fix: support PascalCase properties in Ombi webhooks (#42)

server/routes/webhook.js

@@ -717,9 +717,12 @@ router.post('/ombi', webhookLimiter, (req, res) => {
     return res.status(401).json({ error: 'Unauthorized' });
   }
 
-  // Ombi uses notificationType instead of eventType
+  // Ombi uses notificationType instead of eventType. Support PascalCase for .NET apps
-  const { notificationType, requestId, requestedUser, applicationUrl } = req.body;
+  const notificationType = req.body.notificationType || req.body.NotificationType;
-  const eventType = notificationType || req.body.eventType;
+  const requestId = req.body.requestId || req.body.RequestId;
+  const applicationUrl = req.body.applicationUrl || req.body.ApplicationUrl;
+  
+  const eventType = notificationType || req.body.eventType || req.body.EventType;
   
   // Extract username from requestedUser (handles both object and string formats)
   const username = extractRequestedUser(req.body);
@@ -732,7 +735,7 @@ router.post('/ombi', webhookLimiter, (req, res) => {
   // Use applicationUrl as instance identifier for replay protection
   const instanceName = applicationUrl || 'ombi';
   // Use requestId + eventType + current time as replay key
-  const eventDate = req.body.requestedDate || new Date().toISOString();
+  const eventDate = req.body.requestedDate || req.body.RequestedDate || new Date().toISOString();
 
   if (isReplay(eventType, instanceName, `${requestId}-${eventDate}`)) {
     logToFile(`[Webhook] Ombi duplicate event ignored: ${eventType} requestId=${requestId}`);

server/utils/ombiHelpers.js

@@ -15,17 +15,19 @@
 function extractRequestedUser(request) {
   if (!request) return '';
   
+  const requestedUser = request.requestedUser || request.RequestedUser;
+  
   // Handle object format: OmbiStore.Entities.OmbiUser
-  if (request.requestedUser && typeof request.requestedUser === 'object') {
+  if (requestedUser && typeof requestedUser === 'object') {
     // Priority: alias > userAlias > userName > normalizedUserName > requestedByAlias
-    return request.requestedUser.alias || 
+    return requestedUser.alias || requestedUser.Alias ||
-           request.requestedUser.userAlias || 
+           requestedUser.userAlias || requestedUser.UserAlias ||
-           request.requestedUser.userName || 
+           requestedUser.userName || requestedUser.UserName ||
-           request.requestedUser.normalizedUserName || 
+           requestedUser.normalizedUserName || requestedUser.NormalizedUserName ||
-           request.requestedByAlias || '';
+           request.requestedByAlias || request.RequestedByAlias || '';
   }
   // Handle string format (fallback for compatibility)
-  return request.requestedUser || request.requestedByAlias || '';
+  return requestedUser || request.requestedByAlias || request.RequestedByAlias || '';
 }
 
 function filterRequestsByUser(requests, username, showAll) {

tests/integration/webhook.test.js

@@ -647,5 +647,32 @@ describe('POST /api/webhook/ombi', () => {
     expect(res2.status).toBe(200);
     expect(res2.body.duplicate).toBe(true);
   });
+
+  it('returns 200 { received: true } for a valid NewRequest event with PascalCase payload', async () => {
+    const app = makeApp();
+    
+    nock('https://ombi.test')
+      .get('/api/v1/Request/movie')
+      .reply(200, []);
+    nock('https://ombi.test')
+      .get('/api/v1/Request/tv')
+      .reply(200, []);
+
+    const payload = {
+      NotificationType: 'NewRequest',
+      RequestId: 126,
+      RequestedUser: { UserName: 'gordon_pascal' },
+      Title: 'Pascal Movie',
+      Type: 'Movie',
+      RequestStatus: 'Pending',
+      ApplicationUrl: 'https://ombi.test',
+      RequestedDate: '2026-05-23T20:33:00.000Z'
+    };
+
+    const res = await postOmbi(app, payload);
+    expect(res.status).toBe(200);
+    expect(res.body.received).toBe(true);
+    expect(res.body.duplicate).toBeUndefined();
+  });
 });