build-site.yaml

on:
  workflow_dispatch:
  pull_request:
    branches:
      - main
  push:
    branches:
      - main

name: Update website

jobs:
  checks:
    name: Set-up build params
    runs-on: ubuntu-latest
    outputs:
      POST:      ${{ steps.check-post.outputs.POST }}
      POST_DATE: ${{ steps.check-date.outputs.POST_DATE }}
      ANNOUNCE:  ${{ steps.check-date.outputs.ANNOUNCE }}
      DOI:       ${{ steps.check-doi.outputs.DOI }}
    env:
      GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
    steps:
      - name: Checkout repo
        uses: actions/checkout@v4

      - name: 📝 Get latest blog post 📝
        id: check-post
        env:
          BLOG_PATH: "content/blog"
        run: |
          # Find the latest blog post
          latest_post=$(find "${BLOG_PATH}" | grep /index.md$ | grep -v "XX-XX" | sort | tail -n1)
          echo "POST=${latest_post}" >> $GITHUB_OUTPUT

      - name: Check post date
        id: check-date
        run: |
          post_date=$(grep "^date:" "${{ steps.check-post.outputs.POST }}" | sed 's/^date: //' | sed 's/["'\'']//g')
          echo "POST_DATE=${post_date}" >> $GITHUB_OUTPUT

          one_day_ago=$(date -d "-1 days" +%Y%m%d)
          post_date=$(date -d "${post_date}" +%Y%m%d)
          echo "ANNOUNCE=false" >> $GITHUB_OUTPUT
          if [ "${post_date}" -gt "${one_day_ago}" ]; then
            echo "ANNOUNCE=true" >> $GITHUB_OUTPUT
          fi

      - name: Check if needs DOI
        id: check-doi
        run: |
          # Does the post need a DOI?
          echo "DOI=true" >> $GITHUB_OUTPUT
          if head -n 10 "${{ steps.check-post.outputs.POST }}" | grep -q "doi:"; then
            echo "DOI=false" >> $GITHUB_OUTPUT
          fi

  check-output:
    name: check github output
    runs-on: ubuntu-latest
    needs: checks
    steps:
      - name: Debug Outputs
        run: |
          echo "ANNOUNCE: ${{ needs.checks.outputs.ANNOUNCE }}"
          echo "DOI: ${{ needs.checks.outputs.DOI }}"
          echo "POST: ${{ needs.checks.outputs.POST }}"
          echo "POST_DATE: ${{ needs.checks.outputs.POST_DATE }}"

  build:
    name: Build site
    runs-on: ubuntu-latest
    needs: checks
    env:
      GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
      RENV_PROFILE: zenodo
      RUN_DOI: ${{ github.ref == 'refs/heads/main' && needs.checks.outputs.DOI == 'true' }}
    steps:
      - name: Checkout repo
        uses: actions/checkout@v4
        with:
          submodules: true

      - name: Setup variables
        id: version
        run: |
          ver=$(cat .Rprofile | grep hugo.version | cut -d'"' -f2 )
          echo "hugo_v=${ver}" >> $GITHUB_ENV
          nalias=$(echo ${{ github.head_ref }} | sed 's/_/-/g')
          echo "nalias=${nalias}" >> $GITHUB_ENV
          echo ${{ env.RUN_DOI }}

      - name: Install cURL Headers
        run: |
          sudo apt-get update
          sudo apt-get install libcurl4-openssl-dev
  
      - name: Install pdf svg handler
        if: ${{ env.RUN_DOI == 'true' }}
        run: sudo apt-get install librsvg2-dev

      - name: Setup R
        if: ${{ env.RUN_DOI == 'true' }}
        uses: r-lib/actions/setup-r@v2
        with:
          r-version: 'renv'

      - name: Setup renv
        if: ${{ env.RUN_DOI == 'true' }}
        uses: r-lib/actions/setup-renv@v2

      - name: Setuo Quarto
        if: ${{ env.RUN_DOI == 'true' }}
        uses: quarto-dev/quarto-actions/setup@v2

      - name: Setup Tinytex
        if: ${{ env.RUN_DOI == 'true' }}
        uses: r-lib/actions/setup-tinytex@v2

      - name: Add doi
        if: ${{ env.RUN_DOI == 'true' }}
        env:
          ZENODO_API_TOKEN: ${{ secrets.ZENODO_API_TOKEN }}
        run: |
          Rscript -e 'renv::restore()'
          Rscript .github/scripts/add_doi.R

      - name: Setup Hugo
        uses: peaceiris/actions-hugo@v2
        with:
          hugo-version: ${{ env.hugo_v }}
          extended: true

      - name: Build
        run: |
          if [[ '${{github.ref}}' == 'refs/heads/main' ]]; then
            hugo -e production
          else
            hugo \
              --buildDrafts \
              --buildFuture \
              -b https://${{ env.nalias }}--drmowinckels.netlify.app/
          fi

      - name: Deploy production 🚀
        if: github.ref == 'refs/heads/main'
        uses: JamesIves/github-pages-deploy-action@v4
        with:
          branch: gh-pages
          folder: public

      - name: Deploy to Netlify
        id: netlify
        if: github.event_name == 'pull_request'
        env:
          NETLIFY_AUTH_TOKEN: ${{ secrets.NETLIFY_AUTH_TOKEN }}
          NETLIFY_SITE_ID: ${{ secrets.NETLIFY_SITE_ID }}
        run: |
            npm install netlify-cli -g
            netlify deploy --alias ${{ env.nalias  }}
        shell: sh

      - uses: actions/github-script@v7
        if: steps.netlify.outcome == 'success'
        name: "Notify about build preview"
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            await github.rest.issues.createComment({
              issue_number: ${{ github.event.pull_request.number }},
              owner: 'drmowinckels',
              repo: 'drmowinckels.github.io',
              body: ':tada: The preview is built! [Check it out :eyes:](https://${{ env.nalias }}--drmowinckels.netlify.app/)'
            })

      - name: Commit content with doi
        if: github.ref == 'refs/heads/main'
        run: |
          git commit content/blog -m 'Add doi' || echo "No changes to commit"
          git push origin || echo "No changes to commit"

  announce:
    name: Announce new blog post
    runs-on: ubuntu-latest
    needs: [build, checks]
    if: needs.checks.outputs.ANNOUNCE == 'true' && github.ref == 'refs/heads/main'
    env:
      GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
      RENV_PROFILE: social_media
    steps:
      - uses: actions/checkout@v4

      - name: Install cURL Headers
        run: |
          sudo apt-get update
          sudo apt-get install libcurl4-openssl-dev
          
      - name: Setup R
        uses: r-lib/actions/setup-r@v2
        with:
          r-version: 'renv'

      - name: Setup renv
        uses: r-lib/actions/setup-renv@v2

      - name: Announce the post
        env:
          BLUESKY_APP_PASS: ${{ secrets.BLUESKY_PWD }}
          BLUESKY_APP_USER: "drmowinckels.io"
        run: |
          echo RTOOT_DEFAULT_TOKEN="${{ secrets.RTOOT_TOKEN }}" >> .Renviron
          echo KIT_SECRET="${{ secrets.KIT_KEY }}" >> .Renviron
          Rscript .github/scripts/announce.R ${{ needs.checks.outputs.POST }}