on-pull-request-review-comment.yml

name: 👌 On Pull Request Review

on:
  pull_request_review:
    types: [submitted]

jobs:
  comment:
    runs-on: ubuntu-latest
    steps:
      - name: checkout-branch
        uses: actions/checkout@v3

      # 모든 리뷰코멘트가 NIT을 포함하는지 확인한다.
      - name: check-comment
        id: check-comment
        uses: actions/github-script@v6
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            /** For more details how "context object" looks like, see: https://github.com/actions/toolkit/blob/main/packages/github/src/context.ts */

            const {data: reviewComments} = await github.rest.pulls.listReviewComments({ 
              owner: context.repo.owner,
              repo: context.repo.repo,
              pull_number: context.issue.number,
              }) ?? [];
              
            /** For more details how "comment object" looks like, see: https://docs.github.com/ko/rest/pulls/comments?apiVersion=2022-11-28#list-review-comments-on-a-pull-request */
            const reviewId = context.payload.review.id // reviewCommenes.at(-1).id 에서 뽑아오게 되는 경우, 동시성 문제가 발생할 수 있으므로 context에서 추출하도록 한다.
            const reviewCommentsInThisReview = reviewComments.filter(comment => comment.pull_request_review_id === reviewId);
            const reviewCommentsNotInReply = reviewCommentsInThisReview.filter(comment => comment?.in_reply_to_id == null);

            const TRUNCATE_COMMENT_LENGTH = 30;

            let haveAllReviewCommentsContainNIT = true;

            for(const comment of reviewCommentsNotInReply) {
              const truncatedComment = comment.body.slice(0, TRUNCATE_COMMENT_LENGTH);
              const isTruncated = comment.body.length > TRUNCATE_COMMENT_LENGTH;
              const isNotContainNIT = !comment.body.includes('NIT');

              const msg = [isNotContainNIT ? "🙇 " : "👍🏻 ", "Review Comment: ", truncatedComment, isTruncated ? '..' : ''].join('');
              const escapedMsg = msg.replaceAll(/[\r\n]+/g, '\\n');
              console.log(escapedMsg);

              if(isNotContainNIT) haveAllReviewCommentsContainNIT = false;
            }

            console.log(haveAllReviewCommentsContainNIT ? "👍🏻 All review comments contain NIT(Not Important Though)" : "🙇 Some review comments says Need To Change");

            if(haveAllReviewCommentsContainNIT) return true;
            else return false;

      # 어떤 리뷰 코멘트가 NIT을 포함하지 않는다면, 변경이 필요하므로 PR을 draft 상태로 만든다.
      - name: make-this-pr-to-draft
        if: ${{ steps.check-comment.outputs.result == 'false' }}
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: gh pr ready --undo ${{ github.event.pull_request.number }}