Extract special observe value to constant

Signed-off-by: dusanb94 <dusan.borovcanin@mainflux.com>
absmach · Mar 30, 2022 · f47413a · f47413a
1 parent 51904b9
commit f47413a
Showing 1 changed file with 4 additions and 3 deletions.
diff --git a/coap/api/transport.go b/coap/api/transport.go
@@ -27,8 +27,9 @@ import (
 )
 
 const (
-	protocol  = "coap"
-	authQuery = "auth"
+	protocol     = "coap"
+	authQuery    = "auth"
+	startObserve = 0 // observe option value that indicates start of observation
 )
 
 var channelPartRegExp = regexp.MustCompile(`^/channels/([\w\-]+)/messages(/[^?]*)?(\?.*)?$`)
@@ -124,7 +125,7 @@ func handleGet(m *mux.Message, c mux.Client, msg messaging.Message, key string)
 		logger.Warn(fmt.Sprintf("Error reading observe option: %s", err))
 		return errBadOptions
 	}
-	if obs == 0 {
+	if obs == startObserve {
 		c := coap.NewClient(c, m.Token, logger)
 		return service.Subscribe(context.Background(), key, msg.Channel, msg.Subtopic, c)
 	}