[FEATURE]: Comment on PRs with webhook URL for feature branch (#903)

* [FEATURE]: Add commenting to PR

* [FEATURE]: use correct cdk file path

* [FEATURE]: ADd token

* [FEATURE]: Log stuff for debugging :S

* [FEATURE]: Add try catch and conditional for commenting

* [FEATURE]: Get cwd

* [FEATURE]: Add env for branch name

* [FEATURE]: Use path.join

* [FEATURE]: Remove bad log, i hate plain js

Author: branberry

.github/scripts/webhook-pr-comment.js

@@ -0,0 +1,14 @@
+const fs = require('fs');
+const path = require('path');
+module.exports = () => {
+  try {
+    const outputsFile = fs.readFileSync('cdk-infra/outputs.json').toString();
+    const outputs = JSON.parse(outputsFile);
+
+    const webhook = Object.values(outputs[`auto-builder-stack-enhancedApp-stg-${process.env.GIT_BRANCH}-webhooks`])[0];
+    return webhook;
+  } catch (error) {
+    console.log('Error occurred when retrieving Webhook URL', error);
+    return '';
+  }
+};

.github/workflows/deploy-feature-branch.yml

@@ -5,12 +5,11 @@ on:
     types:
       - opened
       - reopened
-
 name: Initial Feature Branch Deploy
 jobs: 
   deploy:
+    permissions: write-all
     runs-on: ubuntu-latest
-    
     steps:
       - uses: actions/checkout@v2
       - uses: actions/setup-node@v1
@@ -28,5 +27,18 @@ jobs:
           cd cdk-infra/
           npm ci
           npm run deploy:feature -- -c env=stg -c customFeatureName=enhancedApp-stg-${{github.head_ref}} --outputs-file outputs.json
-      - name: Display resource URLs
-        run: cat cdk-infra/outputs.json
+      - name: Get Webhook URL 
+        uses: actions/github-script@v6
+        id: webhook
+        env: 
+          GIT_BRANCH: ${{github.head_ref}}
+        with:
+          script: |
+            const script = require('./.github/scripts/webhook-pr-comment.js');
+            return script()
+          result-encoding: string
+      - name: Comment on PR
+        if: steps.webhook.outputs.result != ''
+        run: gh pr comment ${{github.event.number}} --body "The URL for your feature branch webhook is ${{steps.webhook.outputs.result}}"
+        env: 
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}