deploy_book-template.yml

on:
  push:
     branches:
       - main
     paths:
       - book-template/**
       - .github/workflows/deploy_book-template.yml

name: render-book-template

jobs:
  render-book-template:
    name: Render and upload the book template for the workshops
    runs-on: ubuntu-latest
    defaults:
      run:
        working-directory: book-template
        
    steps:
      - name: Checkout repository
        uses: actions/checkout@v3

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

      - name: Cache R packages
        uses: actions/cache@v3
        with:
          path: ${{ env.R_LIBS_USER }}
          key:  r-${{ hashFiles('DESCRIPTION') }}

      - name: Install pandoc and pandoc citeproc
        uses: r-lib/actions/setup-pandoc@v2
        
      - name: Install R packages and dependencies
        run: |
          Rscript -e 'options(Ncpus = 4); pkgs = c("rmarkdown", "bookdown", "formatR", "palmerpenguins"); 
          if(length(new.pkgs <- setdiff(pkgs, rownames(installed.packages())))) install.packages(new.pkgs)'
   
      - name: Render the book using bookdown
        run: Rscript -e 'bookdown::render_book("index.Rmd")'
        
      - name: Upload artifact
        uses: actions/upload-artifact@v3
        with:
          name: book-template
          path: book-template/
  
# Need to first create an empty gh-pages branch
# see https://pkgdown.r-lib.org/reference/deploy_site_github.html
# and also add secrets for a GH_PAT and EMAIL to the repository
# gh-action from Cecilapp/GitHub-Pages-deploy

  checkout-and-deploy-book-template:
   name: Checkout and deploy the book within the gh-pages repository
   runs-on: ubuntu-latest
   needs: render-book-template
   
   steps:
      - name: Checkout 🛎️
        uses: actions/checkout@v3
        with:
          persist-credentials: false
          
      - name: Download Artifact
        uses: actions/download-artifact@v3
        with:
         # Artifact name
         name: book-template # optional
         # Destination path
         path: book-template/ # optional

      - name: Deploy to GitHub Pages
        uses: JamesIves/github-pages-deploy-action@v4
        with:
          token: ${{ secrets.ACCESS_TOKEN }}
          branch: gh-pages # The branch the action should deploy to.
          folder: book-template/_book/
          target-folder: book-template # The folder the action should deploy
          clean: true


# Dispatch a ping to the workshops repositories that will be received by a workflow, which in turn, will trigger the other workflows
# Transform into a matrix to add all workshops

  dispatch-to-workshops:
    name: Dispatch changes to workshop repositories
    runs-on: ubuntu-latest
    needs: checkout-and-deploy-book-template
    strategy:
      matrix:
        workshop: [workshop01, workshop02, workshop03, workshop04, workshop05, workshop06, workshop07, workshop08, workshop09, workshop10]
    steps:
      - name: PING BOOK - Dispatch initiating repository event to the workshop receiving workflow
        run: |
          curl -X POST https://api.github.com/repos/QCBSRworkshops/${{ matrix.workshop }}/dispatches \
          -H 'Accept: application/vnd.github.everest-preview+json' \
          -u ${{ secrets.ACCESS_TOKEN }} \
          --data '{"event_type": "ping_book", "client_payload": { "repository": "'"$GITHUB_REPOSITORY"'" }}'