FDN-4209 Update pr-validator workflow (#47)

Author: jlogeart

.github/workflows/pr-validator.yml

@@ -0,0 +1,36 @@
+name: "PR Title and Description Check"
+on:
+  pull_request:
+    types: [opened, edited, synchronize]
+
+jobs:
+  check-title-and-description:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Check PR title and description
+      uses: actions/github-script@v4
+      with:
+        github-token: ${{ secrets.GITHUB_TOKEN }}
+        script: |
+          const payload = context.payload;
+          const prTitle = payload.pull_request.title;
+
+          // The pattern for JIRA ticket format
+          // Must be at the beginning of the PR title
+          // Prefix must be at least 3 uppercase letters
+          // Excludes tickets with only zeros after the prefix (e.g., XXX-000, XXX-0000)
+          // Number must be 3 to 6 digits
+          const jiraPattern = /^[A-Z]{3,}-(?!0+\b)\d{3,6}\b/;
+
+          // Check PR title
+          const hasJiraTitle = jiraPattern.test(prTitle);
+          console.log(`PR title: ${hasJiraTitle ? 'Valid' : 'Invalid'}`);
+
+          if (hasJiraTitle) {
+            console.log('PR title format is correct.');
+          } else {
+            const errorMessage = 'The PR title must start with a valid JIRA ticket with 3-6 digits (e.g., ABC-123, DATAPLATFORM-12345). The ticket must be at the start, use at least 3 uppercase letters, and the number must not be all zeros.';
+            console.log(errorMessage);
+
+            core.setFailed(errorMessage);
+          }