action.yml

name: 'Post PR artifacts'
description: 'Posts artifacts produced in a PR workflow as a comment to the PR.'

inputs:
  app-id:
    description: 'The app ID of the app.'

  private-key:
    description: 'The private key of the app.'

runs:
  using: composite
  steps:
    - uses: myparcelnl/actions/setup-app-credentials@v4
      id: credentials
      with:
        app-id: ${{ inputs.app-id }}
        private-key: ${{ inputs.private-key }}

    - name: 'Get artifact and PR info'
      id: info
      env:
        GITHUB_TOKEN: ${{ steps.credentials.outputs.token }}
        WORKFLOW_RUN_EVENT_OBJ: ${{ toJSON(github.event.workflow_run) }}
        OWNER: ${{ github.repository_owner }}
        REPO: ${{ github.event.repository.name }}
      shell: bash
      #language=bash
      run: |
        HEAD_SHA=$(jq -r '.pull_requests[0].head.sha' <<< "$WORKFLOW_RUN_EVENT_OBJ")
        PREVIOUS_JOB_ID=$(jq -r '.id' <<< "$WORKFLOW_RUN_EVENT_OBJ")
        PR_NUMBER=$(jq -r '.pull_requests[0].number' <<< "$WORKFLOW_RUN_EVENT_OBJ")
        SUITE_ID=$(jq -r '.check_suite_id' <<< "$WORKFLOW_RUN_EVENT_OBJ")
        ARTIFACT_ID=$(gh api "/repos/$OWNER/$REPO/actions/artifacts" --jq ".artifacts | map(select(.workflow_run.id == ${PREVIOUS_JOB_ID} and .expired == false)) | sort_by(.updated_at)[-1] | .id")

        echo "artifact-id=$ARTIFACT_ID"         >> $GITHUB_OUTPUT
        echo "head-sha=$HEAD_SHA"               >> $GITHUB_OUTPUT

        echo "suite-id=$SUITE_ID"               >> $GITHUB_OUTPUT
        echo "pr-number=$PR_NUMBER"             >> $GITHUB_OUTPUT
        echo "previous-job-id=$PREVIOUS_JOB_ID" >> $GITHUB_OUTPUT

        if [ -z "$ARTIFACT_ID" ]; then
          echo "::error::No artifact found for job $PREVIOUS_JOB_ID."
          exit 1
        fi

        if [ -z "$SUITE_ID" ]; then
          echo "::error::No suite found for job $PREVIOUS_JOB_ID."
          exit 1
        fi

        if [ -z "$HEAD_SHA" ]; then
          echo "::error::No head SHA found for job $PREVIOUS_JOB_ID."
          exit 1
        fi

        if [ -z "$PR_NUMBER" ]; then
          echo "::error::No PR number found for job $PREVIOUS_JOB_ID."
          exit 1
        fi

    - name: 'Create or update comment with success state'
      if: github.event.workflow_run.conclusion == 'success'
      uses: myparcelnl/actions/create-or-update-comment@v4
      env:
        JOB_PATH: ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ steps.info.outputs.previous-job-id }}
        ARTIFACT_URL: ${{ github.server_url }}/${{ github.repository }}/suites/${{ steps.info.outputs.suite-id }}/artifacts/${{ steps.info.outputs.artifact-id }}
        HEAD_SHA: ${{ steps.info.outputs.head-sha }}
      with:
        app-id: ${{ inputs.app-id }}
        private-key: ${{ inputs.private-key }}
        identifier: 'pr-post-artifacts'
        issue-number: ${{ steps.info.outputs.pr-number }}
        body: |-
          ✅ 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 }} |

    - name: 'Create or update comment with failure state'
      if: github.event.workflow_run.conclusion == 'failure'
      uses: myparcelnl/actions/create-or-update-comment@v4
      env:
        JOB_PATH: ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ steps.info.outputs.previous-job-id }}
        HEAD_SHA: ${{ steps.info.outputs.head-sha }}
      with:
        app-id: ${{ inputs.app-id }}
        private-key: ${{ inputs.private-key }}
        identifier: 'pr-post-artifacts'
        issue-number: ${{ steps.info.outputs.pr-number }}
        body: |-
          ❌ Build failed!

          You can find a link to the logs below.

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