generate_push.yml

name: Generate Song Artifact on Push
run-name: Generating song
on:
  pull_request:
    paths:
      - '**.xml'
permissions: read-all
jobs:
  Generate-artifacts:
    runs-on: ubuntu-latest
    steps:
      - run: echo "release_name=$(date +'%Y-%m-%dT%H_%M_%S')" >> $GITHUB_ENV
      - run: echo "Generating a songbook PDF triggered by ${{ github.event_name }} release:${{ env.release_name }}"
      - run: |
          echo "DUMP: ${{ github }}"
      - name: Check out repository code
        uses: actions/checkout@v3
      - uses: actions/setup-python@v4
        with:
          python-version: '3.9'
          cache: 'pip' # caching pip dependencies
      - run: sudo apt-get install python3-lxml
      - run: pip3 install -r ${{ github.workspace }}/requirements.txt
      - run: pip install lxml

      - name: Get changed files
        id: changed-xml-files
        uses: tj-actions/changed-files@v35.1.1
        with:
          fetch_depth: 500
          files: |
            songs/*.xml

      - name: List all changed files
        run: |
          for file in "${{ steps.changed-xml-files.outputs.all_changed_files }}"; do
            echo "$file was changed"
          done

      - if: steps.changed-xml-files.outputs.any_changed == 'true'
        run: sudo apt-get install texlive texlive-latex-extra texlive-lang-polish

      - name: Generate PDFs
        if: steps.changed-xml-files.outputs.any_changed == 'true'
        run: |
          chmod 755 ./render_pdf.sh
          cd  ${{ github.workspace }} && ./render_pdf.sh single a4 "$(date +'%Y-%m-%d')" ${{ steps.changed-xml-files.outputs.all_changed_files }}
          mv '${{ github.workspace }}/build/songs_tex/output.pdf' '${{ github.workspace }}/build/songs_tex/a4.pdf'
          cd  ${{ github.workspace }} && ./render_pdf.sh single a5 "$(date +'%Y-%m-%d')" ${{ steps.changed-xml-files.outputs.all_changed_files }}
          mv '${{ github.workspace }}/build/songs_tex/output.pdf' '${{ github.workspace }}/build/songs_tex/a5.pdf'

      - name: Save artifact
        if: steps.changed-xml-files.outputs.any_changed == 'true'
        uses: actions/upload-artifact@v3
        with:
          name: songbooks
          path: ${{ github.workspace }}/build/songs_tex/*.pdf

      - name: Upload artifacts
        if: steps.changed-xml-files.outputs.any_changed == 'true'
        run: |
          for format in "a4" "a5"; do
            FILENAME=$(echo "${{github.repository}}/${{github.sha}}_${format}.pdf" | sed 's|/|%2F|g' )
            LINK="https://firebasestorage.googleapis.com/v0/b/wdw-21.appspot.com/o/${FILENAME}"
            echo "link_${format}=${LINK}" >> $GITHUB_ENV
            curl -v --data-binary  "@${{ github.workspace }}/build/songs_tex/${format}.pdf" "${LINK}" -H 'Content-Type: application/pdf'
          done

      - name: Comment PR proxy
        uses: mshick/add-pr-comment@v2
        with:
          message: |
            New PDFs [A4](${{ env.link_a4 }}?alt=media), [A5](${{ env.link_a5 }}?alt=media) is ready, my lord (available for ~14 days).
            
            Cieplutkie PDFy [A4](${{ env.link_a4 }}?alt=media), [A5](${{ env.link_a5 }}?alt=media) podano.
          proxy-url: https://editor-github-pr-proxy-2tnk3uvmqq-ey.a.run.app
      - run: echo "DONE"