gradle.yml

name: Java CI with Gradle

on:
  schedule:
    - cron: '0 */6 * * *'

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Get last successful run time
        id: last_run
        uses: actions/github-script@v7
        with:
          script: |
            const runs = await github.rest.actions.listWorkflowRuns({
              owner: context.repo.owner,
              repo: context.repo.repo,
              workflow_id: 'gradle.yml',
              branch: context.ref.replace('refs/heads/', ''),
              status: 'success',
              per_page: 1
            });
            if (runs.data.workflow_runs.length > 0) {
              const lastRunTime = runs.data.workflow_runs[0].updated_at;
              core.setOutput('lastRunTime', lastRunTime);
            } else {
              core.setOutput('lastRunTime', '1970-01-01T00:00:00Z');
            }

      - name: Checkout code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Check for new commits since last successful run
        id: check_commits
        run: |
          git fetch origin
          COMMITS=$(git rev-list --since="${{ steps.last_run.outputs.lastRunTime }}" HEAD)
          if [ -z "$COMMITS" ]; then
            echo "No new commits found."
            echo "new_commits=false" >> $GITHUB_OUTPUT
          else
            echo "New commits found."
            echo "new_commits=true" >> $GITHUB_OUTPUT
          fi

      - name: Exit if no new commits
        if: steps.check_commits.outputs.new_commits == 'false'
        run: exit 0

      - name: Set up JDK 21
        uses: actions/setup-java@v4
        with:
          distribution: temurin
          java-version: 21

      - name: Grant execute permission for gradlew
        run: chmod +x gradlew

      - name: Build with Gradle
        run: ./gradlew build

      - name: Upload Artifacts
        uses: actions/upload-artifact@v4
        with:
          name: artifacts
          path: ./build/libs/

      - name: Release Build
        uses: softprops/action-gh-release@v2
        if: startsWith(github.ref, 'refs/tags/')
        with:
          body_path: CHANGELOG.md
          files: "./build/libs/**"

      - name: Build Success
        uses: rjstone/discord-webhook-notify@v1
        if: success()
        with:
          severity: info
          details: Build Succeeded!
          webhookUrl: ${{ secrets.DISCORD_WEBHOOK }}

      - name: Build Failure
        uses: rjstone/discord-webhook-notify@v1
        if: failure()
        with:
          severity: error
          details: Build Failed!
          webhookUrl: ${{ secrets.DISCORD_WEBHOOK }}

      - name: Build Cancelled
        uses: rjstone/discord-webhook-notify@v1
        if: cancelled()
        with:
          severity: warn
          details: Build Cancelled!
          webhookUrl: ${{ secrets.DISCORD_WEBHOOK }}

  checkstyle:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Set up JDK 21
        uses: actions/setup-java@v4
        with:
          distribution: temurin
          java-version: 21

      - name: Grant execute permission for gradlew
        run: chmod +x gradlew

      - name: Checkstyle with Gradle
        run: ./gradlew checkstyleMain

      - name: Checkstyle Failure
        uses: rjstone/discord-webhook-notify@v1
        if: failure()
        with:
          severity: error
          color: '#ff5500'
          details: Checkstyle Failed!
          webhookUrl: ${{ secrets.DISCORD_WEBHOOK }}