Files
common/ragflow/client.go
T

148 lines
3.6 KiB
Go

package ragflow
import (
"context"
"net/http"
"net/url"
"strings"
"sync"
"time"
commonHttp "gitee.com/red-future---jilin-g/common/http"
"github.com/gogf/gf/v2/encoding/gjson"
"github.com/gogf/gf/v2/errors/gerror"
"github.com/gogf/gf/v2/frame/g"
"github.com/gogf/gf/v2/net/gclient"
)
var (
// globalClient 全局 RAGFlow 客户端(单例,延迟初始化)
globalClient *Client
clientOnce sync.Once
)
// initClient 延迟初始化客户端
func initClient() {
clientOnce.Do(func() {
ctx := context.Background()
// 读取配置
baseURL, apiKey := loadConfig(ctx)
// 如果配置不完整,跳过初始化
if baseURL == "" || apiKey == "" {
g.Log().Warning(ctx, "⚠️ RAGFlow 配置未找到,请在项目 config.yml 中添加 ragflow.base_url 和 ragflow.api_key")
return
}
globalClient = &Client{
BaseURL: strings.TrimSuffix(baseURL, "/"),
APIKey: apiKey,
HTTPClient: commonHttp.Httpclient,
}
g.Log().Infof(ctx, "✅ RAGFlow 客户端初始化成功: baseURL=%s", baseURL)
})
}
// loadConfig 从配置文件加载 RAGFlow 配置
func loadConfig(ctx context.Context) (baseURL, apiKey string) {
// 使用 GoFrame 全局配置(从项目的 config.yml 读取)
baseURL = g.Cfg().MustGet(ctx, "ragflow.base_url", "").String()
apiKey = g.Cfg().MustGet(ctx, "ragflow.api_key", "").String()
return
}
// GetGlobalClient 获取全局客户端(延迟初始化)
// 使用示例:client := ragflow.GetGlobalClient()
func GetGlobalClient() *Client {
initClient()
return globalClient
}
// Client RAGFlow API 客户端
type Client struct {
BaseURL string
APIKey string
HTTPClient *gclient.Client // HTTP 客户端
}
// CommonResponse 通用响应结构
type CommonResponse struct {
Code int `json:"code"`
Message string `json:"message"`
Data interface{} `json:"data,omitempty"`
}
// IsSuccess 检查响应是否成功
func (r *CommonResponse) IsSuccess() bool {
return r.Code == 0
}
// request 发送 HTTP 请求
func (c *Client) request(ctx context.Context, method, path string, body interface{}, result interface{}) (err error) {
fullURL := c.BaseURL + path
// 序列化请求体
var reqBody string
if body != nil {
jsonData, jsonErr := gjson.Encode(body)
if jsonErr != nil {
return gerror.Newf("marshal request body failed: %v", jsonErr)
}
reqBody = string(jsonData)
}
// 设置请求头和超时
// 注意:使用 Chain 模式,避免修改全局 Httpclient
client := c.HTTPClient.Timeout(180 * time.Second).Header(map[string]string{
"Authorization": "Bearer " + c.APIKey,
"Content-Type": "application/json",
})
// 发送请求
var resp *gclient.Response
switch method {
case "GET":
resp, err = client.Get(ctx, fullURL)
case "POST":
resp, err = client.Post(ctx, fullURL, reqBody)
case "PUT":
resp, err = client.Put(ctx, fullURL, reqBody)
case "DELETE":
resp, err = client.Delete(ctx, fullURL, reqBody)
default:
return gerror.Newf("unsupported method: %s", method)
}
if err != nil {
return gerror.Newf("request failed: %v", err)
}
defer resp.Close()
respBody := resp.ReadAll()
if resp.StatusCode != http.StatusOK {
return gerror.Newf("http status %d: %s", resp.StatusCode, string(respBody))
}
if err = gjson.DecodeTo(respBody, result); err != nil {
return gerror.Newf("unmarshal response failed: %v", err)
}
return
}
// buildQueryString 构建查询字符串
func buildQueryString(params map[string]interface{}) string {
if len(params) == 0 {
return ""
}
parts := make([]string, 0, len(params))
for k, v := range params {
parts = append(parts, url.QueryEscape(k)+"="+url.QueryEscape(g.NewVar(v).String()))
}
return strings.Join(parts, "&")
}