comment-pr.yml

---
name: Comment Artifact URL on PR

on:
    workflow_run:
        types:
            - "completed"
        workflows:
            - "Build PR"

jobs:
    comment:
        if: github.event.workflow_run.conclusion == 'success'
        runs-on: ubuntu-latest
        steps:
            - name: Get Artifact and Pull request info
              env:
                  GITHUB_TOKEN: ${{ github.token }}
                  WORKFLOW_RUN_EVENT_OBJ: ${{ toJSON(github.event.workflow_run) }}
                  OWNER: ${{ github.repository_owner }}
                  REPO: ${{ github.event.repository.name }}
              run: |
                  PREVIOUS_JOB_ID=$(jq -r '.id' <<< "$WORKFLOW_RUN_EVENT_OBJ")
                  echo "Previous Job ID: $PREVIOUS_JOB_ID"
                  echo "PREVIOUS_JOB_ID=$PREVIOUS_JOB_ID" >> "$GITHUB_ENV"

                  SUITE_ID=$(jq -r '.check_suite_id' <<< "$WORKFLOW_RUN_EVENT_OBJ")
                  echo "Previous Suite ID: $SUITE_ID"
                  echo "SUITE_ID=$SUITE_ID" >> "$GITHUB_ENV"

                  ARTIFACT_ID=$(gh api "/repos/$OWNER/$REPO/actions/artifacts" \
                    --jq ".artifacts.[] |
                    select(.workflow_run.id==${PREVIOUS_JOB_ID}) |
                    select(.expired==false) |
                    .id")

                  echo "Artifact ID: $ARTIFACT_ID"
                  echo "ARTIFACT_ID=$ARTIFACT_ID" >> "$GITHUB_ENV"

                  PR_NUMBER=$(jq -r '.pull_requests[0].number' \
                    <<< "$WORKFLOW_RUN_EVENT_OBJ")

                  echo "Pull request Number: $PR_NUMBER"
                  echo "PR_NUMBER=$PR_NUMBER" >> "$GITHUB_ENV"

                  HEAD_SHA=$(jq -r '.pull_requests[0].head.sha' \
                    <<< "$WORKFLOW_RUN_EVENT_OBJ")

                  echo "Head SHA: $HEAD_SHA"
                  echo "HEAD_SHA=$HEAD_SHA" >> "$GITHUB_ENV"
            - name: Find Comment
              uses: peter-evans/find-comment@v3
              id: find-comment
              with:
                  issue-number: ${{ env.PR_NUMBER }}
                  comment-author: "github-actions[bot]"
            - name: Update Comment
              env:
                  JOB_PATH: "${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ env.PREVIOUS_JOB_ID }}"
                  ARTIFACT_URL: "${{ github.server_url }}/${{ github.repository }}/suites/${{ env.SUITE_ID }}/artifacts/${{ env.ARTIFACT_ID }}"
                  HEAD_SHA: "${{ env.HEAD_SHA }}"
              uses: peter-evans/create-or-update-comment@v4
              with:
                  issue-number: ${{ env.PR_NUMBER }}
                  comment-id: ${{ steps.find-comment.outputs.comment-id }}
                  edit-mode: replace
                  body: |-
                      ![badge]

                      Build Successful! You can find a link to the downloadable artifact below.

                      | Name     | Link                    |
                      | -------- | ----------------------- |
                      | Commit   | ${{ env.HEAD_SHA }}     |
                      | Logs     | ${{ env.JOB_PATH }}     |
                      | Download | ${{ env.ARTIFACT_URL }} |

                      [badge]: https://img.shields.io/badge/Build_Success!-0d1117?style=for-the-badge&labelColor=3fb950&logo=data:image/svg%2bxml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNCAyNCIgd2lkdGg9IjI0IiBoZWlnaHQ9IjI0IiBmaWxsPSIjZmZmZmZmIj48cGF0aCBkPSJNMjEuMDMgNS43MmEuNzUuNzUgMCAwIDEgMCAxLjA2bC0xMS41IDExLjVhLjc0Ny43NDcgMCAwIDEtMS4wNzItLjAxMmwtNS41LTUuNzVhLjc1Ljc1IDAgMSAxIDEuMDg0LTEuMDM2bDQuOTcgNS4xOTVMMTkuOTcgNS43MmEuNzUuNzUgMCAwIDEgMS4wNiAwWiI+PC9wYXRoPjwvc3ZnPg==