feat: manually mirror opencoze's code from bytedance

Change-Id: I09a73aadda978ad9511264a756b2ce51f5761adf

backend/infra/impl/es/es_impl.go

@@ -0,0 +1,46 @@
+/*
+ * 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 es
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/coze-dev/coze-studio/backend/infra/contract/es"
+)
+
+type (
+	Client          = es.Client
+	Types           = es.Types
+	BulkIndexer     = es.BulkIndexer
+	BulkIndexerItem = es.BulkIndexerItem
+	BoolQuery       = es.BoolQuery
+	Query           = es.Query
+	Response        = es.Response
+	Request         = es.Request
+)
+
+func New() (Client, error) {
+	v := os.Getenv("ES_VERSION")
+	if v == "v8" {
+		return newES8()
+	} else if v == "v7" {
+		return newES7()
+	}
+
+	return nil, fmt.Errorf("unsupported es version %s", v)
+}