add automatic pdf generation

.github/workflows/deploy-to-github-pages.yml.yml

@@ -27,7 +27,7 @@ env:
 
 # A workflow run is made up of one or more jobs that can run sequentially or in parallel
 jobs:
- deploy:
+  deploy:
     environment:
       name: github-pages
       url: ${{ steps.deployment.outputs.page_url }}
@@ -51,3 +51,36 @@ jobs:
       - name: Deploy to GitHub Pages
         id: deployment
         uses: actions/deploy-pages@v4
+
+  # Add a new job to build the PDF
+  generate_pdf:
+    runs-on: ubuntu-latest
+    needs: deploy  # Ensures this job runs after 'deploy'
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install Prince
+        run: |
+          curl https://www.princexml.com/download/prince-14.2-linux-generic-x86_64.tar.gz -O
+          tar zxf prince-14.2-linux-generic-x86_64.tar.gz
+          cd prince-14.2-linux-generic-x86_64
+          yes "" | sudo ./install.sh
+
+      - name: Install Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 18
+          cache: npm
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Build PDF
+        run: npx docusaurus-prince-pdf -u https://agrdatasci.github.io/documentation/
+
+      - name: Upload PDF artifact
+        uses: actions/upload-artifact@v3
+        with:
+          name: documentation-pdf
+          path: pdf/tricot-documentation-book.pdf
+          if-no-files-found: error