Deploy-internal.yml

name: Deploy internal

on:
  pull_request_target:
    branches:
      - main
    paths:
      - "**/*.jmd"
      - "**/Project.toml"

permissions:
  contents: write

jobs:
  generate-job-strategy-matrix:
    runs-on: ubuntu-latest
    outputs:
      job-strategy-matrix: ${{ steps.generate.outputs.job-strategy-matrix }}
    steps:
      - name: Checkout PR code
        uses: actions/checkout@v4
        with:
          repository: ${{ github.event.pull_request.head.repo.full_name }}
          ref: ${{ github.event.pull_request.head.sha }}
          fetch-depth: 2
          persist-credentials: false

      - name: Generate MATRIX
        id: generate
        run: |
          MATRIX=$( (
            echo '{ "tutorial": ['
            git diff --name-only HEAD HEAD~1 \
              | grep -E "(jmd|Project.toml)" \
              | sed 's/Project.toml/index.jmd/g' \
              | uniq \
              | sed -r 's/(.*)/\"\1\"/g' \
              | sed '$!s/$/,/'
            echo ']}'
          ) | jq -c .)

          echo "$MATRIX"
          echo "$MATRIX" | jq .

          # new-style output
          echo "job-strategy-matrix=$MATRIX" >> "$GITHUB_OUTPUT"

  build-tutorials:
    needs: generate-job-strategy-matrix
    runs-on: ubuntu-latest
    if: ${{ needs.generate-job-strategy-matrix.outputs.job-strategy-matrix != '[]' }}
    strategy:
      matrix: ${{ fromJSON(needs.generate-job-strategy-matrix.outputs.job-strategy-matrix) }}
    steps:
      - name: Checkout PR code
        uses: actions/checkout@v4
        with:
          repository: ${{ github.event.pull_request.head.repo.full_name }}
          ref: ${{ github.event.pull_request.head.sha }}
          fetch-depth: 1
          persist-credentials: false

      - name: Install Julia
        uses: julia-actions/setup-julia@v1
        with:
          version: 1

      - name: Build tutorial
        run: |
          bash .github/workflows/build_tutorial.sh ${{ matrix.tutorial }}

      - name: Upload artifact
        uses: actions/upload-artifact@v4
        with:
          name: tutorials
          path: markdown/*

  deploy:
    needs: [generate-job-strategy-matrix, build-tutorials]
    runs-on: ubuntu-latest
    if: ${{ needs.generate-job-strategy-matrix.outputs.job-strategy-matrix != '[]' }}
    steps:
      - name: Download current gh-pages
        run: |
          wget https://github.com/JuliaSmoothOptimizers/JSOTutorials.jl/archive/refs/heads/gh-pages.zip
          unzip gh-pages.zip

      - name: Download artifact
        uses: actions/download-artifact@v4
        with:
          name: tutorials
          path: .

      - name: List files
        run: ls -R

      - name: Merge gh-pages and updates and update index.md
        run: |
          cp -rf markdown/* JSOTutorials.jl-gh-pages/
          cd JSOTutorials.jl-gh-pages

          echo "## JSOTutorials preview page

          For the complete list of tutorials, go to <https://jso.dev/tutorials/>.

          " > index.md

          for file in **/*.md; do
            NAME=$(echo "$file" | cut -d/ -f 1)
            TITLE=$(grep "title:" "$file" | cut -d\" -f2)
            echo "- [$TITLE]($NAME/)"
          done >> index.md

      - name: Deploy to gh-pages
        uses: peaceiris/actions-gh-pages@v3
        with:
          github_token: ${{ secrets.GITHUB_TOKEN }}
          publish_dir: ./JSOTutorials.jl-gh-pages
          enable_jekyll: true

  pr_comment:
    needs: [generate-job-strategy-matrix, build-tutorials, deploy]
    runs-on: ubuntu-latest
    if: ${{ needs.generate-job-strategy-matrix.outputs.job-strategy-matrix != '[]' }}
    steps:
      - name: Comment PR
        uses: actions/github-script@0.3.0
        if: github.event_name == 'pull_request_target'
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            const { issue: { number: issue_number }, repo: { owner, repo } } = context;
            github.issues.createComment({
              issue_number,
              owner,
              repo,
              body: 'Once the build has completed, you can preview your PR at this URL: https://jso.dev/JSOTutorials.jl/'
            });