labels-from-comments.yml

# This workflow allows any user to add one of the `awaiting-review`, `awaiting-author`, or `WIP` labels,
# by commenting on the PR or issue.
# Other labels from this set are removed automatically at the same time.

name: Label PR based on Comment

on:
  issue_comment:
    types: [created]

jobs:
  update-label:
    if: github.event.issue.pull_request != null && (github.event.comment.body == 'awaiting-review' || github.event.comment.body == 'awaiting-author' || github.event.comment.body == 'WIP')
    runs-on: ubuntu-latest

    steps:
    - name: Remove all relevant labels
      uses: actions/github-script@v6
      with:
        github-token: ${{ secrets.GITHUB_TOKEN }}
        script: |
          const { owner, repo, number: issue_number } = context.issue;

          // Remove the labels if they exist
          await github.rest.issues.removeLabel({ owner, repo, issue_number, name: 'awaiting-review' }).catch(() => {});
          await github.rest.issues.removeLabel({ owner, repo, issue_number, name: 'awaiting-author' }).catch(() => {});
          await github.rest.issues.removeLabel({ owner, repo, issue_number, name: 'WIP' }).catch(() => {});

    - name: Add label based on comment
      uses: actions/github-script@v6
      with:
        github-token: ${{ secrets.GITHUB_TOKEN }}
        script: |
          const { owner, repo, number: issue_number  } = context.issue;
          const commentBody = context.payload.comment.body;

          if (commentBody == 'awaiting-review') {
            await github.rest.issues.addLabels({ owner, repo, issue_number, labels: ['awaiting-review'] });
          } else if (commentBody == 'awaiting-author') {
            await github.rest.issues.addLabels({ owner, repo, issue_number, labels: ['awaiting-author'] });
          } else if (commentBody == 'WIP') {
            await github.rest.issues.addLabels({ owner, repo, issue_number, labels: ['WIP'] });
          }

    # - name: Delete the comment
    #   uses: actions/github-script@v6
    #   with:
    #     github-token: ${{ secrets.GITHUB_TOKEN }}
    #     script: |
    #       const { owner, repo } = context.repo;

    #       await github.rest.issues.deleteComment({ owner, repo, comment_id: context.payload.comment.id });