From 29bdb885aad58f72570600ea2b9996746bd94377 Mon Sep 17 00:00:00 2001
From: Aleksey Savchuk <a.savchuk@yadro.com>
Date: Mon, 16 Sep 2024 14:59:30 +0300
Subject: [PATCH] [#271] object: Add `UserAttributes` method

Signed-off-by: Aleksey Savchuk <a.savchuk@yadro.com>
---
 object/object.go      | 23 +++++++++++++++++++++++
 object/object_test.go | 35 +++++++++++++++++++++++++++++++++++
 2 files changed, 58 insertions(+)

diff --git a/object/object.go b/object/object.go
index af16128..472e6fd 100644
--- a/object/object.go
+++ b/object/object.go
@@ -3,7 +3,10 @@ package object
 import (
 	"errors"
 	"fmt"
+	"slices"
+	"strings"
 
+	"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/container"
 	"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/object"
 	"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/refs"
 	v2session "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/session"
@@ -312,6 +315,26 @@ func (o *Object) Attributes() []Attribute {
 	return res
 }
 
+// UserAttributes returns object user attributes.
+func (o *Object) UserAttributes() []Attribute {
+	attrs := (*object.Object)(o).
+		GetHeader().
+		GetAttributes()
+
+	res := make([]Attribute, 0, len(attrs))
+
+	for _, attr := range attrs {
+		key := attr.GetKey()
+
+		if !strings.HasPrefix(key, container.SysAttributePrefix) &&
+			!strings.HasPrefix(key, container.SysAttributePrefixNeoFS) {
+			res = append(res, *NewAttributeFromV2(&attr))
+		}
+	}
+
+	return slices.Clip(res)
+}
+
 // SetAttributes sets object attributes.
 func (o *Object) SetAttributes(v ...Attribute) {
 	attrs := make([]object.Attribute, len(v))
diff --git a/object/object_test.go b/object/object_test.go
index 5e42352..f7cdc8b 100644
--- a/object/object_test.go
+++ b/object/object_test.go
@@ -3,9 +3,12 @@ package object_test
 import (
 	"testing"
 
+	v2container "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/container"
 	cidtest "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id/test"
 	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object"
+	objecttest "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object/test"
 	usertest "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/user/test"
+	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 )
 
@@ -24,3 +27,35 @@ func TestInitCreation(t *testing.T) {
 	require.Equal(t, cnr, cID)
 	require.Equal(t, own, o.OwnerID())
 }
+
+func Test_Attributes(t *testing.T) {
+	obj := objecttest.Object()
+
+	var (
+		attr     *object.Attribute
+		sysAttrs []object.Attribute
+	)
+
+	attr = object.NewAttribute()
+	attr.SetKey(v2container.SysAttributePrefix + "key")
+	attr.SetValue("value")
+	sysAttrs = append(sysAttrs, *attr)
+
+	attr = object.NewAttribute()
+	attr.SetKey(v2container.SysAttributePrefixNeoFS + "key")
+	attr.SetValue("value")
+	sysAttrs = append(sysAttrs, *attr)
+
+	userAttrs := obj.Attributes()
+	obj.SetAttributes(append(userAttrs, sysAttrs...)...)
+
+	t.Run("get attributes", func(t *testing.T) {
+		attrs := obj.Attributes()
+		assert.ElementsMatch(t, attrs, append(userAttrs, sysAttrs...))
+	})
+
+	t.Run("get user attributes", func(t *testing.T) {
+		attrs := obj.UserAttributes()
+		assert.ElementsMatch(t, attrs, userAttrs)
+	})
+}