fix:#36 fixed tests, naming, and removed old duplicated code

services/data-manager/service/fetch/v2/fetcher.go

@@ -195,6 +195,8 @@ func parseHTML(webpage string) (*html.Node, error) {
 	return doc, nil
 }
 
+// generateUUIDs generates a UUID for each event based on the event name, course and semester
+// the UUID is used to identify the event in the database
 func generateUUIDs(events []model.Event) []model.Event {
 	for i, event := range events {
 		// generate a hash value from the event name, course and semester