repository }}/issues/comments/$COMMENT_ID
        if: needs.title-n-label-check.outputs.title_error == null        

      - name: Add PR label error comment
        id: pr-label-error
        uses: peter-evans/create-or-update-comment@v2
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          repository: ${{ github.repository }}
          issue-number: ${{ github.event.pull_request.number }}
          comment-id: ${{ steps.find-label-comment.outputs.comment-id }}
          body: |
            PR must have at least one of the following labels: major, minor, patch.
          edit-mode: replace
        if: needs.title-n-label-check.outputs.labels_valid != 'success'

      - name: Remove label error comment
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          COMMENT_ID: ${{ steps.find-label-comment.outputs.comment-id }}
        run: |
          curl -X DELETE \
            -H "Authorization: token $GITHUB_TOKEN" \
            -H "Accept: application/vnd.github.v3+json" \
            https://api.github.com/repos/${{ github.repository }}/issues/comments/$COMMENT_ID
        if: needs.title-n-label-check.outputs.labels_valid == 'success'