[#224] Refactor logger tag configuration

Signed-off-by: Pavel Pogodaev <p.pogodaev@yadro.com>

cmd/http-gw/logger.go

@@ -40,7 +40,8 @@ type zapCoreTagFilterWrapper struct {
 }
 
 type TagFilterSettings interface {
-	LevelEnabled(tag string, lvl zapcore.Level) bool
+	LevelEnabled(tag string, tgtLevel zapcore.Level) bool
+	DefaultEnabled(lvl zapcore.Level) bool
 }
 
 func (c *zapCoreTagFilterWrapper) Enabled(level zapcore.Level) bool {
@@ -63,24 +64,26 @@ func (c *zapCoreTagFilterWrapper) Check(entry zapcore.Entry, checked *zapcore.Ch
 }
 
 func (c *zapCoreTagFilterWrapper) Write(entry zapcore.Entry, fields []zapcore.Field) error {
-	if c.shouldSkip(entry, fields) || c.shouldSkip(entry, c.extra) {
+	if c.shouldSkip(entry, fields, c.extra) {
 		return nil
 	}
 
 	return c.core.Write(entry, fields)
 }
 
-func (c *zapCoreTagFilterWrapper) shouldSkip(entry zapcore.Entry, fields []zap.Field) bool {
+func (c *zapCoreTagFilterWrapper) shouldSkip(entry zapcore.Entry, fields []zap.Field, extra []zap.Field) bool {
 	for _, field := range fields {
 		if field.Key == logs.TagFieldName && field.Type == zapcore.StringType {
-			if !c.settings.LevelEnabled(field.String, entry.Level) {
-				return true
-			}
-			break
+			return !c.settings.LevelEnabled(field.String, entry.Level)
+		}
+	}
+	for _, field := range extra {
+		if field.Key == logs.TagFieldName && field.Type == zapcore.StringType {
+			return !c.settings.LevelEnabled(field.String, entry.Level)
 		}
 	}
 
-	return false
+	return !c.settings.DefaultEnabled(entry.Level)
 }
 
 func (c *zapCoreTagFilterWrapper) Sync() error {