is-amazing/.github/workflows/check_pr.yml

name: Check JSON on PR
on:
  pull_request_target:
    types: [opened, synchronize]
    paths:
      - 'domains/**/*.json'
  
permissions:
  contents: read
  pull-requests: write
  issues: write
  
jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout source code
        uses: actions/checkout@v2
        with:
         ref: ${{ github.event.pull_request.head.sha }}
      
      - name: Install Dependencies
        run: npm install ajv-cli

      - name: Get list of changed domain files
        id: file_changes
        run: |
            git fetch origin ${{ github.event.pull_request.base.ref }}
            git diff --name-only FETCH_HEAD..${{ github.sha }} | { grep '^domains/.*\.json$' || true; } > changed_files.txt
            cat changed_files.txt


      - name: JSON Schema Validate
        run: |
          while read file; do
            npx ajv-cli validate -s .github/workflows/domain-schema.json -d $file
          done < changed_files.txt
        continue-on-error: true

      - name: Comment on PR if Invalid
        if: ${{ failure() }}
        uses: actions/github-script@v5
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            github.rest.issues.createComment({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              body: "❌ Your JSON file is invalid, please check the template again!"
            });
      
      - name: Comment on PR if Valid
        if: ${{ success() }}
        uses: actions/github-script@v5
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            github.rest.issues.createComment({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              body: "✅ Your JSON file is valid!"
            });

      - name: Fail Job
        if: ${{ failure() }}
        run: exit 1