website.yml

name: Website
on:
  push:
    branches:
      - "main"
  pull_request: null
jobs:
  build-website:
    runs-on: ubuntu-latest
    env:
      RSPM: "https://packagemanager.rstudio.com/cran/__linux__/focal/latest"
      GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
    steps:
      - name: Checkout the lesson
        uses: actions/checkout@v2

      - name: Install sys deps
        run: |
          sudo apt-get update
          sudo apt-get install -y libcurl4-openssl-dev

      - name: Setup Git
        if: ${{ !env.ACT }}
        run: |
          git config --local user.email "actions@github.com"
          git config --local user.name "GitHub Actions"

      - name: Set up Python
        uses: actions/setup-python@v2
        with:
          python-version: '3.x'

      - name: Install Python modules
        run: |
          python3 -m pip install --upgrade pip setuptools wheel pyyaml==5.3.1 requests
          python3 -m pip install -r requirements.txt

      - name: Get the submodules using python
        run: |
          python bin/get_submodules.py

      - name: Check for Rmd
        id: check_files
        uses: andstor/file-existence-action@v1
        with:
          files: "_episodes_rmd"

      - name: Setup Pandoc
        if: steps.check_files.outputs.files_exists == 'true'
        uses: r-lib/actions/setup-pandoc@v1

      - name: Setup R
        if: steps.check_files.outputs.files_exists == 'true'
        uses: r-lib/actions/setup-r@v2
        with:
          r-version: 'release'

      - name: Setup Renv
        if: steps.check_files.outputs.files_exists == 'true'
        uses: r-lib/actions/setup-renv@v2

      # This task:
      # 1: Finds the file paths for all RMarkdown scripts
      # 2: Runs the RScript command to knit each R script, specifying the md collection as the destination
      #   - See r-novice_setup.R in each R directory to see the custom modifications we make to the knitting process
      # 3: Use a perl regex to reformat SWC commands, the knit process misplaces them
      # 4: Use a perl regex to find specific challenge tags
      # 5: Add the episodes in the markdown folder
      # 6: Commit the changes to be added to the GH pages episode later
      - name: Render R markdown
        if: steps.check_files.outputs.files_exists == 'true'
        run: |
          RMD_PATH=$(find ./_episodes_rmd -name '*.Rmd')
          Rscript -e 'for (f in commandArgs(TRUE)) if (file.exists(f)) rmarkdown::render(f, knit_root_dir=getwd(), output_dir=dirname(sub("./_episodes_rmd/", "./_episodes/", f)))' ${RMD_PATH[*]}
          perl -pi -e "s/([>\s]*)(>\s)(.*?)(\{: \.[a-zA-Z]+\})/\1\2\3\n\1\4\n\1/g" ./collections/_episodes/r-novice-lesson/*.md
          perl -0777pi -e "s/(?<!\n){: .challenge}/\n{: .challenge}/g" ./collections/_episodes/r-novice-lesson/*.md
          cp ./_episodes_rmd/**/fig/*.png ./fig/
          git add ./_episodes/**/*.md ./fig/*.png
          git commit ./_episodes/**/*.md ./fig/*.png -m 'Re-build Rmarkdown files' || echo "No changes to commit"

      - name: Run python build scripts
        run: |
          python bin/make_favicons.py
          python bin/get_schedules.py
          python bin/get_setup.py

      - name: Deploy the website to gh-pages
        uses: JamesIves/github-pages-deploy-action@4.1.7
        with:
          branch: gh-pages
          folder: "."
          token: ${{ secrets.GITHUB_TOKEN }}