[PM-3226] Adding session to ReferenceEventRequest (#6114)

* Adding session to ReferenceEventRequest

* Added comment to regex

apps/web/src/app/auth/trial-initiation/trial-initiation.component.ts

@@ -94,6 +94,13 @@ export class TrialInitiationComponent implements OnInit, OnDestroy {
 
     if (this.referenceData.id === "") {
       this.referenceData.id = null;
+    } else {
+      // Matches "_ga_QBRN562QQQ=value1.value2.session" and captures values and session.
+      const regex = /_ga_QBRN562QQQ=([^.]+)\.([^.]+)\.(\d+)/;
+      const match = document.cookie.match(regex);
+      if (match) {
+        this.referenceData.session = match[3];
+      }
     }
   }
 

libs/common/src/models/request/reference-event.request.ts

@@ -1,5 +1,6 @@
 export class ReferenceEventRequest {
   id: string;
+  session: string;
   layout: string;
   flow: string;
 }