Only add body if non nil

Author: abnegate

templates/swift/Sources/NotificationHandler.swift.twig

@@ -219,17 +219,28 @@ open class NotificationHandler {
             request.headers.add(name: key, value: value)
         }
 
-        let json = try JSONSerialization.data(withJSONObject: body as Any, options: [])
+        if (body != nil) {
+            guard let json = try? JSONSerialization.data(withJSONObject: body!, options: []) else {
+                return nil
+            }
 
-        request.body = .bytes(json)
+            request.body = .bytes(json)
+        }
 
-        let response = try await client!.http.execute(
+        guard let response = try? await client!.http.execute(
             request,
             timeout: .seconds(30)
-        )
+        ) else {
+            return nil
+        }
 
-        let data = try await response.body.collect(upTo: Int.max)
-        let dict = try JSONSerialization.jsonObject(with: data) as? [String: Any]
+        guard let data = try? await response.body.collect(upTo: Int.max) else {
+            return nil
+        }
+
+        guard let dict = try? JSONSerialization.jsonObject(with: data) as? [String: Any] else {
+            return nil
+        }
 
         return dict
     }