rag.go•2.33 kB
// Copyright (c) 2024 Baidu, Inc. All Rights Reserved.
//
// 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 appbuilder
import (
"bufio"
"bytes"
"encoding/json"
"errors"
"fmt"
"net/http"
"time"
)
func NewRAG(appID string, config *SDKConfig) (*RAG, error) {
if len(appID) == 0 {
return nil, errors.New("appID is empty")
}
if config == nil {
return nil, errors.New("invalid config")
}
client := config.HTTPClient
if client == nil {
client = &http.Client{Timeout: 500 * time.Second}
}
return &RAG{appID: appID, sdkConfig: config, client: client}, nil
}
type RAG struct {
appID string
sdkConfig *SDKConfig
client HTTPClient
}
func (t *RAG) Run(conversationID string, query string, stream bool) (RAGIterator, error) {
request := http.Request{}
header := t.sdkConfig.AuthHeader()
serviceURL, err := t.sdkConfig.ServiceURL("/api/v1/ai_engine/agi_platform/v1/instance/integrated")
if err != nil {
return nil, err
}
request.URL = serviceURL
request.Method = "POST"
header.Set("Content-Type", "application/json")
request.Header = header
req := map[string]string{"conversation_id": conversationID,
"response_mode": "blocking",
"query": query,
"app_id": t.appID,
}
if stream {
req["response_mode"] = "streaming"
}
data, _ := json.Marshal(req)
request.Body = NopCloser(bytes.NewReader(data))
t.sdkConfig.BuildCurlCommand(&request)
resp, err := t.client.Do(&request)
if err != nil {
return nil, err
}
requestID, err := checkHTTPResponse(resp)
if err != nil {
return nil, fmt.Errorf("requestID=%s, err=%v", requestID, err)
}
r := NewSSEReader(1024*1024, bufio.NewReader(resp.Body))
if stream {
return &RAGStreamIterator{requestID: requestID, r: r, body: resp.Body}, nil
}
return &RAGOnceIterator{body: resp.Body, requestID: requestID}, nil
}