pr-notification.yml

name: Notify Google Chat on New Issue

on:
  pull_request_target:
    branches: [ main ]
    types: [ opened ]

jobs:
  send-alert:
    runs-on: ubuntu-latest
    if: github.event.pull_request.draft == false
    steps:
      - name: Send message to Google Chat
        env:
          GOOGLE_CHAT_WEBHOOK: ${{ secrets.PR_NOTIFICATION }}
          PR_TITLE: ${{ github.event.pull_request.title }}
          PR_URL: ${{ github.event.pull_request.html_url }}
          PR_CREATOR: ${{ github.event.pull_request.user.login }}
        run: |
          set -e
          if [ -z "${GOOGLE_CHAT_WEBHOOK}" ]; then
            echo "::error::PR_NOTIFICATION secret is not set. Add the Google Chat webhook URL as repository secret PR_NOTIFICATION."
            exit 1
          fi
          MESSAGE=$'📌 *New GitHub PR*\n\n*Title:* '"${PR_TITLE}"$'\n*Author:* '"${PR_CREATOR}"$'\n\n🔗 '"${PR_URL}"
          PAYLOAD=$(jq -n --arg text "$MESSAGE" '{text: $text}') || {
            echo "::error::Failed to build JSON payload"
            exit 1
          }
          HTTP_CODE=$(curl -sS -w '%{http_code}' -o /tmp/chat-response.txt -X POST -H 'Content-Type: application/json' \
               -d "$PAYLOAD" "$GOOGLE_CHAT_WEBHOOK")
          if [ "$HTTP_CODE" -lt 200 ] || [ "$HTTP_CODE" -gt 299 ]; then
            echo "::error::Google Chat webhook returned HTTP ${HTTP_CODE}"
            cat /tmp/chat-response.txt
            exit 1
          fi
          echo "Notification sent successfully (HTTP ${HTTP_CODE})"