feat(connector): [Nuvei] add webhook support (#795)

Co-authored-by: Arjun Karthik <m.arjunkarthik@gmail.com>

crates/router/src/core/webhooks.rs

@@ -1,6 +1,8 @@
 pub mod transformers;
 pub mod utils;
 
+use std::collections::HashMap;
+
 use error_stack::{IntoReport, ResultExt};
 use masking::ExposeInterface;
 use router_env::{instrument, tracing};
@@ -318,10 +320,20 @@ pub async fn webhooks_core<W: api::OutgoingWebhookType>(
     .attach_printable("Failed construction of ConnectorData")?;
 
     let connector = connector.connector;
+    let query_params = Some(req.query_string().to_string());
+    let qp: HashMap<String, String> =
+        url::form_urlencoded::parse(query_params.unwrap_or_default().as_bytes())
+            .into_owned()
+            .collect();
+    let json = Encode::<HashMap<String, String>>::encode_to_string_of_json(&qp)
+        .change_context(errors::ApiErrorResponse::InternalServerError)
+        .attach_printable("There was an error in parsing the query params")?;
 
     let mut request_details = api::IncomingWebhookRequestDetails {
         method: req.method().clone(),
         headers: req.headers(),
+        query_params: req.query_string().to_string(),
+        query_params_json: json.as_bytes(),
         body: &body,
     };