build_and_test_javalin.yml

# This workflow builds and tests the Javalin Shopping sample
# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-java-with-maven

name: Javalin Shopping sample

on:
  push:
    branches: [ "main" ]
  pull_request:
    branches: [ "**" ]
  workflow_dispatch:  # Allow manual triggering

jobs:
  detect-changes:
    name: Detect Changes
    runs-on: ubuntu-latest
    outputs:
      should_run: ${{ steps.changed.outputs.any_modified }}
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Detect changed files
        id: changed
        uses: tj-actions/changed-files@v46
        with:
          files: |
            ams-javalin-shopping/pom.xml
            ams-javalin-shopping/src/**
            .github/workflows/build_and_test_javalin.yml

  maven:
    name: Build and Test
    needs: detect-changes
    if: ${{ github.event_name == 'workflow_dispatch' || needs.detect-changes.outputs.should_run == 'true' }}
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Set up JDK 17
        uses: actions/setup-java@v4
        with:
          java-version: '17'
          distribution: 'temurin'
          cache: 'maven'
          cache-dependency-path: ams-javalin-shopping/pom.xml

      - name: Build and Test
        run: mvn clean test
        working-directory: ams-javalin-shopping

  # This job ensures the workflow passes when no relevant changes are detected
  # Required for PR status checks to pass when the sample hasn't changed
  no-changes:
    name: Build and Test
    needs: detect-changes
    if: ${{ github.event_name != 'workflow_dispatch' && needs.detect-changes.outputs.should_run != 'true' }}
    runs-on: ubuntu-latest
    steps:
      - name: No relevant changes detected
        run: echo "No relevant changes detected for ams-javalin-shopping. Skipping build and test."