fix: unify the auth data handle to the decode method

src/pkg/p2p/preheat/instance/manager.go

@@ -16,7 +16,6 @@ package instance
 
 import (
 	"context"
-	"encoding/json"
 
 	"github.com/goharbor/harbor/src/lib/q"
 	dao "github.com/goharbor/harbor/src/pkg/p2p/preheat/dao/instance"
@@ -119,19 +118,26 @@ func (dm *manager) Get(ctx context.Context, id int64) (*provider.Instance, error
 	if err != nil {
 		return nil, err
 	}
-	// mapping auth data to auth info.
-	if len(ins.AuthData) > 0 {
-		if err := json.Unmarshal([]byte(ins.AuthData), &ins.AuthInfo); err != nil {
-			return nil, err
-		}
+
+	if err := ins.Decode(); err != nil {
+		return nil, err
 	}
 
 	return ins, nil
 }
 
 // Get implements @Manager.GetByName
 func (dm *manager) GetByName(ctx context.Context, name string) (*provider.Instance, error) {
-	return dm.dao.GetByName(ctx, name)
+	ins, err := dm.dao.GetByName(ctx, name)
+	if err != nil {
+		return nil, err
+	}
+
+	if err := ins.Decode(); err != nil {
+		return nil, err
+	}
+
+	return ins, nil
 }
 
 // Count implements @Manager.Count
@@ -141,5 +147,16 @@ func (dm *manager) Count(ctx context.Context, query *q.Query) (int64, error) {
 
 // List implements @Manager.List
 func (dm *manager) List(ctx context.Context, query *q.Query) ([]*provider.Instance, error) {
-	return dm.dao.List(ctx, query)
+	inss, err := dm.dao.List(ctx, query)
+	if err != nil {
+		return nil, err
+	}
+
+	for i := range inss {
+		if err := inss[i].Decode(); err != nil {
+			return nil, err
+		}
+	}
+
+	return inss, nil
 }

src/pkg/p2p/preheat/models/provider/instance.go

@@ -82,6 +82,33 @@ func (ins *Instance) ToJSON() (string, error) {
 	return string(data), nil
 }
 
+// Decode decodes the instance.
+func (ins *Instance) Decode() error {
+	// decode the auth data.
+	authInfo, err := decodeAuthData(ins.AuthData)
+	if err != nil {
+		return err
+	}
+
+	if len(authInfo) > 0 {
+		ins.AuthInfo = authInfo
+	}
+
+	return nil
+}
+
+// decodeAuthData decodes the auth data.
+func decodeAuthData(data string) (map[string]string, error) {
+	authInfo := make(map[string]string)
+	if len(data) > 0 {
+		if err := json.Unmarshal([]byte(data), &authInfo); err != nil {
+			return nil, errors.Wrap(err, "decode auth data error")
+		}
+	}
+
+	return authInfo, nil
+}
+
 // TableName ...
 func (ins *Instance) TableName() string {
 	return "p2p_preheat_instance"

src/pkg/p2p/preheat/models/provider/instance_test.go

@@ -0,0 +1,139 @@
+// Copyright Project Harbor Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package provider
+
+import (
+	"encoding/json"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestInstance_FromJSON(t *testing.T) {
+	tests := []struct {
+		name    string
+		json    string
+		wantErr bool
+	}{
+		{
+			name:    "Empty JSON",
+			json:    "",
+			wantErr: true,
+		},
+		{
+			name:    "Invalid JSON",
+			json:    "{invalid}",
+			wantErr: true,
+		},
+		{
+			name: "Valid JSON",
+			json: `{
+				"id": 1,
+				"name": "test-instance",
+				"description": "test description",
+				"vendor": "test-vendor",
+				"endpoint": "http://test-endpoint",
+				"auth_mode": "basic",
+				"auth_info": {"username": "test", "password": "test123"},
+				"enabled": true,
+				"default": false,
+				"insecure": false,
+				"setup_timestamp": 1234567890
+			}`,
+			wantErr: false,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			ins := &Instance{}
+			err := ins.FromJSON(tt.json)
+			if tt.wantErr {
+				assert.Error(t, err)
+			} else {
+				assert.NoError(t, err)
+				assert.Equal(t, int64(1), ins.ID)
+				assert.Equal(t, "test-instance", ins.Name)
+			}
+		})
+	}
+}
+
+func TestInstance_ToJSON(t *testing.T) {
+	ins := &Instance{
+		ID:          1,
+		Name:        "test-instance",
+		Description: "test description",
+		Vendor:      "test-vendor",
+		Endpoint:    "http://test-endpoint",
+		AuthMode:    "basic",
+		AuthInfo:    map[string]string{"username": "test", "password": "test123"},
+		Enabled:     true,
+		Default:     false,
+		Insecure:    false,
+	}
+
+	jsonStr, err := ins.ToJSON()
+	assert.NoError(t, err)
+
+	// Verify the JSON can be decoded back
+	var decoded Instance
+	err = json.Unmarshal([]byte(jsonStr), &decoded)
+	assert.NoError(t, err)
+	assert.Equal(t, ins.ID, decoded.ID)
+	assert.Equal(t, ins.Name, decoded.Name)
+	assert.Equal(t, ins.AuthInfo, decoded.AuthInfo)
+}
+
+func TestInstance_Decode(t *testing.T) {
+	tests := []struct {
+		name     string
+		authData string
+		wantErr  bool
+	}{
+		{
+			name:     "Empty auth data",
+			authData: "",
+			wantErr:  false,
+		},
+		{
+			name:     "Invalid auth data",
+			authData: "{invalid}",
+			wantErr:  true,
+		},
+		{
+			name:     "Valid auth data",
+			authData: `{"username": "test", "password": "test123"}`,
+			wantErr:  false,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			ins := &Instance{
+				AuthData: tt.authData,
+			}
+			err := ins.Decode()
+			if tt.wantErr {
+				assert.Error(t, err)
+			} else {
+				assert.NoError(t, err)
+				if tt.authData != "" {
+					assert.NotEmpty(t, ins.AuthInfo)
+				}
+			}
+		})
+	}
+}