fix issues in core

core/analytics/application/use-cases/RecordPageViewUseCase.ts

@@ -31,17 +31,28 @@ export class RecordPageViewUseCase implements UseCase<RecordPageViewInput, void,
 
   async execute(input: RecordPageViewInput): Promise<Result<void, ApplicationErrorCode<RecordPageViewErrorCode, { message: string }>>> {
     try {
-      const pageView = PageView.create({
+      const props = {
         id: crypto.randomUUID(),
         entityType: input.entityType,
         entityId: input.entityId,
-        visitorId: input.visitorId,
         visitorType: input.visitorType,
         sessionId: input.sessionId,
-        referrer: input.referrer,
-        userAgent: input.userAgent,
-        country: input.country,
-      });
+      } as any;
+
+      if (input.visitorId !== undefined) {
+        props.visitorId = input.visitorId;
+      }
+      if (input.referrer !== undefined) {
+        props.referrer = input.referrer;
+      }
+      if (input.userAgent !== undefined) {
+        props.userAgent = input.userAgent;
+      }
+      if (input.country !== undefined) {
+        props.country = input.country;
+      }
+
+      const pageView = PageView.create(props);
 
       await this.pageViewRepository.save(pageView);