feat(logger): add logger option to all micro components (override DefaultLogger) closes #2556 (#2559)

* feat(logger): add logger option to all components

* fix: refactor api/rpc.go

* fix: refactor api/stream.go

* fix: api/options.go comment

* fix(logger): do not use logger.Helper internally

* fix(logger): fix comments

* fix(logger): use level.Enabled method

* fix: rename mlogger to log

* fix: run go fmt

* fix: log level

* fix: factories

Co-authored-by: Mohamed MHAMDI <mmhamdi@hubside.com>
Co-authored-by: Davincible <david.brouwer.99@gmail.com>

logger/default.go

@@ -135,7 +135,7 @@ func (l *defaultLogger) Log(level Level, v ...interface{}) {
 
 func (l *defaultLogger) Logf(level Level, format string, v ...interface{}) {
 	//	 TODO decide does we need to write message if log level not used?
-	if level < l.opts.Level {
+	if !l.opts.Level.Enabled(level) {
 		return
 	}
 

logger/helper.go

@@ -129,3 +129,10 @@ func (h *Helper) WithError(err error) *Helper {
 func (h *Helper) WithFields(fields map[string]interface{}) *Helper {
 	return &Helper{logger: h.logger.Fields(fields)}
 }
+
+func HelperOrDefault(h *Helper) *Helper {
+	if h == nil {
+		return DefaultHelper
+	}
+	return h
+}

logger/logger.go

@@ -4,6 +4,9 @@ package logger
 var (
 	// Default logger
 	DefaultLogger Logger = NewLogger()
+
+	// Default logger helper
+	DefaultHelper *Helper = NewHelper(DefaultLogger)
 )
 
 // Logger is a generic logging interface
@@ -41,3 +44,10 @@ func Logf(level Level, format string, v ...interface{}) {
 func String() string {
 	return DefaultLogger.String()
 }
+
+func LoggerOrDefault(l Logger) Logger {
+	if l == nil {
+		return DefaultLogger
+	}
+	return l
+}