comment-on-pr.yaml

name: Comment on pr
on:
  workflow_run:
    workflows: ["Check config and readme updates"]
    types:
      - completed
jobs:  
  download-artifact-data:
    if: ${{ github.event.workflow_run.conclusion == 'failure' }}
    runs-on: ubuntu-latest
    outputs:
      pr_number: ${{ steps.artifact-data.outputs.pr_number }}
    steps:
      - name: Download artifact
        id: artifact-download
        uses: actions/github-script@v7
        with:
          script: |
            let allArtifacts = await github.rest.actions.listWorkflowRunArtifacts({
               owner: context.repo.owner,
               repo: context.repo.repo,
               run_id: context.payload.workflow_run.id,
            });
            
            let matchArtifact = allArtifacts.data.artifacts.filter((artifact) => {
              return artifact.name == "pr_number"
            })[0];

            let download = await github.rest.actions.downloadArtifact({
               owner: context.repo.owner,
               repo: context.repo.repo,
               artifact_id: matchArtifact.id,
               archive_format: 'zip',
            });
            let fs = require('fs');
            fs.writeFileSync(`${process.env.GITHUB_WORKSPACE}/pr_number.zip`, Buffer.from(download.data));
      - name: Unzip artifact
        run: unzip pr_number.zip
      - name: Extract data
        id: artifact-data
        run: |
          echo "pr_number=$(head -n 1 pr_number.txt)" >> $GITHUB_OUTPUT
  comment-on-pr:
    needs:
      - download-artifact-data
    runs-on: ubuntu-latest
    permissions: 
      pull-requests: write 
    steps:
      - name: Report issue in PR
        uses: thollander/actions-comment-pull-request@v3.0.1
        with:
          message: |
              ## This PR can't be merged just yet 😢

                Please run `make generate manifests api-docs` and commit the changes.

                For more info: ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.event.workflow_run.id }}
          pr-number: ${{ needs.download-artifact-data.outputs.pr_number }}