ci: add campsite bot

.github/workflows/pr-alerts-campsite.yml

@@ -0,0 +1,53 @@
+name: Campsite PR Alerts
+
+on:
+  pull_request:
+    types: [opened, closed, merged, ready_for_review, reopened]
+
+jobs:
+  post_to_campsite:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v2
+        with:
+          node-version: '20'
+
+      - name: Post to Campsite
+        id: post_to_campsite
+        run: |
+          if [[ "${{ github.event.pull_request.draft }}" == "true" ]]; then
+            STATUS_EMOJI="⚪"
+          elif [[ "${{ github.event.action }}" == "opened" || "${{ github.event.action }}" == "reopened" || "${{ github.event.action }}" == "ready_for_review" ]]; then
+            STATUS_EMOJI="🟢"
+          elif [[ "${{ github.event.action }}" == "closed" && "${{ github.event.pull_request.merged }}" == "true" ]]; then
+            STATUS_EMOJI="🟣"
+          elif [[ "${{ github.event.action }}" == "closed" ]]; then
+            STATUS_EMOJI="🔴"
+          fi
+
+          ACTION=${{ github.event.action }}
+          if [[ "${ACTION}" == "ready_for_review" ]]; then
+            ACTION="ready for review"
+          elif [[ "${ACTION}" == "reopened" ]]; then
+            ACTION="reopened"
+          elif [[ "${ACTION}" == "closed" && "${{ github.event.pull_request.merged }}" == "true" ]]; then
+            ACTION="merged"
+          fi
+
+          ESCAPED_TITLE=$(echo "${{ github.event.pull_request.title }}" | jq -Rr @json)
+
+          CONTENT="${STATUS_EMOJI} Pull request ${ACTION} by ${{ github.event.pull_request.user.login }}: [#${{ github.event.pull_request.number }} ${ESCAPED_TITLE}](${{ github.event.pull_request.html_url }})"
+
+          echo "content=${CONTENT}" >> $GITHUB_OUTPUT
+      - name: Create Campsite message
+        uses: campsite/campsite-github-action@v1
+        with:
+          api_key: ${{ secrets.CAMPSITE_API_KEY }}
+          action_type: create_message
+          thread_id: ${{ secrets.CAMPSITE_PR_ALERTS_THREAD_ID }}
+          content: ${{ steps.post_to_campsite.outputs.content }}