feat: bootstrap reusable GoOmni framework

examples/reference/handler/middleware.go

@@ -0,0 +1,31 @@
+package handler
+
+import (
+	"time"
+
+	"git.yuntuo.hk/k2safe/go-omni"
+	"git.yuntuo.hk/k2safe/go-omni/logx"
+)
+
+// RequestLog demonstrates business middleware using only the GoOmni API.
+func RequestLog(logger *logx.Logger) omni.Middleware {
+	return func(next omni.Handler) omni.Handler {
+		return func(ctx *omni.Context) error {
+			started := time.Now()
+			err := next(ctx)
+			attributes := []any{
+				"requestId", ctx.RequestID(),
+				"method", ctx.Request().Method,
+				"path", ctx.Request().URL.Path,
+				"duration", time.Since(started),
+			}
+			if err != nil {
+				attributes = append(attributes, "error", err)
+				logger.ErrorContext(ctx.Request().Context(), "request failed", attributes...)
+			} else {
+				logger.InfoContext(ctx.Request().Context(), "request completed", attributes...)
+			}
+			return err
+		}
+	}
+}