feat!: GetUUID returns a bool indicator if uuid is available

README.md

@@ -58,7 +58,19 @@ In other handlers you can access the UUID:
 
 ```golang
 func anotherHandler(w http.ResponseWriter, r *http.Request) {
-        fmt.Fprintf(w, "your uuid is: %s", logginghandler.GetUUID(r))
+    log := logginghandler.Logger(r)
+
+    uuid, ok := logginghandler.GetUUID(r)
+    if !ok {
+        log.Error().Err(err).Msg("could not find uuid")
+        w.WriteHeader(http.StatusInternalServerError)
+
+        return
+    }
+
+    fmt.Fprintf(w, "your uuid is: %s", uuid)
+
+    return
 }
 ```
 

logginghandler.go

@@ -12,13 +12,13 @@ import (
 )
 
 // GetUUID gets the requests UUID from a request.
-func GetUUID(r *http.Request) string {
+func GetUUID(r *http.Request) (string, bool) {
 	uuid, ok := hlog.IDFromRequest(r)
 	if !ok {
-		return ""
+		return "", false
 	}
 
-	return uuid.String()
+	return uuid.String(), true
 }
 
 // Logger returns a logger with the UUID set.