6v-simulator/.github/workflows/pr-preview.yml at main · DavidAllison/6v-simulator · GitHub

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name: PR Preview Deployment

on:
  pull_request:
    types: [opened, synchronize, reopened]
    paths:
      - 'client/**'
      - '.github/workflows/pr-preview.yml'

permissions:
  contents: read
  pull-requests: write
  issues: write

jobs:
  deploy-preview:
    runs-on: ubuntu-latest
    if: github.event.pull_request.head.repo.full_name == github.repository

    steps:
      - uses: actions/checkout@v4

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '20.x'
          cache: 'npm'
          cache-dependency-path: client/package-lock.json

      - name: Install dependencies
        working-directory: client
        run: npm ci

      - name: Build application
        working-directory: client
        run: npm run build

      - name: Deploy to S3 PR Preview
        env:
          AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
          AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
          AWS_REGION: us-east-1
        run: |
          PR_NUMBER=${{ github.event.pull_request.number }}
          aws s3 sync client/dist s3://6v-simulator-pr-previews/pr-${PR_NUMBER}/ --delete

      - name: Invalidate CloudFront
        env:
          AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
          AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
          AWS_REGION: us-east-1
        run: |
          PR_NUMBER=${{ github.event.pull_request.number }}
          aws cloudfront create-invalidation \
            --distribution-id E1DZ4HUUOSPRK5 \
            --paths "/pr-${PR_NUMBER}/*"

      - name: Comment PR with preview URL
        uses: actions/github-script@v7
        with:
          script: |
            const prNumber = context.payload.pull_request.number;
            const previewUrl = `https://pr-${prNumber}.dev.6v.allison.la`;

            const comment = `## 🚀 PR Preview Ready!

            **Preview URL:** ${previewUrl}
            **Commit:** ${context.sha.substring(0, 7)}

            This preview will be automatically updated with new commits.
            The preview will be removed when the PR is closed.`;

            // Find and update existing comment or create new one
            const { data: comments } = await github.rest.issues.listComments({
              owner: context.repo.owner,
              repo: context.repo.repo,
              issue_number: prNumber,
            });

            const botComment = comments.find(comment =>
              comment.user.type === 'Bot' &&
              comment.body.includes('PR Preview Ready')
            );

            if (botComment) {
              await github.rest.issues.updateComment({
                owner: context.repo.owner,
                repo: context.repo.repo,
                comment_id: botComment.id,
                body: comment
              });
            } else {
              await github.rest.issues.createComment({
                owner: context.repo.owner,
                repo: context.repo.repo,
                issue_number: prNumber,
                body: comment
              });
            }