feat: add intercept log function

logger.go

@@ -2,6 +2,7 @@ package gosdk
 
 import (
 	"context"
+	"fmt"
 	"github.com/grpc-ecosystem/go-grpc-middleware/v2/interceptors/logging"
 	"go.opentelemetry.io/otel/trace"
 	"go.uber.org/zap"
@@ -17,6 +18,35 @@ func NewLogger() (*zap.Logger, error) {
 	return config.Build()
 }
 
+// InterceptorLogger adapts zap logger to interceptor logger.
+// This code is simple enough to be copied and not imported.
+func InterceptorLogger(l *zap.Logger) logging.Logger {
+	return logging.LoggerFunc(func(ctx context.Context, lvl logging.Level, msg string, fields ...any) {
+		f := make([]zap.Field, 0, len(fields)/2)
+		for i := 0; i < len(fields); i += 2 {
+			i := logging.Fields(fields).Iterator()
+			if i.Next() {
+				k, v := i.At()
+				f = append(f, zap.Any(k, v))
+			}
+		}
+		l = l.WithOptions(zap.AddCallerSkip(1)).With(f...)
+
+		switch lvl {
+		case logging.LevelDebug:
+			l.Debug(msg)
+		case logging.LevelInfo:
+			l.Info(msg)
+		case logging.LevelWarn:
+			l.Warn(msg)
+		case logging.LevelError:
+			l.Error(msg)
+		default:
+			panic(fmt.Sprintf("unknown level %v", lvl))
+		}
+	})
+}
+
 func LogWithTraceID(ctx context.Context) logging.Fields {
 	if span := trace.SpanContextFromContext(ctx); span.IsSampled() {
 		return logging.Fields{"traceID", span.TraceID().String()}