RenderAllDiagrams.yml

name: Render All Diagrams

on:
  push:
    paths:
    - '**/Material/images/src/**/*.puml'
    - '**/Material/images/src/**/*.drawio'
    - '**/Material/images/src/**/*.bpmn'
    branches-ignore:
    - 'main**'
  
  # Allows you to run this workflow manually from the Actions tab
  workflow_dispatch:

jobs:
  build:
    runs-on: ubuntu-latest

    steps:
      
      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
      - name: Checkout repository
        uses: actions/checkout@v4

      # Installs Java distribution for running the plantUML jar
      - name: Install Java
        uses: actions/setup-java@v4
        with:
          distribution: 'temurin'
          java-version: '21'
          check-latest: true
      
      # Install graphviz for plantuml     
      - name: Setup Graphviz
        uses: ts-graphviz/setup-graphviz@v2
      
      # Download plantUML jar 
      - name: Download plantuml file
        run: |
          wget -O plantuml.jar "https://github.com/plantuml/plantuml/releases/latest/download/plantuml.jar" 
                                
       # Ensure Folder exsists, otherwise, create it
      - name: Ensure and clean folder
        run: |
          img_dir=Material/images/diagrams
          mkdir -p $img_dir
      # do not clean
      # rm -rf Material/images/diagrams/*.svg

      # Generate the SVGs from PUML
      - name: Render PUML to SVG files
        run: |
          FileNamePaths=$(find . -path "*/images/src/*/*.puml" -exec dirname {} \; | sort -u)
          for dir in $FileNamePaths
          do
            # Render SVGs from PUMLs
            find $dir -name "*.puml" -exec java -jar plantuml.jar -tsvg {} \;
          done
      
      # Remove plantUML jar 
      - name: remove plantuml file
        run: |
          rm -f plantuml.jar

      # Generate the SVGs from DrawIO
      - name: Render DrawIO to SVG with predefined action
        uses: rlespinasse/drawio-export-action@v2
        with:
          path: ./Material/images/src/drawio/ 
          remove-page-suffix: true
          output: .
          format: svg
          action-mode: all

      # Install note.js and bpmn-to-image
      - name: Install Notejs and pbmn-to-image
        uses: actions/setup-node@v4
        with:
          node-version: 18
      - run: npm install -g bpmn-to-image
        
      # Generate the SVGs from BPMN
      - name: Render BPMN to SVG files
        run: |
          FileNamePaths=$(find . -path "*/images/src/*/*.bpmn" -exec dirname {} \; | sort -u)
          for dir in $FileNamePaths
          do
            # Render SVGs from BPMN
            echo $dir
            FileBaseNames=$(find $dir -name "*.bpmn" -exec basename "{}" ".bpmn" \; | sort -u)
            #FileBaseNames=$(find $dir -name "*.bpmn" | xargs -L1 -I{} basename "{}")
            
            for base in $FileBaseNames
            do
              echo $base
              bpmn-to-image "$dir/$base.bpmn":"$dir/$base.svg";
            done
            
          done  

      # copies the created SVG files to the images/diagrams folder and deletes the drawio files
      # mv for copy and delete, here
      - name: Move SVGs to target image folder
        run: |
          img_dir=Material/images/diagrams
          # Find all unique directories containing *.SVGs files under any /imgsrc/ folder
          FileNamePaths=$(find . -path "*/images/src/*/*.svg" -exec dirname {} \; | sort -u)
          for dir in $FileNamePaths
          do
            # Move SVGs to out directory
            # find $dir -name "*.svg" -exec rm -rf {} $img_dir \;
            find $dir -name "*.svg" -exec mv -f {} $img_dir \;
          done
      
      ## add and commit the new generated files
      #- name: Create Pull Request
      #  uses: peter-evans/create-pull-request@v5
      #  with:
      #    branch: auto/images-generation
      #    commit-message: Generated Images from source Code by GitHub Action
      #    title: Generated Images from GitHub Action
      #    assignees: ${{ github.actor }}
      #    reviewers: ${{ github.actor }}
      #    delete-branch: true
      #    labels: automated pr

      - name: Commit rendered files
        uses: stefanzweifel/git-auto-commit-action@v5
        with:
          commit_user_name: GitHub Actions Bot
          commit_user_email: ActionBot@github.com
          commit_message: auto-generated diagrams by GitHub Action after source code change

      - name: "Run if no changes have been detected"
        if: steps.auto-commit-action.outputs.changes_detected == 'false'
        run: echo "No Changes!"