build-blog.yml

---
name: "Build the blog"

on: # yamllint disable-line rule:truthy
  # feature branches
  pull_request:
  # releases
  push:
    branches:
      - main
  # nightly build to automatically activate new blog posts. Slightly after midnight CET/CEST as it is UTC here.
  schedule:
    - cron: "22 2 * * *"

jobs:
  build-the-blog:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - uses: ruby/setup-ruby@v1
        with:
          bundler-cache: true

      - uses: actions/cache@v4
        with:
          path: node_modules
          key: ${{ runner.os }}-npm-${{ hashFiles('package.json') }}
          restore-keys: |
            ${{ runner.os }}-npm-

      - name: Build blog
        run: |
          cd src/

          # remove the CDN dependency
          LAYOUT_DIR=$(bundle show minimal-mistakes)

          cp "$LAYOUT_DIR/_includes/head.html" "$LAYOUT_DIR/_includes/head.html.old"
          sed '/fontawesome/d' "$LAYOUT_DIR/_includes/head.html.old" > "$LAYOUT_DIR/_includes/head.html"

          JEKYLL_ENV=production bundle exec jekyll build

      - uses: actions/setup-node@v4
        with:
          node-version: 19.x

      - name: Install Fontawesome and comment system dependencies
        run: |
          npm install

          mkdir -p target/assets/fontawesome/css
          cp node_modules/@fortawesome/fontawesome-free/css/all.min.css target/assets/fontawesome/css/
          cp -pr node_modules/@fortawesome/fontawesome-free/webfonts target/assets/fontawesome/

          mkdir -p target/assets/js
          cp node_modules/dayjs/plugin/relativeTime.js target/assets/js/
          cp node_modules/dompurify/dist/purify.min.js target/assets/js/
          cp node_modules/marked/marked.min.js target/assets/js/
          cp node_modules/dayjs/dayjs.min.js target/assets/js/

      - id: get-changed-files
        if: github.event_name != 'schedule'
        uses: jitterbit/get-changed-files@v1
        with:
          format: json

      - name: Create Github issue for new posts
        if: github.ref != 'refs/heads/main' && github.event_name != 'schedule'
        run: |
          echo "Changed files: ${{ steps.get-changed-files.outputs.added }}"
          new_post=$(echo '${{ steps.get-changed-files.outputs.added }}' | jq -r .[] | grep src/_posts || true)

          if [ -n "$new_post" ]; then
            echo "New post found: $new_post"

            title=$(sed -n -e 's/^.*title: //p' "$new_post" | tr -d '"')
            issue_id=$(sed -n -e 's/^.*comments_id: //p' "$new_post" | grep -Eo '[0-9]+' || true)

            echo "Title: $title"
            echo "Issue ID: $issue_id"

            if [ -z "$issue_id" ]; then
              issue_response=$(curl -X "POST" "https://api.github.com/repos/kayman-mk/blog-tech-at-work/issues" \
                -H "Accept: application/vnd.github+json" \
                -H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}" \
                -H "Content-Type: text/plain; charset=utf-8" \
                  -d "{
                  \"title\": \"$title\",
                  \"body\": \"The comments added to this issue are shown in the blog automatically.\",
                  \"labels\": [
                    \"blog-comment\",
                    \"not-published\"
                  ]
                }")

              issue_id=$(echo "$issue_response" | jq -r .number)
              echo "Created GitHub issue: $issue_id"

              sed -i "2i comments_id: $issue_id" "$new_post"
            fi
          fi

      - id: commit-changes
        uses: stefanzweifel/git-auto-commit-action@v5
        if: github.ref != 'refs/heads/main' && github.event_name != 'schedule'
        with:
          commit_message: "Add comments_id to new post"
          file_pattern: src/_posts

      - name: Activate GitHub issue for comments
        if: github.ref == 'refs/heads/main' && github.event_name != 'schedule'
        run: |
          echo "Changed files: ${{ steps.get-changed-files.outputs.added }}"
          new_post=$(echo '${{ steps.get-changed-files.outputs.added }}' | jq -r .[] | grep src/_posts || true)

          if [ -n "$new_post" ]; then
            echo "New post found: $new_post"

            issue_id=$(sed -n -e 's/^.*comments_id: //p' "$new_post" | grep -Eo '[0-9]+')

            curl -X "PATCH" "https://api.github.com/repos/kayman-mk/blog-tech-at-work/issues/$issue_id" \
              -H "Accept: application/vnd.github+json" \
              -H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}" \
              -H "Content-Type: text/plain; charset=utf-8" \
                -d "{
                  \"state\": \"closed\",
                  \"labels\": [
                  \"blog-comment\"
                ]
              }"
          fi

      - name: Replace secrets
        if: github.ref == 'refs/heads/main'
        run: |
          find . -type f -print0 | \
          xargs -0 sed -i "s/__GH_API_TOKEN_COMMENT_SYSTEM__REPLACE_ME__/${{ secrets.GH_API_TOKEN_COMMENT_SYSTEM }}/g"

      - name: Deploy
        if: github.ref == 'refs/heads/main'
        uses: SamKirkland/FTP-Deploy-Action@v4.3.5
        with:
          server: af93d.netcup.net
          username: ${{ secrets.FTP_USERNAME }}
          password: ${{ secrets.FTP_PASSWORD }}
          protocol: ftps
          security: strict
          local-dir: target/
          server-dir: blog.matthiaskay.de/