From f9939e8c902f872884fc10d93973710cf5d6349a Mon Sep 17 00:00:00 2001
From: Leonard Lyubich <leonard@nspcc.ru>
Date: Wed, 10 Feb 2021 01:31:50 +0300
Subject: [PATCH] [#255] v2/object: Implement json.Marshaler/Unmarshaler on
 SearchFilter

Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
---
 v2/object/json.go      | 20 ++++++++++++++++++++
 v2/object/json_test.go | 12 ++++++++++++
 2 files changed, 32 insertions(+)

diff --git a/v2/object/json.go b/v2/object/json.go
index 940aa7c3..e2caede9 100644
--- a/v2/object/json.go
+++ b/v2/object/json.go
@@ -124,3 +124,23 @@ func (o *Object) UnmarshalJSON(data []byte) error {
 
 	return nil
 }
+
+func (f *SearchFilter) MarshalJSON() ([]byte, error) {
+	return protojson.MarshalOptions{
+		EmitUnpopulated: true,
+	}.Marshal(
+		SearchFilterToGRPCMessage(f),
+	)
+}
+
+func (f *SearchFilter) UnmarshalJSON(data []byte) error {
+	msg := new(object.SearchRequest_Body_Filter)
+
+	if err := protojson.Unmarshal(data, msg); err != nil {
+		return err
+	}
+
+	*f = *SearchFilterFromGRPCMessage(msg)
+
+	return nil
+}
diff --git a/v2/object/json_test.go b/v2/object/json_test.go
index ceefd96f..e8ad5d25 100644
--- a/v2/object/json_test.go
+++ b/v2/object/json_test.go
@@ -78,3 +78,15 @@ func TestObjectJSON(t *testing.T) {
 
 	require.Equal(t, o, o2)
 }
+
+func TestSearchFilterJSON(t *testing.T) {
+	f := generateFilter("key", "value")
+
+	data, err := f.MarshalJSON()
+	require.NoError(t, err)
+
+	f2 := new(object.SearchFilter)
+	require.NoError(t, f2.UnmarshalJSON(data))
+
+	require.Equal(t, f, f2)
+}