feat: manually mirror opencoze's code from bytedance

Change-Id: I09a73aadda978ad9511264a756b2ce51f5761adf

backend/infra/contract/es/model.go

@@ -0,0 +1,73 @@
+/*
+ * 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 (
+	"encoding/json"
+	"io"
+
+	"github.com/elastic/go-elasticsearch/v8/typedapi/types/enums/totalhitsrelation"
+)
+
+type BulkIndexerItem struct {
+	Index           string
+	Action          string
+	DocumentID      string
+	Routing         string
+	Version         *int64
+	VersionType     string
+	Body            io.ReadSeeker
+	RetryOnConflict *int
+}
+
+type Request struct {
+	Size        *int
+	Query       *Query
+	MinScore    *float64
+	Sort        []SortFiled
+	SearchAfter []any
+	From        *int
+}
+
+type SortFiled struct {
+	Field string
+	Asc   bool
+}
+
+type Response struct {
+	Hits     HitsMetadata `json:"hits"`
+	MaxScore *float64     `json:"max_score,omitempty"`
+}
+
+type HitsMetadata struct {
+	Hits     []Hit    `json:"hits"`
+	MaxScore *float64 `json:"max_score,omitempty"`
+	// Total Total hit count information, present only if `track_total_hits` wasn't
+	// `false` in the search request.
+	Total *TotalHits `json:"total,omitempty"`
+}
+
+type Hit struct {
+	Id_     *string         `json:"_id,omitempty"`
+	Score_  *float64        `json:"_score,omitempty"`
+	Source_ json.RawMessage `json:"_source,omitempty"`
+}
+
+type TotalHits struct {
+	Relation totalhitsrelation.TotalHitsRelation `json:"relation"`
+	Value    int64                               `json:"value"`
+}