build.yml

name: Build OpenEMS
on:
  pull_request:
    types: [opened, synchronize, reopened]
  
jobs:
  build-java:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3

      - name: Setup Java 17
        uses: actions/setup-java@v3
        with:
          distribution: 'temurin'
          java-version: '17'
          cache: gradle

      - uses: kiancross/checkstyle-annotations-action@v1

      - name: Build all Java packages
        run: ./gradlew build

      - name: Resolve OpenEMS bundles
        run: ./gradlew resolve

      - name: Validate BackendApp.bndrun
        run: git diff --exit-code io.openems.backend.application/BackendApp.bndrun

      - name: Validate EdgeApp.bndrun
        run: git diff --exit-code io.openems.edge.application/EdgeApp.bndrun

      #
      # Generate Code-coverage-report
      #
      - name: Generate JaCoCo Code-coverage-report
        run: ./gradlew jacocoTestReport
        
      - name: Summarize JaCoCo Report
        id: jacoco
        uses: cicirello/jacoco-badge-generator@v2
        with:
          jacoco-csv-file: 'io.openems.*/generated/reports/jacoco/**/*.csv'
          generate-coverage-badge: false

      - name: Create JaCoCo Badge
        env:
          PR_NUMBER: ${{ github.event.number }}
        run: |
          coverage=$(echo "scale=2; ${{ steps.jacoco.outputs.coverage }} * 100" | bc | cut -c1-4);

          color=red;
          if (( $(echo "$coverage > 90" | bc -l) )); then
            color=success;
          elif (( $(echo "$coverage > 80" | bc -l) )); then
            color=green;
          elif (( $(echo "$coverage > 60" | bc -l) )); then
            color=yellow;
          fi;

          mkdir -p ./jacoco
          echo $PR_NUMBER > ./jacoco/jacoco_report_number
          echo '![Code Coverage]'"(https://img.shields.io/badge/Code%20Coverage-${coverage}%25-${color}?style=flat)" > ./jacoco/jacoco_report_badge
      - uses: actions/upload-artifact@v3
        with:
          name: jacoco_report
          path: jacoco/

      #
      # Is this a Tag? Prepare release assets
      #
      - name: Prepare Edge+Backend assets
        if: startsWith(github.ref, 'refs/tags/')
        run: ./gradlew buildEdge buildBackend

      - name: Save build-artifacts
        if: startsWith(github.ref, 'refs/tags/')
        uses: actions/upload-artifact@v3
        with:
          name: build-artifacts
          path: |
            build/openems-edge.jar
            build/openems-backend.jar

  build-ui:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3

      - name: Setup Node.js
        uses: actions/setup-node@v3
        with:
          node-version: '16'

      - name: Setup Cache for Node.js
        uses: actions/cache@v3
        with:
          path: |
            ~/.npm
            ~/.ng
          key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }}
          restore-keys: ${{ runner.os }}-node-

      - name: Build OpenEMS UI
        run: |
          cd ui
          npm install 
          npm ci --prefer-offline --cache ~/.npm
          node_modules/.bin/ng config cli.cache.path "~/.ng"
          node_modules/.bin/ng build -c "openems,openems-edge-prod,prod"
          node_modules/.bin/ng lint
          export CHROME_BIN=/usr/bin/google-chrome-stable
          npm run test -- --no-watch --no-progress --browsers=ChromeHeadlessCI

      #
      # Is this a Tag? Prepare release assets
      #
      - name: Prepare UI asset
        if: startsWith(github.ref, 'refs/tags/')
        run: |
          mkdir build
          cd ui/target
          zip -r ../../build/openems-ui.zip ./*

      - name: Save build-artifacts
        if: startsWith(github.ref, 'refs/tags/')
        uses: actions/upload-artifact@v3
        with:
          name: build-artifacts
          path: build/openems-ui.zip

  #
  # Is this a Tag? Create a draft release
  #
  release:
    runs-on: ubuntu-latest
    needs: [build-java, build-ui]
    if: startsWith(github.ref, 'refs/tags/')
    steps:
      - name: Load build-artifacts
        uses: actions/download-artifact@v3
        with:
          name: build-artifacts
          path: build

      - name: Create draft Release
        uses: softprops/action-gh-release@v1
        with:
          draft: true
          files: |
            build/openems-edge.jar
            build/openems-backend.jar
            build/openems-ui.zip