feat: manually mirror opencoze's code from bytedance

Change-Id: I09a73aadda978ad9511264a756b2ce51f5761adf

backend/domain/search/service/handler_resource.go

@@ -0,0 +1,88 @@
+/*
+ * Copyright 2025 coze-dev 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 service
+
+import (
+	"context"
+	"fmt"
+	"time"
+
+	"github.com/bytedance/sonic"
+
+	"github.com/coze-dev/coze-studio/backend/domain/search/entity"
+	"github.com/coze-dev/coze-studio/backend/infra/contract/es"
+	"github.com/coze-dev/coze-studio/backend/infra/contract/eventbus"
+	"github.com/coze-dev/coze-studio/backend/pkg/lang/conv"
+	"github.com/coze-dev/coze-studio/backend/pkg/logs"
+)
+
+const resourceIndexName = "coze_resource"
+
+type resourceHandlerImpl struct {
+	esClient es.Client
+}
+
+var defaultResourceHandler *resourceHandlerImpl // deprecate
+
+func NewResourceHandler(ctx context.Context, e es.Client) ConsumerHandler {
+	handler := &resourceHandlerImpl{
+		esClient: e,
+	}
+
+	return handler
+}
+
+func (s *resourceHandlerImpl) HandleMessage(ctx context.Context, msg *eventbus.Message) error {
+	ev := &entity.ResourceDomainEvent{}
+
+	logs.Infof("Resource Handler receive: %s", string(msg.Body))
+
+	err := sonic.Unmarshal(msg.Body, ev)
+	if err != nil {
+		return err
+	}
+
+	err = s.indexResources(ctx, ev)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func (s *resourceHandlerImpl) indexResources(ctx context.Context, ev *entity.ResourceDomainEvent) error {
+	if ev.Meta == nil {
+		ev.Meta = &entity.EventMeta{}
+	}
+
+	ev.Meta.ReceiveTimeMs = time.Now().UnixMilli()
+
+	return s.indexResource(ctx, ev.OpType, ev.Resource)
+}
+
+func (s *resourceHandlerImpl) indexResource(ctx context.Context, opType entity.OpType, r *entity.ResourceDocument) error {
+	switch opType {
+	case entity.Created:
+		return s.esClient.Create(ctx, resourceIndexName, conv.Int64ToStr(r.ResID), r)
+	case entity.Updated:
+		return s.esClient.Update(ctx, resourceIndexName, conv.Int64ToStr(r.ResID), r)
+	case entity.Deleted:
+		return s.esClient.Delete(ctx, resourceIndexName, conv.Int64ToStr(r.ResID))
+	}
+
+	return fmt.Errorf("unexpected op type: %v", opType)
+}